Hitachi 0506E, Руководство по обслуживанию

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CP-X960WA
CP-X970W
Lamp does not light
What is the state of
LAMP indicator
during operation?
Power unit (ballast)
Lamp
Is pin of EBAR
on the PWB ass'y
main set to "H"?
PWB ass'y main
Power unit (ballast)
Light
Not light
NO
YES
"H" =5V
Change the lamp.
Does Lamp light?
Not light
Light
What is the state of
TEMP indicator?
Not light
Blinks
NG
NG
PWB ass'y main
DC FAN (EXHAUSTION)
DC FAN (INTAKE)
Blinks
Is the Lamp
connection?
OK
Short
between and
of ELC1 on the PWB
ass'y main. And
check again
Set the Lamp again
(More than 12.5V)
NG
NG
OK
Measure
voltage at the round
CHK0082 on the PWB ass'y
main at stand-by
mode.
NG
Power unit (Circuit)
PWB ass'y main
OK
OK
OK
OK
Is the Lamp cover
set?
OK
Set the Lamp cover
NG
LIMIT SWITCH
(LAMP DOOR)
LIMIT SWITCH
(LAMP)
DC FAN (LAMP)
NG
1
2
1
Short
between and
of ELMF on the PWB
ass'y main and
retry.
1
3
Retry
after shorting
between and of
EBAF on the PWB
ass'y main.
1
3
Short
between and
of EINF on the PWB
ass'y main and
retry.
1
3