20 Most Recent Toshiba 55H70 55" Rear Projection Television Questions & Answers

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Dark spots on my JVC 61" tv

dark spot could be a faulty led. if you put a program on that is in white screen you should see all the leds light up the screen. dark spot will be were the led is not working. if on white screen and they all lite up but still dark around the area, it could be the lcd screen. and could be dying pixels. and try this video https://youtu.be/wlA2rcrAOCs
2/10/2018 4:50:42 PM • Toshiba 55H70... • Answered on Feb 10, 2018
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Toshiba Cinema Series projection TV 1998

Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size. Search the site by type in the "brand name" to your device; [Exclude the model number], in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
6/23/2017 2:00:48 PM • Toshiba 55H70... • Answered on Jun 23, 2017
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14answers

TV is not powering up and red light keeps flashing

I had the same red blinking led problem on my Toshiba Theaterview tv. I resolved by:
- Unplugging the tv.
- Press several times (3 or 4 times) the tv Power button.
- Plug the tv back in and press the Power button once to turn the tv on....tv worked!!!

I've had the problem before and tried unplugging the tv for a couple of days and that had also worked, but I this recent solution seems to be faster.
Good luck!
Erick
6/23/2015 12:37:08 AM • Toshiba 55H70... • Answered on Jun 23, 2015
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How do you the ballast

How do you know it is bad? i do not EVER recall a bad ballast on a Toshiba. Likely the generic lamp you used will NOT fire--Toshiba sets are VERY particular about lamps. that--or a bad color wheel.
5/8/2014 3:50:42 AM • Toshiba 55H70... • Answered on May 08, 2014
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1answer

65" toshiba projection tv no picture but has sound..

if you could hear only sound in tv and not picture means it might be the picture tube problem just check it.
4/28/2014 4:48:42 PM • Toshiba 55H70... • Answered on Apr 28, 2014
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The colors / pictures are all distorted, I am

this is convergence. you can bang on the heatsinks and if it snaps back into alignment, you just need to solder. look for the large heatsinks.. 2 of them, 1 for each chip. there will be chips on them labeled stk392-110
if banging on it doesn't snap it out, you will likely have to replace these chips.. lots of soldering
6/14/2013 4:46:48 AM • Toshiba 55H70... • Answered on Jun 14, 2013
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1answer

Disassembling 518h3

I have the same set. I have not found any videos online as of yet, but hopefully this link will help.http://www.doityourself.com/forum/entertainment-center-tvs-stereos-vcrs-dvds-8-track-tape-players/296524-broke-toshiba-55h70.html#b
2/27/2013 7:01:56 PM • Toshiba 55H70... • Answered on Feb 27, 2013
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