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  1. M

    820-3437-B No Power No Green Light No Orange Light

    Hello again, my CH341 bios programmer just arrived (as this is the only one I could find.) First I tried it with its latch but unfortunately it is not touching the pins of the U6100 so I tried to took the U6100 off from the board and tried to reprogramme it on the device. But it didnt work...
  2. M

    820-3437-B No Power No Green Light No Orange Light

    D6950 1 SMBUS_SMC_5_G3_SCL = 3.44V 2 SMBUS_SMC_5_G3_SDA =3.44V I think the battery is the problem And do you have bios file to do Clean ME we dont have medusa here in Turkey but found another tool but need a clean bios file mate.
  3. M

    820-3437-B No Power No Green Light No Orange Light

    I am so sorry for that confusion mate. SMBUS_SMC_0_S0_SCL = 0.756 SMBUS_SMC_1_S0_SCL = 0.581 SMBUS_SMC_3_S0_SCL = 0.704 SMBUS_SMC_5_S0_SCL = 0.553 SMBUS_SMC_0_S0_SDA = 0.757 SMBUS_SMC_1_S0_SDA = 0.581 SMBUS_SMC_2_S3_SDA = 0.748 SMBUS_SMC_3_SDA = 0.685 SMBUS_SMC_5_G3_SDA = 0.550 Okay now I was...
  4. M

    820-3437-B No Power No Green Light No Orange Light

    KB /TP are working well did PRAM reset but still booting in ages. SMBUS_SMC_0_S0_SCL = 0.583 on DIODE Mode SMBUS_SMC_0_S0_SCL = 0.552 on DIODE Mode SMBUS_SMC_0_S0_SCL = 2.724 on DIODe Mode When I put the battery on and plug in the charging cable I get 2.2V on C6950 and C6951 I think the...
  5. M

    820-3437-B No Power No Green Light No Orange Light

    I have inspected 2 more problem one of them is booting the macos. It takes ages to boot the macos and it shuts itself on login screen after a while. And also it does not recognize battery and charging of course and no keyboard or trackpad working
  6. M

    820-3437-B No Power No Green Light No Orange Light

    I have replaced U7090 and 3V42_G3H been sorted too. I am going to check it for the last time
  7. M

    820-3437-B No Power No Green Light No Orange Light

    After I changed R7005 with a working one now I get green and orange light but what I realised that I get around 7.04V on L7095 pin2 which needs to be 3.42 I think is that normal but also I realised that I have 60watt charger here not 45watt does it makes it happen?
  8. M

    820-3437-B No Power No Green Light No Orange Light

    C7092 ON DIODE MODE = 0.398 I DONT THINK THATS A GOOD RESISTOR WILL TRY TO CHANGE IT.
  9. M

    820-3437-B No Power No Green Light No Orange Light

    R7005 ON DIODE OL ON BOTH LEGS D7005 ON DIODE MODE PIN 1 = 0.177 PIN 2 = OL PIN 3 = 0.405 R7005 VOLTAGES PIN1 = 16.95V PIN 2 = 2.65V D7005 VOLTAGES PIN 1 = 0.520v PIN 2 = 2.66v PIN 3= 2.40V U7090 VOLTAGES PIN1 = 0.84V PIN2 = 1.61V PIN3 = 1.60V and keeps going down while holding PIN4 =1.60v...
  10. M

    820-3437-B No Power No Green Light No Orange Light

    PPBUS_G3H = 0.175 on diode mode 3V42_G3H = 0.379 on diode mode U7100 Pin 1 = 0.003V Pin 2 = 16.70V Pin 3 = 4.44V Pin 9 = 0.065V Pin 12 = 1.62V Pin 13 = 0.001V Pin 14 = 1.56V Pin 15 = 0.60V Pin 17 = 0.006V on Pin 19 = 5.06V on Pin 20 = 5.06V on Pin 27 = 16.49V on Q7010 On diode mode Pin 1 =...
  11. M

    820-3437-B No Power No Green Light No Orange Light

    My customer brought me a 820-3437-B and had a coke liquid on it. We have changed the infected parts of the mainboard. But still no power. And I have checked all big coils on diode mode. Found short on PP3V42 but thats been sorted. But still have voltages written below after short gone. I saw...
  12. M

    iMac Don't Boot After Onboard Ram Upgrade - A1418 - 820-00430-A

    No I have changed all the rams with Elpida ones. So I have removed 4 Hynix rams and put 4 elpida rams ( I meant chips with this). I dont know if I need to do something else? Reball the rams maybe? Or the rams may be corrupted and not working? Thank you Emre
  13. M

    iMac Don't Boot After Onboard Ram Upgrade - A1418 - 820-00430-A

    Hello everyone, First time I have tried to upgrade my iMac ram storage from 8GB to 16GB. Let me tell you the story first. It had 4 of HYNIX H9CCNNNBLTBL-ARNUD ram (each 2gb) totally 8GB. Then we started to search and found out that my computer is compatible with 16GB of ram too. Then we have...
  14. M

    820-3437-B not turn on, green and orange light.

    I have got the same board same problems too. But I see that it has been cutted off here :) So I dont know where to look more. I have steady 3.0V on PM_RSMRST_L too no fan spin. And I have pulse on Smc Trigger too. Until the end of 1st page of this post, everything is same. First I got pulse on...
  15. M

    iphone 11 no imei

    Hello everyone I have an iphone 11 and we have swapped the board as we had probolems with restoring the device. Was always getting error 9 .After swapping the board device restored successfully but now having problem with no Imei on the phone. Checked the values aroudn BB and BBPmu on diode mode...
  16. M

    820-3209 Turn On Problem After Liquid Spilled

    Nothing happened on smc bypass :( but want to double check it on monday again
  17. M

    820-3209 Turn On Problem After Liquid Spilled

    Please dont be mad with me :) What is smc bypass mode and how can I do it?
  18. M

    820-3209 Turn On Problem After Liquid Spilled

    No pulse on L7630 Pulse on L7330 Pulse on L7100 Pulse on L7030 pulse between 1V - 2V on L3895 Pulse on L7720 Pulse between 3V - 4.8V on L4605
  19. M

    820-3209 Turn On Problem After Liquid Spilled

    I got no V on L7510 and L7550 if you meant so and unfortunately I can't see any L7270 on the boardview. I think you meant L7220 it is same with L5750 pulse 5V every 5 sec
  20. M

    820-3209 Turn On Problem After Liquid Spilled

    I catched it from L5750 and yes it is definitely every 5 sec goes up to 5V and back to around 0
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