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Portable TV displaying whitescreen instead of static

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11-02-2018, 12:08 PM

Notimetolooz Notimetolooz is offline

VideoKarma Member

Join Date: Mar 2014

Location: Dallas, TX

Posts: 548

The blank white screen tells you that the CRT is getting High Voltage and sweep OK, but there is no actual video signal reaching it. The problem could be in the video amplifier circuit, video detector or even the IF amplifier circuits. Sometimes those circuits get power from a separate supply voltage than the rest so that might have failed.

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