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vidjoman · 6th Jul 2019, 1:39 pm

It looks from the picture that the resistors should be 10% (silver band) so you will probably have to change most of them. Those Hunts caps are well known to fail and probably did from a leakage point of view many years ago. As a repair man we changed most Hunts caps back in the 1960’s. The white ones are ceramic and will almost certainly be good for another hundred years or more.
Be very careful changing any parts to get them exactly where the old part was as poor positioning will affect the alignment.

6th Jul 2019, 1:39 pm	#6
vidjoman Dekatron Join Date: Jun 2013 Location: East Sussex, UK. Posts: 3,326	Re: Quad FM1 questions It looks from the picture that the resistors should be 10% (silver band) so you will probably have to change most of them. Those Hunts caps are well known to fail and probably did from a leakage point of view many years ago. As a repair man we changed most Hunts caps back in the 1960’s. The white ones are ceramic and will almost certainly be good for another hundred years or more. Be very careful changing any parts to get them exactly where the old part was as poor positioning will affect the alignment.