Question about Akai PT4799HD Rear Projection Television

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Akai pt4799hd service code

I read another post of some one asking for the service code, but he was shot down. Does any one know the service code for the PT4799HD? I would like to do some geometry corrections, and i can not find a reliable service manual. Is it a remote feature, or a buttion combo on tv turn on?
Thank you :)

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  • 4 more comments 
  • Joesipaq Dec 23, 2008

    yes, that was the first thing i did - i though it would be the easy way out... And all the resistors are within tolerance, the most out is about 2% below, but I re-organized them to even out with a higher one so -2% and a +2% one because they are in parallel. As for the fuse, i can only assume it is working... the convergence is off only by so little, and the perfect focus had a broken off sensor so that it would not work. It then gave me the SEE FACTORY DATA error... and that ever since. So the service code would be much help.
    Thank you :)

  • Joesipaq Dec 23, 2008

    i was also wondering, about another TV i am working on, if it has stk392-110s in it, and i need to replace them, what should i replace them with? i could simply get 110s but i have been reading that upgrades are possible - for the heating issues because they can handle more wattage

  • Joesipaq Dec 23, 2008

    Thank You :) And I always buy The ICs in a bundle of 2. I don't want to have to open it up in a couple more months because I was too lazy to do it right the first time!
    Thanks again!

  • Joesipaq Jan 10, 2009

    This tv since i got it also- when i try perfect focus, has said- SEE FACTORY DETAILS, and will not continue. Any ideas how to fix this?
    I tried to run the perfect focus from the service menu, which worked, then add/del but it did not keep it in memory.

  • Joesipaq Jan 10, 2009

    yes there are ladywinn and you are one, thank you!
    But in regards to the addition of my question, do you know?
    Thanks, and i have been letting my friends know :)

  • ladywinn
    ladywinn May 11, 2010

    Has the STKs been replaced?If not replace both of them.Then try convergences.If already replace and still needing to aline ,let me know and i will give you service code.Also have pico fuses and resistors been CK?



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  • Akai Master
  • 5,138 Answers

STK392-110s Do Not hold up some get so hot the pins fall off of them, USE STK392-180s always replace Both of them!

SERVICE CODE - Press Mute-1-8-3 with set on !
OK now use vol- and vol+ and ch- ch+ to adjust up&down-------- mute to stop where you need to ajust Press menu to adjust When done with alinement Press ADD to save your adjustments/ to change colors (7)sets RED (8) GREEN (9) BLUE.

Posted on Dec 23, 2008

  • 1 more comment 
  • ladywinn
    ladywinn Dec 23, 2008

    Press (7) for RED Press (8) for GREEN Press (9) for BLUE

  • ladywinn
    ladywinn Dec 23, 2008

    Just in case Found another way to Enter Service Menu

    Turn set OFF with handunit PRESS Mute 1-8-2 power.

  • ladywinn
    ladywinn Jan 10, 2009

    Thank You for Using FIxYa Tell all Your Friends When in need of Help to a Problem This is the Place to come to for Correct Answers! I ll Bet This Made your New Year. Their is Alot of Good People Here Who do try there best to Help.



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