Question about Proscan PS61700 60 in. Rear Projection Television

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Proscan 61700 chassis ptk195 ft

Have a convergence problem- was told to change ics with stk 392-180 -there are no such beasts in the tv to replace. does something need to be replace on converg board

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  • windcity Dec 29, 2008

    There are no stk s on the c board-believe me- and there seems to be continuity. Any other ideas?

  • windcity Jan 02, 2009

    This particular tv needed the power supply board changed out-it may be the ic on that board which is stk 730-130 FYI and there are NOT 2 of them on the conv board associated with the heat sinks. The parts are no longer available for the tv so we used a refurbished board.

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My lamps on my PS61700 are out of alignment. I go to the Screen Menue but there is no #6. How do I go about aligning my lamps.

ActPac

ActPac@shaw.ca

Posted on Jan 03, 2009

  • ActPac
    ActPac Jan 04, 2009

    Where can you get a refurbished power supply? Any suggestions?

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  • Proscan Master
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There are two STK on conv. board, even if they are not 392-180.

To know if the STK are the problem, test the pico fuses at base for continuity.
Replacing STKs require a precision soldering job, using thermal compound and taking care not to damage C board. This is not a job for beginners, and should be done by an experienced technician.

Here is how an stk looks like:

proscan 61700 chassis ptk195 ft - 398eb7f.jpeg


c835318.jpeg

Mounted:
proscan 61700 chassis ptk195 ft - 61862c8.jpgsrc="http://i.fixya.net/uploads/images/61862c8.jpg" alt="61862c8.jpg" class="h_mi" />


Posted on Dec 28, 2008

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I have a sony projection tv model #KP51WS510 and I was told the convergance amplifier was going out and I was needing info about where it is located so I can change it out. Thanks


convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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Your set doesnt have STK ICs. If the convergence adjustment option has disappeared from the on screen menu, then replace FL231, DL231 and CL230 If the adjustment option hasnt disappeared from the menu then you need to check the resistors on the convergence power supply board some of those will be open. The actual convergence Board will usually not develope problems just the Convergence power supply if the convergence adjustment option is still in the on screen menu.

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Replacement STK numbers for convergence amps


This unit does not use the STK series convergence amps.The convergence power supply is what you need.I will provide that number for you after while.

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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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Convergence


1) Repair convergence circuit = replace STK IC's

2) Reset alignment with customer controls

3) Internal alignment,if needed.................................T.

PS. Major hand re-solder will be needed when chassis is out.
Preventative,necessary...............

Nov 28, 2007 | Mitsubishi VS-5043 50" Rear Projection...

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Distorted picture


The RCA P52960 uses the PTK195 series chassis. There are 2 main boards at the bottom of the set and above the board on the right (when viewed from behind) is the convergence power supply board. This board usually has a big black IC on it, labeled STK730-010 and bolted to a metal heat sink. Chances are, that IC has burned out and stopped working. Replacing that IC should restore your convergence. If you do not have experience replacing IC's in projection sets, allow a qualified tech to handle it for you.

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