Re: Philips B3G63A
You can replace the caps with any modern plastic film caps with suitable values and ratings. The voltage ratings should be the same or higher than the originals. If no rating is printed on the cap then 400V or 630V will be fine apart from for the tone correction cap across the output transformer, and it sounds as if this has already been changed.
Modern standard values have changed, so (for example) 0.05uF should be replaced with 0.047uF.
The resistors will normally be fine if within 20% of the design value.
White spirit or WD40 is good for cleaning off dirty waxy deposits, but don't just spray WD40 everywhere - dampen a rag with it. That chassis is actually looking quite clean now anyway.
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