Sharp LC-42LB261U - Repair Flow Chart

32″&42″&50″LCD TV Best Buy LC-32LB261U- LC-42LB261U- LC-50LB261U
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5. Repair Flow Chart
1. No power
No power (LED “Off”)
Check the AC input and
the
p
ower is “ON”?
Power “On”
Check the IR board and LED
Replace the IR board
Replace the main board
Power board
out
p
ut=12V
,
5V?
Replace the power board
No
Yes
No
Yes
No