Question about Sharp Aquos LC-37GD6U 37 in. LCD HDTV

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Sharp aquos LC-37D6U

I've experienced the same problem you described. Set had no sound, removing heatsink restored sound temporairily. Also, goop was runny beneath heatsink. Is there a service bulletin? I appreciate any help. Russmann.

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The goop under the heat sink is thermal compound and some of it is toxic so please be careful.

Posted on Apr 28, 2008

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Our sharp LC-37D6U does not turn on. The opc/dl light keeps flashing green X3 then every second or so. and the blue power button flashes also. What might we have to do to solve the problem? thank you


The main tv Tuner signal board it is dead or it have problems,but tv still usable.Tries push the remote power switch off/on again everytimes OPC/Power LEDS lights flashes.Have to do this maybe 3 or 4 times for the tv to have a lite up LCD screen panel backlight to make the tv Tuner signal board to work again,for the tv to work.If still have same problems after 3 or 4 times power switch pushes off/on still have OPC/Power LEDS lights flashes.Mean the main tv Tuner signal board it is dead and can not be trying to save it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv Tuner signal board for the replacement.This solution 100% will work,if ur tv main Tuner signal board still have life left in it.I do this every few days out of a week for my 46" Sharp Aquo LCD tv set,tv it work all the times.

Jun 12, 2011 | Sharp LC-37D6U 37 in. LCD Television

1 Answer

Can fix the audio problem myself or is there a place that willing to buy my Sharp LC-37D6U TV with no audio? I would prefer to make some off it than recycling it away.


Actually there is a service bulletin on this television. Sharp will repair the no sound problem for no charge. Call 800-237-4277. Please remember to provide feedback here if this helps you.

May 07, 2010 | Sharp LC-37D6U 37 in. LCD Television

1 Answer

LC-32D6U GETTING NO SOUND


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Almost all intermittent audio or audio failure problems with Sharp Aquos LC**D4U, LC**D5U, LC**D6U, and LC**D7U televisions are the result of a relatively simple design flaw involving the heatsink pad compound used on the Tripath TA-2024 amplifier chip (IC2502) found on the A/V board. This compound has a fairly low melting point and, over time, tends to seep out from between both top and bottom heatsinks onto the legs of this chip as well as onto circuitry immediately surrounding it. Further, over time the seeping compound also becomes somewhat conductive creating bridges which short the audio amplifier circuit causing everything from intermittent audio to complete audio failure.
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Fortunately, in almost every case audio can be completely restored by cleaning the old compound from both top/bottom heatsinks and from both sides of the PC board in the area immediately surrounding the chip (rubbing alcohol works quite well). Despite what the images say,
YOU MUST REMOVE ALL BLACK RESIDUE FROM BOARD. IT WILL NOT WORK IF ALL THE RESIDUE IS NOT REMOVED.

This kit is Sharp Part Number: PSPKIT663WJZZ and is available from Partstore.com for $19.95. http://www.partstore.com/Part/Sharp/Sharp/PSPKIT663WJZZ/New.aspx
It’s possible to get the heat pad only, Sharp Part Number: PSPAZA663WJKZ for only $9.95. http://www.partstore.com/PartSearch.aspx?PartNumber=PSPAZA663WJKZ&hiddenInputToUpdateATBuffer_CommonToolkitScripts=1&x=26&y=14

Jun 21, 2009 | Sharp LC-26D4U 26 in. LCD Television

1 Answer

Sharp LC-37d6u audio problem


Have you tried the reset buttons on the back of the TV?
It should be right below your Cable IN port.

If that doesn't work, you may have to take it into a repair shop for the main unit board to be replaced. The part # is KD352
It's $99.59 at Shopjimmy.com
So, don't let the repairman rip you off.
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Mar 31, 2009 | Sharp LC-37D6U 37 in. LCD Television

2 Answers

No sound on Sharp Aquos 37' LC-37D4U


Almost all intermittent audio or audio failure problems with Sharp Aquos LC**D4U, LC**D5U, LC**D6U, and LC**D7U televisions are the result of a relatively simple design flaw involving the heatsink pad compound used on the Tripath TA-2024 amplifier chip (IC2502) found on the A/V board. This compound has a fairly low melting point and, over time, tends to seep out from between both top and bottom heatsinks onto the legs of this chip as well as onto circuitry immediately surrounding it. Further, over time the seeping compound also becomes somewhat conductive creating bridges which short the audio amplifier circuit causing everything from intermittent audio to complete audio failure.

Fortunately, in almost every case audio can be completely restored by cleaning the old compound from both top/bottom heatsinks and from both sides of the PC board in the area immediately surrounding the chip (I used rubbing alcohol which worked quite well). Sharp has issued a service bulletin addressing this issue (LCDTV-194) wherein a ‘2502 Heat Kit’ is specified. This kit is Sharp Part Number: PSPKIT663WJZZ and is available from circuitcity.partsearch.com for $19.95. However, it’s entirely possible to get by with the heat pad only, Sharp Part Number: PSPAZA663WJKZ for only $9.95. Please note that board replacement for this problem is almost never necessary, so if you’re working with a repair technician be sure and insist that he/she be certain to try cleaning the old board and replacing the aforementioned heatsink pads before charging you for a new board.

If one is reasonably familiar with electronics disassembly/reassembly and is willing to take their time, this can even be a DIY project. It is possible to find ‘important service references’ by simply entering LC26D4U (the 5, 6, and 7 series are very similar, and this information covers all screen sizes) into the search field at eserviceinfo.com. This will greatly aid in disassembly/reassembly of the TV, as the A/V board is somewhat ‘buried’ under other boards. Please refer to post # 373 at avsforum.com/avs-vb/showthread.php?t=647174&page=13 for pics of the information detailed here.

Particular thanks are owed ‘Aureius’ of the AVS forums for his research efforts concerning this issue !

Jan 25, 2009 | Sharp LC-37D4U 37 in. LCD Television

2 Answers

No sound


there many lesson for u are problem, try to change the cable in audio in,if doesnt work try to see expers near you.

Oct 30, 2007 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

Lc-37d6u intermittant audio issue


I'll tell you but it's not easy to do it. The heat sink radiator for the audio amplifier IC is touching the circuit board. You have to remove it and to replace the sillicon. The radiator is situated on the back of the AV board. You got to remove all boards to get this one.
Good luck.

Oct 28, 2007 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

2 Answers

Sharp LC 37GB5U


I think these are the ones that you need to replace the heatsink goop with the silicone pad and the amp chip.

Oct 05, 2006 | Sharp Aquos LC-37GD6U 37 in. LCD HDTV

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