Amplifier BUZZ and HUMM, EASY FIX

Carver Home Audio (Stereo) Discussions and Questions
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lkapphahn
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Posts: 4
Joined: Fri Mar 05, 2004 9:22 pm

Amplifier BUZZ and HUMM, EASY FIX

Post by lkapphahn » Sat Mar 27, 2004 10:13 pm

I wanted to share with all a fix for the TFM-55x amplifier buzz. Rita of Sunfire deserves all the credit here, she suggested I put a 910 ohm 2 watt resistor across diodes D505 and D507 (rectifier circuit, AC side) on the side of the diodes near the orange wire that comes from transformer T1. I installed the resistor and the noise is now barely audible, it was load enough (both speakers) to render my amp unuseable. Thanks to Rita! I have a complete TFM-55x service manual with all schematics if anyone needs more detail.

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