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LC-32LE345M
CHAPTER 6.
TROUBLESHOOTING
TABLE
[1] TROUBLESHOOTING TABLE
Power Supply Trouble
The TV set can not power on
Check Pin9&Pin 10 of CN4 for 12V
1. Check E5 for 5V
2. Check the out of Q5 for 5V
3. Check U1 U4 for 3.3V
4. Check E1 for 1.8V
5. Check E2 for 1.3V
6. Check D3 for 2.5V
Display Trouble( Abnormal screen)
Check if the LVDS cable is right and if well
connected with the board
Check if the LCD panel is OK
Check if between the LVDS jack and U6
(No Power Supply)
OK
OK
Abnormal Screen
OK
OK
OK
are well soldered
OK
Change Main PWB
NG
Check if the Power Board is OK
NG
Change Main PWB
NG
1. Reconnect the cable
2. Change the LVDS cable
NG
Change panel
NG
Repair/touch up the damage circuit
6 – 1
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