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 Cougar on July 8, 2008 at 20:21:34:
Is this a Tuner, amp, preamp, or receiver? Is that charred residue or just the adhesive that has dried up and changed colors from the heat? I can't tell that good from the picture. Sometimes the adhesive looks like the caps have failed but it just has discoloration due to heat. One way to find out is get a DMM and check to see if the caps are short or open. Did any fuses blow? Do any lights come on? If this is a receiver then you then you need to find out which fuses blew either the power supply fuses or the positive/negative rail fuses, which could mean that some of the output transistor maybe wasted.

Please let us know and we will try to help you out.