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  1. M

    820-3115-B No Backlight

    Should I put back R9704 to measure everything? About comparing diode mode readings with the notes. I am not sure about the notes since it mentions things like FB A5 656 I guess 656 its the diode number but how about FB and A5 All the resistors around U9701 are matching schematic ohms...
  2. M

    820-3115-B No Backlight

    I did it No backlight. However I still tried to do PRAM and couldn't.. WEIRD OPTION + CMD + P + R Also I removed and reballed again just in case it has corrosion under U9701 After doing everything I am testing it with the battery!! Still image appears with a flashlight. Should I use...
  3. M

    820-3115-B No Backlight

    No history available. BKL_EN = 2.7V BKL_PWM = 0V
  4. M

    820-3115-B No Backlight

    Found bad F9700 and replace it with another one Now I do get 11.06V But still same behavior the machine turn on but still with a backlight issue. If I use a flash light I can see the user screen to login
  5. M

    MBP 00850-A - No Power - 5.10V

    Still not sure about PLAYING witch switch. You asked me to install 2 SWITCHS right? Each switch has TWO STATES = ON and OFF. After installd the switches what PLAYING means? turning the board with both SWITCH ON? or you can call it PRESSED and UNPRESSED states About your picture still far...
  6. M

    MBP 00850-A - No Power - 5.10V

    Sorry I didn't know you where at the hospital wish you recover as fast as possible. Thanks for the image it gave me a better ideia. But can you take a closer picture showing the soldering of the pads. So I match it the same way. Also should I turn on computer fully assembled with both SWITCH ON?
  7. M

    MBP 00850-A - No Power - 5.10V

    If you are not going to reply. Just cancel my account and reimburse my money. I registered this month to fix this macbook and makes end meet. If the goal of the forum is not help anymore. Just reimburse my money and cancel my account!
  8. M

    MBP 00850-A - No Power - 5.10V

    Not sure you see my question but it's NOT easy to pay it (see image attached below) for help
  9. M

    MBP 00850-A - No Power - 5.10V

    You are right. I just got 2 external switch. Can you help me solder it to the board. Dont want to make any mistake About playing with switch should I disconnect the battery and turn on with BOTH of them ON?
  10. M

    MBP 00850-A - No Power - 5.10V

    I don't have any external switch but I think it's totally doable with jumpers as I see some people doing it even with tweezers on RE032. However there's is not well documented video for my model and also "playing with" RE030. Your responses often lack the depth needed to effectively...
  11. M

    MBP 00850-A - No Power - 5.10V

    Still not clear. By SWITCH you mean a jumper soldered into PIN1 of RE032 (SOC_FORCE_DFU) to PIN 4 of RE030 (PMU_ONOFF_L)?? If not please describe with more details By SWITCH you mean a jumper that is cut in the middle so I can connect it to each other points to get into DFU and then...
  12. M

    MBP 00850-A - No Power - 5.10V

    Can you give more details about which points should I jumper? I didnt get it 100% clear
  13. M

    MBP 00850-A - No Power - 5.10V

    To be honest with you. I just tried following the wiki tutorial and using a tweezer from PIN 1 to PIN 2 on RE032 and then plugging the charger cable and NO BEHAVIOR at all. What's next?
  14. M

    MBP 00850-A - No Power - 5.10V

    Great Do you have video/image to for this instructions? Also according to the detail of what I give you related to the board. Now you think that forcing DFU will make it?
  15. M

    MBP 00850-A - No Power - 5.10V

    Ok then I am making confusion. But I still used an A1706 as the master, and a Macbook Pro WITH m3 not sure the model I couldn't put this 00850-A which is a A1989 into DFU. The commands are POWER + RIGHT SHIFT + LEFT CONTROL + LEFT OPTION right? Using the usb-c closest to the trackpad...
  16. M

    MBP 00850-A - No Power - 5.10V

    What???? I already fixed a bad a1706 with DFU. Please explain!
  17. M

    MBP 00850-A - No Power - 5.10V

    and a question that I sitll not 100% clear. Is it possible to put a 100% working computer into DFU? Or only machines that had problem? If yes. What could be wrong putting 2 WORKING A1706 into DFU? Following the exact commands on the internet. Trying with 3 different charger cable. Trying...
  18. M

    MBP 00850-A - No Power - 5.10V

    Without battery connected should it go to DFU?
  19. M

    MBP 00850-A - No Power - 5.10V

    Great I am not getting it to this case. By the way got a mbp m3 with sonoma and also not able to put computer on DFU. How can I go ahead with it? Should I compare LDO?
  20. M

    MBP 00850-A - No Power - 5.10V

    Can you give me more details about NLBA1? Never heard of that! Never did it Do you have a tutorial? with images and/or video?
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