Hitachi 55PD8800TA Service Manual page 38

55PD8800/37LD8800
Power
Power cannot be turned on (LED does not light)
Is the input voltage
applied to Power supply unit ?
(CN61 (1),(3))
AC Fuse Filter PWB
AC inlet
Main switch
(SW PWB)
Yes
Are the voltages
No
applied to CN63(1)pin,
CNPPS(3)(5)(8)(9)pins,and
CNPPD(1)pin of Power
[CN63] (1)+5V
supply unit ?
Power supply unit
[CNPPS] (5)+16V / (9)+10V
[CNPPD] (1)+5V
Yes
Check Subpower PWB
38