Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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Big screen tv repair

My 65" jvc tv will not power on it just clicks in the rear and the green on button in front fades on and off

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  • Anonymous Apr 12, 2009

    is this thing hd?

  • gadarts Apr 29, 2009

    I have the 48 in set and the same thing is happening. It clicks in the back ad then shuts off. Is there a relay switch for over vlotage or something that ca be repplaced?

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  • Master
  • 3,130 Answers

There is a short in this TV set somewhere. The TV set is trying to come on but because of the short, the power supply shuts down. No if it is not the over current shutdown, it could also be the main power supply with an over voltage shutdown protection mode. These are solid state TV sets and should only be worked on by trained techs. Good Luck

Posted on Sep 29, 2007

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This tv has two big black ICs as convergence output on deflection circuit board that are defective and causing problem in tv, IC number is STK392-110
replace both ICs to solve tv problem, also chekc for faded color big resistor nearby these ICs or those got burn mark, replace these resistors with same value, aslo check cold/ dry solder joints in deflection circuit board and resolder these joint/ connections.
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If you guys do not have hand soldering skills or know how to use a multimeter, I would suggest to replace the whole assembly.
If you know how to solder you can just replace 2 ICs that are mounted on the big black heatsinks and possibly 1 or more resistors.
Click here to find the entire assembly for your TV.
The link provided is for parts for the AV-56WP74 model ONLY. For the 65 inches; you should contact the vendor and provide the correct model number.
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