Sharp LC42SB48UT 42 in. LCD TV Logo
Posted on Apr 24, 2011
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Spot of bad weather here, just had a power surge in the house and now our tv (sharp lc-42SB48UT) won't power on. There is no blue or red light on the front and changing outlets/surge protectors doesn't fix it (although the outlets and surge protectors do work). Any suggestions on how to find out if this is fixable?

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  • Posted on Jul 06, 2017
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The power board broken ,please replace the tv power board.

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  • Sharp Master 8,457 Answers
  • Posted on Apr 24, 2011
Chi Chu
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90% to 95% ur tv have a dead power supply board only.5% ur tv could have both dead boards the tv power supply board and the main tv Tuner signal board too.The tv power supply board.That the board,where the power a/c cord plug into it.The tv main Tuner signal board,that the board where all the exstented devices and the tv incomming broadcasting signal cable wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement first.The tv problems should be fixed.If not than the main tv Tuner signal board is dead too.Must be replaced also.

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