Toshiba 40RV52RZ - Audio Troubleshooting; Power Supply Audio Voltages

32RV525RZ, 37RV52R, 37RV52RZ,
37RV525RZ, 40RV52R, 40RV52RZ,
40RV525R, 40RV525RZ, 46RV525R,
46RV525RZ
No Sound
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
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