Author Topic: Pioneer DC-Z81 - No sound.  (Read 1935 times)

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Turnip

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Pioneer DC-Z81 - No sound.
« on: July 26, 2018,11:09:11 »
Hi folks,

Have one with no speaker output though the relay which susses output issues clicks in after a few seconds so would feel the STK-4152 II output module is OK as it's unusual for both sides to fail at the same time, and anyway the relay wouldn't click in.

Downloaded the service manual from ElectroTanya, but as it's a scanned paper one, it's difficult to read. Have checked regulators where voltages seem appropriate, so wonder if the audio is being muted. Tried inputs to the module with 50Hz from a damp finger, but no buzz either channel, and that's after the mute circuit.

Wonder if it's a known issue - ? Thanks for thoughts - Chris.

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