Can anyone recommend an inexpensive place to purchase boards for my Sharp LCD. The repair guy said I need two new boards (I have the part numbers) that will cost $1,200 without labor. Are there aftermarket boards that I can try? Thanks for your help.
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The most common issue on these is the power supply boards. Bad capacitors on these boards are the issue and there are repair kits available if yur qualified for the repair other wise you can get new boards and swap them out. This is the most common issue in the business right now. Sharp sets are a little different in ther design on the power supplies but parts can be had and repairs can be made. You will need to balance the price for the repair vs a new set. Just Google TV power supply repair kits for Sharp Aquos and you will find repair kits and information on the power supplies.
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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.