Question about ViewSonic PJD5123 3D Projector

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How do I fix Viewsonic PJD5123 color problem and powering-itself-off problem?

Wwhen I start the unit -- the image constantly flickers for 10-20sec, stops on a random color and the projector lamp turns off. The lights are showing problem with cooling system. The projector lamp is brand new and all the fans are clean, no dust inside. Any suggestions?

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5 Suggested Answers

techman
  • 3130 Answers

SOURCE: Convergence error on viewsonic projector PJ820

your gonna need to get a service manual from the manufacturer and do a convergence alighnment with the on board generator. Unless some unknowing hands have been inside the unit.?? Contact them here at this link Good Luck service.us@viewsonic.com

Posted on May 10, 2006

techman
  • 3130 Answers

SOURCE: Image flickers

It sounds like the socket that the bulb goes into has an intermittant connection problem, or where the wires attach from the bulb socket to a plug or printed circuit board connection, or possibly a bad connection in the bulb driver circuit. Good Luck.

Posted on Mar 19, 2007

BingoDabbers
  • 102 Answers

SOURCE: viewsonic pj 800 projector

Yes.

Posted on Oct 06, 2007

  • 125 Answers

SOURCE: lamp and temp lights come on after power up and stay on. Lamp only has 330 hours on it.

OK, that explains it. The bulb you have installed in the projector might be the original bulb that came with the projecoter when it was new. Just becuase it states 334 hours does not mean it is new. In fact, you could have a original bulb with 3000 hrs and reset the hour timer on the projector, which means your 3000 hour bulb might have 3334 hours on it because the person who owned it before you, reset the hour timer.. Best bet, buy a new bulb and reset the hour meter and see what happens. If you have the same problem, then your ballest might needs to be replace which is rare...

Posted on May 30, 2009

  • 1 Answer

SOURCE: my viewsonic pj400 projector switches itself off

hello

i have the same problem, a clear image, the the projector shuts down, turn the fan on, and "lamp" blinks.

i returned my projector to viewsonic service center, they told me to change the lamp.

the problem is that a lamp is very expensive!

HudgeFR

Posted on Aug 05, 2009

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Blinking Light


+++++++++++++++++++++++++++++++++++++++++++
This is the same problem with my 4 VG800 Monitors, you should be able to find the correct capacitor on your monitors by following the same procedure, I'm sure the boards are similar. Just get the correct value capacitor and try it in parallel with the initial filter capacitors right after the DC power in.
+++++++++++++++++++++++++++++++++++++++++++

Alright, I had 4 VG800 monitors with the exact same problem. The front led is blinky OR constant reddish/orangish OR picture is white with colored vertical lines OR no picture with whistling from the back of the monitor and backlights illuminated. All problems have the same solution. You need to disassemble the monitor (2 screws on the back, remove lower front button panel, remove 2 screws holding panel in and remove speakers, then remove panel and unplug speakers. Now remove lots of tape and screws from the cover in the center of the monitor). Now that you've exposed the amplifier board and the VGA to LVDS board, you want to look for the pair of 25V 100microfarad capacitors that are nearby the DC power in (they are right next to the black "100" inductor). Desolder the capacitor farthest from the DC jack and replace with an electrolytic with the same specifications. If you want to check that this is the correct solution please put the new capacitor (WATCH THE POLARITY) in parallel with the capacitor there want watch the front panel indicator go green and the monitor work properly.

I'll be posting and Instructable entry in the next few days on the process, watch for the username Waterppk on the website www.instructables.com

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1 Answer

Convergence error on viewsonic projector PJ820


your gonna need to get a service manual from the manufacturer and do a convergence alighnment with the on board generator. Unless some unknowing hands have been inside the unit.?? Contact them here at this link Good Luck service.us@viewsonic.com

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