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  1. iClub

    820-00928 No Bluetooth

    At first bluetooth worked, but no wifi, I replaced the U3730 and the wifi came back and the bluetooth stopped. PP3V3_S4_BT 3,3V
  2. iClub

    820-01700-A no power, no DFU

    Using original 96W charger Does not enter DFU No history. PPBUS_G3H - 12.63V PP3v3_G3H_RTC - 3.38V PP3V3_G3H - 3.38V PP1V8_SLP2R - 1.79V PP1V1_SLPS2R - 1.1V PP0V8SLPS2R - 0.79V PPVDDCPUSRAM_AWAKE - present 0.8V PPVDDCPU_AWAKE- present 0.53V PP1V2_AWAKE - present 1.2V present...
  3. iClub

    820-01700 PPBUS 5v

    Hello, I have this mac that was working, but stopped turning on unexpectedly. There was no contact with liquid. It replaces the U7000, Q7030/40. C7030, R7030/40 are okay. Voltage: I removed F7000/01, in the PPVBAT_G3H_CHGR_REG mesh there is 12.33V. In diode mode on the PPbus 0.275v
  4. iClub

    820-00239 Does not turn on after lightning strike

    Hello, I have this mac that does not turn on. According to the customer, it was connected to the charger and did not turn on after a lightning strike. There is no sign of burned on the board, but I identified that it has already passed through another workshop. A CD3215 was replaced (U3100), CPU...
  5. iClub

    820-01521 Possible SSD failure

    Hi, I have this mac that won't turn on, however it has all the SSD voltages and the trackpad clicks. When I put the mac in DFU mode and select the "Revive device" option, I get a "Missing data volume" message. The customer authorized the "Restore" option, and although the mac displays the apple...
  6. iClub

    820-00597 iMac 21,5" 4K 2017 Not turning on

    Hello, I have this board that is not turning on. The first LED is stable, the second one turns on for about 10 seconds and goes off. After about 3-4 seconds, the second LED turns on again, but this time it stays on. I honestly don't know if this is the standard switching behavior of this board...
  7. iClub

    820-00928 does not format or mount the SSD

    Good afternoon this mac I can not format the SSD, already tried good Bios, but without success.
  8. iClub

    820-00239 No power, no activity on USB-C

    Good afternoon, this mac shows no signs of oxidation. Ja put another Bios, but not solved. L7030 = 461 L8410 = 931 L7660 = 408 L7600 = 447 L3500 = 181 ALL_SYS_PWRGD 3,26V PPDCIN_G3H_CHGR = 20 V PPVBAT_G3H_REG = 13 V PPBUS_G3H = 13 V PP5V_S4 = 5,1 V PP3V3_S5 = 3,3 PP3V_S4 3,3 P3V3G3h = 3,4 V...
  9. iClub

    820-00239 Touch does not work

    This mac has a bubble on Flat J4402, I replaced the Topcase along with touch bar, in testing it worked, but then it stopped. I replaced the Q4400, but it didn't work. The LCD in the Bar Works.
  10. iClub

    820-01069 iMac 21,5" 4K 2017

    Hello, by any chance, do you have the BIOS file 820-01069? And also the BRD file? Thanks!
  11. iClub

    820-00923 USB-C don't work

    Hi, this mac had liquid damage and came with oxidation on the USB-C controllers on one side (U3200 and U3100). I did a cleaning but it was not successful. When I made measurements in reverse diode mode on the LDO signals, on all four controllers, I got: U3200 PP1V8_UPC_XB_LDOD: 0.466V...
  12. iClub

    820-01700 on power

    This mac has a damaged r7900 resistor, I replaced it, but the PPbus started oscillating, I guess the U7800 is defective, right ? Looking at the thermal camera the u7800 is oscillating the temperature.
  13. iClub

    820-00928 Touch Bar not powering on

    This mac suffered oxidation in the u3900 region, I deoxidized it, replaced the damaged components, it worked perfectly. The customer decided to install macOS Monterrey and had Update Critical. I was able to update the macOS only when I unplugged the Touch Bar. Now the Touch Bar doesn't work at...
  14. iClub

    820-2796 makes the headset active.

    I changed the Flat and IO POWER several times, but it didn't work, can you tell me what it could be ?
  15. iClub

    820-01598 no restore T2

    The client tried to format and install Catalina and ended up locking the mac, I tried to restore the T2, but it shows the following error "AMRestoreErrorDomain error 9 - Failed to receive a message from the device, might be a connection problem with USB host. (Communication error, possibly USB...
  16. iClub

    Bios needed 820-2491-a

    I can't download this BIOS, I need it.
  17. iClub

    820-3478 No power

    Lights up 1 led, client reports that it turned off unexpectedly. Voltage: PP12v_s0 12,12V 12_s5 12,11V PP3v3_s5 3.3V 5v_s5 5,098V PP5V_S4 5,1V pp3v42 3,4V PM_SLP_S5_L 3.3V pulses when triggering SMC_ONOFF_L.
  18. iClub

    820-00165 No power

    Good morning, this mac has suffered oxidation in the region of C1212. It came from another service where they reflowed the SMC, replaced it, but it won't turn on. Voltage: PPbus; 8,59V PP3v42: 3,42V ALL_SYS 0,115V PP3V3_S0 0,056V PLT_RESET_L 0,032V SYS_PWROK_R 0V PM_S0_PGOOD 0v Does not...
  19. iClub

    820-2936 without audio drivers.

    Hello, I have already changed U6201, U6500, U6880 and U6630, but it didn't work. I removed the R6805 and it didn't work. I don't know what to do anymore, where to measure!!!
  20. iClub

    820-2936 no logical activity

    Good morning, I have a mac that came with fan spin, but it won't start. PPVCORE_S0_CPU : stucked on 1.1V I've tried another BIOS, but without success. I've tried other RAM memories too and found small oxidations on the contacts of the memory slots, I cleaned them but nothing changed. I noticed...
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