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Old 27th Dec 2017, 7:58 pm   #9
flake_e_lee
Retired Dormant Member
 
Join Date: Dec 2017
Location: Belfast, Northern Ireland, UK.
Posts: 8
Default Re: Sony MDS JE480. Hum.

OK.

I had another closer look today, tried a theory and it worked. The hum is gone.

I noticed, the 4 pins on the RCA plugs that go into the board. I saw what looked to me where there had been a further 2 pins which had been sheared off at some point and a corresponding position on the board where 2 pins probably were soldered to it. I cut the legs off a capacitor, soldered these to the RCA plug and then soldered all back on to the board. Assembled the unit, hum gone!

Now if I could get a new plug, as I do not fully trust my repair. I think if it gets any type of knock, it will break the repair and back to the hum. Anyone know where I could get the plug?
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