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Power can not be turned on
Are voltage
input on the PWB
NO
assembly Drive at
standby mode?
I812
: +14V
1
IV22
: +17V
1
YES
I102
: +6V
1
I841
: +4.3V
1
What is the state of
Lights
TEMP indicator
D301?
Blinks
Not light
Blinks
What is the state of
LAMP indicator
D302?
Not light
Power unit (ballast)
PWB assembly Drive
Disconnect
TSW from Power unit
(circuit). And check
TSW short or
open?
Short
Power unit (circuit)
DC FAN (intake)
DC FAN (exhaust)
or
PWB assembly Sensor
Is the LAMP COVER
set?
OK
Lamp
or
Is the LAMP
connection?
OK
Is the
voltage at pin
1
and
of E809 same?
NO
PWB assembly Limit SW
Open
TSW
Fuse
on Power unit (circuit)
NG
Set the LAMP COVER
NG
Set the LAMP again
YES
2
PWB assembly Drive
CP-S370W
13
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