Haier LE42U6500TF Service Manual page 44

No sound No picture NO LED indicate
Check PD15(24V)
Yes
Check PD3(12V)
Yes
Check LD22(3.3V)
Yes
Check Q101(3.3V)
Yes
Check C138(1.15V)
Check CD85(1.5V)
Check R603(3.3)
Yes
Change mainchip
U201
No
Change Mainboard
No
Change Mainboard
No
Change UD8
No
Change Q101
Change U107
No
Change UD7
Change Q101
No
Change Mainboard
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Service Manual
Model No.:
Still having problems
Change
Mainboard