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  1. R

    820-3115 No Backlight No Video

    OK. pn 18. Should be same or close as pin 17. This is causing me to damage screens?
  2. R

    820-3115 No Backlight No Video

    pn1 0 pn2 .546 pn3 .546 pn4 .312 pn5 .OL pn6 .579 pn7 .583 pn8 .573 pn9 .574 pn10 0 pn11 .571 pn12 .570 pn13 .0 pn14 .572 pn15 .573 pn16 0 pn17 .580 pn18 .022 pn19 0 pn20 OL pn21 .557 pn22 .557 pn23 OL pn24 .599 pn25 .599 pn26 .599 pn27 .596 pn28 .597 pn29 .592 pn30 OL
  3. R

    820-3115 No Backlight No Video

    Hey Duke. Im away from my shop. I keep frying LCD's. Got discouraged and had to walk away LOL Plus Im afraid to try another LCD. Thanks for your response. What could be causing this? I know its possible the first time the lcd blew out could have been my fault. When I was measuring I shorted pins...
  4. R

    820-3115 No Backlight No Video

    In the latest news... New test screen just got rocked. Just plugged it into another machine to compare voltages to this board and nothing. Just black. I don't know if its what ever is wrong with this board or if I'm doing something wrong. All I know is this blows. I don't have another one to...
  5. R

    820-3115 No Backlight No Video

    C9015 3.1 C9020 12.5 (shouldnt this be 50 ish?) Here's what Im working with. Dont mind the shotty work. Just for testing. Well, then, I also suck too. Thanks. https://goo.gl/photos/yHiMbq55wNuYsLkG6 https://goo.gl/photos/VJjUGfv4aUKCGavv6 Also have 12.5 on both sides of L9701 and D9701.
  6. R

    820-3115 No Backlight No Video

    im sorry. not the same. I get a quick flash of back light then black. no video no back light. thanks.
  7. R

    820- 2936, fan spins for a couple seconds then reboots.

    Waiting for donor boards to come in to replace these components.
  8. R

    820-3115 No Backlight No Video

    Hey Guys. I have tried a known good working screen and cable with same result. Thank you.
  9. R

    [SOLVED]820-2915 No Wifi

    Replaced L3401. All set. Thanks Duke.
  10. R

    [SOLVED]820-2915 No Wifi

    Hello. I have 820-2915 with no wifi (no hardware). I have already tested with known working card. Here are pin measurements from connector. L3404 is working and has been replaced just in case. Thank you. Have a good one. pn 22 - 3.3V pn 24 - 3.3V pn 26 - 3.3V pn 27 - 3.3V pn 28 - 3.3V pn 29...
  11. R

    820- 2936, fan spins for a couple seconds then reboots.

    No Title This too. I guess when I said I checked it I missed this. My fault.
  12. R

    820- 2936, fan spins for a couple seconds then reboots.

    No Title Things look pretty crappy over here near Q7520. Thanks. Have a good one.
  13. R

    820- 2936, fan spins for a couple seconds then reboots.

    All_SYS_PWRGD is at 3.1 - 3.3 when the fan kicks on, then drops to 0. Thanks.
  14. R

    820- 2936, fan spins for a couple seconds then reboots.

    Thanks for the response. I am home now. Will check when I get in, in the morning. Have a good one.
  15. R

    820- 2936, fan spins for a couple seconds then reboots.

    U7200 pn1 Fluctuates pn2 Fluctuates pn3 2 V pn4 3.3 pn5 2 pn6 .7 pn7 3.3 pn8 3.3 pn9 7.8 pn10 3.3 pn11 3.3 pn12 fluctuates pn13 3.4 pn14 2 pn15 0 pn16 12.5 pn17 5 pn18 Fluctuates pn19 Fluctuates pn20 0 pn21 0 pn22 4-9V Fluctuates pn23 0-3.3 Fluctuates pn24 0 Should I try replace...
  16. R

    820- 2936, fan spins for a couple seconds then reboots.

    G3H - 12.5 PPBUS_S5_HS_COMP - 12.5 PPDCIN - 16.8 PP3V42- 3.3 PPVRTC - 3.3 PP5V_S5- 5 PP5V_SUS- 5 PP5V_S3 - Missiing Checked thoroughly. No sign of any type of damage. Thank you in advance. Have a good one.
  17. R

    [SOLVED]820-2936 no backlight

    Holy Shit! Hahaha... I'm such an asshole! Here I am dicking around trouble shooting a logic board, when the whole time it was the Batt Indicator as you guys pointed out. I pulled one from another machine and everything is up and running. What a dildo. Thank you Aprendiz, TCR and Duke. Much...
  18. R

    [SOLVED]820-2936 no backlight

    Now having a more problems related to BKLT after running wire. every 10 -15 seconds durring OS install the screen will go to sleep and I will have to press the power button to wake it up. Any thoughts?
  19. R

    [SOLVED]820-2936 no backlight

    I'm assuming PCH is at fault and nothing else can be done. Ended up running a wire from C9711. Thank you very much for your help.
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