Question about Pioneer PRO-700HD 64" Rear Projection Television

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Continuing questions from Tony Fidaleo

Comment by TEFidaleo, posted on Jul 26, 2008 After our conversation I began to pull the power supply assembly. I then noticed another bank of fuses and found a 5A/125V (Pioneer part number FU206 per the circuit board) fast burning fuse was burned out. I went to Radio Shack and purchased a bag of the 5A fuses and had the fuse (FU101 10A/250V) tested that I could not see through yesterday and it checked out as good.

I replaced the burned fused and reconnected the power cord but the fuse quickly turned red and burned out (I did this twice and then unplugged everything).

Per the partial service manual I purchased yesterday (did not realize there were 2 parts to the manual) I noted this fuse is part of the Power Supply Assembly (Pioneer part number AWV1710).

Per the pioneer site the power assembly is in stock. At this juncture I prefer to just buy a new board and insert. However, before I order a $352 part I want to make sure that is the appropriate course of action, i.e. I don't know if that fuse could blow from a problem in another area/board. Also if I replace with a new board does that impact the TV's adjustments in any way?

Your recommendations are appreciated. I would be glad to email the Service Manual I have if that helps, it is in a PDF file.

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  • BTDJS Mar 15, 2009

    I am having the same problem. Did you ever it it resovled & if so, how much out of pocket was it to get fixed?

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I've sent you an email to request the copy of your PDF file to see what part in the circuit is making the fuse blow.

Posted on Jul 28, 2008

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Just removed the rear panel cover then electronic board housing cover.
Took power supply board with all the connector cables and replaced with new one.
Problem was a transformer connector which got burned and blow up the plastic cover.
But no problem with fuse and capacitors.

Thanks all for advises.

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