Question about Toshiba 37WLT66 37 in. LCD Television

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I have a toshiba 37wlt66s which has worked fine for 3 years but tonight will not turn on. the red light is on and the green light comes on for a few seconds but then goes off without the screen coming on. Any suggestions

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First place to check will be the power supply, at least look for bad caps with bulging/leaking tops.
It can also be fault in the power supply circuits or it detects shorted circuits so it goes into shutdown mode.
Please read my guide to get some understanding about LCD TV first before DIY repair.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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