Top 20 Sharp Aquos LC-15A2U 15 in. LCD Television Questions & Answers


We have the same TV. In settings for sound you need to select the port directing where you want sound to play. It may be that it is currently setup to play to a sound bar.

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The replacement power board may have failed, possibly due to some other failure condition.

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Do a reset to this TV, and then check. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.//

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Record model number and google sharp software upgrades. You may not even need to load it , but it always solves my problems as you describe as yours. Good Luck

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the motherboard needs replaced, due to the onboard voltage regulator is out.

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Checked Power Board is it any solder is not proper. Resolder all main point.

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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Sometimes the main board causes the failures of other boards. This can only be determined by process if elimination...

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Open internal fuse or power supply failure

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Hi Amy,

The number you have there is the part number of the remote for the TV. I found the model number for the TV itself and the manual for the TV. The model number is LC-22AD1E, the manual for that is here:
http://www.sharp.co.uk/cps/rde/xbcr/documents/documents/om/11_lcd-tv/LC22AD1E_OM_GB.pdf

Hope that helps.

Jeff at Remotes.com

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