DOWNLOAD Sony KLV-26S550A / KLV-32S550A / KLV-37S550A Service Manual ↓ Size: 3.02 MB | Pages: 42 in PDF or view online for FREE

Model
KLV-26S550A KLV-32S550A KLV-37S550A
Pages
42
Size
3.02 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-26s550a-klv-32s550a-klv-37s550a.pdf
Date
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Sony KLV-26S550A / KLV-32S550A / KLV-37S550A Service Manual ▷ View online

KLV-26/32/37S550A (CH)     2-3
4) 8 times Blinkings
2-4. NO PICTURE
NO
Replace (OK)
Finish
8 times blinkings
Check BT2 Board
PANEL Module
OK
NO
BT2 Board
No PICRURE
Set correctly
or
reset by menu
All inpu
 have problem ?
NO
BT2 Board
or
GT3 Board
or
POWER UNIT (G4)
Backlight on ?
OK
NO
UI of some picture
setting correct ?
LVDS harness connection
or
BT2 Board
or
PANEL
OK
KLV-26/32/37S550A (CH)     2-4
2-5. NO SOUND
OK
NO
BT2 Board
No SOUND
Set correctly or
reset by menu
Only speaker out ?
NO
GT3 Board
POWER UNIT (GT4)
Check AUDIO_VCC*
at 1/2pin of CN7000
on the BT2 board
*: KLV-26/32S550A/13.0V
   KLV-37S550A/15.0V
OK
NO
UI of audio setting
correct ?
Volume, TV speaker
BT2 Board
or
SPEAKER
OK
KLV-26/32/37S550A (CH)     2-5E
2-6. GT3 BOARD
GT3 Board OK
NO
OK
Check CN6202
Pin 11: 5.8V
Pin 12: 5.8V
YES
Connect pin 12and pin 13
(CN6202)
Remove connector
from GT3 Board
1. CN6201
2. CN6202
Turn on AC Power 
Check voltage
CN6202/pin 1: 12V
CN6202/pin 9: 14.9V
CN6201/pin 1: 23.8V
Voltage match
Voltage match
GT3 Board NG
13
12
11
10
9
8
7
6
5
4
3
2
1
POWER_ON
AC_ON/OFF
STBY5.8v
AU_VCC
AU_VCC
AU_GND
AU_GND
GND
GND
GND
REG12V
REG12V
REG12V
CN6202
13P
< GT3 BOARD >
NO
KLV-26/32/37S550A (CH)     3-1
3-1.
BLOCK DIAGRAM
SECTION 3
DIAGRAMS
PANEL
Conventional
Backlight
Video 1
SWF
SWF
TV-TUNER
FM
MIX
LOC TOP
LVDS
TDA15XX
YCbCr/Yuv1
CVBS/Y
C
L
R
FM_SIF
Tuner_SIF
ECS
UART1
POWER
NVM
EEPROM
128kbit
H1 Board
Key
LED
SIRCS
POWER
Board
Chroma Dec
2D Comb
IP
Scalar
Micro
Sound DSP
OUT_L
OUT_R
SP
TDA7491HV
PC
H/V Sync
HDMI 1
RGB
HDMI
HDMI 2
L
R
6dB
AMP
SW Board
I2C
PIP in
D-AMP
BT2 Board
CVBS2
IN2L/R
IN3L/R
VIDOUTS
OUTS2L/R
SIF
VIF
MAINOUTL
MAINOUTR
MAINVIDOUT
SMIC
TDA8891H
IN4L/R
IN7L/R
CVBS5
IN5L/R
CVBS4
IF Demodulator
AV SW
VIDOUTS1
CVBS3
Sub chroma PIP
Tuner_SIF
DSPIN_L
DSPIN_R
UART2
HP
Hotel
For Tuner monitor out
Y signal only
For Component WSS/ID1
Video 2
(Side Jack)
Monitor Out
Hook up
 circuit
EEPROM
EDID
Component
PC Audio In
EEPROM
EDID
Audio In
HDMI
 EQ
Temp
Sensor
FLASH
EEPROM
1Mbyte
Memory
DDR
128Mbit
EEPROM
EDID
USB
Micro
USB
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