Question about Toshiba Regza 42RV535U 42 in. LCD HDTV

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No picture or sound, flashing yellow light, won't turn off/on

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  • 1,229 Answers

Classic problem for this TV. Although I have not repaired this model, i do know I would suspect a bad capacitor in the power supply. If you know anything about electronics you can probably fix this. First of all there are at least two boards in this TV. The signal board is the one with all the RCA jacks and RF connection. Therefor the other board is the power supply. This is the board you will be working with. Look for a bulged capacitor or two. You must replace with same voltage or next higher and the Mfs must be exact. Be sure to use a high temp cap(105 degrees). Hope this helps in your repair. Good luck and show all hands for support!

Posted on Mar 28, 2011

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: no picture

First turn on,do the power LED light stable?Few sec.Power LED and LED OPC flashes?This very common on Sharp tv,tries power off/on at 4 or 5 each time it flashes,well power up have backlight on and it work.After this doesn't work than ur Tuner Signal board it dead.

Posted on Feb 03, 2010

budmrtn
  • 11361 Answers

SOURCE: blue power light flashs and

It may have bad solder joints in the power supply board, look at the solder joints on the Thernistor and DC filter caps for leaky/domed tops.
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 pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: www.interliquidparts.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.

Posted on Jun 26, 2011

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09adb97e-8925-4d59-b218-7443a6e64989.png 82ea33aa-2353-4e13-a5db-8be13ba85711.png

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