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RCA 8TS30 - no picture

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04-03-2017, 09:32 AM

Gleb

VideoKarma Member

Join Date: Mar 2015

Location: Russia

Posts: 66

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.

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