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TROUBLESHOOTING GUIDE
NO E-E AUDIO (MONO)
.
Does AUDIO signal
<C_ appear at pins 40 and 41
Check J4201 and peripheral
of IC5501 ?
circuit.
Is the voltage at pins
ie 48 and 36 of IC5501
Check POWER BLOCK.
BV?
Is the voltage at pins
<o 39 and 25 of IC5501
5V ?
Check POWER BLOCK.
Yes
Is the voltage at pin
32 of IC5501 5V ?
Replace IC5501.
Check pin 59 of 101006 and
peripheral circuit.
46
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