please help with problem channel on MX5050-8

Hi_Flyer

New member
on Channel 8, I can only record a very very low signal to tape. I get a normal level if I monitor the input signal, but when I monitor the repro head (or playback from the sync head), I get an extremely low level, like 20dB less than the input signal.

When I try to adjust the repro level or sel-rep level trim pot, it doesn't seem to do anything.

Playback of pre-recorded material is normal, it only occurs when I try to record new material.

I swapped channel cards and the problem is isolated to channel 8 on the deck, not the channel card.

All other channels work fine. Erase, sync and repro heads are clean.

any ideas?
 
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