Hitachi 42PD7500 Service Manual page 29

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42PD7500/42PD7500A (PW2)
Power
Power cannot be turned on (LED does not light)
Is the input voltage
No
applied to Power supply unit?
(CN61
, )
AC Fuse
Filter PWB
Yes
Power switch
AC inlet
F902 T6.3AH 250V
Are the voltages
applied to CN63
pins
No
and CNPPS
pins
of Power supply unit ?
[CN63]
+5V
[CNPPS]
+30V
Power supply unit
+ 5V
+12V
Yes
+10V
*Re-adjustment is reqired.
Plese refer to 22 page.
Joint / Formatter PWB
28

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