5.1CH has no sound output
Whether
+9V -9V power supply
is normal
Check power supply voltage
Whether
decode chip
has audio signal
output
Check decode chip
Whether
part of channels has n o
output
Check whether mute
Cancel mute
Check mute circuit
Check
whether machine
setup is normal
Set again or resume
Whether
disc content is 5.1CH
Change disc
Check according to troubleshooting
for “Single channel has no sound”
4. Troubleshooting flow chart for “5.1CH has no sound output”is shown in the following figure
3.3.2.4:
Figure 3.3.2.4 Troubleshooting flow chart for “5.1CH has no sound output”
Y
N
N
N
N
Y
Y
Y
Y
N
Y
N
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