Question about Philips Magnavox MWR20V6 DVD Recorder/VCR

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Magnavox MWC24T5A When the power is turned on, The relay in This unit would click and something near the HV would make a rapid clicking sound, and then immediately power off. With the case open, I tried to isolate where the clicking sound was coming from. After turning the unit on about 50 times, the 4.7 capacitor blew smoke into the air. What would be clicking and cause the cap to blow? Thanks

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Turning it on repeatedly probably took the cap in the shutdown circuit. As for the underlying problem I would suspect the HOT 2sc2578 p/n# 4835 130 48252... And/or possibly a diode short to ground. Might test D1643, D1605 (rectifier diode) or D2575.. After that, mybe regulator or Q1601 2sk3563, Q1602 2sc2120 in the smps.

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631

Posted on Nov 25, 2008

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I had a similar problem, particularly when trying to use the DVD recorder, and when I turned on the unit it made a loud rapid clicking sound, and then immediately shut off. It appears to have been the VCR section of the unit (which I rarely use) that was causing the glitch, and the pragmatic solution was to simply leave a blank VCR cassette in the machine all the time. Then I was able to use the DVD recorder without the noise and shut-off problem. (posted 2009-07-22)

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there is a infra red emmiting diode inside that has failed. this is the diode just under the prism inside the unit. replace that and re-time the mode switch. the unit is not made by philips but by funai so no support can be given to you from philips. I've repaired close to 60 of these with the same problem you have.

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