Operating instructions

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