Question about Samsung PCN5425R 54" Rear Projection Television

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Convergence service mode

I have replaced the STK.... modules on my convergence board. I bought the service manual.  My dilemma is that I cannot get into the convergence service mode.  I can get into the main service mode but not the one with the cross hairs to line up.  When in the standard remote menu, the cross hairs won't move at all.  A repair man that rebuilt my STK board suggested a power issue.  SO... how do I get into the convergence service mode and how do I check for power issues?

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Re: convergence service mode

I don't know how to deal with the power settings part but the convergence service mode is "Mute, 1, 8, 3, power".

Posted on Jan 22, 2008

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First you need to read the supply voltages to the STK's. Black things, size of 2 match books on a big heatsink. Sounds like your supply voltage is low, could be a bad STICK STK. usyually stk 130-20 or 150, etc..

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Do not replace whole convergence board.Because convergence data stored in old board cannot transfered to your new board.Means in your new board there is no convergence data.Unless you have the service manual and know how to get service menu.

I believe if you have convergence problem one of your IC (STK) is bad along with couple of small
Value resistance.

Dont forgat to Rate!

Good Luck

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Bow at top and bottom of screen

Your one and only problem is a bad convergence Amp board. Changing it will fix your set. You can contact for step by step assistant with installation of this board.
List price $100
Part Number: BP95-00142P
Hope this may help;


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Panasonic PT47WX52F

those are bridge connectors they stay attached to the A board and release from the D board. Just slide a small screw driver under the bridge on the D board side and gently lift up they will pop right off.

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1 Answer

Samsung TV model HCN5527W

The actual Convergence amp ICs not located on the convergence board are probaly what killed the origional convergence module, and likewise has killed the new board. You will need to change the convergence ICs first then replace the convergence module.
I would recommend getting the service manual . I can post a link if you would like.

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Convergence problem

you need to replace the convergance modules,mounted on middle board mounted to tall aluminum heatsink, buy 2 STK392-040 DUAL CONVERGENCE ICS from cost for 2 plus shipping 18.78. You will need to desolder the 2 old ones and solder in the 2 new ones.You will also need some ceramic heat sink compound. If you cant perform the repair order parts take to tv guy to get them sodered in. Whole mess to fix if you buy help is under 200 bucks.

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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.

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