78
4.3. Analog audio
No sound is output
Is the voltage of ±8V supplied to
SIDE CNT B'D CP6 9-12 pin?
Is the audio signal transmitted to
AUDIO B'D CN3001?
Is the serial data for electronic volume
transmitted to FRONT CNT B'D P114
4,5pin?
Once more, checking the connection of the connector.
When can specify the trouble of the channel and function, Check signal route where it
corresponds.
The power supply of ±8V is repaired.
The power amplifi er is repaired.
Is the connector correctly connected
with HDMI B'D?
Connect the connectors properly.
The HDMI B'D is repaired.
YES
NO
YES
NO
NO
YES
YES
YES
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