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James

I think you have a typo.? Instead of c337 I think you meant c327?? I have already checked for shorts and opens in this area.? It is interesting that the age of this unit does not have L306 and c326.? Later schematics (attached) do not have these components.

One thing I have not checked is L305 for shorts or opens.? I would have to unsolder from the circuit to check this.

I wonder if c319 or c320 could have an affect if open, ?I will check.

One thing I have not mentioned is that r317 and r318 are dark from excess heat.? I did remove them and they both checked 10 ohms.? Possibly L304 is shorted or open?

I will report my findings.? Keep the ideas coming

Thanks

Tommy