Change
Mainboard
No
Change
Mainboard
Yes
Check LD22(3.3V)
Change UD8
No
Yes
Check Q101(3.3V)
Change Q101
No
Yes
Check C138(1.15V)
Check CD85(1.5V)
Check R603(3.3)
Change U107
Change UD7
Change Q101
No
Yes
Change mainchip
U201
No
Change
Mainboard
Still
having
problems
No sound No picture NO LED indicate
Check PD15(24V)
Check PD3(12V)
Yes
No
Change Mainboard
S
ervice M
a
nu
a
l
Model No.:
- 54 -