Hitachi CP-S335 Service Manual page 13

CP-S335(C9SM)/CP-X340(C9X)/CP-X345(C9XM)
Power can not be turned on
Are
voltage input at
pins (1)(3)(5)(7) of E800
on the PWB assembly
Main at standby
mode?
(1): +0V
(3): +17V
YES
(5): +6.6V
(7): +4.1V
What is the state of
TEMP indicator D302?
Not light
What is the state of
LAMP indicator D303?
Not light
PWB assembly Main
Short (0 )
PWB assembly Main
Disconnect
TSW form Power unit
NO
(circuit). And check
TSW short or
open?
Short
Power unit (circuit)
Blinks
Jump to * on the page 14
Blinks
Is the LAMP DOOR
set?
OK
Unplug
power cord and
disconnect cable CNLC,
then measure resistance
between pins (1)
and (2) of
CNLC.
Open
PWB assembly Limit SW
13
Open
TSW
Fuse on the
Power unit (circuit)
NG
Set the LAMP DOOR