Question about Sylvania LC320SLX 32 in. LCD TV
The high pitch may be coming from the power supply due to bad DC filter caps or failing components, or from the backlight inverter board, you can try disconnecting the power cable to the inverter board first and also check the DC voltages.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Please post back what you find.
Posted on Nov 11, 2010
The tv power supply board is dead.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole referbish power supply board for the replacement.
Posted on Nov 09, 2010
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Posted on Jan 02, 2017
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