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
(5): +6.6V
(7): +4.1V
Power unit (circuit)
Fuse on the
Power unit (circuit)
NO
YES
Disconnect
TSW form Power unit
(circuit). And check
TSW short or
open?
PWB assembly Main
Short
TSW
Open
What is the state of
TEMP indicator D302?
Not light
Blinks
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What is the state of
LAMP indicator D303?
Not light
Blinks
Short (0 )
Unplug
power cord and
disconnect cable CNLC,
then measure resistance
between pins (1)
and (2) of
CNLC.
Open
PWB assembly Limit SW
PWB assembly Main
Is the LAMP DOOR
set?
OK
Set the LAMP DOOR
NG
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12
PJ400-1
