Question about Mitsubishi WS-55859 55" Rear Projection Television

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Insignia TVHD30 has picture that pulls in at the sides

The tv was just fixed as a capacitor blew out, and when I got it home, the picture came on, but it's hour-glassed from the sides.

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HELLO it sound's like you need to set the convergence. on the set.!!! or need to replace the ic chip's on the convergence board. to fix your problum. "good luck"

Posted on Nov 25, 2008

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Posted on Jan 02, 2017

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After about 30-60 minutes TV starts to hum and picture gets distorted, could this be the color wheel...???


Sounds like a sync problem due to color wheel speed. clean and lubricate color wheel motor with tiny amount of Z-Max lubricant (liquid Buckey balls, available at Wal-Mart), on each bearing. make sure wheel is free-wheeling and turns easily. Should cure problem. If the color wheel is in good shape, there is a power supply problem, which may be due to dried out electrolytic capacitors or a regulator that's failing. Troubleshooting or controller board replacement may be needed. Regards.

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The kids left the tv on all night and turned off in the morning. Next time we tried to use it, we had no picture (blank screen) and no sound, but the power light does come on. Where can I start looking for...


I don't know of a parts outlet but searching will find this part. I am betting that you blew out the video card itself. This usually happens with a lightning strike or a power surge and a power surge strip you buy from a home center is not what it advertises and will not work. It will be obvious if you pull the back off of the TV and look at the input cards, one of them should be fried. If you find the fried one you can pull it, take off the part number and start looking for a replacement. These cards can be fixed but it will take someone that knows what they are doing and a ton of patients.

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Tv blew up


Power board probally have burn capacitors.Take the tv aparts,check for puff up or burst open capacitors.Know how to solders? Replaced these capacitors well get ur power back.Or replaced the whole power board buy it at Shopjimmy.com,Ebay.com.

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My picture shacks vary fast from side to side toshiba 42H83


You could have a bad color wheel or there is a Factory Service Bulletin from Toshiba that says: Remove the MVUP14 Hyper Module from the TV chassis, remove
the top shield and replace the 10uf, 16v capacitors using Part Number
24619040 as shown in Figure 1. It’s recommended that all of the
capacitors identified in Figure 1 be replaced. (Note: These capacitors are
low impedance surface mounted aluminum electrolytic capacitors. Care
should be taken to avoid damaging the PCB while replacing these
capacitors.) You should call a good TV Tech to do this repair.

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Have an Insignia (NS-DXA1-APT). Have tried 3


connect up another tv and see if it is the tv or where you live.if the tv is the culprit then you have a defective tuner in the tv and is probably is not available.

Jul 18, 2009 | Televison & Video

1 Answer

Tv popped and picture went out


im srry to tell you that you picture tube blew in you tv this can happen from many things as simple as a defective one .. to a bad power surge in your house ... if it is under warranty they will fix free of charge .. if not you'll have to get a new tv .. a new tv in most cases is cheaper then tryin to just by the tube .. oh and if its not under warranty .. you could always just say it surged and claim it on you home owners insurance =]

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1 Answer

Capacitor help.


Just unsolder the ends of that capacitor and the board will be marked so you can install the replacement capacitor with the correct polarity.

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30inch insignia


Sounds like power supply problem (either poor connections or bad capacitors).sometimes they look deformed or you have to check them with an incircuit capacitor tester.

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4 Answers

Tv screen looks like an hourglass!! i need set up code for a is-tvhd30


Your problem is not an adjustment. You will need to change the convergence IC's. What brand and model number is this TV?

Mar 30, 2008 | Televison & Video

4 Answers

RCA Home Theater Premiere


unplug the TV for 4 hrs. and let it reset to factory settings and then start from there scan for channel line up in the menu.

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