Vintage Asylum

Classic gear from yesteryear; vintage audio standing the test of time.

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RE: Need MCS 3245 power supply repair help/advice

Posted by PJN on July 9, 2008 at 05:51:18:
The MCS 3245 is a receiver sold by J.C. Penny in the 70's. It has several circuit breakers instead of fuses and the breaker on the power trips whenever the power is turned on. The marks at the bases of the caps don't look like adhesive to me, more like something scorched. I did test the resistors and caps with my multimeter, the resistors all seem to be reading right on their stated specs, however most of the caps seemed to have failed. I'm getting very low resistance (< 0.5 ohm) on most of then including the big smoothing caps. Only a few of the small ones seem ok they had very high resistance (off of the scale). I don't have the capability to test diodes or transistors. Every other board in the reciever looked perfect.