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Service Manual
Model No.:
N
N
Check
peripheral
audio
equipment:
Resetting
amplifier
power
supply
circuit
No sound
If there is anyaudio signal input
or Whether amplifier power supply
is normal
Y
Y
Check and repair
Check
amplifier power supply
external
circuit if power supply
loudspeaker
is normal then change 11
Y
Whether the volume
M TE
setting is normal
Whether there is
signal output from 18
Check whether there is signal
output from 10 audio input pin
Check the peripheral
circuit of 10
whether software is
correct
-
-
Picture 4
Audio par t (no sound)
Y
N
Whether there is signal
input in
11 yd1517 1/9
N
Y
N
Check and repair
network
of the connecting
part etween
10 and 11
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