KDL-42/47R500A(CH)
30
1)
5.<+0-
2 times blinking (Main Power Error)
(
TROUBLE SHOOTING
)
3-2.
STANDBY LED BLINK
9$#62=?
Harness issue
("0-*
Change PSU
OK
1/)%
Symptom improvement
<2.6V
("*
Change Main board
("*
Change Main board
5.<+
2-time blinking
,;* 2
47 20
'!
~
>
Check REG+12V at
CN201_Pin-3/8 on
Main board
(11.8~13.2V)
("0-**
>29$#6
Replace the harness between
PSU and Main board
NG
NG
,;* 2
4720
Check PSU_EN# at CN201_Pin-6
on Main board
>=2.6V
380-**
>29$#6
Check the harness PSU to M/B
connection
NG
OK
:&9$#6
Fix the harness
connection
OK
Summary of Contents for KDL-50R550A
Page 2: ...SERVICE MANUAL LCD Digital Color TV 9 888 526 01 RB1FK CHASSIS Segment BL ...
Page 38: ...KDL 50R550A 556A 60R520A 550A 70R550A CH 38 SEC 4 DIAGRAMS 4 1 BLOCK DIAGRAM ...
Page 45: ...45 KDL 50R550A 556A 60R520A 550A 70R550A CH 4 UNLOCK SCREWS 50 60 70 APPENDIX 1 ...
Page 49: ...49 KDL 50R550A 556A 60R520A 550A 70R550A CH 1 KDL 50R550A 556A HOOK POSITION APPENDIX 1 ...
Page 51: ...51 KDL 50R550A 556A 60R520A 550A 70R550A CH 2 KDL 60R520A 550A APPENDIX 1 HOOK POSITION ...
Page 53: ...53 KDL 50R550A 556A 60R520A 550A 70R550A CH 3 KDL 70R550A APPENDIX 1 HOOK POSITION ...