Hitachi 42PD7200 Service Manual page 28

Power
Power cannot be turned on (LED does not light)
Is the input voltage
applied to Power supply unit?
(CN61
Yes
Are the voltages
applied to CN63
and CNPPS
of Power supply unit ?
Yes
Joint / Formatter PWB
42PD7200 (PW2)
No
, )
AC inlet
pins
No
pins
[CN63]
Power switch
+5V [CNPPS] +30V
+3.3V + 5V
+12V
+10V
27
AC Fuse
F902 T6.3AH 250V
Power supply unit
*Re-adjustment is reqired.
Plese refer to 21 page.
Filter PWB