Toshiba 57H81 57" Rear Projection Television Logo

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Edwin Wilson
Edwin Wilson Posted on May 18, 2007
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Service manual, Toshiba 57H81

I tried to buy a service manual for this TV, it has been on back order for over a month. Anyone out there have one that they will part with? I need to remove the hyper board and replace the 10ufd electrolytic caps. Thanks, swabee

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  • 3 more comments 
  • lalston Mar 22, 2008

    Also need service manual for Toshiba 57H81. Any help would be appreciated. Thanks.

  • flynavy21 Aug 03, 2008

    could you send me the service manual as well please i need to replace this part as well because my tv has the blury and jiterry video my email is [email protected]

  • jdespres Oct 22, 2008

    same problem here. Can you forward the manual to me at [email protected]?



    Thanks a million.

  • teresa164 Feb 10, 2009

    I have the same problem with my 57H81, can you send me the schematic's also. [email protected], Thanks

  • sose5000 Apr 30, 2009

    Can someone send the manual to [email protected]?

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Anonymous

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  • Master 934 Answers
  • Posted on May 25, 2007
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Joined: May 22, 2007
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Send me your email address and I'll send you a Pando link to download the schematic... The caps you're looking to find are Cx261, Cx270, Cx230, Cx178, Cx221, Cx250, Cx670, Cx241, Cx541. You might also check C514 and C5030 all are 10uf\16v but be VERY careful not to screw-up the pads lifing the smd caps in that module. Bill [email protected]

  • Anonymous May 25, 2007

    PS: something was left out of my above... I can send you a link for the service manual, schematics and addendums..

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I need the service manual for my Toshiba 57H81
Here you go :)
http://www.nodevice.com/user_manual/toshiba/television/57h81.html

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I recently had a toshiba 57h81 rear projections screen tv given to me. I tried to use the auto focus feature and noticed that the green lines are curved towards the middle of the screen. When I tried to do...
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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.
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Jan 04, 2009 • Toshiba 57H81 57" Rear Projection...
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Toshiba 57H81 service manual
A 57H81 is not easily disassembled and I wouldn't suggest that over getting a pair of forearm forklifts and a couple of guys to load it in the back of a pickup...
The sevice manual will not show the brakdown you need - and it's not really practical. Guess that's why movers should stick to moving and I'll stick to Tv repair...
http://www.buystraps.com/Default.asp?tcode=asp&bhcp=1

Bill

Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
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57H81 Service Manual
I'll send it to you via Pando...
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You will need a service manual to troubleshoot the set to be able to find whats going on with it . Its in shutdown mode with the led flashing. A good manual is available at this link.
http://servicemanuals.vstore.ca/
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Mar 19, 2008 • Toshiba 57H81 57" Rear Projection...
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Service manual
Hi,

Go here and enter ur email id and start download

Goodluck,
Dont forget to rate me as fixya..
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Jan 30, 2008 • Toshiba 57H81 57" Rear Projection...
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Toshiba model 57H81
If you have zagged lines there are 10 small surface mounted capacitors you will need to change on the HYper Board. This is not an easy repair so alot of folks simply replace the hyper board. You will need a service manual to take this set apart and to get the proper part number. If you have no TV repair experience or do not know how to solder, as the hyper board has sheild arounfd it, you should play it safe and call out a pro to assist you in this repair. Good Luck
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