Question about Toshiba TDP-S8 Multimedia Projector

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TDP-S8 Did you find the problem with your projector? Mine is having the same problem with powering up, then shutting down after about 5 seconds, blinking yellow light, and that's it. Thanks. billgrove@gmail.com Bill

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  • Anonymous Jan 14, 2009

    How do you reset the lamp timer

  • hnkurtiz Jan 29, 2009

    Unbelievable! This has been going for a while at my house too. We find that if we dont use the projector for a few days it will turn back on but then once you turn it off you can't start it back for a few days. I don't want a every-other-day projector, I want one I can use when I want to use it. Guess we have to buy a new one!

  • stevehof May 11, 2010

    I've had a similar issue, but where 2 of the caps on the main board fell off!! I've put them back on but still to no avail, i'll try your method of replacing that cap, but if that fails, would you mind sending the service-manual through to me, steve at bhr2.za.net. I'm a student and a bit poor. Thanks.

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The main problem is the power supply. In detail, the output capacitor of the power supply causes the problem. I guess, Toshiba or Lite ON didn't consider the aging effect of the output capacitor. You should replace the output capacitor to fix the problem. (In some sites, they recommend to replace the power supply, but don't do that. The new power supply costs over $200 and the capacitor will be less than 50cents.) If you disassemble TDP-S8, in the power supply, you can find the electrolytic capacitor 3300uF/10V. You should replace this with any electrolytic capacitor with the range of 2000uF~4000uF/10~16V. You can download the service manual from some websites (I've paid $5 for this) then you can disassemble the projector. Of course, you need to do soldering to replace the capacitor. I've fixed this problem yesterday and it took about 4 hours for me. Good Luck~~!!

Posted on Jan 15, 2009

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Fixed! Its a very delicate operation but I replaced the capacitor as described. Don't forget to put back the lamp door cover, it toggles a switch that enables the power supply. It took me a while to figure out why the fix was not working and the darn door was the reason!
Some more info: This power supply generates 3.3, 5, and 13V plus a high voltage of 350V. Other than the lamp-cover-switch the power is always on and could be replaced by an external supply if you cannot fix any of the 4 voltages.
BTW, this made me look at other electronics that have not been working. All my blown UPSs have blown capacitors!! All my blown computer power supplies also have blown capacitors!! This is a big problem.

Posted on May 28, 2009

Reset the lamp timer

Posted on Mar 30, 2008

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