Toshiba 40RV52U, Service Manual

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Using
the remote or
the manual keyboard,
access the audio menu to
assure the speakers are on
and the input selection is a
known good source.
Will this restore
audio?
Does the
power supply
generate the audio
supply voltages (24 VDC
at pins 3 and 4 of P802)
when the unit is
turned
on?
YES
NO
Replace the
power supply
module.
YES
NO
Replace the
Main module
Problem
solved.
No Audio
13