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Old 13th May 2012, 01:54 AM   #1
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Join Date: Jul 2011
Location: Massachusetts
Exclamation Weak Phono on HK690i

The phono levels on both channels are very, very weak.
Switching between MM and MC cartridge input only produces a slight gain.
Triying 2 turntables produced the same results.

AM/FM and AUX have good levels and are relatively equal.

I have the schematic and service manual, but can't find any common circuitry that would affect both channels equally in this way.

Any ideas out there? I need to fix this asap.

Thx!
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