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Zenith R49W36 projection TV. I found a burned transistor 2SC5446 and changed it, at that point didn't find anything else burned, but I guess there is something else too, cause when installed the board again, burned the same transistor, and it didn't turn the screeen on, only the front indicaton, I was able to switch inputs, without any picture on the screen though.

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  • Kenneth Lee Sr. Feb 05, 2010

    Thank you!That is what I was thinking. It doesn't hurt to ask an expert before order right! Thanx again!

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Hori output Transistor Q403, if it shorted it out again then your FBT flyback Transfomer is Bad Call Zenith exchange Modules
1-800-632-6637 Cheaper in the long run just to replace whole board.

Posted on Feb 05, 2010

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1 Answer

Service code


Its almost always a convergance inverter that has burned out. The IC chips as they are called aren't too cheap, Even the repair shop would suggest a new tv as a cheaper route in the long run. To make your set reliable again the convergance board needs to be rebuilt with all new chips, and pico fuses.

Oct 08, 2012 | Zenith R49W36 49" Rear Projection HDTV

1 Answer

On my Zenith R49W36 he board where the convergence chips are is burnt and I need to replace - where can I get a new board?


that part is discontinued and no longer available the part number is 6871VSMA97E you may be able to find a used one.

Oct 29, 2011 | Zenith R49W36 49" Rear Projection HDTV

1 Answer

I have a Zenith 54"


You have Bad Convergence ICs they are Big Black ICs and will have the part number on them ,example STK392-570 Mats Electronics has ICs 1-800-628-1118

Jul 03, 2011 | Zenith R49W36 49" Rear Projection HDTV

1 Answer

I need to know the parameter for configuration for a zenith tv 52 inches R49W36 ,because the colors and image are really bad thanks fredy


Sounds like a convergence problem. I had the same issue. I got a repair kit from the folks at TvRepairKits.com. Worked great for me and saved a ton of money.

Dec 31, 2009 | Zenith R49W36 49" Rear Projection HDTV

1 Answer

My zenith projection tv model R49W36 wont aline the colors green,red and blue


Its a convergence problem. You can get complete parts and instructiosn for this fix from www.TvRepairKits.com. They put together a kit for this. I used them for a convergence problem recently and they helped me fix my set.

Dec 22, 2009 | Zenith R49W36 49" Rear Projection HDTV

1 Answer

Zenith


First, locate the horizontal output transistor. This is found very close to, or next to, the horizontal output transformer (also known as the flyback). The flyback should be on an aluminum heat sink, or on the side of the metal chassis. Disconnect or unsolder two of the three legs of the transistor. Measure it with your meter, or plug in the set with the light bulb attached across the fuse.
If the transistor is shorted, or the light bulb doesn’t glow bright anymore, replace the transistor and plug back in. If the light bulb glows bright again, you must replace both the flyback and horizontal output transistor simultaneously. In some cases this will fix the set, but sometimes there are multiple problems with a set.
Go to where the flyback is, and start measuring the diodes and capacitors on the flyback itself. If you don't find any shorts there, it could be a shorted vertical output IC, a shorted sound IC, a shorted disc capacitor in the Hi Voltage/sweep circuit, or in rare cases, a shorted capacitor or tuner.Feel free to ask and post whatever the result of your troubleshooting..


Hope this may help;

Regards,
VOTIT

DON'T FORGET TO RATE

Aug 10, 2008 | Zenith R49W36 49" Rear Projection HDTV

1 Answer

Zenith R49W36 Rear Projection TV Convergence IC problem


Had the same problem with my Zenith TV. Convergence was all out of whack. I purchased a repair Kit from www.TvRepairKits.com. The kit had all the parts and simple step by step photos of the repair. I cant thank them enough for making this possible . At first the repair did not work so I emailed them and within an hour they told me to check two other items. Sure enough they were right! The set is now working perfectly.
Thanks Guys, I will spread the word.
Louis

Jul 27, 2008 | Zenith R49W36 49" Rear Projection HDTV

3 Answers

My TV Zenith R49W36


my zenith tv model number r49w36 will come on with sound but no picture can someone please help

Apr 17, 2008 | Zenith R49W36 49" Rear Projection HDTV

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