Operating instructions

32″W LCD TV WDE SK-32H635S
19
5. Repair Flow Chart
No Power (No LED indicator)
Can not start (No LED indicator)
NG
Check power cord and board interface
Plug in power cord and interface
OK
Check F901, BD901, C907
NG
Replace F901 or BD901 or C907
OK
Check IC931, Q931
Check D935, C926, C928
NG
Replace IC931, Q931
OK
Check T931
OK
Replace T931
Replace D935 or C926 or C928
NG
NG
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 U411
,
Q702
,
Q701
NG
Replace U411 or Q702 or
Q701
Check I
2
C communication
OK
Check U401
,
U402
NG
Re
p
lace the main board
OK
OK
Check main board
p
ower su
pp
l
y
p
art
Check ke
y
board
Check I
2
C communication
OK
Check 3.3V SB
NG
Check U706