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  • Document Archive
    Lenovo ThinkPad P51s + ThinkPad Stack Mobile Projector Mobile workstation P Specification for Upgrade or Repair
    by Document Archive
    This specification for the Lenovo ThinkPad P51s + ThinkPad Stack Mobile Projector Mobile workstation can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the P51s + ThinkPad Stack Mobile Projector boardview and P51s + ThinkPad Stack Mobile Projector schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum....
    09-06-2024, 06:11 AM
  • narf
    Epson EB-U42 projector / Caps with 0.7 ohms ?!
    by narf
    hi all,

    first of all: i'm a (motivated) newbie, so please forgive me any stupid question i may or may not ask

    i'm currently repairing a projector: Epson EB-U42 that doesn't start (no lights, nothing).

    what i've found so far:
    - the PSU does its job and supplies 12V to the mainboard via the connector.
    - shortly thereafter, there is a mosfet (TS420-600B) where i can test 12V on the one side (in the data sheet this side is called Anode), Gate 0V, Kathode shorted to ground
    - not far away, there's the first cap with a resistance of 0.7 ohms....
    07-02-2024, 03:53 PM
  • budwich
    Sony Data Projector vplfh31 3LCD Blue missing
    by budwich
    Got this projector which has a problem with a lack of blue. Menu text is very yellow... expecting white. If I input a signal from a test disc via hdmi, a red screen image shows a uniform red as expect. Green similar while the blue does show but with non-uniformity. Looked at the in-polarizers. They are all good and clean. Running the projector to expose the light area in the prism block, shows each color well represented, all looking about the same intensity from the naked eye. Looking at the prism block itself and sending a light source back into the "out port", the individual...
    05-10-2024, 06:49 PM
  • Wet_Cap
    EPCOS Cap Replacement
    by Wet_Cap
    Hey everyone. Just wondering if anyone can help me with some capacitors that blew on a VFD. Caps are EPCOS B43501-S3277-M1, 270uF, 385V, three pin. Markings on capacitors are as follows.
    EPCOS
    B43501-S3277-M1
    270uF (M)
    385V 40/085/56
    10.10 S3

    Tried looking on Epcos website which takes me to TDK. Tried searching with no luck for specs on cap. I just want to find all the information I need to replace these caps. Any help greatly appreciated.
    08-28-2022, 12:00 AM
  • Mufasa
    Kodak Lumia 150 projector Part Identification - Power Button
    by Mufasa
    I have a Kodak Lumia 150 projector and the power switch fell off the circuit board when the button was pushed. The power switch itself is missing and I can't figure out where to find the replacement.
    Anyone familiar with where to find this type of button and how to source it?...
    05-09-2025, 07:09 PM
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