Hitachi CP-X980W Service Manual page 16

CP-X980W
CP-X985W
Lamp does not light
Disconnect
flexible connector from
EMD1 connector.
And light on?
YES
PWB ass'y DRIVE
YES
Change the Lamp.
LAMP
Does Lamp light ?
YES
Power unit
Power unit (Ballast).
(Ballast)
Does Lamp light ?
Power unit (Circuit)
16
Change the PWB
ass'y FAN. Put on MAIN SW
NO
and does lamp light ?
By the state of not PWB
ass'y DRIVE.
PWB ass'y FAN
What is the state of
Light
LAMP indicator
during operation ?
NO Is the Lamp cover set ?
Change the
Is the Lamp connection ?
NO
Change the
LIMIT SWITCH
(LAMP/LAMP DOOR).
Does Lamp light ?
Power unit (Circuit)
NO
YES
Not light
Blinks
Does blinks of
TEMP indicator ?
NO
Set the Lamp
A FAN breaks down.
cover again
Check by one, and
YES
change it.
NO
Set the Lamp
again
YES
YES
LIMIT SWITCH
(LAMP/LAMP DOOR)
NO
NO
YES
Change the
Power unit (Ballast)
Does Lamp light ?
YES
Power unit Power unit
(Ballast) (Circuit)
NO