Repair Flow Chart - RCA L26WD23 Service Manual

26'' LCD TV

6. Repair Flow Chart

1. No Power (No LED indicator)
Check power cord and board interface
OK
Check F901, BD901, D902
OK
Check IC903, D918
OK
Check Q914，IC901，Q901
OK
Check D925, Q925， Q924， Q910
OK
Check IC902，Q902
OK
Check D931， D932， D910， IC931
2. Can not start (LED indicator yellow)
Check key board
OK
Check 5V_SB
OK
Check PWR_ON signal
OK
Check RELAY-SW signal
OK
Check main board power supply part
OK
Check U401, U404
OK
2
Check I C communication
NG
NG
Replace F901 or BD901 or D902
NG
Replace IC903 or D918
NG
Replace Q914，IC 901，Q901
NG
NG
Replace IC902，Q902
NG
NG
Repair the key board
NG
Return to "1"
Check U905, Q906, Q907
NG
Check I
NG
Replace Q913, Q914
NG
Replace U401 or U404
Plug in power cord and interface
Replace D925 or Q925，Q924，Q910
Check D931，D932，D910，IC931
NG
2
C communication
21
RCA L26WD23
Replace U905 or Q906 or Q907