Question about RCA R52WM24 52" HDTV Projection Television

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Did you get an aswser on the IC's?

Comment by Babylooch, posted on Feb 02, 2008 LeadTech,

I had the same problem as Arynsunn and Dorito. I was able to find and replace fusible link F231 and it worked for 2.5 days. Today, turned the tv on and the fuse must have blown again. We want to replace the convergence IC's, but cannot find them. Other posts show big (2 x 3") IC's on the back of heat sinks, but there is nothing that looks like that in our tv. Can you point us to the convergence IC's in this TV (RCA R52WM24)? Thanks so much for your help. BMisita@cableone.net

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THe rca itc222 chasis has No convergence ics it uses a series of transistors to do the same. YOU replaced the Fl231 fuse and it blew. Did you resolder flyback connections. this is why the fuses blow. check out the article under the tips and tricks section written by me willtab ... see if this helps if not let me know .. i see alot of these at the shop ( i got one right now in front of me with the FL231 probelem LOL) if can let me know i give you help

Posted on Oct 03, 2008

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Convergance problem on lower half of screen.smeared red and orange double vision,but only on bottom ofscreen.top appears out of focus,but not double visioned.


Howdy,

The TV has a convergence problem; the IC’s for that circuit will need to be replaced. The part(below) Number is from Toshiba, they provide good advice on replacement parts. Make sure what type of IC's your TV uses first. The cost for this repair runs around $450.00 or more.

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. Inspect the Convergence Output IC’s for the “T” type version as
shown in Figure 2. Replace the Convergence Output IC’s using the “T”
type version Part Number 23135090 (STK392-110T).

I hope this information allows you to resolve this issue.
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Thanks for choosing FixYA, Big Irish.

Nov 23, 2009 | Projection Televisions

1 Answer

What is the best IC replacement for original IC part# STK393-110?


Sayo makes the best IC's, don't just settle for the cheap ones. I have see this ic for as low as $5.00 on the internet.

I would also advise that the convergence IC’s be OEM or better, just because they are cheap does not mean that they are a good deal. I have seen the cheap IC’s fail after a short time, even though they look exactly like the OEM IC’s. I think that the bottom line is that you will get what you pay for when it comes to the parts.

You can try http://www.tvrepairkits.com/ they do carry OEM or better parts.

I hope this information allows you to resolve this issue.
If you need further assistance please comment to this post and I will try to help you further.
asnowman

Oct 13, 2009 | Mitsubishi WS-65513 65" Rear Projection...

1 Answer

Green cross hair is tilted making colors blur. how do i get it to tilt correctly. blue and red cross hairs are straight.


Your symptoms sounds like a damaged convergence IC.

There are two very large IC’s that control the convergence in a big screen set. They are secured to a very large aluminum heat sink.

If one of the convergence IC’s are found to be bad, I would replace them both, if one has gone bad the other may go soon and it should only add the cost of the part to the repair.

I hope this information allows you to resolve this issue.
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Aug 21, 2009 | Hitachi Projection Televisions

1 Answer

The colors are out of alignment and bowed at the top.


There are two and sometimes three very large IC?s that control the convergence in a big screen set. I think that you have two that are on the board in the center of the set. They are secured to a very large aluminum heat sink. If the problem remains after you have made the repair, it is possible that the pins on the IC?s have become loose. In this case the IC?s need to be replaced. I have seen this on several occasions. You can just replace the IC's and you should have a repaired set. If you choose to repair the set yourself, be very careful of the high voltage that can be stored in the capacitors, and CRT?s. This voltage can be as high as 30,000 volts. I hope this information allows you to resolve this issue. If I have helped you, please help me, and rate this suggestion the highest FixYa rating. (Two Thumbs Up) If you cant rate this post with the highest rating, then please comment to this post and I will try to help you further.

Jun 12, 2009 | RCA Projection Televisions

1 Answer

Colors are way off


The problem that you are describing sounds like you have bad convergence IC’s. These are usually on large heat sinks on the circuit boards and they will have numbers like STK-XXX on them. My suggestion is to call a local servicer to have the set checked out. If you want to repair the set yourself, let me know and I can try to locate the IC’s for you.
I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
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May 18, 2009 | Panasonic PT-53WX42 53" Rear Projection...

2 Answers

Convergence amp ic


depends on how good you are at soldering, you may consider sending the board into ptscorp.com
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=
good luck
please mark the post with a fixya


Mar 18, 2008 | Samsung HCL552W 55" Rear Projection...

1 Answer

Apex gb55hd09w triple vision


Go in and find the conv ICs, they will be mounted on a
big heatsink and the wires going to the conv yokes will
most likely plug in somewhere closeby.
Conv ICs are the workhorse of the CRT RPTV, and it is
not unusual at all for them to need to be changed out
at some time in the life of a CRT RPTV.

Mr Bob

Comment by MrBob84, posted on Feb 04, 2008
PS -
The wires for the conv yokes at the CRT necks are the
thin ones. The thicker ones are for the hor and vert
sweeps, which must never be disconnected from their
circuitry during CRT operation.

If your beam loses sweep on any of the CRTs, it will
instantly score/gouge your phosphors on your CRT faces,
vaporizing the phosphors there and ruining the CRTs.
The beam is very powerful, but in normal operation
moves incredibly fast, not damaging anything. Any
slowdown of the movement of the very powerful beam that
draws the picture, acts like the searing vaporizing beam in Tom Cruise's War of the Worlds.

Feb 04, 2008 | Projection Televisions

4 Answers

Samsung rear projection TV


Hi.

 

What is the model number of your Samsung tv ?

 

http://dysonmanuals.inc.io/

Oct 18, 2007 | Projection Televisions

2 Answers

Convergence problems?


While the OP may no longer have this issue, I'll comment on anyone else that may come across this.
In addition to the suggestion of replacing the ICs above by Leadtech, the resistors also should be changed at the same time.  Quite often, even if a single IC or both are replaced and the resistors are not, the issue will re-appear.  There are a few locations selling a kit in the $50 range, so the difference for the additional resistors is minimal.
As for the sound issues, several owners of this and other Hitachi RPTVs in this line have had issues with their sound boards, which seem to be largely a defective product.  Even replacement of these have resulted in the problem re-occurring at a later time.  I would suggest using an external receiver and speakers as it may not be worth the time and money to repair this problem.  -TD

Jan 26, 2007 | Hitachi 61SWX12B 61" Rear Projection...

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