Question about Sharp Aquos LC-37GD6U 37 in. LCD HDTV
I've seen posts elsewhere regarding this, I get a ''tick'' as it powers up and no sound. I found a LC-45D4OU but have no idea whether the sound board is a separate item or part of the main board. I'm hoping it will interchange. Has anyone here torn down a Sharp LCD TV? If so, where is the sound board?
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Posted on Jan 02, 2017
SOURCE: Sharp Aquos LC 37D6U
Please be aware that this a big problem on this unit. The insulator material used by sharp to between the IC's on the AV board both on top of the boards and underneath the the AV pcb is failing. This insulator is mounted to the IC and under the metal heat sinc. Remove the back and pull the AV Board out of the unit. Use zylene or alcohol and clean all of the grey insulator from between the pins on the ic and order the replacement insulators from Sharp. Most times this will correct the no sound problem. Sometimes this has also damaged the AV pcb and it will have to be replaced. The parts that should be replaced come in a kit with sharp part # PSPKIT663WHZZ. If the kit is not available the 2 parts needed are PSPAZA663WJKZ AND PRDARA216WJFW.
Posted on Feb 05, 2008
I had the same problem on my 37" Aquos. Sound went out about 8 months ago after 4 years. Technician said it was the Sound Power Supply. Total cost to fix was $440. $250 for the power supply and $170 for labor. Has worked fine ever since. When I asked for the old power supply he said he had to give it back as a trade in. I don't believe that so I don't really know if the power supply was the real cause.
Now I've lost sound on 4 channels on my 20" Aquos. Great picture, but wouldn't buy another Sharp product.
Posted on Dec 24, 2008
SOURCE: 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.
Posted on Apr 01, 2009
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