Hitachi PJ-TX100 Service Manual page 13

Power can not be turned on
Are
voltage input at
pins , , , of E800
1 3 5 7
on the PWB assembly Main
at standby mode?
: +12V
1
: +17V
3
YES
: +6.6V
5
: +4.1V
7
Lamp door SW
What is the state of
TEMP indicator D302?
Not light
PWB assembly Main
PJ-TX100(C11H)
Is the Lamp door
NO
installed correctly?
YES
Disconnect
TSW form Power unit
(circuit). And check
TSW short or
open?
Short
Power unit (circuit)
Blinks
Jump to * on the page 14
13
NO
Reset the Lamp door
Open
TSW
Fuse
on the Filter unit
Filter unit