Question about Hitachi 43UWX10B 43" Rear Projection Television

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Turns on no picture

Changed convergence ic's

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Complete history please.....parts replaced,#'s and is power indicator blinking ?....What was the original symptom ?
Read my convergence repair posts.........T.

Posted on Mar 05, 2008

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1 Answer

Changed ICs and SSM board but still bad convergence


Have you looked at the Green Picture tube to see if there is a convergence magnet that may have come off? Not sure if this model had them but it's worth looking into.

Feb 04, 2014 | Philips 60PP9202 60" Rear Projection...

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Focus Error I am getting double picture and the colors are off. When trying to auto focus the blue lines are wavy.


Replace Convergence ICs ,Big black ICs will have PN# on them example STK 392-110
Mats has ICs 1-800-628-1118

Jun 05, 2011 | Toshiba 42H82 42" Rear Projection...

1 Answer

Convergence circuit problem


I would clean the lenses with alcohol and q-tips before i try to change an IC chip. My RCA had the same problem. I tried to use the auto convergence and the picture was out alignment. I took off the button bar by taking off the speaker cover and taking out about seven screws (7/64" allen key type) 3 in the front and 4 in the back. Let the power bar hang. You should be able to get to the lenses. Turn the power on and clean them so you can tell when there is no more streaks.
If that doesn't help maybe your convergence IC is bad. If you have to ask if you can replace it yourself you probably shouldn't try it. It take special tools and some practice to solder IC chips. Good Luck.

Mar 14, 2010 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

Same problem with my PT-53WX54


Just replace the IC's and check all the bias resistors, and make sure they are RIGHT ON THE MONEY!!!!!

Jul 15, 2009 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Samsung rear projection tv smells


I would first suspect bad connections and/or a defective convergence IC. The burning is the current limiting resistors getting hot. I would stop using the set and get it repaired. Replacing the convergence ICs should have a pars cost in the $40-$60 range. The few resistors that should also be changed should only add a few $$ to the cost. Add in the local labor rate for the total repair cost. Also, request that the ICs be changed rather than the whole convergence board. It will be less expensive and won't require a complete convergence adjustment. Dan

Jun 12, 2009 | Samsung Televison & Video

1 Answer

Convergance


did you replace both ICs? also samsungs will usually burn at least two of the 3.9 ohm resistors when a ic fails.

Sep 26, 2008 | Samsung PCJ522R 52" Rear Projection...

1 Answer

Toshiba 40who8b convergeance problem


Good Day, harri1234;
Sounds like a convergence problem.
Convergence Output IC Failure
Corrective Action: Replace the defective Convergence Output IC Part Number 23905094 (STK392-110) using the revised “T” version IC Part Number 23135090 (STK392-110T). When Convergence Output failure is
detected, it’s recommended that both IC’s be changed to the “T” type IC
version.
Good Luck, Big Irish.

Jun 23, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

ICS Convergence


Did you also check to make sure both pico fuse are good ?

Jun 09, 2008 | Toshiba 50H71 50" Rear Projection...

2 Answers

Philips 60pp9202 sound but no picture


Sorry no pic, but if you look from back of set on deflection board(board with HV transfromer)big part with about 4 wires coming out going to your picture tubes. Looking close to leftside of board the last IC with heatsink shield standing up has a small 7 pin ic if looking on it you should see TDA8177 or something to that affect. This is the verticle IC. Since you have found the IC's (convergence) then the only thing left is to look for open fuses like 1300, 2004, 1900 etc and see if open. Concerning cost if you buy from www.bluestaronline.com these part are inexpensive so it wouldn't hurt to buy all. Rule of thumb, if set has color problem then Convergence IC, if no problem just went out one day while playing fine then Vertical, then the alternative if no sound the audio area, which is not common for this set. Hope this helps!

Sep 03, 2007 | Philips 60PP9202 60" Rear Projection...

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