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XG-NV4SU
TROUBLE SHOOTING TABLE
(Continued)
I
Lamp fails to light-up
Yes
Turn on the power switch. Is
discharging sound heard from
the lamp?
No
Is the lamp out of socket?
I
Yes
1
No
I
I
I_
--
;R~c&-r~e~t the
I
FF%iaieyhe
I
I
lamp into socket. I
-----I-
-l
I lamp.
L--I)----
I
Is the ballast cooling fan
No
running?
I
Yes
r
I
L
--li--
J
Is DC 360V voltage applied
No
between PL connector pins?
Yes
1
Is 2V or higher voltage applied
9
I
No
---I--
------
1
Replace the ballast.
-I------I--II
A
~~
~
Is power EA connector
disconnected?
Yes
1
No
I-III
1
r Rec&iect
the
11111I)II
I
I .
I
connector into socket.
L----I-----
I
FCieckThe
I
microcomputer
circuit.
LII----IIII
I
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