Read Sharp XG-NV51XE (serv.man11) Service Manual online
39
XG-NV51XE/XM/XA
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 2V or higher voltage applied
between pins (1) and (2) of
ballast's D connector?
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
microprocessor circuit.
microprocessor circuit.
Replace the ballast.
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