Question about Sony Grand WEGA KDF-55XS955 55" Rear Projection HDTV

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Picture if fine, no sound whatsoever. Is there a sound board inside, etc.?

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My 2008 Samsung 50" Plasma tv screen went black a week ago. Never had any issues with it until then. Turns on/off fine, sounds is fine, channels change, just no picture whatsoever. Model#...


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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IS there a circuit board inside that speaker? You are correct about the general loss of sound quality that usually occurs with speaker failure. Best way to check is with a meter or a scope

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Hi,
go to ebay and search for TEXAS TV PARTS or texasgreatdeals4you.
then Ask this guy to fix your board,he will tell you which board to send to them.
alright.

Jul 07, 2012 | Toshiba 42H81 42" Rear Projection...

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55 inch vizio turns on but no sound or picture is there anything I can do


Sounds like a defective main board. but there could also be a problem with the power supply board. Check for bulging capacitors in the power supply. Turn the TV on, turn off the lights in the room and shine a bright flashlight o on the screen. If you don't see any image whatsoever, most likely you have a defective main board

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I have a Samsung Hl-P5063wx/xaa that I recently replaced the bulb (3 months ago) then a week later replaced the color wheel. I now get only sound no picture whatsoever. I hooked up a different tv to the...


Remove projector assembly and clean out dust from cooling fans inside of it. It will require some disassembly. Then have capacitors checked on the power supply.

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1 Answer

I have no picture. Sound & Signal are working


Hi,
It seems back light inverter board is not producing voltages to lit the back light inside lcd panel to show the picture on lcd screen.
Please replace back light inverter board to get tv fixed. Local tech will help you if you are not familiar with tv repair.
Thanks.

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This sounds like your Z sustain board has gone bad. I just repaired an HP plasma today with the same complaint. All the modules inside were LG. The Z board is the one on the Right side of the set with the cover off or facing the back. You might have 1 or 2 ceramic fuses on it, check them, if one is bad Replace the board.

Apr 28, 2009 | Philips 42MF230A/37 42 in. Plasma HDTV

1 Answer

Picture appears for 3 sec then shows no signal


HELLO MAKE SURE ALL THE CONNECTOR CABLES ARE TIGHT ON THE MAIN BOARD IF THEY ARE OK CHECK THE INVERTER BOARD FOR DRY JOINTS GOOD LUCK

SHAUN

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No power to the boiler--- breakers are all fine


What type of unit do you have, need details, if it is a split system there will be a pc board inside inside / outside or both units, on the board will be a glass fuse, turn power off at switchboard before removing covers.

Nov 12, 2008 | Heating & Cooling

1 Answer

Picture starts flashing slowly and then more rapidly


if your handy and know your way around , open the TV to get inside and do a visual check for any DRY SOLDER on the PC board .specially around the POWER SUPPLY AREA and the
horizontal output area , those area gets a little heat on the board . do some REsoldering. if you can take out the PC Board
and do the inspection , will be much better . hope this been helpful. good luck

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