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Reliable Panasonic PV-4760 VCR now blowing fuses

vintage

Sep 19, 2012
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Sep 19, 2012
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My usually reliable Panasonic PV-4760 VCR didn't turn on the other day. Lifted the cover and noted the 125V 1.6A fuse in the power supply unit had blown. I replaced the fuse twice more but each one blew as soon as the unit was plugged back in. Any ideas on the problem? I would hate to have to trash what has been an outstanding component. Its vintage but it complements all my other high tech electronics and I'd like to salvage it. Thanks.
 

(*steve*)

¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd
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Jan 21, 2010
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I would suspect either the mosfet or one of the rectifiers in the power supply has failed short circuit. If you're looking at them, also check for dead electrolytic capacitors.
 
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