Clevo W150HRMB-OD

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  • Chieftain
    Senior Member
    • May 2016
    • 72
    • Greece
    #1

    Clevo W150HRMB-OD

    Hello mates,,,
    I want a schematic for Clevo W150HRMB-OD.
    The laptop works fine but no screen leds on...
    I test 2 more screens with same results. No screen leds on.
    Any ideas?
    Thank you all.
    Tags: None
    • anshad
      Badcaps Veteran
      • Nov 2010
      • 249
      #2
      Re: Clevo W150HRMB-OD

      If external display OK but internal LVDS display not coming, there are multiple possibilities

      1] Screen failure - Less likely in your case as you have tried another screen already

      2] LVDS Cable failure

      3] One of the core LVDS supply is missing - check 19V LCD Backlight, 3V LCDVDD for Panel, Backlight on and PWM signals to control the backlight

      4] Discrete GPU Failure - Sometimes GPU failure may cause external display OK but LVDS display fail


      I believe the below Service manual is compatible with your model. It includes schematic diagram at Appendix B section

      https://cdn.badcaps-static.com/pdfs/...00aa56fffb.pdf

        Comment

        • Chieftain
          Senior Member
          • May 2016
          • 72
          • Greece
          #3
          Re: Clevo W150HRMB-OD

          extremely thanks for your reply...
          I have already found the schematic here :
          https://repo.palkeo.com/clevo-mirror/W1x0HRx/

          But it is a mess when I am trying to find lcd's cable pinouts in schematic
          It could be apriciated if someone knows the correct voltage per pin (the "wanted") for Led backlight trigger,,

          Thank you

            Comment

            • anshad
              Badcaps Veteran
              • Nov 2010
              • 249
              #4
              Re: Clevo W150HRMB-OD

              36,38,40 LEDP L_VIN = 19 volt

              33 BR IGH TN ESS_ R = between 1 - 3 volt

              28,30 PLVDD = 3.3 volt

              32 INV_ BL ON = 3.3 volt

                Comment

                • Chieftain
                  Senior Member
                  • May 2016
                  • 72
                  • Greece
                  #5
                  Re: Clevo W150HRMB-OD

                  I will check 36,38,40 ... There is no 19v in any pin ...
                  I really appreciate your help mate....

                    Comment

                    • Chieftain
                      Senior Member
                      • May 2016
                      • 72
                      • Greece
                      #6
                      Re: Clevo W150HRMB-OD

                      Unfortunately no difference to screnn LED light when I placed 19v to 36,38,40...
                      The other pins are voltage correct...
                      Any ideas?

                        Comment

                        • Chieftain
                          Senior Member
                          • May 2016
                          • 72
                          • Greece
                          #7
                          Re: Clevo W150HRMB-OD

                          ok... Finally I found a solution. I cut off 36-38-40 cables from base (red-orange-green), and I bridged them in 19v directly... Now laptop posts and screen LED back lights are fine... Thank you

                            Comment

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