KDL-42/47R500A(CH)
31
2)
5.<+*
3 times blinking (Main Board Error)
5.<+
3-time blinking
5F3 8
< ?87"
1#%
~
H
Check PWM_5V at L202 pin-2
on Main board
(4.75~5.25V)
=GL2-3
U202, L202, etc Change Main board
2-*&$
Change Speaker
5F3 8
<?8
7"%
~
H
Check SYS_3.3V at U204_Pin-6
on Main Board (3.135~3.465V)
5F*&$)?
H8I+
Check the speaker Impedance
at the SP Connector
(8ohm+/-15%)
=GL2-3
U204, etc Change Main board
6;JKBC=GL2-3
Demo, Audio, Tuner, etc
Change Main board
947"(',@
DC_ALERT
NG
OK
NG
OK
JK
AUDIO
NG
OK
:A3!*&$
H8D/.>
Check the harness M/B to
Speaker connection
NG
OK
E0D/.>
Fix the harness
connection
(
TROUBLE SHOOTING
)
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 ...