26’’ LCD TV Envision L26W761
21
2. Can not start (LED indicator yellow)
NG
Re
air the ke
board
OK
Check 5V SB
NG
Return to “1”
OK
Check PWR ON si
nal
NG
Check U905
Q906
0907
NG
Re
lace U905 or Q906 or Q907
Check I
C communication
OK
Check RELAY-SW si
nal
NG
Re
lace Q910
Q912
Check U401
NG
Re
lace U401
OK
OK
Check main board
ower su
l
art
Check ke
board
OK
Check I
C communication
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