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LCD TVchassis FL9.2
A91H2UH/A91H5UF/A91H9UF091109
IMPORTANT SAFETY NOTICE
Proper service and repair is important to the safe, reliable operation of all P&F Equipment. The service procedures recommended by P&F and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.
It is important to note that this service manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service methods may damage the equipment. It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. P&F could not possibly know, evaluate and advice the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way. Consequently, P&F has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not recommended by P&F must first use all precautions thoroughly so that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected.
The LCD panel is manufactured to provide many years of useful life. Occasionally a few non active pixels may appear as a tiny spec of color. This is not to be considered a defect in the LCD screen.
Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
Safety Precautions for LCD TV Circuit1. Before returning an instrument to the
customer, always make a safety check of the entire instrument, including, but not limited to, the following items:
a. Be sure that no built-in protective devices are defective and have been defeated during servicing. (1) Protective shields are provided on this chassis to protect both the technician and the customer. Correctly replace all missing protective shields, including any removed for servicing convenience. (2) When reinstalling the chassis and/or other assembly in the cabinet, be sure to put back in place all protective devices, including but not limited to, nonmetallic control knobs, insulating fishpapers, adjustment and compartment covers/shields, and isolation resistor/capacitor networks. Do not operate this instrument or permit it to be operated without all protective devices correctly installed and functioning. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damage.
b. Be sure that there are no cabinet openings through which an adult or child might be able to insert their fingers and contact a hazardous voltage. Such openings include, but are not limited to, (1) spacing between the Liquid Crystal Panel and the cabinet mask, (2) excessively wide cabinet ventilation slots, and (3) an improperly fitted and/or incorrectly secured cabinet back cover.
c. Antenna Cold Check - With the instrument AC plug removed from any AC source, connect an electrical jumper across the two AC plug prongs. Place the instrument AC switch in the on position. Connect one lead of an ohmmeter to the AC plug prongs tied together and touch the other ohmmeter lead in turn to each tuner antenna input exposed terminal screw and, if applicable, to the coaxial connector. If the measured resistance is less than 1.0 megohm or greater than 5.2 megohm, an abnormality exists that must be corrected before the instrument is returned to the customer. Repeat this test with the instrument AC switch in the off position.
d. Leakage Current Hot Check - With the instrument completely reassembled, plug the AC line cord directly into a 120 V AC outlet. (Do not use an isolation transformer during this test.) Use a leakage current tester or a metering system that complies with American National Standards Institute (ANSI) C101.1 Leakage Current for Appliances and Underwriters Laboratories (UL) 1410, (50.7). With the instrument AC switch first in the on position and then in the off position, measure from a known earth ground (metal water pipe, conduit, etc.) to all exposed metal parts of the instrument (antennas, handle brackets, metal cabinet, screw heads, metallic overlays, control shafts, etc.), especially any exposed metal parts that offer an electrical return path to the chassis. Any current measured must not exceed 0.5 milli-ampere. Reverse the instrument power cord plug in the outlet and repeat the test.
ANY MEASUREMENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE INSTRUMENT TO THE CUSTOMER OR BEFORE CONNECTING THE ANTENNA OR ACCESSORIES.
2. Read and comply with all caution and safety-related notes on or inside the receiver cabinet, on the receiver chassis, or on the Liquid Crystal Panel.
ALSO TEST WITHPLUG REVERSEDUSING ACADAPTER PLUGAS REQUIRED
TEST ALL EXPOSEDMETAL SURFACES
READING SHOULD NOT BE ABOVE 0.5 mA
EARTHGROUND
_
DEVICELEAKAGECURRENT
TESTER
+BEINGTESTED
2-2 LTVN_ISP
3. Design Alteration Warning - Do not alter or add to the mechanical or electrical design of this TV receiver. Design alterations and additions, including, but not limited to circuit modifications and the addition of items such as auxiliary audio and/or video output connections, might alter the safety characteristics of this receiver and create a hazard to the user. Any design alterations or additions will void the manufacturer's warranty and may make you, the servicer, responsible for personal injury or property damage resulting therefrom.
4. Hot Chassis Warning -
a. Some TV receiver chassis are electrically connected directly to one conductor of the AC power cord and maybe safety-serviced without an isolation transformer only if the AC power plug is inserted so that the chassis is connected to the ground side of the AC power source. To confirm that the AC power plug is inserted correctly, with an AC voltmeter, measure between the chassis and a known earth ground. If a voltage reading in excess of 1.0 V is obtained, remove and reinsert the AC power plug in the opposite polarity and again measure the voltage potential between the chassis and a known earth ground.
b. Some TV receiver chassis normally have 85V AC(RMS) between chassis and earth ground regardless of the AC plug polarity. This chassis can be safety-serviced only with an isolation transformer inserted in the power line between the receiver and the AC power source, for both personnel and test equipment protection.
c. Some TV receiver chassis have a secondary ground system in addition to the main chassis ground. This secondary ground system is not isolated from the AC power line. The two ground systems are electrically separated by insulation material that must not be defeated or altered.
5. Observe original lead dress. Take extra care to assure correct lead dress in the following areas: a. near sharp edges, b. near thermally hot parts-be sure that leads and components do not touch thermally hot parts, c. the AC supply, d. high voltage, and, e. antenna wiring. Always inspect in all areas for pinched, out of place, or frayed wiring. Check AC power cord for damage.
6. Components, parts, and/or wiring that appear to have overheated or are otherwise damaged should be replaced with components, parts, or wiring that meet original specifications. Additionally, determine the cause of overheating and/or damage and, if necessary, take corrective action to remove any potential safety hazard.
7. Product Safety Notice - Some electrical and mechanical parts have special safety-related characteristics which are often not evident from visual inspection, nor can the protection they give necessarily be obtained by replacing them with components rated for higher voltage, wattage, etc. Parts that have special safety characteristics are identified by a # on schematics and in parts lists. Use of a substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock, fire, and/or other hazards. The product's safety is under review continuously and new instructions are issued whenever appropriate. Prior to shipment from the factory, our products are strictly inspected to confirm they comply with the recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
2-3 LTVN_ISP
Precautions during ServicingA. Parts identified by the # symbol are critical for
safety.Replace only with part number specified.
B. In addition to safety, other parts and assemblies are specified for conformance with regulations applying to spurious radiation. These must also be replaced only with specified replacements.Examples: RF converters, RF cables, noise blocking capacitors, and noise blocking filters, etc.
C. Use specified internal wiring. Note especially:
1) Wires covered with PVC tubing
2) Double insulated wires
3) High voltage leads
D. Use specified insulating materials for hazardous live parts. Note especially:
1) Insulation Tape
2) PVC tubing
3) Spacers
4) Insulators for transistors.
E. When replacing AC primary side components (transformers, power cord, etc.), wrap ends of wires securely about the terminals before soldering.
F. Observe that the wires do not contact heat producing parts (heat sinks, oxide metal film resistors, fusible resistors, etc.)
G. Check that replaced wires do not contact sharp edged or pointed parts.
H. When a power cord has been replaced, check that 5~6 kg of force in any direction will not loosen it.
I. Also check areas surrounding repaired locations.
J. Use care that foreign objects (screws, solder droplets, etc.) do not remain inside the set.
K. When connecting or disconnecting the internal connectors, first, disconnect the AC plug from the AC supply outlet.
L. When installing parts or assembling the cabinet parts, be sure to use the proper screws and tighten certainly.
2-4 LTVN_ISP
Safety Check after ServicingExamine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards.
1. Clearance Distance
When replacing primary circuit components, confirm specified clearance distance (d) and (d') between soldered terminals, and between terminals and surrounding metallic parts. (See Fig. 1)
Table 1: Ratings for selected area
Note: This table is unofficial and for reference only. Be sure to confirm the precise values.
2. Leakage Current Test
Confirm the specified (or lower) leakage current between B (earth ground, power cord plug prongs) and externally exposed accessible parts (RF terminals, antenna terminals, video and audio input and output terminals, microphone jacks, earphone jacks, etc.) is lower than or equal to the specified value in the table below.
Measuring Method: (Power ON)
Insert load Z between B (earth ground, power cord plug prongs) and exposed accessible parts. Use an AC voltmeter to measure across both terminals of load Z. See Fig. 2 and following table.
Table 2: Leakage current ratings for selected areas
Note: This table is unofficial and for reference only. Be sure to confirm the precise values.
AC Line Voltage Region Clearance Distance (d), (d’)
110 to 130 V U.S.A. or Canada
≥ 3.2 mm (0.126 inches)
AC Line Voltage Region Load Z Leakage Current (i) Earth Ground (B) to:
110 to 130 V U.S.A. or Canada
0.15 µF CAP. & 1.5 kΩ RES. Connected in parallel i ≤ 0.5 mA rms Exposed accessible
parts
Chassis or Secondary Conductor
Primary Circuit
Fig. 1
d' d
AC Voltmeter (High Impedance)
Exposed Accessible Part
B Earth Ground Power Cord Plug Prongs
Z
Fig. 2
3-1 TVN_SN
STANDARD NOTES FOR SERVICING
Circuit Board Indications1. The output pin of the 3 pin Regulator ICs is
indicated as shown.
2. For other ICs, pin 1 and every fifth pin are indicated as shown.
3. The 1st pin of every male connector is indicated as shown.
Pb (Lead) Free SolderPb free mark will be found on PCBs which use Pb free solder. (Refer to figure.) For PCBs with Pb free mark, be sure to use Pb free solder. For PCBs without Pb free mark, use standard solder.
How to Remove / Install Flat Pack-IC
1. Removal
With Hot-Air Flat Pack-IC Desoldering Machine:
1. Prepare the hot-air flat pack-IC desoldering machine, then apply hot air to the Flat Pack-IC (about 5 to 6 seconds). (Fig. S-1-1)
2. Remove the flat pack-IC with tweezers while applying the hot air.
3. Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6)
4. Release the flat pack-IC from the CBA using tweezers. (Fig. S-1-6)
CAUTION:
1. The Flat Pack-IC shape may differ by models. Use an appropriate hot-air flat pack-IC desoldering machine, whose shape matches that of the Flat Pack-IC.
2. Do not supply hot air to the chip parts around the flat pack-IC for over 6 seconds because damage to the chip parts may occur. Put masking tape around the flat pack-IC to protect other parts from damage. (Fig. S-1-2)
Top View
Out In
Bottom ViewInput
5
10
Pin 1
Pin 1
Pb free mark
Fig. S-1-1
3-2 TVN_SN
3. The flat pack-IC on the CBA is affixed with glue, so be careful not to break or damage the foil of each pin or the solder lands under the IC when removing it.
With Soldering Iron:
1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily. (Fig. S-1-3)
2. Lift each lead of the flat pack-IC upward one by one, using a sharp pin or wire to which solder will not adhere (iron wire). When heating the pins, use a fine tip soldering iron or a hot air desoldering machine. (Fig. S-1-4)
3. Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6)
4. Release the flat pack-IC from the CBA using tweezers. (Fig. S-1-6)
Hot-airFlat Pack-ICDesolderingMachine
CBA
Flat Pack-IC
Tweezers
Masking Tape
Fig. S-1-2
Flat Pack-IC Desoldering Braid
Soldering Iron
Fig. S-1-3
Fine TipSoldering Iron
SharpPin
Fig. S-1-4
3-3 TVN_SN
With Iron Wire:
1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily. (Fig. S-1-3)
2. Affix the wire to a workbench or solid mounting point, as shown in Fig. S-1-5.
3. While heating the pins using a fine tip soldering iron or hot air blower, pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig. S-1-5.
4. Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6)
5. Release the flat pack-IC from the CBA using tweezers. (Fig. S-1-6)
Note: When using a soldering iron, care must be taken to ensure that the flat pack-IC is not being held by glue. When the flat pack-IC is removed from the CBA, handle it gently because it may be damaged if force is applied.
2. Installation1. Using desoldering braid, remove the solder from
the foil of each pin of the flat pack-IC on the CBA so you can install a replacement flat pack-IC more easily.
2. The “ I ” mark on the flat pack-IC indicates pin 1. (See Fig. S-1-7.) Be sure this mark matches the pin 1 on the PCB when positioning for installation. Then presolder the four corners of the flat pack-IC. (See Fig. S-1-8.)
3. Solder all pins of the flat pack-IC. Be sure that none of the pins have solder bridges.
To Solid Mounting Point
Soldering Iron
Iron Wire
or
Hot Air Blower
Fig. S-1-5
Fine TipSoldering IronCBA
Flat Pack-ICTweezers
Fig. S-1-6
Example :
Pin 1 of the Flat Pack-ICis indicated by a " " mark. Fig. S-1-7
Presolder
CBA
Flat Pack-IC
Fig. S-1-8
3-4 TVN_SN
Instructions for Handling Semi-conductorsElectrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work.
1. Ground for Human Body
Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.
2. Ground for Workbench
Be sure to place a conductive sheet or copper plate with proper grounding (1 MΩ) on the workbench or other surface, where the semi-conductors are to be placed. Because the static electricity charge on clothing will not escape through the body grounding band, be careful to avoid contacting semi-conductors with your clothing.
1. Disassembly FlowchartThis flowchart indicates the disassembly steps for the cabinet parts, and the CBA in order to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route and dress the cables as they were.
2. Disassembly Method
Note:
(1) Order of steps in procedure. When reassembling, follow the steps in reverse order. These numbers are also used as the Identification (location) No. of parts in figures.
(4) Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or desoldered. P = Spring, L = Locking Tab, S = Screw, H = Hex Screw, CN = Connector
* = Unhook, Unlock, Release, Unplug, or Desoldere.g. 2(S-2) = two Screws (S-2), 2(L-2) = two Locking Tabs (L-2)
(5) Refer to the following "Reference Notes in the Table."
1. Disassembly FlowchartThis flowchart indicates the disassembly steps for the cabinet parts, and the CBA in order to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route and dress the cables as they were.
(1) Order of steps in procedure. When reassembling, follow the steps in reverse order. These numbers are also used as the Identification (location) No. of parts in figures.
(2) Parts to be removed or installed.
(3) Fig. No. showing procedure of part location
(4) Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or
desoldered. P = Spring, L = Locking Tab, S = Screw, H = Hex Screw, CN = Connector* = Unhook, Unlock, Release, Unplug, or Desoldere.g. 2(S-2) = two Screws (S-2), 2(L-2) = two Locking Tabs (L-2)
(5) Refer to the following "Reference Notes in the Table."
1. Disassembly FlowchartThis flowchart indicates the disassembly steps for the cabinet parts, and the CBA in order to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route and dress the cables as they were.
(1) Order of steps in procedure. When reassembling, follow the steps in reverse order. These numbers are also used as the Identification (location) No. of parts in figures.
(2) Parts to be removed or installed.
(3) Fig. No. showing procedure of part location
(4) Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or
desoldered. P = Spring, L = Locking Tab, S = Screw, H = Hex Screw, CN = Connector* = Unhook, Unlock, Release, Unplug, or Desoldere.g. 2(S-2) = two Screws (S-2), 2(L-2) = two Locking Tabs (L-2)
(5) Refer to the following "Reference Notes in the Table."
[4] Rear Cabinet
(S-1)
[1] Stand Base Assembly
(S-4)(S-2)
(S-4)
(S-4)
(S-4)
(S-5)
(S-7)
(S-3)
(S-6)
[2] Stand Hinge
[3] Stand Sub Cover
Fig. D1
4-15 A91H9DC
(S-12)
(S-12)
[5] Jack Holder(D)
[7] Jack Holder(A)
[9] Inverter Power CBA
[6] Digital Main CBA Unit
[8] Jack Power CBA
(S-8)
Shield Box
(S-13)
(S-13)
(S-9)
(S-10)
(S-11)
Fig. D2
4-16 A91H9DC
(S-14)
(S-17)
(S-19)
(S-19)
(S-18)
(S-16)
(S-15)
[10] Wall Mount Bracket
[13] Stand Bracket
[11] PCB Holder
[12] AC Inlet Holder
(S-17)
(S-18)
Fig. D3
4-17 A91H9DC
(S-21)
(S-22)
(S-22)
(S-20)
(S-20)
[14] LCD Module Assembly
[18] IR Sensor CBA
[17] Function CBA
[16] Junction CBA
[15] Speaker
[19] Front Cabinet
[15] Speaker
(S-21)(S-23)
Speaker Box [F]
Speaker Box [F]
Fig. D4
4-18 A91H9DC
TV Cable Wiring Diagram
Inverter Power CBA
Jack Power CBA
WH301A
WH302BWH301B CN302WH302A
Digital Main CBA Unit
CN1501
CN901
CN601
CN801
CN802
CN203 CN202 CN201
CN3702 CN3701
CN1803CN1804
CN1801
JunctionCBA
Function CBA
IR Sensor CBA
To LCD Module Assembly
To AC Inlet To Speaker
To LCD Module Assembly
CN1601
CN3901
Fig. D5
5-1 FL9.1PEA
ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note: “CBA” is abbreviation for “Circuit Board Assembly.”Note: Electrical adjustments are required after
replacing circuit components and certain mechanical parts. It is important to perform these adjustments only after all repairs and replacements have been completed. Also, do not attempt these adjustments unless the proper equipment is available.
Test Equipment Required1. NTSC Pattern Generator (Color Bar W/White
Window, Red Color, Dot Pattern, Gray Scale, Monoscope, Multi-Burst)
2. Remote control unit
3. Color Analyzer
How to make the Service remote control unit:1. Prepare the MAGNAVOX remote control unit.
(Part No. NF800UD or NF802UD)
2. Cut “A” portion of the attached remote control unit as shown in Fig. 1.
How to set up the service mode:
Service mode:1. Use the service remote control unit.
2. Turn the power on.
3. Press the service button on the service remote control unit. The following screen appears.
Fig. 1
service button(There is a button under the plastic housing.)
A
Code : Pic code : MIPS :
***********-*** **-***-**-*****-***Push 0key
Tuner : Safety :
****-*****-****safety_Non
"*" differs depending on the models.
5-2 LC7NEA
1. Purity Check ModeThis mode cycles through full-screen displays of red, green, blue, and white to check for non-active pixels.
1. Enter the Service mode.
2. Each time pressing [7] button on the service remote control unit, the display changes as follows.
2. VCOM Adjustment
1. Operate the unit for more than 20 minutes.
2. Set the color analyzer and bring the optical receptor to the center on the LCD-Panel surface after zero point calibration as shown above.Note: The optical receptor must be set perpendicularly to the LCD Panel surface.
3. Enter the Service mode.
4. Press [3] button on the service remote control unit.
5. Press [CHANNEL UP/DOWN] buttons on the service remote control unit so that the color analyzer value becomes minimum.
[7] button
Note:When entering this mode, the default setting is White mode.
Purity Check Mode
[7] button
Red mode
Green mode
Blue mode
Black mode
[7] button
White mode
[7] button
[7] button
White 20% mode[7] button
Test Point Adj. Point
Screen [CHANNEL UP/DOWN ] buttons
M. EQ. Spec.
Color analyzer See below
Figure
Color Analyzer
To avoid interference from ambinent light, this adjustment should be performed in a dark room.
L = 3 cm
Perpendicularity
5-3 LC7NEA
The white balance adjustment should be performed when replacing the LCD Panel or Digital CBA.
3. White Balance AdjustmentPurpose: To mix red, green and blue beams correctly for pure white.
Symptom of Misadjustment: White becomes bluish or reddish.
1. Operate the unit for more than 20 minutes.
2. Input the White Raster(70%=70IRE, 40%=40IRE).
3. Set the color analyzer to the CHROMA mode and bring the optical receptor to the center on the LCD-Panel surface after zero point calibration as shown above.Note: The optical receptor must be set perpendicularly to the LCD Panel surface.
4. Enter the Service mode. Press [VOLUME DOWN] button on the service remote control unit and select “C/D” mode.
5. [CUTOFF]Press [1] button to select “COR” for Red Cutoff adjustment. Press [3] button to select “COB” for Blue Cutoff adjustment.[DRIVE]Press [4] button to select “DR” for Red Drive adjustment. Press [6] button to select “DB” for Blue Drive adjustment.
6. In each color mode, press [CHANNEL UP/DOWN] buttons to adjust the values of color.
7. Adjust Cutoff and Drive so that the color temperature becomes 12000°K (x= 0.272 / y= 0.278 ±0.005).
Test Point Adj. Point Mode Input
Screen[VOLUME DOWN]button
[VIDEO1]C/D
White Raster (APL 70%)
or(APL 40%)
M. EQ. Spec.
Pattern Generator, Color analyzer
x= 0.272 ± 0.005y= 0.278 ± 0.005
Figure
Color Analyzer
L = 3 cm
Perpendicularity
INPUT: WHITE 70%, 40%
To avoid interference from ambinent light, this adjustment should be performed in a dark room.
40%=40IRE 70%=70IRE100IRE100IRE
0IRE 0IRE
INPUT SIGNAL
LowLight
HightLight
6-1 A91F3INT
HOW TO INITIALIZE THE LCD TV
The purpose of initialization is to place the set in a new out of box condition. The customer will be prompted to select a language and program channels after the set has been initialized.To put the program back at the factory-default, initialize the LCD TV using the following procedure.
1. Turn the power on.
2. To enter the service mode, press the service button on the service remote control unit.
- To cancel the service mode, press [POWER] button on the service remote control unit.
3. Press [INFO] button on the service remote control unit to initialize the LCD television.
4. "INITIALIZED" will appear in the upper right of the screen. "INITIALIZED" color will change to green from red when initializing is complete.
7-1 A91H2FW
FIRMWARE RENEWAL MODE
Equipment Requireda. USB memoryb. Remote Control Unit
Firmware Update ProcedureNote: There are two states (the User Upgrade and
the Factory Upgrade) in firmware update.
The identification of User Upgrade and Factory Upgrade are done by the filename.
1. Turn the power off and unplug the AC Cord.
2. Insert the USB memory to the USB port as shown below.
3. Plug the AC cord in the wall outlet and turn the power on.
4. The update will start and the following will appear on the screen.
Note: If the above screen isn’t displayed, repeat from step 1.
The appearance shown in *1 is described as follows.
5. When the firmware update is completed, the following will appear on the screen.
Unplug the AC cord and kindly remove the USB memory from the USB port. Plug the AC cord in the wall outlet again and turn the power on.
Note:
When the Factory Upgrade is used, after restarting TV, shift to initial screen menu in service mode. "INITIALIZED" will appear on the upper right of the screen. "INITIALIZED" color will change to green from red when initializing is complete.
User Upgrade Upgrade the firmware only. The setting values are not initialized.
Factory upgrade Upgrade the firmware and initialize the setting values.
Rear Cabinet
USB Memory
USB port
Software upgrade in progress. Please wait.Do not remove the USB device or turn the TV offwhile upgrade is in progress.
Software Upgrade
Downloading...
0%*1
Appearance State
Downloading... Downloading the firmware from the USB memory.
Writing... Writing the downloaded firmware in flash memory.
Checking... Checking the new firmware.
Software Upgrade
The software upgrade is completed.Remove USB storage device, unplug and replug power code.
8-1 A91H2TR
TROUBLESHOOTING
[ Power Supply Section ]
The power cannot be turned on.
The fuse blows out.
FLOW CHART NO.1
( Inverter Power CBA )
FLOW CHART NO.2
Is normal state restored when once unpluggedpower cord is plugged again several seconds?
Check if there is any leak or short-circuiting on theprimary circuit component, and service it if defective.(C1205, D1205, D1206, D1207, D1208, Q1203, Q1204, T1201)
Yes
No
Yes
Is the fuse (F1601) normal? See FLOW CHART No.2 <The fuse blows out.>
No
Check if there is any leak or short-circuiting on theprimary circuit component, and service it if defective.(D1601, IC1401, IC1702, Q1601, Q1602, Q1701, Q1702, T1701)
No
Yes
Is the AL+5V line voltage normal?No
Is the PANEL+24V line voltage normal?
Yes
Check each rectifying circuit of the secondarycircuit and service it if defective.
Check the presence that the primary componentis leaking or shorted and service it if defective.
Check the presence that the rectifying diode or circuit is shorted in each rectifying circuit of secondary side, and service it if defective.
After servicing, replace the fuse.
When the output voltage fluctuates.FLOW CHART NO.3
Does the photocoupler circuit on the secondary side operate normally?
No
Yes
Check D1213, D1720, IC1202, IC1704 and their periphery circuit, and service it if defective.
When buzz sound can be heard in the vicinity of power circuit.FLOW CHART NO.4
Check if there is any short-circuit on the rectifying diode and the circuit in each rectifying circuit of the secondary side,and service it if defective. (D1101, D1714, D1715, Q1101)
Check D1210, IC1202, IC1702, IC1704 and their periphery, circuit and service it if defective.
8-2 A91H2TR
Check if there is any leak or short-circuit on the loaded circuit, and service it if defective.
AL+5V is not output.FLOW CHART NO.5
Is approximately +5V voltage supplied to thecathode of D1101?
No
Yes
Check C1103, D1101, D1102 and their periphery circuit, and service it if defective.
Check D632, R640 and their periphery circuit, and service it if defective.
TUNER+31V is not output.FLOW CHART NO.9
Is approximately +40V voltage supplied to thecathode of D618?
No
Yes
Check C617, D618, D619 and their periphery circuit, and service it if defective.
Is approximately +4V voltage supplied to the base of Q1101?
AL+3.3V is not output.FLOW CHART NO.6
Is approximately +5V voltage supplied to the collector of Q1101?
No
Yes
Replace Q1101.
Yes
Check C1103, D1101, D1102 and their periphery circuit, and service it if defective.
No Check D1109 and their periphery circuit, and service it if defective.
( Jack Power CBA )
When the output voltage fluctuates.FLOW CHART NO.7
Does the photocoupler circuit on the secondary side operate normally?
No
Yes
Check D616, D637, IC601 and their periphery circuit, and service it if defective.
When buzz sound can be heard in the vicinity of power circuit.FLOW CHART NO.8
Check if there is any short-circuit on the rectifying diode and the circuit in each rectifying circuit of the secondary side,and service it if defective. (D613, D615, D617, D618, D620, D621, D622, D623, D624, IC602, Q603, Q604, Q605)
Check D607, IC601 and their periphery, circuit and service it if defective.
8-3 A91H2TR
Replace Q603.
Is approximately +9V voltage supplied to thebase of Q603?
Yes
NoCheck D627, D628 and their periphery circuit, and service it if defective.
No
P-ON+8.2V is not output.FLOW CHART NO.10
Is approximately +16.5V voltage supplied to thecollector of Q603?
Yes
Check C622, C624, D617, D624 and their periphery circuit, and service it if defective.
P-ON+5V is not output.FLOW CHART NO.11
Is approximately +6V voltage supplied to thecollector of Q604?
Check C619, D620 and their periphery circuit, and service it if defective.
Yes
No
Replace Q604.
P-ON+3.3V is not output. FLOW CHART NO.12
Is approximately +5V voltage supplied to thecollector of Q605?
Is approximately +4V voltage supplied to the base of Q605?
NoYes
Yes
Check D631 and their periphery circuit, and service it if defective.
Check C621, D623 and their periphery circuit, and service it if defective.
Is approximately +6V voltage supplied to the base of Q604?
NoYes
Check D638 and their periphery circuit, and service it if defective.
No
Replace Q605.
8-4 A91H2TR
[ Video Signal Section ]
No
Is the "L" pulse sent out Pin(1) terminal of remote control receiver (RS301) when the infrared remote control is activated?
Check the line between Pin(1) terminal of remote control receiver(RS301) and Pin(1) of CN202, and service it if defective.
Yes
Is the "L" pulse supplied to Pin(1) of CN202?
Yes
Is 3.3V voltage supplied to Pin(2) terminal of theremote control receiver (RS301)?
No
FLOW CHART NO.2
Operation is possible from the remote control unit.
Check AL+3.3V line and service it if defective.
NoReplace the remote control receiver(RS301) or the remote control unit.
Yes
Replace Digital Main CBA Unit.
When pressing each switches (SW351~SW355, SW357) do the voltage of Pin(3) of CN202 increase?
Yes
The key operation is not functioning.FLOW CHART NO.1
Are the contact point and installation state of the key switches (SW351~SW355, SW357) normal?
Re-install the switches (SW351~SW355, SW357) correctly or replace the poor switch.
Check the switches (SW351~SW355, SW357) and their periphery, and service it if defective.
Yes
Replace Digital Main CBA Unit.
No
No
No operation is possible from the remote control unit.
8-5 A91H2TR
Replace Digital Main CBA Unit or LCD Module Assembly.
Is 5V voltage supplied to the Pin(2, 29, 33, 39, 44) of IC401?Is 8.2V voltage supplied to the Pin(12) of IC401?
Replace IC401. Check P-ON+5V, P-ON+8.2V line and service it if defective.
Yes No
Yes
Yes
FLOW CHART NO.3Picture does not appear normally. (EXT. input)
FLOW CHART NO.4Picture does not appear normally. (Tuner input)
Are the video signals inputted to each pin of IC401? Check the line between video input terminal andeach pin of IC401.
Are the video signals outputted to each pin of IC401?
Are the audio(L/R) signals inputted to Pin(3, 5)of IC803?
Check the line between Pin(4, 6) of CN202 and Pin(3, 5) of IC803, and service it if defective.
NoAre the audio(L/R) signals outputted to Pin(1, 7)of IC803?
Check the line between Pin(1, 7) of IC803 and audiooutput terminal(JK722, JK723) and service it if defective.
Replace IC803
8-7 A91H2TR
Check SP801,SP802 and their periphery circuit,and service it if defective.
Are the audio(L/R) signals inputted to Pin(1, 44)of IC801?
Yes
Yes
No
Are the audio(L/R) signals outputted to CN801 and CN802?
Check IC801 and their periphery circuit, and service it if defective.
No
Yes
Yes
Yes
Yes
Check the line between Pin(8, 10) of CN202 and Pin(1, 44) of IC801, and service it if defective.
Replace Digital Main CBA Unit or LCD Module Assembly.
Yes (Output to speakers)
Yes (Output to audiooutput terminal)
FLOW CHART NO.2Picture does not appear normally. (Tuner input)
Are the audio(L/R) signals outputted to Pin(8, 10) of CN202?
No
No
No
Replace Digital Main CBA Unit or LCD Module Assembly.
Are the audio(L/R) signals outputted to Pin(4, 6) of CN202?
No
Are the audio(L/R) signals inputted to Pin(3, 5)of IC803?
Check the line between Pin(4, 6) of CN202 and Pin(3, 5) of IC803, and service it if defective.
NoAre the audio(L/R) signals outputted to Pin(1, 7)of IC803?
Check the line between Pin(1, 7) of IC803 and audiooutput terminal(JK722, JK723) and service it if defective.
Replace IC803
Check the line between Pin(3, 4) of CN201 andPin(12, 13) of TU101, and service it if defective.
Are the DIF signal inputted to Pin(3, 4) of CN201?
9-1
BLOCK DIAGRAMSSystem Control Block Diagram
A91H2BLS
AC18
KE
Y S
WIT
CH
IC33
01(M
AIN
MIC
RO
CO
NT
RO
LLE
R)
DIG
ITA
L M
AIN
CB
A U
NIT
IR S
EN
SO
R C
BA
FU
NC
TIO
N C
BA
INV
ER
TE
R P
OW
ER
CB
A
JAC
K P
OW
ER
CB
A
WH
302BR
EM
OT
ES
EN
SO
R
RS
301
AL+
3.3V
PO
WE
RD
302
WH
302A
WH
301A
RE
MO
TE
22
P-O
N-H
15
5
CN
202
CN
3702
CN
3702
CN
202
CLK
OU
TC
LKIN
X31
0225
MH
zO
SC
N1
N2
SC
LS
DA
9 8
TU
101
(TU
NE
R U
NIT
)
TO
PO
WE
R S
UP
PLY
2
BLO
CK
DIA
GR
AM
PR
OT
EC
T3
AE
5
PR
OT
EC
T1
AD
5
KE
Y-IN
1AC
5
BA
CK
LIG
HT-
SW
AB16
P-O
N-H
2AB
13
RE
MO
TE
R22
P-O
N-H
1
PR
OT
EC
T1
R23
JUN
CT
ION
C
BA
CN
302
KE
Y-IN
16
6 WH
301B
CN
1801
KE
Y-IN
13
3
CN
901
CN
203
AB23
BA
CK
LIG
HT-
AD
J
IC31
01 (
ME
MO
RY
)
SC
K SI
SO
AB25
AB24
AC25
AC24
6 5 2 1E
113
AC19
SC
L
SD
A
CN
201
CN
3701
CS
WP
SC
KS
INS
OU
TC
SW
P
TO
PO
WE
R
SU
PP
LY 1
B
LOC
K
DIA
GR
AM
P-O
N-H
2P
-ON
-H1
PR
OT
EC
T3
BAC
KLI
GH
T-S
WB
ACK
LIG
HT-
AD
J
2828
SC
L
2727
SD
A
1010
PR
OT
EC
T1
77
PR
OT
EC
T3
2323
BAC
KLI
GH
T-S
W
2525
BAC
KLI
GH
T-A
DJ
KE
Y-IN
13
3
P-O
N-H
18
8
RE
MO
TE
11
P-O
N-H
26
6
93
PR
OT
EC
T3
84
BAC
KLI
GH
T-S
W
75
BAC
KLI
GH
T-A
DJ
P-O
N-H
13
9P
-ON
-H2
48
RE
MO
TE
27
P-O
N-H
15
4K
EY-
IN1
63
TO A
UD
IOB
LOC
K
DIA
GR
AM
AU
DIO
-MU
TE
AU
DIO
-MU
TE
AB9
9-2 A91H2BLV
Video Block DiagramV
IDE
O S
IGN
AL
IC40
1 (I
NP
UT
SE
LEC
TOR
)D
IGIT
AL
MA
IN C
BA
UN
IT
TO D
IGIT
AL
SIG
NA
L P
RO
CE
SS
BLO
CK
D
IAG
RA
M
AU
DIO
SIG
NA
L
JK70
3V
IDE
O-I
N1
CO
MP
ON
EN
T-Y
-IN
1
CO
MP
ON
EN
T-P
b-IN
1
CO
MP
ON
EN
T-P
r-IN
1
CO
MP
ON
EN
T-Y
-IN
2
CO
MP
ON
EN
T-P
b-IN
2
CO
MP
ON
EN
T-P
r-IN
2
JK71
4
JK71
5
JK71
6
JK71
7
JK71
8
JK71
9
3
38 36 34
7 1 5 9 11 41 43 45 47 50 52 51
CV
BS
/Y/S
-Y-I
N18
18P
b-IN
2020
Pr/
S-C
-IN
2222
VID
EO
SE
LEC
TOR
WF
1W
F2
WF
3C
Y
S-V
IDE
O-S
W1
49S
-VID
EO
-SW
2
JK70
6S
-VID
EO
-IN
2
CY
JK70
7V
IDE
O-I
N2
JK70
2S
-VID
EO
-IN
1
JAC
K P
OW
ER
CB
A
CV
BS
/Y/S
-Y-I
NP
b-IN
Pr/
S-C
-IN
TU
101
DIF
-OU
T1
12D
IF-O
UT
213
(TU
NE
R U
NIT
)
IF-A
GC
14
CN
201
CN
3701
DIF
-OU
T1
33
IF-A
GC
11
DIF
-OU
T2
44
TO D
IGIT
AL
SIG
NA
L P
RO
CE
SS
BLO
CK
D
IAG
RA
M
DIF
-OU
T1
DIF
-OU
T2
IF-A
GC
CN
202
CN
3702
WIT
H T
WO
CO
MP
ON
EN
T IN
PU
T
9-3
Audio Block Diagram
A91H2BLA
AU
DIO
SIG
NA
L
IC40
1(I
NP
UT
SE
LEC
TOR
)A
UD
IO(L
)-IN
1
AU
DIO
(R)-
IN1
JK70
4
JK70
5
CO
MP
ON
EN
TA
UD
IO(L
)-IN
1
CO
MP
ON
EN
TA
UD
IO(R
)-IN
1
HD
MI
AU
DIO
(L)-
IN
HD
MI
AU
DIO
(R)-
IN
CO
MP
ON
EN
TA
UD
IO(L
)-IN
2
CO
MP
ON
EN
TA
UD
IO(R
)-IN
2
JK72
0
JK72
1
JK71
0
WIT
H T
WO
CO
MP
ON
EN
T IN
PU
T
JK71
1
JK71
2
JK71
3
14 16
28 27
18 20 15 17 19 21
AU
DIO
SE
LEC
TOR
AU
DIO
(L)-
OU
T
AU
DIO
(R)-
OU
T
JK72
2
JK72
3
24 25
AU
DIO
(L)-
IN2
AU
DIO
(R)-
IN2
JK70
8
JK70
9
CN
3702
CN
202
AU
DIO
(L)
2424
AU
DIO
(R)
2626
JAC
K P
OW
ER
CB
A
AU
DIO
(L)
AU
DIO
(R)
DIG
ITA
L M
AIN
CB
A U
NIT
WF
4
20
IC80
1 (A
UD
IO P
OW
ER
AM
P)
IC80
3 (O
P A
MP
)
1
7 1
5 3
44
9,10
13,1
4
35,3
631
,32
MU
TE
CO
NT
RO
L
CN
801
CL8
01S
P80
1S
PE
AK
ER
L-C
H
CN
802
SP
(R)-
1
CL8
02S
P80
2S
PE
AK
ER
R-C
H
DR
IVE
1P
WM
1
DR
IVE
2P
WM
2
IC35
03(A
UD
IO D
/A C
ON
VE
RT
ER
)IC
3501
(AU
DIO
DS
P)
D/A
CO
NV
ER
TE
RD
SP
(L-C
H)
(R-C
H)
15 145678
37 34333635
39 34402
IC35
02(A
UD
IO D
/A C
ON
VE
RT
ER
)
D/A
CO
NV
ER
TE
R
(L-C
H)
(R-C
H)
15 145678
CN
202
CN
3702
CN
202
CN
3702
AU
DIO
-MU
TE
1111
JK70
1D
IGIT
AL
AU
DIO
-OU
T(C
OA
XIA
L)
Q70
2B
UF
FE
R
Q80
2,Q
804
DR
IVE
Q70
3 MU
TE
SP
DIF
1313
AU
DIO
(L)-
OU
T4
4A
UD
IO(R
)-O
UT
66
AM
P(L
)-O
UT
88
AM
P(R
)-O
UT
1010
SP
(R)+
2
SP
(L)-
1S
P(L
)+2
AC
LKA
DAT
A0
BC
LKLR
CLK
AD
ATA
1
SP
DIF
TO
DIG
ITA
LS
IGN
AL
PR
OC
ES
SB
LOC
KD
IAG
RA
M
TO
DIG
ITA
LS
IGN
AL
PR
OC
ES
SB
LOC
KD
IAG
RA
M
AU
DIO
-MU
TE
TO
SY
ST
EM
C
ON
TR
OL
BLO
CK
DIA
GR
AM
Q80
1
Q70
4 MU
TE
9-4
Digital Signal Process Block Diagram
A91H2BLD
LVD
S-C
O(+
)32
LVD
S-C
O(-
)33
DIG
ITA
L M
AIN
CB
A U
NIT
IC33
01 (
DIG
ITA
L S
IGN
AL
PR
OC
ES
S)
IC38
01 (
HD
MI S
W)
LCD
MO
DU
LEA
SS
EM
BLY
CN
3901
LVD
S-D
1E(+
)21
LVD
S-D
1E(-
)22
LVD
S-D
0E(+
)23
LVD
S-D
0E(-
)24
LVD
S-D
2E(+
)19
LVD
S-D
2E(-
)20
LVD
S-D
3E(+
)13
LVD
S-D
3E(-
)14
LVD
S-D
0O(+
)39
LVD
S-D
0O(-
)40
LVD
S-D
1O(+
)37
LVD
S-D
1O(-
)38
LVD
S-D
2O(+
)35
LVD
S-D
2O(-
)36
LVD
S-D
3O(+
)29
LVD
S-D
3O(-
)30
LVD
S-C
E(+
)16
LVD
S-C
E(-
)17
AD23
AD24
AE23
AF23
AF22
AE22
AD21
AD22
AF24
AE24
AF18
AE18
AD17
AD18
AE17
AF17
AF16
AE16
AE19
AF19
LVD
ST
X
DIG
ITA
LS
IGN
AL
PR
OC
ES
S
A/D
CO
NV
ER
TER
SW
V1
V2
U2
U1
U3
V3
Pr/
S-C
-IN
Pb-
INC
VB
S/Y
/S-Y
-IN
AA3
IF-A
GC
HD
MI-
IN1
HD
MI
SW
JK38
03
DAT
A0(
+)
DAT
A0(
-)D
ATA
1(+
)D
ATA
1(-)
DAT
A2(
+)
DAT
A2(
-)
HD
MI-
DAT
AH
DM
I-C
LOC
K
7 9 4 6 1 3 10 12 16 15
CLO
CK
(+)
CLO
CK
(-)
DE
MO
DU
LATO
R/M
PE
G D
EC
OD
ER
AE2
AF7
AU
DIO
I/F
TO A
UD
IOB
LOC
K D
IAG
RA
MA
CLK
AD
ATA
1
BC
LKLR
CLK
AD
ATA
0S
PD
IF
AD14
AD9
AD12
AD10
AD11
AC10
DAT
A(0
-15)
AD
DE
SS
(0-1
2)
IC32
01
A13-
15,A
18,
A21-
23,B
13-1
5,B1
7,B1
9-23
C15,
C17-
19,
C23,
C24,
D14,
D15,
D17-
19,
D22,
D23
B1,B
9,C2
,C8,
D1,D
3,D7
,D9,
F1,F
9,G
2,G
8,H1
,H3,
H7,H
9M
2,M
3,M
7,M
8,N2
,N3,
N7,N
8,P2
,P3,
P7,P
8,R2
(DD
R2
SD
RA
M)
HD
MI
I/FB
1B
2
C1
C2
D1
D2
A1
A2
AU
DIO
DE
CO
DE
R
DIF
-OU
T1
DIF
-OU
T2
IF-A
GC
TO V
IDE
OB
LOC
K D
IAG
RA
M
VID
EO
DE
CO
DE
R
AF2
M2
AU
DIO
(R)
M1
AU
DIO
(L)
VID
EO
SIG
NA
LA
UD
IO S
IGN
AL
22 21 24 23 26 25 20 19 43 44
HD
MI-
IN2
JK38
01
DAT
A0(
+)
DAT
A0(
-)D
ATA
1(+
)D
ATA
1(-)
DAT
A2(
+)
DAT
A2(
-)
HD
MI-
DAT
AH
DM
I-C
LOC
K
7 9 4 6 1 3 10 12 16 15
CLO
CK
(+)
CLO
CK
(-)
14 13 16 15 18 17 12
56 57 58 59 60 61 62 6311 39 40
HD
MI-
IN3
JK38
02
DAT
A0(
+)
DAT
A0(
-)D
ATA
1(+
)D
ATA
1(-)
DAT
A2(
+)
DAT
A2(
-)
HD
MI-
DAT
AH
DM
I-C
LOC
K
7 9 4 6 1 3 10 12 16 15
CLO
CK
(+)
CLO
CK
(-)
68 67 70 69 72 71 66 65 29 30
9-5 A91H2BLP1
LCD
MO
DU
LEA
SS
EM
BLY
HO
T
CO
LD
HO
T C
IRC
UIT
. BE
CA
RE
FU
L.
CN
1601
HO
T-G
ND
2A
CL
1
AC
601
AC
CO
RD
AC
IN
LET
LIN
EF
ILT
ER
L160
1
LIN
EF
ILT
ER
L160
2
T12
01
BR
IDG
ER
EC
TIF
IER
D12
05-D
1208
BR
IDG
ER
EC
TIF
IER
D16
01
L160
4
TO S
YS
TE
M C
ON
TR
OL
BLO
CK
DIA
GR
AM
INV
ER
TE
R P
OW
ER
CB
A
AL+
3.3V
CN
1501
CN
1804
F16
01
8A/2
50V
4 6 1 2
10 9 8 7
2 5
11 8
T17
01
8 7 5 34 2 1
109 11 12 13 14 15 16Q12
04S
WIT
CH
ING
CO
NT
RO
L
IC12
02
14 3
2
Q12
03S
WIT
CH
ING
Q16
02S
WIT
CH
ING
Q16
01
VC
CS
WIT
CH
ING
(FE
ED
BA
CK
)
RL1
201
Q12
02
Q12
01
Q17
01S
WIT
CH
ING
Q17
02S
WIT
CH
ING
IC17
05(I
SO
LAT
OR
)
IC17
04(F
EE
D B
AC
K)
IC14
01(S
WIT
CH
ING
CO
NT
RO
L)
IC17
02(H
IGH
-VO
LTA
GE
R
ES
ON
AN
T C
ON
TR
OL)
SW
ITC
HIN
G
CO
NT
RO
L
Q11
01+
3.3V
RE
G.
TO P
OW
ER
S
UP
PLY
2
BLO
CK
D
IAG
RA
MC
N60
1
7
11
116
12
14
L160
3
2 5
11 8
HIG
H-
VO
LTA
GE
RE
SO
NA
NT
CO
NT
RO
L
8
8 12 13 3 149 5 4
14 3
2 14 3
2
IC17
05(I
SO
LAT
OR
)
Q17
05
Q17
03
Q17
04
Q14
04
Q14
03
Q14
02
Q14
01
Q17
07Q
1708
14 3
2
PAN
EL+
24V
1-5
CN
1803
PAN
EL+
24V
1-5
P-O
N-H
2P
-ON
-H1
PR
OT
EC
T3
BA
CK
LIG
HT-
AD
JB
AC
KLI
GH
T-S
W
+35
4V1
HO
T+
22V
4
PR
OT
EC
T3
11BA
CKL
IGH
T-AD
J13
BAC
KLIG
HT-
SW14
NO
TE
:T
he v
olta
ge fo
r pa
rts
in h
ot c
ircui
t is
mea
sure
d us
ing
hot G
ND
as
a co
mm
on te
rmin
al.
Power Supply 1 Block Diagram[42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]
CA
UT
ION
!F
ixed
vol
tage
(or
Aut
o vo
ltage
sel
ecta
ble)
pow
er s
uppl
y ci
rcui
t is
used
in th
is u
nit.
If M
ain
Fus
e (F
1601
) is
blo
wn
, che
ck to
see
that
all
com
pone
nts
in th
e po
wer
sup
ply
circ
uit a
re n
ot d
efec
tive
befo
re y
ou c
onne
ct th
e A
C p
lug
to th
e A
C p
ower
sup
ply.
Oth
erw
ise
it m
ay c
ause
som
e co
mpo
nent
s in
the
pow
er s
uppl
y ci
rcui
t to
fail.
For
con
tinue
d pr
otec
tion
agai
nst r
isk
of fi
re,
repl
ace
only
with
sam
e ty
pe 4
A, 1
25V
fuse
.C
AU
TIO
N !
:
AT
TE
NT
ION
: U
tilis
er u
n fu
sibl
e de
rec
hang
e de
mêm
e ty
pe d
e 4
A, 1
25V
.4A
/125
V
9-6 A91H5BLP1
LCD
MO
DU
LEA
SS
EM
BLY
HO
T
CO
LD
HO
T C
IRC
UIT
. BE
CA
RE
FU
L.
CN
1601
HO
T-G
ND
2A
CL
1
AC
601
AC
CO
RD
AC
IN
LET
LIN
EF
ILT
ER
L160
1
LIN
EF
ILT
ER
L160
2
T12
01
BR
IDG
ER
EC
TIF
IER
D12
05-D
1208
BR
IDG
ER
EC
TIF
IER
D16
01
L160
4
TO S
YS
TE
M C
ON
TR
OL
BLO
CK
DIA
GR
AM
INV
ER
TE
R P
OW
ER
CB
A
AL+
3.3V
CN
1501
CN
1804
F16
01
8A/2
50V
4 6 1 2
10 9 8 7
2 5
11 8
T17
01
8 7 5 34 2 1
109 11 12 13 14 15 16Q12
04S
WIT
CH
ING
CO
NT
RO
L
IC12
02
14 3
2
Q12
03S
WIT
CH
ING
Q16
02S
WIT
CH
ING
Q16
01
VC
CS
WIT
CH
ING
(FE
ED
BA
CK
)
RL1
201
Q12
02
Q12
01
Q17
01S
WIT
CH
ING
Q17
02S
WIT
CH
ING
IC17
05(I
SO
LAT
OR
)
IC17
04(F
EE
D B
AC
K)
IC14
01(S
WIT
CH
ING
CO
NT
RO
L)
IC17
02(H
IGH
-VO
LTA
GE
R
ES
ON
AN
T C
ON
TR
OL)
SW
ITC
HIN
G
CO
NT
RO
L
Q11
01+
3.3V
RE
G.
TO P
OW
ER
S
UP
PLY
2
BLO
CK
D
IAG
RA
MC
N60
1
7
11
116
12
14
L160
3
2 5
11 8
HIG
H-
VO
LTA
GE
RE
SO
NA
NT
CO
NT
RO
L
8
8 12 13 3 149 5 4
14 3
2 14 3
2
IC17
05(I
SO
LAT
OR
)
Q17
05
Q17
03
Q17
04
Q14
04
Q14
03
Q14
02
Q14
01
Q17
07Q
1708
14 3
2
PAN
EL+
24V
1-5
CN
1803
PAN
EL+
24V
1-5
P-O
N-H
2P
-ON
-H1
PR
OT
EC
T3
BA
CK
LIG
HT-
AD
JB
AC
KLI
GH
T-S
W
+35
4V1
HO
T+
22V
4
PR
OT
EC
T3
14BA
CKL
IGH
T-AD
J11
,13
BAC
KLIG
HT-
SW12
NO
TE
:T
he v
olta
ge fo
r pa
rts
in h
ot c
ircui
t is
mea
sure
d us
ing
hot G
ND
as
a co
mm
on te
rmin
al.
Power Supply 1 Block Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]C
AU
TIO
N !
Fix
ed v
olta
ge (
or A
uto
volta
ge s
elec
tabl
e) p
ower
sup
ply
circ
uit i
s us
ed in
this
uni
t.If
Mai
n F
use
(F16
01)
is b
low
n , c
heck
to s
ee th
at a
ll co
mpo
nent
s in
the
pow
er s
uppl
yci
rcui
t are
not
def
ectiv
e be
fore
you
con
nect
the
AC
plu
g to
the
AC
pow
er s
uppl
y.O
ther
wis
e it
may
cau
se s
ome
com
pone
nts
in th
e po
wer
sup
ply
circ
uit t
o fa
il.
For
con
tinue
d pr
otec
tion
agai
nst r
isk
of fi
re,
repl
ace
only
with
sam
e ty
pe 4
A, 1
25V
fuse
.C
AU
TIO
N !
:
AT
TE
NT
ION
: U
tilis
er u
n fu
sibl
e de
rec
hang
e de
mêm
e ty
pe d
e 4
A, 1
25V
.4A
/125
V
9-7
Power Supply 2 Block Diagram
A91H2BLP2
HO
TC
OLD
JAC
K P
OW
ER
CB
A
HO
T C
IRC
UIT
. BE
CA
RE
FUL.
Q60
2S
WIT
CH
ING
CO
NT
RO
L
14 3
2
IC60
1
T60
1
TO
PO
WE
RS
UP
PLY
1B
LOC
K
DIA
GR
AM
C
N15
01
CN
601
2
HO
T-G
ND
2H
OT
+22V
3
+345
V1
43
9 10 16 11 14 15 13 1286 7
Q60
1S
WIT
CH
ING
CN
201
CN
3701
Q60
4S
W+5
V
Q60
3S
W+8
.2V
TO S
YS
TE
M
CO
NT
RO
L B
LOC
KD
IAG
RA
M
PR
OT
EC
T1
AL+
13V
P-O
N+8
.2V
P-O
N+1
1V
TU
NE
R+3
1VP
-ON
+5V
P-O
N+3
.3V
21,2
2
1827
-29
LCD
+12V
P-O
N+3
V
P-O
N+7
VP
-ON
+5V
P-O
N+3
.3V
DIG
ITA
L M
AIN
CB
A U
NIT
15,1
6P
-ON
+3V
15,1
6
P-O
N+3
.3V
21,2
214
P-O
N+5
V14
P-O
N+7
V18
LCD
+12V
27-2
9
Q60
5
(FE
ED
BA
CK
)
SW
+3.3
V
NO
TE
:T
he v
olta
ge fo
r pa
rts
in h
ot c
ircui
t is
mea
sure
d us
ing
hot G
ND
as
a co
mm
on te
rmin
al.
10-1 FL9_2PSC
SCHEMATIC DIAGRAMS / CBA AND TEST POINTS
Standard Notes
WARNING
Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts that have these special safety characteristics are identified in this manual and its supplements; electrical components having such features are identified by the mark “#” in the schematic diagram and the parts list. Before replacing any of these components, read the parts list in this manual carefully. The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock, fire, or other hazards.
Notes:1. Do not use the part number shown on these
drawings for ordering. The correct part number is shown in the parts list, and may be slightly different or amended since these drawings were prepared.
2. All resistance values are indicated in ohms (K = 103, M = 106).
3. Resistor wattages are 1/4W or 1/6W unless otherwise specified.
4. All capacitance values are indicated in µF (P = 10-6 µF).
5. All voltages are DC voltages unless otherwise specified.
6. This schematic diagrams are masterized version that should cover the entire FL9.2 chasis models.Thus some parts in detail illustrated on this schematic diagrams may vary depend on the model within the FL9.2 chasis.Please refer to the parts lists for each models.
7. The Circuit Board layout illustrated on this service manual is the latest version for this chasis at the moment of making this service manual. Depend on the mass production date of each model, the acutual layout of each Board may differ slightly from this version.
10-2 FL9_2PSC
LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES:
1. CAUTION:CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE_A,_V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V.
2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1601) is blown, first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail.
3. Note:1. Do not use the part number shown on the drawings for ordering. The correct part number is shown in the
parts list, and may be slightly different or amended since the drawings were prepared.
2. To maintain original function and reliability of repaired units, use only original replacement parts which are listed with their part numbers in the parts list section of the service manual.
4. Voltage indications on the schematics are as shown below: Plug the TV power cord into a standard AC outlet.:
5. How to read converged lines
6. Test Point Information
2 315.0 5.0
Voltage Indicates that the voltage is not consistent here.
Power on mode(Unit: Volt)
3
2
1
A B C D
1-B1
1-D3
AREA D3
AREA B1
1-D3
Distinction AreaLine Number (1 to 3 digits)
Examples:1. "1-D3" means that line number "1" goes to the line number "1" of the area "D3". 2. "1-B1" means that line number "1" goes to the line number "1" of the area "B1".
: Indicates a test point with a jumper wire across a hole in the PCB.
: Used to indicate a test point with a component lead on foil side.
: Used to indicate a test point with no test pin.
: Used to indicate a test point with a test pin.
10-3 A91H2SCJP1
Jack Power 1/3 Schematic Diagram
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
CAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (F1601) is blown , check to see that all components in the power supplycircuit are not defective before you connect the AC plug to the AC power supply.Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire, replace only with same type 8A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.8A 250V
10-7 A91H2SCIP2
Inverter Power 2/3 Schematic Diagram [42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
10-8 A91H2SCIP3
Inverter Power 3/3 Schematic Diagram [42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
10-9 A91H5SCIP1
Inverter Power 1/3 Schematic Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
CAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (F1601) is blown , check to see that all components in the power supplycircuit are not defective before you connect the AC plug to the AC power supply.Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire, replace only with same type 8A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.8A 250V
10-10 A91H5SCIP2
Inverter Power 2/3 Schematic Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
10-11 A91H5SCIP3
Inverter Power 3/3 Schematic Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
10-12 A91H2SCIR
IR Sensor, Function & Junction Schematic Diagram
10-13 A91H2SCD1
Digital Main 1/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-14 A91H2SCD2
Digital Main 2/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-15
Digital Main 3/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]
A91H2SCD3
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-16
Digital Main 4/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]
A91H2SCD4
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-17
Digital Main 5/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]
A91H2SCD5
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-18 A91H5SCD1
Digital Main 1/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-19 A91H5SCD2
Digital Main 2/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-20 A91H5SCD3
Digital Main 3/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-21 A91H5SCD4
Digital Main 4/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-22 A91H5SCD5
Digital Main 5/5 Schematic Diagram [42PFL3704D/F7 (Serial No. : YA1A**********)]
The order of pins shown in this diagram is different from that of actual IC3301.IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
10-23 BA94H0F01012-A
Jack Power CBA Top View
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing.Also, in order to have the ability to increase the input slowly, when troubleshooting this type of power supply circuit, a variable isolation transformer is required.
10-24
PIN 24 OFCN202
WF4
PIN 22 OFCN202
WF3
PIN 20 OFCN202
WF2
PIN 18 OFCN202
WF1
BA94H0F01012-A
Jack Power CBA Bottom View
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing.Also, in order to have the ability to increase the input slowly, when troubleshooting this type of power supply circuit, a variable isolation transformer is required.
10-25 BA94H0F01033-A
Inverter Power CBA Top View [42PFL3704D/F7 (Serial No. : DS1A**********, YA2A**********)]
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing.Also, in order to have the ability to increase the input slowly, when troubleshooting this type of power supply circuit, a variable isolation transformer is required.
CAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (F1601) is blown , check to see that all components in the power supplycircuit are not defective before you connect the AC plug to the AC power supply.Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire, replace only with same type 8A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.8A 250V
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing.Also, in order to have the ability to increase the input slowly, when troubleshooting this type of power supply circuit, a variable isolation transformer is required.
CAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (F1601) is blown , check to see that all components in the power supplycircuit are not defective before you connect the AC plug to the AC power supply.Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire, replace only with same type 8A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.8A 250V
10-27 BA91H5F01031-A
Inverter Power CBA Top View [42PFL3704D/F7 (Serial No. : YA1A**********)]
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing.Also, in order to have the ability to increase the input slowly, when troubleshooting this type of power supply circuit, a variable isolation transformer is required.
CAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (F1601) is blown , check to see that all components in the power supplycircuit are not defective before you connect the AC plug to the AC power supply.Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire, replace only with same type 8A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.8A 250V
10-28 BA91H5F01031-A
Inverter Power CBA Bottom View [42PFL3704D/F7 (Serial No. : YA1A**********)]
NOTE:The voltage for parts in hot circuit is measured usinghot GND as a common terminal.
Because a hot chassis ground is present in the power supply circuit, an isolation transformer must be used when repairing.Also, in order to have the ability to increase the input slowly, when troubleshooting this type of power supply circuit, a variable isolation transformer is required.
CAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (F1601) is blown , check to see that all components in the power supplycircuit are not defective before you connect the AC plug to the AC power supply.Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire, replace only with same type 8A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.8A 250V
10-29
BA94H0F01012-B BA94H0F01012-D
Function CBA Top View
Function CBA Bottom View
Junction CBA
Top View
Junction CBA
Bottom View
BA94H0F01012-C
IR Sensor CBA Top View
IR Sensor CBA Bottom View
WAVEFORMS
A91H2WF11-1
Input: NTSC Color Bar Signal (with 1kHz Audio Signal)
WF1 ~ WF4 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.)
MECHANICAL PARTS LIST[42PFL3704D/F7 (Serial No. : DS1A**********)]
PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
NOTE: Parts that are not assigned part numbers (---------) are not available.
ACCESSORIESAC601# AC CORD WITH A GND WIRE UL/CSA/ 162/
NO/BLACKWAV0162LW001
RMD-1 REMOTE CONTROL TRANSMITTER YKF259-001
URMT34JHG001
X1 BAG POLYETHYLENE 235X365XT0.03 0EM408420A
X2# OWNERS MANUAL A91H2UH 1EMN24524
X4 BATTERY R03-B500/01S XB0M451CZB01
X5 STAND SCREW KIT(LC7-42W) A91H2UH 1ESA20029
X6 QUICK START GUIDE A91H2UH 1EMN24525
X13 CONNECTION GUIDE A91H2UH 1EM325957
X14 CHILD SAFETY SHEET A91H2UH 1EMN24526
X18 WALL MOUNT INSTRUCTION A91H2UH 1EMN24527
X20 CABLE MANAGEMENT TIE A91H2UH 1EM428657
X21 REGISTRATION CARD(PHILIPS) A91H2UH 1EMN24599
X3301 THERMOSTAR TMS-L-2 (24*24HC) XK10000X4002
Ref. No. Description Part No.
20090713 14-2 A91H5CA
MECHANICAL PARTS LIST[42PFL3704D/F7 (Serial No. : YA1A**********)]
PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
NOTE: Parts that are not assigned part numbers (---------) are not available.
ACCESSORIESAC601# AC CORD WITH A GND WIRE UL/CSA/ 162/
NO/BLACKWAV0162LW001
RMD-1 REMOTE CONTROL TRANSMITTER YKF259-001
URMT34JHG001
X1 OWNERS MANUAL BAG A91H5UF 1EM429581
X2# OWNERS MANUAL A91H5UF 1EMN24999
X4 BATTERY R03-B500/01S XB0M451CZB01
X5 STAND SCREW KIT(LC7-42W) A91H5UF 1ESA21715
X6 QUICK START GUIDE A91H5UF 1EMN25000
X13 CONNECTION GUIDE A91H5UF 1EM326538
X14 CHILD SAFETY SHEET A91H5UF 1EMN25001
X18 WALL MOUNT INSTRUCTION A91H5UF 1EMN25002
X20 CABLE MANAGEMENT TIE A91H2UH 1EM428657
X21 REGISTRATION CARD(PHILIPS) A91H5UF 1EMN25003
Ref. No. Description Part No.
20091104 14-3 A91H9CA
MECHANICAL PARTS LIST[42PFL3704D/F7 (Serial No. : YA2A**********)]
PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
NOTE: Parts that are not assigned part numbers (---------) are not available.
ACCESSORIESAC601# AC CORD WITH A GND WIRE UL/CSA/ 162/
NO/BLACKWAV0162LW001
RMD-1 REMOTE CONTROL TRANSMITTER YKF259-001
URMT34JHG001
X1 OENERS MANUAL BAG A91H5UF 1EM429581
X2# OWNERS MANUAL A91H5UF 1EMN24999
X4 BATTERY R03-B500/01S XB0M451CZB01
X5 STAND SCREW KIT(LC7-42W) A91H5UF 1ESA21715
X6 QUICK START GUIDE A91H5UF 1EMN25000
X13 CONNECTION GUIDE A91H5UF 1EM326538
X14 CHILD SAFETY SHEET A91H5UF 1EMN25001
X18 WALL MOUNT INSTRUCTION A91H5UF 1EMN25002
X20 CABLE MANAGEMENT TIE A91H2UH 1EM428657
X21 REGISTRATION CARD(PHILIPS) A91H5UF 1EMN25003
Ref. No. Description Part No.
20090223 15-1 A91H2EL
ELECTRICAL PARTS LIST[42PFL3704D/F7 (Serial No. : DS1A**********)]
PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
NOTES:
1. Parts that are not assigned part numbers (---------) are not available.
2. Tolerance of Capacitors and Resistors are noted with the following symbols.
T1701# TRANS INV SRX40ER-P240000G8501 LTZ4PZ0TE001
Ref. No. Description Part No.
20090713 15-9 A91H5EL
ELECTRICAL PARTS LIST[42PFL3704D/F7 (Serial No. : YA1A**********)]
PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
NOTES:
1. Parts that are not assigned part numbers (---------) are not available.
2. Tolerance of Capacitors and Resistors are noted with the following symbols.
T1701# TRANS INV SRX40ER-P240000G8501 LTZ4PZ0TE001
Ref. No. Description Part No.
20091104 15-17 A91H9EL
ELECTRICAL PARTS LIST[42PFL3704D/F7 (Serial No. : YA2A**********)]
PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
NOTES:
1. Parts that are not assigned part numbers (---------) are not available.
2. Tolerance of Capacitors and Resistors are noted with the following symbols.
IC1702 IC 0V-SWITCHING RESONANT CONVE TEA1611T/N1.518
NSCA0TNXP002
IC1703# PHOTO COUPLER LTV817MCF NPECLTV817MF
IC1704# PHOTO COUPLER LTV817MBF NPEBLTV817MF
IC1705# PHOTO COUPLER LTV817MCF NPECLTV817MF
COILSL1101 CHOKE COIL 22µH-K LLBD00PKV021
L1601# FILTER LLBG00ZY2015 LLBG00ZY2015
L1602# FILTER LLBG00ZY2015 LLBG00ZY2015
When you repair any of the below Coils that are being used for this CBA, please replace every Coils with same parts number.Do not intermingle Coils with different parts numbers.