Transcript
TFT LCD Color Monitor
TECHNICAL SERVICE MANUAL
L50S(LVDS)
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L50S Technical Service Manual
Safety PrecautionWARNINGService should not be attempted by anyone unfamiliar with the necessary precautions on thismonitor. The followings are the necessary precautions to be observed before servicing.
1. When managing this monitor, cover with shield plate to avoid to scrach on LCD surface.
2. When replacing a chassis in the cabinet, always be certain that all the protective devices are put back in place, such as nonmetallic control knobs, insulating covers, shields, isolationresistor capacitor network etc.
3. Before returning the monitor to the customer, always perform an AC leakage current check on the exposed metallic parts of the cabinet, such as signal connectors, terminals, screwheads, metal overlays, control shafts etc, to be sure the monitor is safe to operate withoutdanger of electrical shock.
General Information1. Description
This 15" LCD color display monitor is operated in R, G, B drive mode input.
2. Operating instructions2-1. Front
Power Switch , Menu, Select, Down, Up, DPMS (Power) LED2-2. Rear
Input connector (AC & Signal Cable)2-3. OSD Controls
H/V Position, Clock Phase, Brightness, Contrast, Recall, Color Control, Language, AutoAdjust, Miscellaneous, Auto color, Audio control
3. Electrical Characteristic3-1. Power Supply
AC/DC - Input Voltage : 90V~264VInput Current : 1.0 A MaxInput Ferquency : 50 ~ 60Hz
- Output Voltage 12V/5VOutput Current 2A/1.5A
3-2. Video Input SignalLevel : 0.7 Vp-p analog signal(at 75 ohm termination to ground)Polarity : Positive
3-3. Horizontal Synchronization SignalLevel : TTL High : 2.4V min
Low : 0.4V maxPolarity : - or +
Frequency : 31kHz ~ 60kHz3-4. Vertical Synchronization Signal
Level : TTL High : 2.4V minLow : 0.4V maxPolarity : - or +
Frequency : 56Hz ~ 75Hz
--2--
Control DescriptionFront View
Support ModesH Frequency
(kHz)
31.5
31.5
37.9
37.9
46.9
48.4
56.5
60.0
V Frequency(Hz)
70.0
59.9
72.8
60.3
75.0
60.0
70.1
75.0
HPolarity
0
0
0
1
1
0
0
1
VPolarity
1
0
0
1
1
0
0
1
Dot Clock(MHz)
28.322
25.175
31.500
40.000
49.500
65.000
75.000
78.750
NO
1
2
3
4
5
6
7
8
Resolution
720 x 400
640 x 480
640 x 480
800 x 600
800 x 600
1024 x 768
1024 x 768
1024 x 768
Power Switch / LED Indecator
Video Input SignalRecommended signal are shown below
Video SignalVideo level : 0 to 700mVPolarity : positiveVideo Input : RGB separated
Analog levelSync input : H-Sync(TTL level)
V-Sync (TTL level) Waveform
Video input(R.G.B)
--3--
L50S Technical Service Manual
ACTIVE (T4)
Front Porch(T5)
Period (T1)
Sync Width (T2)Back Porch (T3)
ACTIVE (T4)
Front Porch(T5)
Period (T1)
Sync Width (T2)Back Porch (T3)
H-Sync V-Sync
0
1
2
3
4
251
252
253
254
255700mV
0mV
Signal: 256 level gray scale
Linear stepping:(2.73mV ~ 256 Steps)
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Video Input TerminalA 15 Pin D-sub connector is used as the input signal connectorPin and input signals are shown in the table below.
Pin Description
D-Sub miniature connector
SIGNAL PIN NO.
3
2
1
5
4
6
7
8
9
10
11
12
13
14
SEPARATE SYNC/DDC 1/2B
RED
GREEN
BLUE
GND
RETURN
RED GROUND
GREEN GROUND
BLUE GROUND
N.C
LOGIC GROUND
GROUND
SDA
H-SYNC(TTL)
V-SYNC(VCLK)
15 SCL
Connecting with External EquipmentCautionsBe sure to turn off the power of your computer before connecting the monitor.
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L50S Technical Service Manual
LINE OUT
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Theory of Operation1. DC/AC INVERTER
Input voltage : DC 12VInput current : 2.0A(Max)Output current : 6.5mArms(TYP)Frequency(switching) : 47KHz(Typ)Output power : 17W(TYP)On/off control voltage : 5.0V
2. AC/DC ADATORThis display device shall maintain the specified per formances in the range de scribedbelow
Frequency : 50/60HzVoltage : 90 - 264Vac RMS
The following consumption requirments shall be met:Power Consumption : 30W(typ)Current consumption : < 1.0 Aac RMS
Output Specification:output1 : 12V/2.0Aoutput2 : 5V/1.5A
3. Audio SystemThis monitor has a audio system including two micro loudspeakers.Each of two micro loudspeakers has a 2W(Max) output power.This system also supports a headphone(earphone) output.- Auto Signal Input : < 600mVp-p(Max.)- Auto Amplifiers2W+2W Amplifier with DC Volume Control (for two micro loudspeakers)
RL=8 @THD=10% Vcc=14V (min. 10V, max. 18V)Dual-Audio Power Amplifier (for a headphone output)
RL=32 @THD=10% Vcc=4.5V (min. 1.8V, max. 15V)- SpeakerMicro Loudspeaker Spec.
Normal impedance 8 15% at 1.0V 1.5KHzResonance Freq. 550Hz +/- 110Hz at 1.0VFreq. Range fo ~ 20KHzPower Rating Normal 1.0W/Peak 2.0W
4. DPMS MODE
Status
on Pulse Pulse Active
BlankNoPulse
NoPulse
off
Signal PowerConsumption
-
Within 3Sec
RecoveryTime
Orange
LEDIndicator
Green30W(typ)
1W (TYP) 230V AC
H-Sync V-Sync Video
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L50S Technical Service Manual
On Screen Controls & LED IndicatorThe menu for screen setting adjustment is located in the OSD and can be viewed in one of five languages OSD feature andmain funcrions are as follows:
The OSD adjustments available to you are listed below.
The OSD adjustments available to you are listed below.
BRIGHTNESSAdjust the brightness of the screen.
CONTRASTAdjust the contrast of the screen.
COLOR CONTROLColor temperature affects the tint of the image. With lower color temperatures the image turns reddish and with higher temperatures bluish.
There are three color settings available: Mode 1(9300K), Mode 2(6500K) or USER. Withthe USER setting you can set individual values for red, green and blue.
1024x768H:60.0 V:75.0
BRIGHTNESSBRIGHTNESS
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POSITION
H POSITIONAdjusts the horizontal position of the entire screen image.
V POSITIONAdjusts the vertical position of the entire screen image.Adjusts the vertical position of the entire screen image.
CLOCK PHASE
PHASEAdjust the noise of the screen image.
CLOCKAdjust the horizontal size of the entire screen image.
MISCELLANEOUS
RECALL Recall the saved color data.
OSD TIMERYou can set the displayed time of OSD Menu window on the screen by using thisadjustment.
OSD POSITIONAdjust the OSD menu's horizontal or vertical position on the screen.
AUTO COLOROptimum color setting is auto programmed for users convenience.
LANGUAGEYou can select the language in which adjustment menus are displayed. The following languages are available : English, French, German, Italian,Spanish, Swedish, Finnish, Danish, Portuguese, Dutch and Japanese or chinese.
AUDIO
VOLUMEAdjust the audio volume level.
AUDIOThis menu is used to choose audio on or off.
AUTO ADJUSTYou can adjust the shape of screen automatically at the full screen pattern.
--9--
L50S Technical Service Manual
Getting Fine Picture
Step 1. At first Display, a full screen, such as, Window's background or "H" character should be achieved by using Editor (ex: Notepad. exe)
Step 2. Adjust the screen to the center of the Display(LCD), by using the top and bottom display controls. (i.e.Using V-Position Adjust menu)
Step 3. Adjust the screen to the center of the Display(LCD), by using the right and left display controls. (i.e.Using Clock and H-Position adjust menu)
Step 4. Adjust the Clock-phase until the "H" Character displays clear.
Step 5. Using the Contrast. Brightness, and Color Control menu, set the color to your preference.
Step 6. When you finish the adjustment, you can save your settings by pressing on the menu until the OSD screen has disappeared.
Factory Setting & EEPROM Initialization Method
Factory Setting Method- Connect the signal cable and power cable to the LCD monitor.- Press Power switch with pressed MENU key.(Menu key + Power key).- Then, a User can change the factory setting value in OSD menu.- Save changed value and Turn off the power s/w.- Turn on the power, adjust the screen.
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Specification
LCD Module
SIZE 15 Viewable diagonal
Dot Pitch 0.297mm
Brightness
Response Time
170 cd/m2 (MIN), 250 cd/m2 (TYP)
25m- sec (Typ)
InputSignal R.G.B Analog
Connector 15 pin D-SUB Connector
SYNCH-Freq 31.0kHz ~ 60.0kHz
V-Freq 56.0Hz ~ 75Hz
DisplayArea
Color
304(H)X228(V)mm
16.2M Colors
Resolution
Video Bandwidth
User Control&
OSD Control
Contrast,Brightness,H-V Position, Clock Phase,
Color Control, Language, Auto Adjust, Miscellaneous,s
Auto Color, Audio Control
Power Management VESA DPMS Standard
Plug & Play VESA DDC 1/2B
Safety &Regulation
EMC
Ergonomi
Safety
FCC CLASS B , CE , VCCI
TCO99
cULus, CE, TUV-GS, SEMKO
Temperature
30 to 80%(Non-condensing)
5 to 90%(Non-condensing)
packed
Humidity
Operating
Operating
Storage
Storage
5 to 35 C
- 5 to 45 C
Weightunpacked
Dimension(WXHXD mm)
* Specification is subject to change without notice for performance improvement.
3.7Kg
345.6X362X185mm
2.6Kg
1024 X 768 @ 75Hz
80MHz
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L50S Technical Service Manual
Critical Parts Specification1. LCD Module
LTM150XH-L01(M150X3-L01) is a a-si TFT active matrix color liquid crystal comprising amorphous silicon TFT attached to each signal electrode, a driving circuit and a backlight.LTM150XH-L01(M150X3-L01) has a built-in backlight display area contains 1280X1024 pixels and can display full color (16.2M colors)
Display area 304(H)X228(V)mmDrive system a-si TFTDisplay color 16.2M ColorsNumber of Pixel 1024X768Pixel arrangement RGB vertical stripPixel pitch 0.297(H)X0.297(V)mmContrast Ratio* 300:1Viewing angle*
Horizontal: 70 degree, 70 degreeVertical: 55 degree, 60 degree
Response time* 25ms(Typ) Luminance* 250cd/m2(Typ)Signal system Digital RGB signals, Sync signals(H, V-Sync),
Dot clock(DCLK) , DE(Data Enable)Supply voltage 3.3VBacklight Edge light type: Four colt cathode fluorescent lamps power consumption 11W(TYP)
*: only LTM150XH-L01
Vendor
SamSung
Chimei
Type
LTM150XH-L01
M150X3-L01
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Pin Name
A0, A1 N.C.A2 Device Address inputsVss GroundSDA Data I/OSCL Clock inputWP Write ProtectVcc + 5 V or + 3 V
3.0 ABSOLUTE MAXIMUM RATINGS
Storage Temperature................................-65C to + 125CVoltage with Respect to Ground.................-0.3 to + 6.5 VNOTE: These are STRESS rating only. Appropriate conditions for operating these devices given elsewheremay permanently damage the part. Prolonged exposure to maximum ratings may affect device reliability.
4.0 OPERATING CONDITIONSTemperature under bias: MTV24C08/24LC08.......0C to + 70C MTV24C08/24LC08-I.....-40C to + 85C
VCC
WP
SCL
SDA
A0
A1
A2
VSS
1
2
3
4 5
6
7
824C08
or24LC08
TSSOP
VCC
WP
SCL
SDA
A0
A1
A2
VSS
VCC
WP
SCL
SDA
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
1
2
3
4 5
6
7
8
Dual-In-Linepackage
SO package(M8)
24C08or
24LC08
24C08or
24LC08
24LC08
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L50S Technical Service Manual
5.0 ELECTRICAL CHARACTERISTICS DC ELECTRICAL CHARACTERISTICS(Vcc =5V +/- 10% ,MTV24C08/24LC08 FVcc =3V +/- 10% ,24LC08)
MTV24C08/24LC08
24LC08UnitsSymbol Parameter Conditions
Min Max Min Max
ICC1 Operating Current(Program)
SCL = 100KHZCMOS Input Levels
10 8 mA
ICC2 Operating Current(Read)
SCL = 100KHZCMOS Input Levels
2 2 mA
ISB Standby Current SCL = SDA = 0 V 10 10 A IIL Input Leakage VIN = 0 V to VCC -1 +1 -1 +1 A IOL Output Leakage VOUT = 0 V to Vcc -1 +1 -1 +1 A VIL Input Low Voltage -0.1 0.8 -0.1 0.15 VCC V VIH Input High Voltage 2 VCC +0.2 0.8VCC VCC+0.2 V VOL1 Output Low Voltage IOL = 2.1mA TTL 0.4 0.4 V VOH1 Output High Voltage IOH = -400uA TTL 2.4 2.4 V VOL2 Output Low Voltage IOL = 10uA CMOS 0.2 0.2 V VOH2 Output High Voltage IOH = -10uA CMOS VCC-0.2 VCC-0.2 V
VLK VCC Lockout Voltage Programming CommandCan Be Executed Default Default V
6.0 SWITCHING CHACTERISTICS (Under Operating Conditions )
AC ELECTRICAL CHARACTERISTICS(Vcc =5V +/- 10% , MTV24C08 FVcc =3V +/- 10% ,24LC08)(Vcc =5V +/- 10% , MTV24C08 Fast Mode)
MTV24C08/24LC08
MTV24C08(Fast Mode)Parameter Symbol
Min Max Min MaxUnits
Clock frequency Fscl 0 100 400 kHzClock high time Thigh 4000 600 nsClock low time Tlow 4700 1200 nsSDA and SCL rise time Tr 1000 300 nsSDA and SCL fall time Tf 300 300 nsSTART condition hold time Thd:Sta 4000 600 nsSTART condition setup time Tsu:Sta 4700 600 nsData input hold time Thd:Dat 0 0 nsData input setup time Tsu:Dat 250 100 nsSTOP condition setup time Tsu:Sto 4000 600 nsOutput valid from clock Taa 300 3500 100 900 nsBus free time Tbuf 4700 1200 nsData out hold time Tdh 300 50 nsInput filter spike suppression (SDA and SCL pins)
Tsp 100 50 ns
Write cycle time Twr 10 10 ms
--14--
CAPACITANCE TA= 25C , f=250KHZ
Symbol Parameter Max Units CO
UT Output capacitance 5 pF
CIN Input capacitance 5 pF
A. C. Conditions of Test
Input Pulse Levels Vcc x 0.1 to Vcc x 0.9Input Rise and Fall times 10 nsInput and Output Timming level Vcc x 0.5Output Load 1 TTL Gate and CL = 100pf
--15--
L50S Technical Service Manual
FeaturesLow dropout voltageLoad regulation: 0.05% typicalTrimmed current limitOn-chip thermal limitingStandard SOT-223, TO-263, and TO-252 packagesThree-terminal adjustable or fixed 2.5V, 2.85V, 3.3V, 5V
ApplicationsActive SCSI terminatorsHigh efficiency linear regulatorsPost regulators for switching suppliesBattery chargers5V to 3.3V linear regulatorsMotherboard clock supplies
DescriptionThe RC1117 and RC1117-2.5, -2.85, -3.3 and -5 are low dropout three-terminal regulators with 1A output current capability. These devices have been optimized for low voltage where transient response and minimum input voltage are critical. The 2.85V version is designed specifically to be used in Active Terminators for SCSI bus.
Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal limiting provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures.
Unlike PNP type regulators where up to 10% of the output current is wasted as quiescent current, the quiescent current of the RC1117 flows into the load, increasing efficiency.
The RC1117 series regulators are available in the industry-standard SOT-223, TO-263 (D2PAK), and TO-252 (DPAK) power packages.
Typical Applications
VIN = 3.3V VIN VOUT
ADJ
1.5V at 1A
RC1117
10 F 2 2 FR1124
R224.9
VIN = 5V VIN VOUT
GND
2.85V at 1A
RC1117-2.85
10 F+ +
+ +
22 F
VOUT = VREF(1 + R2/R1) + IAdj R2
1A Adjustable/Fixed Low Dropout Linear Regulator
RC1117-3.3
--16--
Pin Assignments
*With package soldered to 0.5 square inch copper area over backside ground plane or internal power plane., JA can vary from 30C/W to more than 50C/W. Other mounting techniques may provide better thermal resistance than 30C/W.
Absolute Maximum Ratings
Parameter Min. Max. Unit
VIN 7.5 V
Operating Junction Temperature Range 0 125 C
Storage Temperature Range -65 150 C
Lead Temperature (Soldering, 10 sec.) 300 C
Front View
4-Lead Plastic SOT-223JC = 15 C/W*
3-Lead Plastic TO-252JC = 3 C/W*
Tab isVOUT
Tab isVOUT
1
ADJ/GND
IN
2 3
3-Lead Plastic TO-263JC = 3 C/W*
Tab isVOUT
1
ADJ/GND
INOUT
2 3
3
2
1
IN
OUT
ADJ/GND
--17--
L50S Technical Service Manual
Electrical CharacteristicsOperating Conditions: VIN 7V, TJ = 25C unless otherwise specified.The denotes specifications which apply over the specified operating temperature range.
Notes:1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are
measured at a constant junction temperature by low duty cycle pulse testing.2. Line and load regulation are guaranteed up to the maximum power dissipation (18W). Power dissipation is determined by
input/output differential and the output current. Guaranteed maximum output power will not be available over the full input/output voltage range.
3. RC1117 only.
Parameter Conditions Min. Typ. Max. Units
Reference Voltage, VREF3 1.5V (VIN - VOUT) 5.75V,
10mA IOUT 1A1.225(-2%)
1.250 1.275(+2%)
V
Output Voltage 10mA IOUT 1ARC1117-2.5, 4V VIN 7VRC1117-2.85, 4.35V VIN 7VRC1117-3.3, 4.8V VIN 7VRC1117-5, 6.5V VIN 7V
2.4502.7933.2344.900
2.52.853.35.0
2.5502.9073.3665.100
VVVV
Line Regulation1,2 (VOUT + 1.5V) VIN 7V, IOUT = 10mA 0.005 0.2 %
Load Regulation1,2 (VIN VOUT) = 2V, 10mA IOUT 1A 0.05 0.5 %
Dropout Voltage VREF = 1%, IOUT = 1A 1.100 1.200 V
Current Limit (VIN VOUT) = 2V 1.1 1.5 A
Adjust Pin Current, IAdj3 35 120 A
Adjust Pin Current Change3 1.5V (VIN VOUT) 5.75,10mA IOUT 1A
0.2 5 A
Minimum Load Current 1.5V (VIN VOUT) 5.75 10 mA
Quiescent Current VIN = VOUT + 1.25V 4 13 mA
Ripple Rejection f = 120Hz, COUT = 22 F Tantalum, (VIN VOUT) = 3V, IOUT = 1A
60 72 dB
Thermal Regulation TA = 25 C, 30ms pulse 0.004 0.02 %/W
Temperature Stability 0.5 %
Long-Term Stability TA = 125 C, 1000hrs. 0.03 1.0 %
RMS Output Noise(% of VOUT)
TA = 25 C, 10Hz f 10kHz 0.003 %
Thermal Resistance, Junction to Case
SOT-223 15 C/W
TO-252, TO-263 3 C/W
Thermal Shutdown Junction Temperature 155 C
Thermal Shutdown Hysteresis
10 C
--18--
FeaturesLow dropout voltageLoad regulation: 0.05% typicalTrimmed current limitOn-chip thermal limitingStandard SOT-223, TO-263, and TO-252 packagesThree-terminal adjustable or fixed 2.5V, 2.85V, 3.3V, 5V
ApplicationsActive SCSI terminatorsHigh efficiency linear regulatorsPost regulators for switching suppliesBattery chargers5V to 3.3V linear regulatorsMotherboard clock supplies
DescriptionThe RC1117 and RC1117-2.5, -2.85, -3.3 and -5 are low dropout three-terminal regulators with 1A output current capability. These devices have been optimized for low voltage where transient response and minimum input voltage are critical. The 2.85V version is designed specifically to be used in Active Terminators for SCSI bus.
Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal limiting provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures.
Unlike PNP type regulators where up to 10% of the output current is wasted as quiescent current, the quiescent current of the RC1117 flows into the load, increasing efficiency.
The RC1117 series regulators are available in the industry-standard SOT-223, TO-263 (D2PAK), and TO-252 (DPAK) power packages.
Typical Applications
VIN = 3.3V VIN VOUT
ADJ
1.5V at 1A
RC1117
10 F 2 2 FR1124
R224.9
VIN = 5V VIN VOUT
GND
2.85V at 1A
RC1117-2.85
10 F+ +
+ +
22 F
VOUT = VREF(1 + R2/R1) + IAdj R2
RC11171A Adjustable/Fixed Low Dropout Linear Regulator
RC1117-2.5
--19--
L50S Technical Service Manual
Pin Assignments
*With package soldered to 0.5 square inch copper area over backside ground plane or internal power plane., JA can vary from 30C/W to more than 50C/W. Other mounting techniques may provide better thermal resistance than 30C/W.
Absolute Maximum Ratings
Parameter Min. Max. Unit
VIN 7.5 V
Operating Junction Temperature Range 0 125 C
Storage Temperature Range -65 150 C
Lead Temperature (Soldering, 10 sec.) 300 C
Front View
4-Lead Plastic SOT-223JC = 15 C/W*
3-Lead Plastic TO-252JC = 3 C/W*
Tab isVOUT
Tab isVOUT
1
ADJ/GND
IN
2 3
3-Lead Plastic TO-263JC = 3 C/W*
Tab isVOUT
1
ADJ/GND
INOUT
2 3
3
2
1
IN
OUT
ADJ/GND
--20--
Electrical CharacteristicsOperating Conditions: VIN 7V, TJ = 25C unless otherwise specified.The denotes specifications which apply over the specified operating temperature range.
Notes:1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are
measured at a constant junction temperature by low duty cycle pulse testing.2. Line and load regulation are guaranteed up to the maximum power dissipation (18W). Power dissipation is determined by
input/output differential and the output current. Guaranteed maximum output power will not be available over the full input/output voltage range.
3. RC1117 only.
Parameter Conditions Min. Typ. Max. Units
Reference Voltage, VREF3 1.5V (VIN - VOUT) 5.75V,
10mA IOUT 1A1.225(-2%)
1.250 1.275(+2%)
V
Output Voltage 10mA IOUT 1ARC1117-2.5, 4V VIN 7VRC1117-2.85, 4.35V VIN 7VRC1117-3.3, 4.8V VIN 7VRC1117-5, 6.5V VIN 7V
2.4502.7933.2344.900
2.52.853.35.0
2.5502.9073.3665.100
VVVV
Line Regulation1,2 (VOUT + 1.5V) VIN 7V, IOUT = 10mA 0.005 0.2 %
Load Regulation1,2 (VIN VOUT) = 2V, 10mA IOUT 1A 0.05 0.5 %
Dropout Voltage VREF = 1%, IOUT = 1A 1.100 1.200 V
Current Limit (VIN VOUT) = 2V 1.1 1.5 A
Adjust Pin Current, IAdj3 35 120 A
Adjust Pin Current Change3 1.5V (VIN VOUT) 5.75,10mA IOUT 1A
0.2 5 A
Minimum Load Current 1.5V (VIN VOUT) 5.75 10 mA
Quiescent Current VIN = VOUT + 1.25V 4 13 mA
Ripple Rejection f = 120Hz, COUT = 22 F Tantalum, (VIN VOUT) = 3V, IOUT = 1A
60 72 dB
Thermal Regulation TA = 25 C, 30ms pulse 0.004 0.02 %/W
Temperature Stability 0.5 %
Long-Term Stability TA = 125 C, 1000hrs. 0.03 1.0 %
RMS Output Noise(% of VOUT)
TA = 25 C, 10Hz f 10kHz 0.003 %
Thermal Resistance, Junction to Case
SOT-223 15 C/W
TO-252, TO-263 3 C/W
Thermal Shutdown Junction Temperature 155 C
Thermal Shutdown Hysteresis
10 C
--21--
L50S Technical Service Manual
MST9011
GENERAL DES CR IPTION
The MST9011 is a high performance, and fully integrated graphics processing IC solution for LCD monitors with resolutions up to XGA. It is configured with an integrated triple-ADC/PLL, a high quality scaling engine, an on-screen display controller, a built-in output clock generator, and LVDS display interface. To further reduce system costs, the MST9011 also integrates intelligent power management control capability for green-mode requirements and spread-spectrum support for EMI management.
FEATUR ES
- High-quality zoom and shrink scaling engine (Compatible with VGA thru XGA)
- Integrated 8-bit triple-ADC/PLL - On-screen display controller (OSD) - Support single-RGB inputs - Support composite sync and SOG separator - Programmable 10-bit gamma correction - Integrated Brightness & Contrast control
adjustment - Support PWM backlit intensity control - Support sRGB - Green PC and low EMI features - Built-in LVDS transmitter - Low standby power mode (< 5mA)
- High-Performance Scaling Engine - Programmable shrink/zoom capabilities - High-quality scaling for all VESA and IBM
mode to fit screen - Variable sharpness control
- Analog RGB Compliant Input Port - Supports up to XGA at 85Hz - Supports Composite Sync and SOG
(Sync-on-Green) separator
- Auto-Detection/Tune - Auto input signal format (SOG, Composite,
Separated HSYNC, VSYNC, and DE), and input mode (all VESA & IBM modes w/ resolution and polarity) detection
- Auto-tuning function including phasing, positioning, offset, gain, and jitter detection
- Smart screen-fitting
- On-Screen OSD Controller - Built-in OSD generator with 226 character
font programmable RAM - Internal OSD rotation degree of 90 and 270 - Gradient color function - Pattern generator for production test - Support OSD MUX and alpha blending
capability
- LVDS Display Interface - Single pixel with max. output LVDS clock
rate of 85 MHz - Support 2 data output formats: Thine & TI
data mappings - Compatible with TIA/EIA - With 6/8 bits options - Reduced swing for LVDS for low EMI - Low power single 3.3V CMOS design - Power-down mode
- External Connection/Component - Built-in DDC circuit
--22--
PIN DIAGRAM
--23--
L50S Technical Service Manual
BA033
Regulator, low drop-out type with ON/OFF switch BAST / BASFP series The BAST and BASFP series are variable, fixed output low drop-out type voltage regulators with an ON/OFF switch. These regulators are used to provide a stabilized output voltage from a fluctuating DC input voltage. Fixed output voltages are 3.3V, 5V, 6V(SFP), 7V, 8V, 9V, 10V(ST), 12V(ST). The maximum current capacity is 1 A for each of the above voltages.
!Application Constant voltage power supply
!!!!Features 1) Built-in overvoltage protection circuit, overcurrent protection circuit and thermal shutdown circuit 2) TO220FP-5, TO252-5 standard packages can be accomodated in wide application.
3) 0 A (design value) circuit current when switch is off 4) Richly diverse lineup. 5) Low minimum I/O voltage differential. !!!!Absolute maximum ratings (Ta=25 C)
Parameter Symbol Limits Unit
Power supply voltage VCC 35 V
Power dissipation Pd2000 *1TO220FP-5
TO252-5 1000 *2 mW
Operating temperature Topr -40~+85 C
Storage temperature Tstg -55~+150 CPeak applied voltage Vsurge 50 *3 V
*1 Reduced by 16mW for each increase in Ta of 1C over 25C.*2 Reduced by 8mW for each increase in Ta of 1C over 25C.*3 Voltage application time : 200 msec. or less
BA033ST / SFP
Parameter Symbol Min. Max. Unit
4.3 25 V
- 1 A
VCC
IO
Input voltage
Output current
BA033ST / SFP (unless otherwise noted, Ta=25 C, Vcc=8 V, Io=500 mA)
Parameter Symbol Min. Typ. Max. Unit ConditionsMeasurement
circuitPower save current
Output voltage
Input stability
Ripple rejection ratio
Load regulation
Temperature coefficient of output voltage
Minimum I/O voltage differential
Bias current
Peak output current
Output short-circuit current
ON mode voltage
OFF mode voltage
Input high level current
VO1 3.13 3.3 3.47 V Fig.1
Reg.I - 20 100 mV Fig.1
R.R. 45 55 - dB eIN=1Vrms, f=120Hz, IO=100mA Fig.2
Reg.L - 50 150 mV IO=5mA 1A Fig.1
TCVO - 0.02 - % / C IO=5mA, Tj=0~125C Fig.1
Vd - 0.3 0.5 V VCC=0.95VO Fig.3
Ib - 2.5 5.0 mA IO=0mA Fig.4
1.0 1.5 - A Tj=25C Fig.1
IOS - 0.4 - A VCC=25V Fig.5
Vth1 2.0 - - V Output Active mode, IO=0mA Fig.6
Vth2 - - 0.8 V Output OFF mode, IO=0mA Fig.6
IIN 100 200 300 A CTL=5V, IO=0mA Fig.6
VCC=4=.3 25V
IST - 0 10 A Fig.4OFF mode
IO
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
(MST 9011)
BLOCK DIAGRAM
24 Mhz
14.318 Mhz
AnalogRGB
MODEL NAME : L50S
WT61P4
MicroController
15"LCDPANEL
L50S
Image Quest Co., Ltd.
Scaler
AUDIO(TDA7496L)
POWER &INVERTER
SPEAKER
LVDS
0
BLOCK DIAGRAMA
Wednesday, May 07, 2003
Title
Size Document Number Rev
Date: Sheet of
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55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
toInverter/power
Q15NLVDS
5V : MIN BRIGHTNESS0V : MAX BRIGHTNESS
Board In Type
DC-DC1 6Friday, April 25, 2003
Title
Size Document Number Rev
Date: Sheet of
Adj/Backlite
12V
On/Inverter
GNDGND
5V5V
onPANEL
GND
VCC5V
GNDGND
VCPU
VCC12V VCC5V
VCC3.3V_PL
VCC3.3V_AV
VCC3.3VD_PL
VCC3.3VD
VLCDVCC5V
VCC2.5VD
GNDGND
GNDGND
U1RC1117/3.3
1
3 2
G
N
DIN VO
C10
0.01uF
C16
22uF/16V
R11K/1608
C17
0.01uF/1608
C110.1uF/1608
CON1
DIP_2.0P1
1234567
C15
0.1uF/1608
U3BA033SFP/TO252-5
1 3
2 4
CTRL GNDIN OUT
C3
open
L10
C4
open
C7
.1u
C14
open
C1100uF/16V
C5
22uF/16V
C2100uF/16V
C6
22uF/16V
C13
0.1uF
C8
22uF/16v
U2RC1117S2.5T
1
3 2
GND
VIN VOUT
C9
0.1uF
C12
22uF/16V
onBACKLITEAdjBACKLITE
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Option
VGA_INPUT
Q15NLVDS
2 6Friday, April 25, 2003
Title
Size Document Number Rev
Date: Sheet of
VSI
HSI
VCPU
D91N4148
U8
24LC21
12345
678 NC
NCNC
GNDSDASCLVCLKVCC
C21 open
R3100
R2647K
R110
R2847K
R6100
C18 0.1uF/1608
D1
KDS226
1 3
2
R9
100
D6
6.2V
R150
C20 0.1uF/1608
C25open
R23 0
R180
C24open
D4
6.2V
R80
C23open
R200
D5
6.2V
R14
100
R21 20
R17
100
R1675
R19
100
R1275
CN1
DSUB-15
162738495
11
12
13
14
1510
C850.1uF/1608
C285pF
R1375
C29220P
R24 100
R50
R20
R29 100
D2
KDS226
1 3
2
D7
6.2V
D3
KDS226
1 3
2
R790
5VVCC
R27open
C19 0.1uF/1608
R25open
C22 0.1uF/1608
R40
C26 0.1uF/1608
R30open
R70
R314.7K
C27 0.1uF/1608
D8
6.2V
R22 0
R100
RIN0
GIN0
BIN0
RIN0M
GIN0M
BIN0M
SOGIN0
ST_DET1
VSYNC0
HSYNC0
ISP_CLK
ISP_DAT
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
MST9011
Q15NLVDS
3 6Friday, April 25, 2003
Title
Size Document Number Rev
Date: Sheet of
LVA7
LVA5
LVA8
LVA4
LVA1LVA0
LVA6
LVA2
INT
HCLKHFS
HWRESETHDATA
GIN0
VSYNC0
RIN0M
HSYNC0BIN0M
RIN0
BIN0
GIN0MSOGIN0
LVA3
LVA9
3.3V_AV
3.3V_PL2.5VD
VCC3.3VD
3.3VD_PL
3.3VD
VCC3.3V_PL 3.3V_PL
3.3VD
VCC3.3V_AV
VCC2.5VD
3.3V_AV
2.5VD
VCC3.3VD_PL 3.3VD_PL
2.5VD
3.3V_AV
L4
0
C52
10uF/16V
C540.1uF/1608
C30
10uF/16V
C38
10uF/16V
U4
MST9011
33
30
3128
32
29
27126127
25262324222021
1281
34679
10121315
373638
40
4142
12143
118117
116115
119120
4445
8081
7879
7677
7475
9697
9293
9091
8889
8687
7071
1
8
3
5
1
6
103
1
2
4
5
5
6
1
7
2
8
2
9
4
1
0
7
1
1
4
5
8
6
4
8
5
1
1
1
1
9
3
4
39
1
7
102
1
2
5
5 1
1
5
6
6
2
7
3
8
3
1
0
6
1
1
3
5
7
6
3
8
4
9
5
1
1
2
122
123
2
464748495051525354
1
4
8
RIN0
GIN0
SOGIN0BIN0
RIN0M
GIN0M
BIN0MHSYNC0VSYNC0
RIN1RIN1MGIN1GIN1MSOGIN1BIN1BIN1MHSYNC1VSYNC1
R+R-G+G-B+B-CK+CK-REXT
REFPRMIDREFM
HFS
HDATAHCLK
HWRESETZINT
DDC1_CLKDDC1_DAT
DDC2_CLKDDC2_DAT
DDCROM_CLKDDCROM_DAT
PWM0PWM1
LVA0PLVA0M
LVA1PLVA1M
LVA2PLVA2M
LVACKPLVACKM
LVB0PLVB0M
LVB1PLVB1M
LVB2PLVB2M
LVBCKPLVBCKM
LVB3PLVB3M
LVA3PLVA3M
A
V
D
D
A
V
D
D
A
V
D
D
_
P
L
L
VPLL
A
V
D
D
_
P
L
L
V
D
D
P
V
D
D
P
V
D
D
P
V
D
D
P
V
D
D
P
V
D
D
P
V
D
D
P
V
D
D
C
V
D
D
C
V
D
D
C
V
D
D
C
A
V
S
S
A
V
S
S
REF_GND
A
V
S
S
_
P
L
L
GPLL
A
V
S
S
_
P
L
L
A
V
S
S
_
D
V
I
A
V
S
S
_
D
V
I
G
N
D
P
G
N
D
P
G
N
D
P
G
N
D
P
G
N
D
P
G
N
D
P
G
N
D
C
G
N
D
C
G
N
D
C
G
N
D
P
G
N
D
C
XIN
XOUT
TESTPIN
VCLKVD0VD1VD2VD3VD4VD5VD6VD7
A
V
D
D
A
V
D
D
R32390 1
Y114.318MHZ
C57
0.1uF/1608
L3
0
L2
0C32
0.1uF/1608
C39
0.1uF/1608
C31
0.1uF/1608
C40
0.1uF/1608
C33
0.1uF/1608
C410.1uF/1608
R33open
C56
10uF/16V
C5822pF
C42 0.1uF/1608
C44
0.1uF/1608
L6
0
C43
10uF/16V
C450.1uF/1608
C5522pF
C480.1uF/1608
R35
0
C490.1uF/1608
R34open
C51
0.1uF/1608C50
0.1uF/1608
L5
0
C34
0.1uF/1608
C53
0.1uF/1608
C35
0.1uF/1608
C470.1uF/1608
C46 0.1uF/1608
C36
0.1uF/1608
C37
0.1uF/1608
AdjBACKLITE
DDC1_CLKDDC1_DAT
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
to KEY PAD
MPU
Q15NLVDS
4 6Friday, April 25, 2003
Title
Size Document Number Rev
Date: Sheet of
LED_GLED_O
VCPU
VCPU
VCPU
VCPU
VCPU
VCPU
VCPU
VCPU
VCPU
VCPUVCPU
R37open
C61
47uF/16V
U6
24C08
1234 5
678A0
A1A2GND SDA
SCLWP
VCC
RN2open
1 2 3 4
5678
R42200
R474.7k
C660.1uF/1608
R404.7K
R66 100
CN2
DIP_2.0P
123456789101112
MENUSELECT
DOWNUP
GNDLED-GLED-O
PWR-SWAUDIO/GL
AUDIO/LAUDIO/RG
AUDIO/R
R5222K
R60 200
R59
470 C670.1uF/1608
R67 100
R36open
C6447uF/16V
R411M
R3810K
C600.1uF
C620.1uF/1608
C72open
R58 470
R61 200
C730.1uF/1608
C70470pF/1608
U5
WT61P4 PLCC
9
10
5
16
2627282930313233
3435363738394043
1112131415
1819202122
24
8
7
23
25
234
1
4142 44
6
17
XTAL1
XTAL2
RESET
INT0/PB.1
PA0/SDA1PA1/SCL1PA.2PA.3PA.4PA.5PA.6PA.7
PD.0PD.1PD.2PD.3PD.4PD.5PD.6PD.7
PB.6/SDA2PB.5/SCL2
PB.4PB.3PB.2
PC.7PC.6PC.5PC.4PC.3
PC.1
V
S
S
V
D
D
5
PC.2
PC.0
PE.2PE.1PE.0
PE.3
HINVIN NC
V
D
D
3
PB.0R50 150
R54
470
R49 100
C680.1uF/1608
C69open
R5510K
R48 150
R53 470
R4310K
R62 1K
R65750
R63 1K
R51 470
R64750
C590.1uF/1608
R46 100
C71open
R454.7K
R444.7K
RN14.7K
1 2 3 4
5678
R398.2K
C6322PF/1608
C6522PF/1608
R56open
R57open
Y224MHZ
Q1
TT2N3904D
3
1
2
INT
VSYNC0
DDC1_DATDDC1_CLK
ST_DET1
VOLUME
MUTE
HDATAonBACKLITE
onPANEL
HFSHCLK
HWRESET
AdjBACKLITE
AUDIO/RR/GNDAUDIO/LL/GND
HSYNC0
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SINGLE LVDS
PANNEL
Q15NLVDSCustom
5 6Friday, April 25, 2003
Title
Size Document Number Rev
Date: Sheet of
LVA[0..9]
RXE3+LVA6
RXE0+LVA0
RXE3-LVA7
RXEC+LVA8RXEC-LVA9
RXE2+LVA4RXE2-LVA5
RXE1+LVA2RXE1-LVA3
RXE0-LVA1
VLCDCON4
CON20
1234567891011121314151617181920
LVA[0..9]
55
4
4
3
3
2
2
1
1
D D
C C
B B
A A
TDA7496L
F
C
D
A
1 5
E
B
4
AUDIO
Q15NLVDS
B
6 6Friday, April 25, 2003
Title
Size Document Number Rev
Date: Sheet of
GND
GND
GND
GND
GND
GND
GND
VCC12V
GND
GND
VCC5V
C76 0.47UF
J1
AUDIOJACK
1
3
5
1
3
5
C80100uF/16V
L11
1608/HB60
L10
1608/HB60
R691K
R781K
R701K
DB
F
CA
E
R771K
J2
PHONEJACK STEREO
1
45
C77 0.47UF
C74
0.1uF
R74 150
C7910uF/16V
10K
R68
C75
47uF/16V
R721K
C830.1uF
R
7
6
O
P
E
N
Q2TT2N3904D
3
1
2
R7510K
C78100uF/16V
1KR73
C84220/10V
C82
0
L7
2012/HH600
R71 150
C81
0
U7
11
12
17
7
15
3
10
5
9
13
21
6
416
14
18
2019
STBY
MUTE
OUTL
VAROUT_R
Vs
GND
SVR
VAROUT_L
INR
GND
GNDGND
VOLUME
INLVs
OUTR
GND
GNDGND
VOLUME
MUTE
AUDIO/R
AUDIO/L
!" #
$
% " &'
() *+
'!,+
$
'!, -
,* #,*.
%, ,.
$
(, *,.
, ,.
, ,.
$
!,' #"
/%&'0
$
L50S BRAND'03.02.27
J.S.KIM
'03.02.27
J.S.WOO
'03.02.27
J.J.LEE
2
4
1
3
1
1
SCREW
SCREW
SCREW
STAND BASE
HINGE CAP R
HINGE CAP L
SCR-MC,MC4X10
SCR-MC,MC4X12
ABS 94 HB
ABS 94 HB
ABS 94 HB
SCR-TT,MC3X6
21
22
25
24
23 62013190
22
62013187
62013186
21
20
19
17
5001000194
5001000208
5004000192
4
1
1
1
1
1
8
1
4
4
1
1
SCREW
STAND FRONT
HINGE ASSY
STAND REAR
CONTROL PCB ASSY
COVER REAR
SCREW
SCREW
PWR-INV. PCB ASSY
PANEL SPACE AU
MAIN PCB ASSY
SPEAKER L/R
SCR-TT,MC3X8
ABS 94 HB
ABS 94 HB
SCR-TT,MC3X10
ABS 94 HB
ABS 94 HB
SCR-MC,BIN+MC3X5
AUO
1
1
1
1
1
1
REMARKQT'Y
LCD M150XN05 AU
MAIN FRAME
LENS LED
KNOB TACT
COVER FRONT
COVER PANEL
PART NAME
PMMA
EGI T=0.8
ABS 94 HB
ABS 94 HB
ABS 94 HB
DESCRIPTION
SCR-MC,BIN+MC3X8SCREW 4
6201318819
17
18
62013189
62013204
16
15
14
12
11
6223087699
88
10
13
66
55
44
33
6201320222
11
PART NONONO
77
5001000666
5001000579
5004000190
6115025100
3010700826
3550100115
5004000197
3610200114
3330500255
61012208
62200857
62152407
62013203
E4208422911
2425
16
18
15
14
1312
20
11
9
23
7
8
10
5
64
3
2
1
18
11
00SN EXPLODED VIEW
1
L
2
KJ
3
4
IHG
5
6
7
8
REV
SHEET
3rd
ANGLE TITLE
A2
SCALE
SIZE DWG NO.
FILE NAME : EXPLODED VIEWK
APPROVED BY
CHECKED BY
J
MDL
REF NO.
DRAWN BY
PLANNED BY
IHG
FEDCA
1
2
B
3
4
FEDC
8
ATAMP 031-2 B
Safety PrecautionGeneral InformationControl DescriptionSupport ModesVideo Input SignalVideo Input TerminalConnecting with External EquipmentTheory of OperationOn Screen Controls & LED IndicatorSpecificationCritical Parts SpecificationBlock DiagramPart List Smasung (Pages 6)Chime(Pages 6)
Schematic Diagram (Pages 6)Wave Form (Pages 5)PCB LayoutSolder SideComponent Side
Exploded View
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