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

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Tony Fidaleo's Pioneer PRO-700HD

Jamie867 after our last correspondance 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. I am inclined to replace instead of repair at this juncture. 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.

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

Thanks,
Tony F.

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I had an issue with my PRO-700HD: The main power would come on fine, however when i would power on the standby power, it would click on, the light would turn green, and then it would turn off again a second later.

I called a service tech, and they repaired it. I asked whether or not it was the power assembly, and they said no, it was the convergance circuit. They were here for about an hour, one person doing something with a drill behind the TV, the other was soldering a circuit board they had pulled out.

Posted on Oct 24, 2009

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I have the same problem with my tv now. Did you end up finding a solution? I dont want to pay the 350 dollars. Please help. my email is rebelguy52@gmail.com

Posted on Aug 10, 2009

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Once I look at the schematic diagram, I might be able to know the part that is blowing that fuse.

Posted on Jul 28, 2008

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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.

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