Sharp PG-C30XU - Lamp fails to light-up

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PG-C30XU
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?
Is the ballast cooling fan
running?
Is DC 360V voltage applied
between PL connector pins?
Is 2V or higher voltage applied
between pins (1) and (2) of
ballast’s D connector?
Is D connector disconnected?
Check the power circuit.
Is the lamp out of socket?
Reconnect the
lamp into socket.
Replace the
lamp.
Reconnect the
connector into socket.
Check the
microcomputer circuit.
Replace the ballast.