HISTORY Model Name: KDL-22/26/32BX300 KDL-40BX400 SERVICE MANUAL Click on Page Number to display details of change Date Part Number Description of Revisions Version 2010.02 9-883-484-01 Original Manual 1.0 2010.06 9-883-484-02 Part number changes (BAA Board) P18, P19. P20, P21 2.0
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HISTORYModel Name: KDL-22/26/32BX300 KDL-40BX400 SERVICE MANUAL
Click on Page Number to display details of change
Date Part Number Description of Revisions Version2010.02 9-883-484-01 Original Manual 1.0
2010.06 9-883-484-02Part number changes (BAA Board) P18, P19. P20, P21
2.0
- 1 -
SERVICE MANUAL AZ1-A(5-2) CHASSIS
RM-GA019
MODEL DEST MODEL DEST
KLV-22BX300 RUSS
KLV-26BX300 RUSS
KLV-32BX300 RUSS
KLV-40BX400 RUSS
– 2 –
KLV-22, 26, 32 BX300, 40 BX400RM-GA019
TABLE OF CONTENTS
1. SAFETY NOTES1-1. Caution Handling of LCD Panel ..................................... 31-2. Safety Check Out ............................................................. 31-3. Leakage Test .................................................................... 31-4. WARNING ! .................................................................... 31-5. Lead Free Information ..................................................... 41-6. Attachment & Detachment of MDF61 Connector ......... 41-7. Attachment, Detachment & Confirmation of Lock
Condition of JST IBH Connector .................................... 4
2. SELF DIAGNOSTIC FUNCTION2-1. Overview of Control Buttons .......................................... 52-2. LED Display Specification .............................................. 52-3. LED Display Control ....................................................... 52-4. LED Pattern ..................................................................... 52-5. Standby LED Error Display and Board
Replacement Order .......................................................... 62-6. Triage Chart ..................................................................... 7
3. TROUBLE SHOOTING3-1. Flowchart ......................................................................... 83-1-1. No Power ....................................................................... 83-1-2. Video Problem ............................................................... 93-1-3. Audio Problem .............................................................. 9
4. SERVICE ADJUSTMENTS4-1. Accessing Self Diagnostic Menu .................................. 104-2. Accessing Service Mode ............................................... 104-3. GAISOU Adjustment .................................................... 10
6-2. Other Parts ..................................................................... 226-2-1. KLV-22BX300 .................................................... 226-2-2. KLV-26BX300 .................................................... 226-2-3. KLV-32BX300 .................................................... 236-2-4. KLV-40BX400 .................................................... 24
– 3 –
KLV-22, 26, 32 BX300, 40 BX400RM-GA019
1-1. Caution Handling of LCD PanelWhen installing the LCD Panel, make sure you are groundedwith a wrist band.When installing the LCD Panel on the wall, the panel must besecured using the 4 mounting holes on the rear cover.
1) Do not press the panel or frame edge to avoid the risk ofelectric shock.2) Do not scratch or press on the panel with any sharpobjects.3) Do not leave the module in high temperature or in areas ofhigh humidity for an extended period of time.4) Do not expose the LCD panel to direct sunlight.5) Avoid contact with water. It may cause short circuit withinthe module.6) Disconnect the AC adapter when replacing the backlight(CCFL) or inverter circuit. (High voltage occurs at the invertercircuit at 650Vrms)7) Always clean the LCD panel with a soft cloth material.8) Use care when handling the wires or connectors of theinverter circuit. Damaging the wires may cause a short circuit.9) Protect the panel from ESD to avoid damaging the elec-tronic circuit (C-MOS).
1-2. Safety Check-OutAfter correcting the original service problem, perform thefollowing safety checks before releasing the set to thecustomer:-
1) Check the area of your repair for unsoldered or poorlysoldered connections. Check the entire board surface forsolder splashes and bridges.2) Check the interboard wiring to ensure that no wires are"pinched" or contact high-wattage resistors.3)Check all control knobs, shields, covers, ground straps andmounting hardware have been replaced. Be absolutely certainyou have replaced all the insulators.4) Look for unauthorized replacement parts, particularlytransistors that were installed during a previous repair. Pointthem out to the customer and recommend their replacement.5) Look for parts which, though functioning show obvioussigns of deterioration. Point them out to the customer andrecommend their replacement.6) Check the line cords for cracks and abrasion.Recommend the replacement of any such line cord to thecustomer.7) Check the antenna terminals, metal trim, "metallized"knobs, screws and all other exposed metal parts for ACleakage. Check leakage test as described next.8) Live chassis can cause electric shock as itsconnected to the AC power line. Therefore, useisolation transformer and gloves when changing partsor removing plug. Please remember high voltage isthere during servicing.9) To follow safety after servicing, please make surethe removed screws, parts and wires are as originalcondition.
1-3. Leakage TestThe AC leakage from any exposed metal part to earthground and from all exposed metal parts to any exposedmetal part having a return to chassis must not exceed 0.5mA(500 microamperes). Leakage current can be measured byany one of the three methods:-1. A commercial leakage tester such as the SIMPSON 229 orRCA WT-540A. Follow the manufacturers instructions to usethose instructions.2. A battery-operated AC milliampmeter. The DATAPRECISION 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resistor by means ofa VOM or battery operated AC voltmeter. The 'limit' indicationis 0.75V so analog meters must have an accurate low voltagescale. The SIMPSON'S 250 and SANWA SH-63TRD areexamples of passive VOMs that are suitable. Nearly all batteryoperated digital multimeters that have a 2 VAC range aresuitable. (see Figure 1.)
1.5 k0.15 μFACVoltmeter(0.75 V)
To Exposed MetalParts on Set
Earth Ground
SECTION 1SAFETY NOTES
Figure 1. AC voltmeter to check AC leakage
1-4. WARNING !
SAFETY-RELATED COMPONENT WARNING!COMPONENTS IDENTIFIED BY SHADING AND MARK !ON THE EXPLODED VIEWS ARE CRITICAL FOR SAFEOPERATION. REPLACE THESE COMPONENTS WITHSONY PARTS WHOSE PART NUMBERS APPEAR ASSHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARECRITICAL FOR SAFE OPERATION ARE IDENTIFIED INTHIS MANUAL. FOLLOW THESE PROCEDURESWHENEVER CRITICAL COMPONENTS ARE REPLACEDOR IMPROPER OPERATION IS SUSPECTED.
– 4 –
KLV-22, 26, 32 BX300, 40 BX400RM-GA019
1-5. Lead Free InformationThe circuit boards used in these models have been processedusing Lead Free Solder. The boards are identified by the LFlogo located close to the board designation.
The servicing of these boards requires special precautions. Itis strongly recommended to use Lead Free Solder material inorder to guarantee optimal quality of new solder joints. LeadFree Solder is available under the following part numbers:-
Due to high melting point of Lead Free Solder, the solderingiron tip temperature needs to be set to 370 degreescentigrade. This requires soldering equipment capable ofaccurate temperature control coupled with a good heatrecovery characteristics.
For more information on the use of Lead Free Solder,please refer to http://www.sony-training.com
1-6. Attachment & Detachment of MDF61 Connector(If applicable for these models)
a) Insertion
rebmuntraP retemaiD skrameR
91-500-046- mm
m
m
m
m
m
m
m
3.0 Kg52.0
02-500-046-7 m4.0 Kg05.0
12-500-046-7 m5.0 Kg05.0
22-500-046-7 m6.0 Kg52.0
32-500-046-7 m8.0 Kg00.1
42-500-046-7 m0.1 Kg00.1
52-500-046-7 m2.1 Kg00.1
62-500-046-7 m6.1 Kg00.1
7
Figure 2: LF logo
Figure 3: LF logo on circuit board
(1) Hold the center of a connector.
(2) Press the center of the connector to insert it.
(3) Slide the slider to lock the connector.
Lock
b) Detachment
(1) Slide the slider to release the slider lock.
(2) Press the center lock tab to release the lock and pull the connector up.
Unlock
1-7. Attachment, Detachment & Confirmation of LockCondition of JST IBH Connector(If applicable for these models)
Attention: This is a SAFETY CRITICAL PROCESS.
a) Attachment
(1) Press the center of the connector to insert it.
Figure B: Do not press thefront side of theconnector.
Figure C: Do not press the sideof the connector.
– 5 –
KLV-22, 26, 32 BX300, 40 BX400RM-GA019
SECTION 2SELF DIAGNOSTIC FUNCTION
2-4. LED PatternWhen safety shutdown occurs, Standby LED display reports thecause by using the lightning patterns as indicated below.
Example:
The figure above shows LED display whenSHUTDOWN is caused by Balancer Error. It repeatsflashing for a specified number of times in 0.5sec/cycle and has a 3 seconds interval of lighting off.Please note that a 3 seconds interval of lighting offis fixed regardless of abnormal state types.
2-1. Overview of Control Buttons
2-2. LED Display Specification
2-3. LED Display Control
PROG
Power
Program
Volume
Input Select/Enter
Menu
RemoteSensor
PictureTimer
Off/StandbyIndicator
PowerIndicator
3.0 sec 3.0 sec 3.0 sec0.5 sec
0.5 sec
LED Typ e Description Remark
StatusLED Display
PowerRemark
POWER Green: LED Green lights at power ON.
STANDB
Timer/Pic off
Y Red: One LED Red lights during standby.
Orange/Green : Two LEDs
Green Lights during PictureOff and Orange Lights duringTimer activation.
Power On Green Off Off
Off
Off
Standby Off
Off
Red
Red
Green Off
Self Diagnosis
Orange
Red Off Orange
Error of panel ID
Others (Example)
[REC][Sleep Timer][Power ON]
Red Off Green[Picture Off ][On Timer][REC][Power On]
Refer to Blinking pattern selfdiagnosis mode
0.5sec On / 0.5sec Off
Stand By Pic Off/Connecting/Timer
– 6 –
KLV-22, 26, 32 BX300, 40 BX400RM-GA019
Blinking times Error Countermeasure(Replace either/all according to sequence)
2 Main Power Error 1. GD1 (22”), POWER UNIT(G1LS) (26"), G2LE (32”),G2HE (40”)
Tuning System <[Auto]> No_Signal_Mute <[Off]> Serial Number Edit Self Diagnosis History >> LVDS Spectrum (%) <[10]> Low of HPD <[5]> VCR1 <[off]> GAISOU <[0]>
Service Mode Status Information >> Test Reset <[Off]> Tuning System <[Auto]> No_Signal_Mute <[Off]> Serial Number Edit Self Diagnosis History >> LVDS Spectrum (%) <[10]> Low of HPD <[5]>
Main Micro SW Version TM0.341.012 NVM Version TD0.341 Boot Version TB0.341 Panel Version MT0000.000.0030.LTFlash PQ Version AQ Version AQ0.003
Chassis Service000 Model002 Gaisou 00
GAISOU Menu Sample
Tuning System <[Auto]> No_Signal_Mute <[Off]> Serial Number Edit Self Diagnosis History >> LVDS Spectrum (%) <[10]> Low of HPD <[5]> VCR1 <[off]> GAISOU <[0]>
Service Mode Status Information >> Test Reset <[Off]> Tuning System <[Auto]> No_Signal_Mute <[Off]> Serial Number Edit Self Diagnosis History >> LVDS Spectrum (%) <[10]> Low of HPD <[5]> VCR1 <[off]> GAISOU <[0]>
– 11 –
KLV-22, 26, 32 BX300, 40 BX400RM-GA019
SECTION 5DIAGRAMS
5-1.
BL
OC
K D
IAG
RA
M5-
1-1.
KLV
-22,
26,
32
BX
300
LPF
LPF
Con
tro
I/O
IF_I
n
MT
5388
BG
A
CV
BS
Out
x 2
ch
CVBSIn x 4ch
AudioIn x 7ch
YUVIn x 2ch
RGBIn x 1ch
TMDSIn x 3ch
Audioout x 2ch
MemoryI/F
DualCh LVDS
CV
BS
Out
SW S
W
In L/RC
VB
S In
PD
D0~
7
Tu
I2C
SA
W(3
8Mz)
Tun
er
NA
ND
FLA
SH
64M
Byt
e
Con
vent
iona
l IN
VE
RT
ER
CC
FL
PA
NE
L8b
it
(WX
GA
)
Line
outPW
M
16B
it
PW
M
TP
A31
10D
2
NJM
2779
AM
P
SIR
CS
LED
LED
JTA
GH
otel
UA
RT
EC
S
ST
BY
UA
RT
0
SIR
CS
M_I
2C
RG
BA
mbi
ent
sens
or
Mai
nN
VM
16K
Byt
e
Tem
pS
enso
rU
SB
1
HD
MI2
ED
ID
D+/
D-
DD
C0
HD
MI2
HD
MI1
ED
ID
TM
DS
2
DD
C2
DC
C
PC
/HD
MI2
L/R
HD
MI1
PC
ED
IDR
GB
HV
PC
/HD
MI3
L/R
TM
DS
0
Vid
eo 1
MO
N O
ut
Vid
eo 1
/Mon
L/R
Vid
eo 2
Vid
eo 2
L/R
Com
pone
nt 1
/Vid
eo3
Com
p1/V
ideo
3L/
R
PC
CV
BS
1/M
on
Vid
eo1/
Mon
L/R
CV
BS
2
Vid
eo2
L/R
Yuv
1/C
VB
S3
Com
p1/V
ideo
3 L/
R
Mem
ory
DD
R2
32M
bx16
bits
Sin
gle
Cha
nnel
8bi
t
PA
NE
L_12
C
– 12 –
KLV-22, 26, 32 BX300, 40 BX400RM-GA019
5-1-
2.K
LV-4
0BX
400
Vid
eo 1
MO
N O
utV
ideo
1/M
onL/
R
Vid
eo 2
Vid
eo 2
L/R
Com
pone
nt 1
/Vid
eo3
Com
p1/V
ideo
3L/
R
PC
DC
C
PC
/HD
MI2
L/R
HD
MI1
PC
ED
IDR
GB
HV
PC
/HD
MI3
L/R
TM
DS
0
DD
C0
HD
MI2
US
B1
HD
MI1
ED
ID
HD
MI2
ED
ID
TM
DS
2
DD
C2
M_I
2C
RG
BA
mbi
ent
sens
or
Tem
pS
enso
r
SIR
CS
LED
Line
out
LPF
LPF
PW
M
16B
it
16B
it
Con
tro
I/O
IF_I
n
MT
5388
BG
A
PD
D0~
7
Odd
Cha
nnel
8bi
t
Con
vent
iona
l IN
VE
RT
ER
CC
FL
PA
NE
L8b
it
(FH
D)
Eve
Cha
nnel
8bi
t
Mem
ory
Mem
ory
DD
R2
32M
x16b
its
Tu
I2C
SA
W(3
8Mz)
Tun
erC
VB
S O
ut
SW S
W
In L/R
CV
BS
1/M
on
Vid
eo1/
Mon
L/R
CV
BS
2
Vid
eo2
L/R
Yuv
1/C
VB
S3
Com
p1/V
ideo
3 L/
R
CV
BS
In
NA
ND
FLA
SH
64M
Byt
e
CV
BS
Out
x 2
ch
CVBSIn x 4ch
AudioIn x 7ch
YUVIn x 2ch
RGBIn x 1ch
TMDSIn x 3ch
Audioout x 2ch
MemoryI/F
DualCh LVDS
PW
M
TP
A31
10D
2
NJM
2779
AM
P
LED
JTA
GH
otel
UA
RT
EC
S
ST
BY
UA
RT
0
SIR
CS
D+
/D-
PA
NE
L_12
C
– 13 –
KLV-22, 26, 32 BX300, 40 BX400RM-GA019
5-2. WIRE DRESSING AND CONNECTOR DIAGRAM
CAUTION :1. Do not overpull the wires during dressing
--> avoid disconnection of wires.2. Make sure wires are kept away from