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Troubleshooting
Troubleshooting
The flow chart shown below will help you to troubleshoot your Television set with it doesn't display normally. Each procedure
offers a simple way to check for system errors. Before starting, ensure that there is a signal in and that the television is turned on.
All manuals and user guides at all-guides.com
Power LED indictor
has no light
Check CN14 PIN2
and CN15 Pin7=5V
OK
Change IR board
assembly
Power LED only
indictor red light
Check CN15 Pin9=5V
NG
Check U4 Pin54=3.3V
NG
Change main board
assembly
-31-
NG
Change Power
board asembly
OK
Change Q3 or change
IR board assembly
OK
Change Q1 or Q6
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