LC-32LE345T
6 – 1
CHAPTER 6. TROUBLESHOOTING
TABLE
[1] TROUBLESHOOTING TABLE
Power Supply Trouble
The TV set can not power on
(No Power Supply)
Check Pin9&Pin 10 of CN4 for 12V
Check if the Power Board is OK
1. Check E5 for 5V
2.ChecktheoutofQ5for5V
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
Change Main PWB
OK
OK
NG
NG
Display Trouble (abnomal screen)
Abnormal Screen
Check if the LVDS cable is right and if well
connected with the board
1. Reconnect the cable
2. Change the LVDS cable
Check if the LCD panel is OK
Check if between the LVDS jack and U6
are well soldered
Change panel
Repair/touch up the damage circuit
OK
OK
OK
OK
NG
NG
NG
Change Main PWB
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