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40tl868 toshiba BACKLIGHT LIT NO SOUND/PICT

NO SOUND OR PICT BACKLIGHT LIT GREEN LED ON FRONT LIT NO REMOTE OR LOCAL CONTROL FUNCTIONS.FIRMWARE PROBLEM ???? THANKS P.H.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
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click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

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Benimur
  • 6966 Answers

SOURCE: Sony KDL-40S20L1 Flashing Standby Led, No pic, No Sound

Hi, If all else fails, try do a hard reset. You can verify from your manual, but in some units, this is merely unplugging the unit from mains for a couple of hours. Try again, if it still shows error codes (blinking lights) you probably have to seek the services of a qualified professional. Hope this be of some help/idea. Good luck and kind regards.

Posted on Aug 26, 2007

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mpaint
  • 36 Answers

SOURCE: RCA L42WD22YX5 TV green light but no sound/picture

Recommend opening it up and looking at the power board and see if there are any visible Bulged or leaking capacitors.
Bad caps are a major source of computer and LCD no post problems.
If you find em, then just find replacements with the same uF and voltage and solder them out/in.

Posted on Jun 28, 2010

budmrtn
  • 11361 Answers

SOURCE: Toshiba 22LV505 TV-DVD:

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

  • 453 Answers

SOURCE: TV switches from green light to red light every 20

the problem on ur tv is the power supply if u take the back cover off and look close to the power supply u would some bad capacitors , 3 to 6 bad cap or it can be only one thats way the tv is not working , if u try to replace this bad cap the cost woulbe about $50 with the solder station or u can call a tv repair shop and see how mush cost to replace the bad capacitor on ur power supply but u has to take the power supply from the tv and take it to the repair shop

Posted on Dec 31, 2010

bugoy31
  • 1238 Answers

SOURCE: Hi, I'm giving you a full

Good day!!!


That problem is usually have 2 causes..Its either power supply board or main board..





But you said that you order PSU and realize that its not the problem...Since then the PSU is there I suggest to replaced it because the possibility of faulty PSU is big...Normally if the PSU got a voltage drop you can also have blinking LED and lit red...





But if the problem is still there after you replaced the power supply board...That problem could be on the main board..



If you need more clarification or query just add a comment and I will give the info you needed...



Thanks for using fixya..


Have a nice day!!!

Posted on Aug 11, 2011

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Hello, I have Toshiba TV Model #47L7335D. When I turn it on, Green LED on front flashes green then No pic and sound


Main digital board fault. Check and replace it. In most cases a firmware update too might be necessary. If you wish to get more details visit the site linked here. http://electronicshelponline.blogspot.com/

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I have connected Lantronix UDS1100 Device with Siemens AZL Meters. But not able to get complete data on front end.


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Thanks,

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