Hitachi CP-X960WA Service Manual page 17

CP-X960WA
CP-X970W
Power can not be turned on
voltage input at
pins
1
on the PWB ass'y main
voltage at pin
EDI1 on the PWB ass'y
main at standby
PWB ass'y main
Are
, , of EDS1 NO
4 6
at standby
mode?
YES
Power unit (circuit)
: (CHK0082) :+12.5V
1
: (CHK0041) :+6.6V
4
: (CHK0043) :+17.0V
6
Measure
of CHK0023 = L
28
mode.
28 : (CHK0023) = H (H = 2.5V)
PWB ass'y FILTER
Disconnect
NO
ETEP form PWB ass'y
main. And retry turn
on?
OK
PWB ass'y TEMPERATURE
– 14 –
Fuse
PWB ass'y main