Re: Philips GR2.2 Contrast Dims/Sound Cracks
Bit late to the party...
I had a GR2.4 that did similar. The picture would dim in steps, and then clear. This set was ex- rental but only 18months old at the time.
The fault was the CRT... I simply lived with it. The set with its gull wing tube gave a great picture. The rest of the family barely noticed it, just me.
If you've got access to a scope, monitor the RGB cathode waveforms, this should show if its the drive that's varying. You can use just a meter, but judgement is more difficult.
In some cases a very gentle tap the the CRT neck can bring the fault on. SJM.
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