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JVC ax-r742 no sound

No sound coming out from my JVC ax-r742. The graphic equaliser is working fine but no sound is coming from the speakers. 

Comments
pumi
pumi picture

Hello! The amplifier must be cleaned, the printed circuit boards with IPA or similar cleaner. It will sound :-)

0

PushyG
PushyG picture

Hello!
When you turn on the amplifier, do you hear a relay click within a few seconds (speaker protection)?
If not, the protection circuit detects some kind of error from the direction of the power amplifier. To check this, you should take the amplifier to a specialist.

Best regards,
Gábor

1