Read Sharp XG-P20XE (serv.man5) Service Manual online
43
XG-P20XU
XG-P20XE
XG-P20XD
XG-P20XE
XG-P20XD
TROUBLE SHOOTING TABLE
(Continued)
Lamp fails to light-up
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Turn on the power switch. Is
discharging sound heard from
the lamp?
discharging sound heard from
the lamp?
Is the ballast cooling fan
running?
running?
Is DC 360V voltage applied
between PL connector pins?
between PL connector pins?
Is 3.5V or higher voltage
applied between pins (1) and
(2) of ballast's D connector?
applied between pins (1) and
(2) of ballast's D connector?
Is power EA connector
disconnected?
disconnected?
Check the power circuit.
Is the lamp out of socket?
Reconnect the
lamp into socket.
lamp into socket.
Replace the
lamp.
lamp.
Reconnect the
connector into socket.
connector into socket.
Check the
microcomputer circuit.
microcomputer circuit.
Replace the ballast.
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