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Model
KDL-22EX320 KDL-22EX325 KDL-24EX320 KDL-24EX325 KDL-26EX320 KDL-26EX321 KDL-26EX325 KDL-32EX425 KDL-32EX523 KDL-32EX524 KDL-32EX525 KDL-37EX521 KDL-37EX524 KDL-37EX525 KDL-40EX523 KDL-40EX524 KDL-40EX525 KDL-46EX520 KDL
Pages
85
Size
8.76 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / S/N RANGE 6,000,001 - 6,999,999
File
kdl-22ex320-kdl-22ex325-kdl-24ex320-kdl-24ex325-kd.pdf
Date
PREV: Sony KDL-32EX421 / KDL-32EX425 / KDL-32EX520 / KDL-32EX521 / KDL-32EX523 / KDL-32EX524 / KDL-32EX525 / KDL-37EX521 / KDL-37EX524 / KDL-37EX525 / KDL-40EX520 / KDL-40EX521 / KDL-40EX523 / KDL-40EX524 / KDL-40EX525 / KDL-46EX520 / KDL-46EX521 / KDL-46EX524 / KDL Service Manual

Sony KDL-22EX320 / KDL-22EX325 / KDL-24EX320 / KDL-24EX325 / KDL-26EX320 / KDL-26EX321 / KDL-26EX325 / KDL-32EX425 / KDL-32EX523 / KDL-32EX524 / KDL-32EX525 / KDL-37EX521 / KDL-37EX524 / KDL-37EX525 / KDL-40EX523 / KDL-40EX524 / KDL-40EX525 / KDL-46EX520 / KDL Service Manual ▷ View online

KDL-22/24/26/32/37/40/46EX320,321,325,425,520,521,523,524,525(AEP/UK/RUSS)
49
1) 2 times blinking (Main Power Error)
TROUBLE SHOOTING
3-4. STANDBY LED BLINK
2 times blinking
Check REG12V at
pins 2/3 of
CN6001 on
the B* Board
B* Board
Harness
G* Board
Replace
Between G* Board to
B* Board Harness
12V NG
12V OK
NG
OK
KDL-22/24/26/32/37/40/46EX320,321,325,425,520,521,523,524,525(AEP/UK/RUSS)
50
TROUBLE SHOOTING
2) 3 times blinking (DC Alert, Audio Error and Communication Error)
3 times blinking
Check D+1.2V at
pin 14 of IC6005
on the B* Board
F6001,IC6005,etc
(B* Board)
Speaker
Check +3.3V_MAIN
at pins 9/10 of CN9003
on the B* Board
Check
Speaker Impedance
at SP Connector
F6003,IC6003,etc
(B* Board)
Check AUDIO+12.5V
at pin 8/9 of
CN6001 on
the B* Board
G* Board
Check +12.5V
at F4601 on
the B* Board
F4601,IC4601,etc
(B* Board)
IC4601,etc
(B* Board)
DC_ALERT
NG
OK
AUDIO
AUDIO
FE/BE Communication
NG
OK
NG
OK
NG
OK
NG
OK
KDL-22/24/26/32/37/40/46EX320,321,325,425,520,521,523,524,525(AEP/UK/RUSS)
51
TROUBLE SHOOTING
3) 5 times blinking (T-con Error)
5-time blinking
Check PANEL_VCC
at pin 1 of
CN6001 on
on the B* Board
G* Board
Replace the Harness 
Between G* and Panel
(a)
Replace
the LVDS Harness
Panel (T-con)
change
B* Board
Harness
LVDS Harness
Panel (T-con)
about 5V : 22” Model
about 12V : ex. 22” Model
(a) exclude 60Hz Panel Model
NG
OK
NG
Symptom 
improvement
Symptom 
improvement
Symptom 
improvement
NG
NG
RGB sensor Change
RGB Sensor
(b) Only for Y* Models
Symptom 
improvement
KDL-22/24/26/32/37/40/46EX320,321,325,425,520,521,523,524,525(AEP/UK/RUSS)
52
TROUBLE SHOOTING
4) 6 times blinking (Backlight Error)
6-time blinking
Check
BL_ERR at
pin 7 of CN6002
on the B* Board
B* Board
Under 2.65V
G* board
NG
Over 2.65V
Symptom 
improvement
Change G* Board
Panel 
Page of 85
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