Question about Toshiba REGZA 42WLG66 42 in. HD-Ready LCD Television

2 Answers

I have a 32 inch tv have sound no picture

When i go to turn the tv on i get no picture but i do have sound. Do u think it could be the back light ???

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  • Toshiba Master
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Does the picture flickers show up few sec.than dies,than have sound left only.Yes,than the 1 or 2 long LCD inverter boards are dead.Tries websites like Shopjimmy.com,Ebay.com to buy those long 1 or 2 inverter boards for the replacement.

Posted on Jul 12, 2010

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  • Master
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Yes, it can be shorted out backlight inverter board, or it is not getting the 24vdc from the power supply. Look at the screen in the darkened room will also tell you if the backlight is working or not.
If you are going to DIY and have proper tools, knowledge of electronics 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 12, 2010

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Posted on Jan 02, 2017

dave1645
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SOURCE: I have a 32 inch Emerson tv..model # LC320EM8AN

t-con board is failing have a tech replace it

Posted on Sep 20, 2009

  • 1 Answer

SOURCE: Insignia LCD TV 32 inch will not come on

I received no replies to my request. I guest I stumped 2 million techs. I'll just buy a new TV with a 5 yr warranty. No thanks to joining your service, I can do bad all by myself.

Posted on Feb 09, 2010

  • 155 Answers

SOURCE: we have a 32 in lcd dell tv with sound no picture...

Yes, either a new back light, or a new inverter (the circuit inside the TV that powers the back light): http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120540641447&rvr_id=&crlp=1_263602_263622&UA=WVF%3F&GUID=a4a3861a1240a0aad0b022b0ffee21c3&itemid=120540641447&ff4=263602_263622

It looks like the parts for your TV are readily available online (unusual), but I couldn't find the backlight itself, sorry.

Posted on Mar 26, 2010

Testimonial: "thank you for a some ideas. The dell service people told me i would be better off with a new TV. I did, it wasn't a dell!"

alpug
  • 1961 Answers

SOURCE: Sanyo TV LCD 32 inch about 3 years old. No

the power supply of your tv is bad try to check the fuses if fuse are open try to replace them with the same value..try to power it on but if the fuse blows again replace the power supply board...
good luck plse rate my help.

Posted on Jun 04, 2010

  • 1 Answer

SOURCE: Samsung 32 inch LCD delay in start up

Samsung sent a tech to replace the failed capacitors on my 2-year-old 42". I had no warranty and they did it for free. It took the tech less than 20 mins and he had done lots of them. My suggestion is to get the serial and model number off the label on the back of the tv, noting the manufacture date at the same time, and call Samsung. It seems they heard the cry of the oppressed and owned up to their mistake of installing underpowered capacitors. You may get a freebie. I did not have to fight, threaten, or raise my voice, and there was no interminable number of hurdles to jump before I was speaking with a human being. I suggest you go to their website and get the contact info for your part of the world. By the way, initial contact with the repairman (after Samsung sent a fax to them itemizing the problem and authorizing the repair) was Thursday, and the fix was completed on the following Monday at lunch time.

Posted on Nov 15, 2010

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Lg LCD tv less than 2 yrs old has sound but no picture. What could be the problem? power supply, main board, etc??


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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