Question about Proscan PS56670 56" Rear Projection Television

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Convergence Problem w/Proscan PS56670

Does anyone know if a convergence board is the same thing as a mirror? Or are these different parts? Would you happen to also know the COST??? My 98 Proscan model # PS56670 LG1 is having )( "this" problem, and we also lost the convergence option under the screen menu option. Whenever this problem occurs and I go to the screen options menu section to adjust the alignment the TV shuts off, correct itself and between 45 seconds to 5 mintutes later the problem starts all over again.

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Re: Convergence Problem w/Proscan PS56670


Posted on Jan 18, 2008

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The entire screen will not align with the reference marks and the red / blue convergence lines don't line-up across the screen

This tv 100% have a convergence problems,it dead.The tv convergence board,must require changing 2 STK convergence ICS and some or all it resistors.U have tools like a soldering iron,desoldering pump and solders?Know basic electronic,can u do soldering?Tries website like, to buy a convergence kit to do the repair ur self.Or the shop,will cost u $300-350 for parts and labors.

Sep 06, 2010 | Panasonic PT-47WX53 47" Rear Projection...

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Convergence problem with my LG RT-39NZ40RB,

Call Encompass Parts Distrubtion 1-800-638-3328

Feb 13, 2010 | Projection Televisions

1 Answer

RCA D61W20 Projection Television with ITC222 chassis Here is the whole thing , took this machine apart last night the mirror is in good shape cleaned the lenses, picture is much brighter now! However still...

unfotunatly the itc222 has no convergence ics it uses a series of trsansiitors. the fact that u have some areas of the screen clear may mean you need a technician to do a service alignment. when you go into setup does the convergence crosshairs move up and down and side to side on both the blue and red? if they do their may not be a problem with the power board. ONe more thing if you replace this board you will still need a technician to do a service alighnment

Jun 16, 2009 | RCA Projection Televisions

2 Answers

Need of a Convergence Board for an RCA PROSCAN Model 80690WW1

You can order a replacement Convergence Board or Convergence Amplifier Board for this model (PS8069) from a major RCA parts distributor at the link below:

RCA PS80690 Replacement Part Convergence Board

RCA PS80690 Replacement Part Convergence Amplifier Board (2F27039-502)

Please note, these boards are no longer available from the original manufacturer (RCA) and only appear to be available from PTS.

Apr 08, 2009 | RCA Projection Televisions

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Hi there, you seem helpful, I have a Proscan PS61670 rear projection TV, I believe i need to replace the IC however in my service schematic it shows the "Digital Convergence IC" on the board as a STV2040T,...

Thats an obselete IC. Your model came with two chassis designs the CTC195 and the PTK195 could you verify which chassis your model has and I will try to cross refernce it to a substitute part number for you. Please respond to this same post when replying.

Jul 27, 2008 | Proscan PS61670 61" Rear Projection...

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Proscan PS56670 56" rear projection TV

For a 10 years old TV, it might not be worth fixing it. Save your money to get a new one once this one gives up.
I would keep it running using with the back cover off using that fan to keep it cool.
Hope this helps.

Apr 29, 2008 | Proscan PS56670 56" Rear Projection...

1 Answer


the convergence board has nothing to do with tuning of tv, the convergence board put three colour gun (red, green, blue) to work with each other, else you get three image, of red , green,  blue or mixture of all as seperate image, the convergence board for american tv and Australian tv is possibly the same what you check to see the board  part number is the same you possibly need to see if the convergence board has got the memory i.c. if that is the case, you need to tune you t.v reset the channel etc good luck.
need more help let me know.

Oct 09, 2007 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

Need akai pt4799hd setup code

Do NOT attempt to enter the service mode to align convergence if you cannot align the convergence with the user's menu. If the convergence cannot be corrected with the user's menu, it means that one of your convergence IC's has burned out and possibly burned out the fuse next to it. If you change any settings without first replacing the bad parts, you will only make things much worse. I believe that set is actually a Samsung, and has the 2 convergence IC's on their own board mounted above the small signal board. If you do not know how to identify and replace shorted convergence IC's, allow a qualified tech to handle it for you.

Sep 03, 2007 | Akai PT4799HD Rear Projection Television

7 Answers

HC-P4752W - IC Replacement vs Convergence Module.

The colors weren't lining up correctly on my HC-P4752W which is only about 30 months old. I did a little bit of research and got ahold of the people at They recommended replacing the IC's as well as the IC resistors. I purchased the replacement parts from their site and made the repairs myself. I should mention that I didn't have any previous soldering experience. The repair was easy and a complete success. You may find replacement parts elsewhere for slightly cheaper but what you won't find is the prompt and detailed customer service that they provide. They gave me there # and said to call if I had any questions before or during repair. I took advantage of their services and got answers every time I called.

Aug 11, 2007 | Samsung HC-P4752W 47" Rear Projection...

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DUDE!!! Both manuals are available at I dont know where you tryed before to get a manual for these sets but both modela are available online at like 20 differant spots.. This one site is the one I trust the most, as they have 99% of any manual I have ever Needed. Good Luck

Aug 08, 2006 | Pioneer PRO-200 60" Rear Projection...

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