Question about Toshiba 55H70 55" Rear Projection Television

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Does anyone know where i can findĀ  a BP4100049 i need at least 3 of these parts and they seem to be getting scarce. Any advice will help.

Thank You

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They all have the same problem, eather it's the diode need the horz, or the stk convergence.

Hope that helps

Posted on Oct 30, 2007

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Anyone need any parts for the HCL4715W? Parting mine out.

More then likely set has 2 burt resistors on convergence board 2.7ohms

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Convegence board

your model has the Ics and resistors on the sub delection PCB board. You can get a new replacement board at the following link with free tech support to help you install it as it the entire large circuit board on the right side of the set. You need the board called the P54A chassis Sub deflection board under their Samsung parts category.
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If you ever need any parts or service info just go to this link, you will be glad you did. They will save you alot of money and frustration.

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1 Answer

Conversion Problem

did you remove one side of the resistors before checking them with the ohms meter? They have to be out of circuit to accurately check them. Also you need to be careful where you purchase the ICs as alot of places sell the chap chinese versions and they often fail within a few days. Heres a link where you can get quality ICs and resistors as well as free tech support.

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Power circuit board needs to be replaced

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Rear projection problem. samsung sp48t5hp

The board sits up high above the larger screw &
four plugs sounds right. Bad part is STK392-040. If you decide
to repair----replace both IC's for reliability. I use Panasonic brand
to eliminate re-calls. Re-set alignment....done....T.

Oct 30, 2007 | Projection Televisions

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

2 Answers


Start with had trouble with the model # you gave----?? Can your circuitry be repaired??If no,why???

Oct 08, 2007 | Samsung HLR5067WX 50" Rear Projection HDTV

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