Question about ViewSonic VA712B 17" Flat Panel LCD Monitor

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.lcd tv not working

I have a sharp lcd tv model LC-30HV4U that was dead , on replacing power bd. the red led comes but the tv does not come on

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Cold solder on micro panel fixed mytv

Posted on Jul 08, 2008

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1 Answer

Sharp aquos LC-30HV4U red light on , does not power up , any ideas ?


I have not had that exact problem, I'm sure you have tried powering off for more than 10 minutes, for some reason that has alway fixed my issues with the same model you have. Good luck!

May 27, 2014 | Sharp Aquos LC-30HV4U 30 in. LCD HDTV

1 Answer

Sharp LC-30HV4U with only steady red lights on Display and AV unit; when pressing vol/chan/power on Display, it will go into "service mode" - what should I check next? and how do I exit service...


Good day!!!

If you have lit red lights on your TV every attempt to power ON..
That problem is usually cause of bad power supply board or main board..

If you need a step by step procedure on how to troubleshoot your TV you can go to this link and get service..
LCD HDTV ASSUMED TO FIX

Thank you for using fixya...

Nov 04, 2011 | Sharp AQUOS LC-40C32U 32 in. LCD TV

1 Answer

My Sgorp Aquos TV won't turn on and the power light on the tv is flashing. What is wrong?


Power supply board is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Apr 21, 2010 | Sharp Aquos LC-30HV4U 30 in. LCD HDTV

1 Answer

Flashing red light and


this is a inverter board defective, please send to repair shop, for repair.

Nov 29, 2009 | Sharp Aquos LC-30HV4U 30 in. LCD HDTV

1 Answer

Can I use the AVC system of a Sharp LC 30HV4U on a LC 37HV4U TV


i have the sharp lc-30hv4u but i dont have tha avc box i need buy the box if do you have i can buy call me 702 3280184 thanks

Oct 15, 2009 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

3 Answers

Sharp Aquos LC-30HV4U


replace the supply board
or repair it *** there's problem with supply

Jun 13, 2008 | Sharp Aquos LC-30HV4U 30 in. LCD HDTV

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