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Old 15th May 2020, 10:51 am   #107
Cobaltblue
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Location: Exeter, Devon and Poole, Dorset UK.
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Default Re: Fixing a GEC BT 302 Television

The whinning is probably the line output stage and if your getting a dot when you switch off chances are your getting EHT.

You should be able to vary the frequency of the whinning with the line hold control.

Cheers

Mike T
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