Question about Toshiba 57H81 57" Rear Projection Television

1 Answer

Service manual (schematics)

Can someone give me a link to a schematic vendor they have used. I need the schematic for the 57H81. I don't have confidence on the vendors I see online. Some claim low prices ($5 to $10) another wants $39 for a downloadable PDF. Any help appreciated. Thanks, C5Z06

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  • 2 more comments 
  • Fred Macciocchi Oct 04, 2006

    Thanks for your input zeutaluras.
    I looked at the service manual but as you said there is no schematic. If you can supply the schematic I'd be glad to
    compensate you.
    C5Z06

  • Fred Macciocchi Oct 05, 2006

    I don't see the schematics yet but you mentioned that it may take
    some time before they appear on the site. TIA.

  • Fred Macciocchi Oct 06, 2006

    Still don't see schematics for 57H81 or 50H81. Not sure if site allows posting of schematics and service manuals.
    Thanks,
    C5Z06

  • Fred Macciocchi Oct 07, 2006

    I supplied my email address earlier today.
    Thanks,
    C5Z06

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I just bought a service manual on Ebay. I'm not at home so I don't remember the vendors name, however it was $8.50 and the documentation seems complete. I also just found this site: www.john-oliver.net/video/50H81.pdf which contains a block diagram but not the full set of schematics. If you really need the schematics let me know and try and get them to you.

Posted on Oct 04, 2006

  • 1 more comment 
  • James Clift Oct 04, 2006

    I will upload the schematics to this site tonight. I'm at work and don't have access to them now. I uploaded the service manual to this site from the web site I referenced and they tell me it takes 24 hours to publish my upload. I would email them but I dont know how to exchange emails without publishing them to everyone. I don't want compensation, however I would be helpful if you took a look at the horizontal sync problem I'm having and see if you can come to the same conclusion I have. A bit more info on my problem is that I ran diagnostics from service mode and both the main and sub sync test fails with the video input selected. When I select input from the HD inputs and run the test the main sync test passes and the sub sync fails. Sub sync is the PIP input (video in in this case). This is consistent with good picture with HD inputs, and bad horizontal sync with video inputs.

  • James Clift Oct 05, 2006

    I uploaded the schematics for you

  • James Clift Oct 06, 2006

    I uploaded the schematics however the site notified me that they are having problems and I told them I would send them directly if they supplied an email

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Schematic and any info with posting


You'll need to email me privately premtech@willapabay.org and include the model number of the Tv you have.. Also give me something of a brief on what the problem is and I'll try my best to help..
Bill

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
Member of NESDA

Jan 27, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

57H81


Kevin,
I'll send over the link for the manual to your personal addy but it won't be much help I'm afraid with identifying and removeing the hyper module. The hyper module in that unit is a square metal can standing vertical on the signal board just behind the jack panel - - leaft side looking into the back of the TV...
Screw driver and some real patience and it should be no problem to remove. From there send the module in and have it repaired and you'll be glad you did...
Bill

Mar 19, 2008 | Toshiba 57H81 57" Rear Projection...

1 Answer

Service manual, Toshiba 57H81


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 premtech@willapabay.org

May 18, 2007 | Toshiba 57H81 57" Rear Projection...

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