Question about RCA F27443 27" TV

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Sony PVM 20M4U slow start-up ~20 min

Have two of these monitors in the shop. One starts in about 10 mins, the other takes about 20. The start-up is in two stages: first, in maybe 5 to 10 mins the amber LEDS come on, then 10 to 15 mins later the video on input A shows up. Recapped the power supply in the long one; no help. In both, colorimetry, raster geometry is good once started. There are a gazillion caps on the A board. Once the boxes start and get warmed up, popping the on/off button brings the picture back quickly. Geez, I hate recapping!

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  • 236 Answers

SOURCE: Buzzing noise with no picture or sound.

The power supply is telling you that it has a short. I think you have a bad high voltage transformer in the horizontal deflection circuit. I've repaired several RCA's with this very same problem. The newer RCA's are vert prone to high voltage transformer failure ! Stargazer

Posted on Aug 20, 2007

SOURCE: RCA Scenium

Try new lamp

Posted on Sep 03, 2007

  • 1694 Answers

SOURCE: power problem rca 32v434t

RCA 32V434T likely has a bad flyback--#271996. RCA 32F531T flyback no longer available,#262343 Fix one,dispose of other.

Posted on Sep 26, 2007

  • 1 Answer

SOURCE: snap crackle pop

Check the Flyback, had same problem, replaced it and the unit worked good.

Posted on Mar 16, 2008

  • 4234 Answers

SOURCE: Sony PVM-20M4U

These will run a bit hot, but make sure you have enough compound on it. If the old stuff was dry, use a solvent to remove it and replace the compound with plenty of new stuff.
Dan

Posted on Jun 06, 2008

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Sony PVM-20M4U


These will run a bit hot, but make sure you have enough compound on it. If the old stuff was dry, use a solvent to remove it and replace the compound with plenty of new stuff.
Dan

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