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Old 04-03-2017, 11:59 AM
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bigaudioal bigaudioal is offline
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Join Date: Mar 2012
Location: Gaithersburg, MD
Posts: 622
Quote:
Originally Posted by Gleb View Post
Check the negative voltage (-18v) on the contrast control. The video amp gets the bias from that point as well. Significant overvoltage there may completely lock both the IF and the video amp.
Thx. I will check that negative voltage. Plan on replacing the control anyway since it is only measuring 2k when it should be a 10k control.
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