Question about RCA P46921 46" Rear Projection Television

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Green glow hi i have a RCA model # P46731at and everything that should be white has a green glow around it...i removed the mirror and all the bulbs seem to be working if i move the adjustment slider on the green bulb the haze moves with it..any ideas

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  • jr50hockey Feb 21, 2008



    is this something i should try on my own?

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The RCA Set does not use convergence IC's Im afraid. It uses discreet push pull type transistor array just like a low power audio amp. there are 6 NPN and 6 PNP type transistors. they also use preamp to drive these transistors. Then to make life a bit more difficult, RCA uses a separate power supply board for the convergence alone. These should be checked both at the same time. The boards most likely are not available, so you will need to have the boards rebuilt at PTS corp.com, or Tristatemodule.com. Good Luck

Posted on Feb 21, 2008

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  • Master
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Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s

Posted on Feb 21, 2008

  • Cary Farah
    Cary Farah Feb 22, 2008

    send the board into PTS corp.com, or Tristatemodule.com

  • Cary Farah
    Cary Farah Feb 22, 2008

    have to tryed to do convergence on you menu?

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1 Answer

Samsung plasma TV model #pn42b400p3dxza problem with no image. The TV has sound but no image. I've tried using other components on the TV like RCA jacks with a separate TV digital tuner. Thank you


The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
Check whether Va & Vs voltage come to the display panel, from the main power supply regulator board. If not, the SMPS board [power supply regulator board] is faulty.

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I have a rca model led65g55r120q tv flickers and no sound


Check all cables for loose connection, try another input for picture (DVD, BLu-Ray, etc). If none of the other inputs work then it's a panel problem (display) If one or more of the others work then it's a problem with either the tuner or the signal.

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I have an RCA model LED42C45RQ with a blank screen. I have audio, no back lights, but I can see a picture on the screen with the flashlight test. What do you recommend replacing? Thanks


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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1 Answer

The color on my TV is all pink. I have tried a hard reset but it didn't help.


Your TV has lost a GREEN color from a basic color palette (Red-Green-Blue). It is often caused by:
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- damaged video signal cable (ex. SCART, HDMI, VGA),
- damaged video processor (on the signal board).
I can't give you a more accurate answer, because I don't know what is your TV mark and model and, in what situations you have the problem.

Jan 19, 2015 | Televison & Video

1 Answer

I have checked cables and different methods of connecting, but the white and red audio out of my PVR appear to have stopped putting out sound.


Go through the setup of the PVR and check the sound settings. It sounds like it's only producing digital audio, that's why it works with HDMI but you want analog, so set the audio to stereo, or try every setting to see what works!

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1 Answer

How could I connect a Daewoo 42sm TV?, I can't afford cable so I use a converter box(analog to digital w/rabbit antenna)on my other TV and I was given this Daewoo TV and would like to watch it;please


If your converter box only has RF outpit connectors "F" type screw on it looks like this my be more of a monitor then tv.I took a quick look at the manual and didn't see any RF inputs so it appears it doesn't have tuners built in Looks like you'll need a box that has RCA output connectors.or others that will match what the monitor has on it for input types

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2 Answers

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Maybe it has a failure in the audio amplifier, if there's no sound even with headphones or the internal speakers, if there's audio only with headphones.

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3 Answers

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I hope this helps.

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2 Answers

Akai PDP4206EA lost tuner and video inputs


Mine died after a brown out. It turned out to be the main board. They're pretty hard to find.

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