Question about Sony LMP-C121 Projector Lamp for VPL-CS3, CX-2, CX

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SONY VPL-CS3 Thr LCD projector was powered down after use, the light was off and the fan was still working. Somebody accidentally pulled the power cord and the unit was disconnected from power - and died. I assume the shock could damage the lamp but .. now no any LEDs are on, including the one that indicates Lamp/cover problem. Connection of the power cord makes a typical capacitor charge ("static" noise) sound , all internal fuses are fine but the power supply does not turn on, it seems like the PS died but it hard to believe it did not survive the power surge. Do you thing replacing lamp can make any sense? Did anyone met similar problem?

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  • Halt Aug 07, 2008

    Same problem. unit won't turn on an it's not the lamp. Does anybody know where I can purchase a replacement AC circuit board.

  • rickster1222 Oct 26, 2008

    i have the same problem as well and was wondering were i could get the replacement board for it? I have a vpl--cs3 sony

  • jimmmmer Feb 13, 2009

    I have the same problem but this was not caused by cutting the power while the fan was running. Everytime I disconnected and reconnected the power in the last few months, the standby light would not come back on for a few hours. Now it seems to be completely dead except for the static hiss from the capacitors.

    I guess the ps needs replacement. Any idea where this can be sourced?

  • rmawatson Apr 05, 2009

    I have this problem, although I have taken it apart, and the first board (the one the power plug goes into) seems ok, I wired up a lightbulb to the other end so power is getting through that board ok. there seems to be another power supply for the light and other related bits. Its hard to know which board to replace, although I can see you can buy replacement boards from sonys website.

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Have sony vpl-cs3 replaced lame but indicator lamp/cover led continues to blink and the unit starts to power upthen everything shuts off when you depress the on/off switch. Any help out there?

Posted on Aug 15, 2011

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I have a problem with this projector also it only stays on for about a minute then turns back into standby fans still running showing lamp/cover light on top the problem seems to be with heat or sumthing any help?

Posted on Jun 13, 2009

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Hi there

Replacing the lamp won't make any difference at all.

If you have checked the fuse on the Powersupply Board and it tested ok , then the whole Board will need replacement.

Posted on Apr 30, 2008

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