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Got a Toshiba tv 27/30WL46 series, over 3 years now.Since 2 weeks ago i notice it was getting slow b4 the pict came on, and now its gonne, wen i turn it on nothing came on.Still can see a small green ligth in the corner but than the red and blue ligth never came.Do i need to replace any baterie inside my tv? i have a WD-52627. all of a sudden we could not turn the thing on. the green light flashes for a while then goes off. no other lights on. technician over the phone said it may be the power supply and repair is $700-$800. i'm not so sure. anyone with the same problem? any suggestions?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Toshiba 57H81 Flashing Red Power Light, Blown Fused F850+F852

Solved by resoldering some solder joints!!!!!!!
********
Toshiba Model 57H81 Rear Projection TV - Purchased 11-09-2001

Problem: Toshiba 57H81 Flashing Red Power Light, No Picture/Sound, Blown Fuses F850 + F852

Symptoms January, 2009:

  • Upon turning on set I got flashing red power light and nothing else.
  • Removing plug for one minute and plugging in results in:
    • Audible click, steady red power light for 2 seconds then slow flashing red light
    • Pushing power button results in steady red for about 2 seconds then slow flashing red light, no other set activity
  • Removing power cord for several hours and plugging back in made no change
    • Audible click, steady red for about 2 seconds then slow flashing red light
  • Possible related note: Over past several months occasionally the entire screen would flicker momentarily and at other times be problem free for weeks.
  • Fuses F850 and F852 found blown

Repairs Made:
  • PD0074 DEF/CON Power Board
    • There are two main power supply capacitors in this set. They are C-809 and C-810. One their negative lead on the printed circuit board re-soldered leads and nearby contacts. I’m told that because the factory left out a printed circuit board eyelet, the connection will come loose over time. When I called Toshiba customer service they said there was a known solder joint problem causing blinking red light.
    • Replaced blown fuses F850 and F852.
      • I actually installed a fuse panel on the inside of the cabinet and routed the fuse connections here instead of ordering the special fuses and replacing them on the circuit board.
      • Had to use a 5 Amp SLO-BLOW for F850. Fast blow does not survive power up. Get the red blinking light.
      • Used a fast blow 2 Amp for F852.
  • PD0073 SIGNAL Board
    • Re-soldered Q751 + Q752 STK392-110 Convergence Amps
    • Re-soldered adjacent pads that looks suspicious

Total Cost to Repair about $10
  • Twelve hours of my time over three days to research issue, disassemble set, make repairs, add fuse panel.
  • Already owned Service Manual and Circuit diagrams from a different 2004 repair.
  • Less than ten dollars at Radio Shack for fuses and fuse panel. Already had wires, etc.
  • Some solder. Already owned de-soldering tools, etc.
  • Visited both local authorized Toshiba factory service repair facilities. One said repair would have to include replacing Q751 + Q752 STK392-110 Convergence Amps with ST392-180, and realigning set for a total of $500+ and it would be more if they had to order a power board. NO THANK YOU! Other shop said $65 for site visit and $30 to make an estimate that could be applied to repair.

Posted on Jan 05, 2009

Slinteriors
  • 8617 Answers

SOURCE: Samsung HLP4674W - changed bulb - still no picture - lights flash

If the lamp has been replaced I would think the Lamp ballast would be most likliest followed by the color wheel and then the Digital board. You can get any part needed for your model at www.tvrepairworld.com just leave them a email they respond quickly.

Posted on Aug 28, 2009

  • 5 Answers

SOURCE: power light flashed red 4 times then repeats no pic,new bulb/fan!

Check the fan that cools the bulb. It is directly behing the bulb. It should turn on when the power comes on. It apparently has a safety to protect your tv(and home). mine is in the process of going out. looking for online solutions as we speak.

Posted on Sep 09, 2009

  • 2 Answers

SOURCE: I have a Mitsubishi WD 52628. I replaced the tv

try turning it on hold the menu button for eight seconds menu pops up try reseting the settings again as before you had the problem

Posted on Feb 10, 2010

  • 84 Answers

SOURCE: Mitsubishi WD-62525 Red Status Light After Cap Replacement

Mitsubishi V26 error code 41 with solid red status indicator is caused by leakage from capacitors C9A37 and C9A38 (3300mf/16v). The result is a bad fuse F9A02 (15amp pico) which reports error code 41 indicating short protect. The Mits part number is 283P144040 but any PICO 15a fuse will work.

Bill W.
Integrityhomeworx.com

Posted on Mar 14, 2011

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