Question about Hitachi 55HDS69 55 in. Plasma Television

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I have an hitachi 60" plasma tv model #55hds69 my tv man said that i need a B+supply board but i cant find one, can you help no part # on the board

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You can search using the following numbers: HA01751 or LSJB1224-1

Posted on Sep 03, 2010

  • rbarry1068 Dec 02, 2010

    The HA01751 is the power module board. There is no "B supply board" (according to technical service manual) in the 55HDS69, which is a 55" Plasma TV, not a 60" TV. There are several "A-bus-xx" boards, there is an "X-Sus" and a "Y-Sus" board.

    rbarry1068

  • Jaime Hernandez Dec 08, 2010

    The B supply board is the same as the power supply and this model is only using one power supply.
    If there isn't VS voltage(90 volts) feeding the Ysustainer board Q1512 and Q1515 are not turning this voltage ON due to a short in the Upper or lower scan drive boards, if there is a short in those boards; chances are that the transistors will need to be replace.
    Let your TV man knows about the transistors failures or the scan drive boards. I've repaired a few of these plasmas with the same failures.
    Let me know if you need further assistance.

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Hitachi 55hds69


Hello Guason

You will have to taken your Tv into a repair shop they may need to replace the small signal board.

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Black out?!?!?


I finally got information from the repair shop. Apparently it is the upper and lower panel drive. The parts are supposedly not more than a couple hundred dollars, though I'll let you know when I get the bill. I do want to say that Hitachi was great when I called them. Even though my plasma is out of warranty by a few months, they agreed to pay for parts if I pay for labor. That just might keep me buying Hitachi products despite the issues I've had with my 2 plasmas.

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