Question about JVC HD-52G786 52" Rear Projection HDTV

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Hello i have a jvc hd56g786 and it wont turn on the light just blinks

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You should check the Lamp:
BAD LAMP
hello i have a jvc hd56g786 and it wont turn on - c5c266c.jpg


Posted on Jul 25, 2009

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Dec 04, 2008 | JVC HD-52G786 52" Rear Projection HDTV

1 Answer

Qustion about a JVC DLP set. Please help!


Hi and welcome to FixYa,

Sorry but there could be a number of possibilities and the best diagnosis would be to perform voltage checks of critical boards and compare with known readings. Common problems could be as simple as cold solder or loose connections, thermal fuse of the cooling fan or the light engine in some models not necessarily what you have.

This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings.Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Good luck and Thank you for using FixYa.

Dec 04, 2008 | JVC HD-52G786 52" Rear Projection HDTV

1 Answer

Hello i have a JVC model # HD56G786 DLP TV. The problem i have is that the set will not turn on. Whe i try to boot the set up it starts as normal as the blue power light stays on and the small red...


I would agree with you on that the power board could be at fault. The best course of action would be to get the board/TV checked out professionally. It could be the dry joints, resistors or capacitors.

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MY JVC HD56G786 TV


If the Mirror broke while the TV was sitting upright, the pieces of glass got down inside the light engine and the cooling fans. I don't think you took the light engine apart to clean out all of the glass so the main cooling fan is probably not running and causing the warning. There is no sensor for the mirror. Did you remove the chassis to clean the glass? You cna remove it again and try powering it up out of the cabinet. There are four fans that need to be running. If the light engine is filled with glass the fan at the bottom of the air exhaust will not turn.
I am fairly certain that since the TV was discarded there is more wrong with it than a broken mirror.

Jan 22, 2008 | JVC HD-52G786 52" Rear Projection HDTV

1 Answer

Tv problem jvc hd56g786


your lamp bulb is probably finished so get a new lamp bulb they are easy to replace just look for a small panel on the side of you tv all you need is a flat head screw driver to open the panel and you should be able to pull out the lamp bulb

Oct 14, 2007 | JVC HD-52G786 52" Rear Projection HDTV

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