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  1. Y

    A1707, no image on screen, touch bar had random pixels colors

    A1707 EMC 3072, I didn't get it yet but the client said, no image on the screen but kb backlight turn on, and some random colors and pixels on the touch bar. maybe I will buy it, but I am afraid it will be a CPU/GPU issue and no fix any ideas about this issue?
  2. Y

    820-2915, slow battery charging

    820-2914-B, it has some issue with charging, when I plug the MagSafe it charges the battery consuming 2.9A directly after it decreases the amper consumption to 1.2A I think it has an issue with the Amperomter sensor after it charges the battery slowly. u7000 replaced battery SDA/SCL 0.530 diode...
  3. Y

    820-2936, fan start to spin for 2-4sec and it stop

    hello, I have 820-2936, fan start to spin for 2-4sec and it stops and it repeats, I don't know where I have to start the troubleshooting?
  4. Y

    820-2915-B, GPU Replaced but red screen in the background

    It had always red screen, iGPU and AMD I repaired it, I resoldered the lcd connector pins with a fresh solder. The red screen was appearing suddenly, even on booting screen. I didn't try in on extra screen
  5. Y

    820-2915-B, GPU Replaced but red screen in the background

    I replaced 820-2915's GPU, it was 005, I installed a chipset produced in 2019 reballed. but after 3 months there is a problem of a red screen in the background but it boot and you could switch between the integrated and the AMD GPU with no problems
  6. Y

    820-3115, not stable

    I have 820-3115, who was refurbished by someone and sold, I think it was water damaged before, the board isn't stable, sometimes it beeps, but after swapping the ram it boots, sometimes it flashes quick white squares on the screen. sometimes it won't boot but it makes the sound of the HDD and...
  7. Y

    820-2915-B, GPU Replaced but red screen in the backgroud

    I replaced 820-2915's GPU, it was 005, I installed a chipset produced in 2019 reballed. but after 3 months there is a problem of a red screen in the background but it boot and you could switch between the integrated and the AMD Gpu with no problems
  8. Y

    820-3115, no power

    also PP1V05_S0 0.4v, line resistance 11.5ohms, and on a good board 14.9ohms could be a bad CPU?
  9. Y

    820-3115, no power

    RTC_RESET_L 3.3v PCH_SRTCRST_L 3.3v PCH_INTRUDER_L 3.3v PCH_INTVRMEN_L 3.1v
  10. Y

    820-3115, no power

    Okay, but I think I was wrong to identify the page, page 16 is CPU Decoupling-I. i don't think this the one that you mean ?!
  11. Y

    820-4924 no S4 state

    PPVCC_S0_CPU 0.3ohms on page 63 all signals are pulsing and nothing shorted to froung "Pay atention to 5V filter caps for audio..." where is this cap, sorry i am still learning
  12. Y

    820-3115, no power

    PM_BATLOW_L 3.3v PCH_DSWVRMEN 3.3v PM_DSW_PWRGD, 3.3v PM_RSMRST_L 3.3v 3V3_S5 3.3v PP3V3_SUS 3.3v Check the 4 RTC signals, page 16, I found only SYSCLK_CLK32K_RTC it is 0v could you give me the 3 other net names? this values after trying SMC bypass mode and it consume 0.07a if I start the...
  13. Y

    820-4924 no S4 state

    PPVCC_S0_CPU 0.002 on diode mode :(
  14. Y

    820-4924 no S4 state

    yes, there are pulses on the big coils at the same time PM_SLP_S5_L pulse.
  15. Y

    820-4924 no S4 state

    sorry, I was wrong. PM_PWRBTN_L react when I short SMC_ONOFF_L PM_SLP_S5_L get high every ~10 sec for 20ms, but no reaction when I trigger SMC_ONOFF_L
  16. Y

    820-4924 no S4 state

    The board trying to start but it stop, normally it consume 0.01A but suddenly it jump to 0.20-0.30A and to come back to 0.2 I can't find broken traces it is clean
  17. Y

    820-4924 no S4 state

    yes i have PM_SLP_SUS_L PM_PWRBTN_L drop when SMC_ONOFF_L shorted SMC replaced no change
  18. Y

    820-4924 no S4 state

    Hello, I have this board, water damaged, no power PP3V42_G3H 3,4 PPBUS_G3H 12.59 PPVRTC_G3H 3,3 PP5V_S5 5 PP3V3_S5 3,3 SMC_RESET_L 3,36 PM_SLP_S5_L does have a ~3.2V pulse when first hooking power up. the pulse lasts about 20...
  19. Y

    820-3115, no power

    Yes, PM_PWRBTN_L drops when I short SMC_ONOFF_L and PM_SLP_S4_L always 0v I replaced SMC just in case. But no reason,
  20. Y

    820-3115, no power

    PM_SLP_S4_L 0v i already replaced SMC
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