Toshiba 22LV505 TV-DVD:

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Question about Toshiba 22LV505 22 in. LCD TV

Toshiba 22LV505 TV-DVD:

Toshiba 22" Model 22LV505 TV-DVD:
I get sound but no picture. Just a black screen. A very dim (extremely dim) backlight is visible at start-up (when the unit is turned on), but it goes to black in less than a second. Inserted a DVD and the result is the same (sound but no picture). Is this a backlight issue? Is there a fuse for the backlight? Any fuse (in this unit) that I could replace myself?
I have unplugged and plugged the unit, tried to see if I could do picture set-up (remote control), but no luck so far.
Thanks for any help...
Kevin

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Bud Martin · Accepted Answer · 2010-07-08T04:13:00.0100000Z

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11,361 Answers

Check the DC filter caps in the power supply first. Check the 24vdc (or 18vdc for this 22" model) to see if it goes away when the screen goes black.
There are main AC fuse, backlight inverter fuses, T-CON fuses.
If you are going to DIY and have proper tools and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Posted on Jul 08, 2010

Toshiba 22LV505 TV-DVD:

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Bud Martin

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