macbook a1706 in dead condition

[Arshad alam4659]

today i received a macbook a1706 in dead condition When I removed the battery the laptop started up i connect the battery again and press power button but laptop not turn on
I did smc reset and the laptop started . I have to reset the SMC every time to turn it on. It does not turn on without resetting the SMC. Sometimes it starts without resetting the SMC.
someone guide me what is the problem bad smc or anything

[Arshad alam4659]

Customer took the laptop and he will come after a week, I noticed that if I close the laptop lid and then open it then the laptop won't turn on, I thought the hall switch is bad then I removed the j5250 and j5260 (hall effect pad) and the laptop turned on and after a few seconds it turned off, no display and I put the j5250 and j5260 then the laptop turned on and the display came on, what would be the problem
Do I need to replace the j5250 with a new one or will the display come back on just by removing it

[Arshad alam4659]

Customer took the laptop and he will come after a week, I noticed that if I close the laptop lid and then open it then the laptop won't turn on, I thought the hall switch is bad then I removed the j5250 and j5260 (hall effect pad) and the laptop turned on and after a few seconds it turned off, no display and I put the j5250 and j5260 then the laptop turned on and the display came on, what would be the problem
Do I need to replace the j5250 with a new one or will the display come back on just by removing it

anyone help i want to disable lid sensor

[mon2]

Test the SMC_LID sensor that is inside of the trackpad which may be faulty. Suggest to have available a known good trackpad for testing. You are confident that the display is not faulty from flexgate? Test if the caps key toggles after a period of boot time. Perhaps the display is dark due to this known issue with this series. If you truly disable the lid sensor, the display will continue to consume current with full on brightness and will drain the battery very quickly - even when the lid is closed. Therefore, this bypass is not the answer.

Battery is a known good battery? Test the SMBUS SCL / SDA lines - check their voltage to ground. If either line is flaky, this can halt the boot process since the same lines are being shared with the ISL chip that creates PPBUS_G3H.

[Arshad alam4659]

Test the SMC_LID sensor that is inside of the trackpad which may be faulty. Suggest to have available a known good trackpad for testing. You are confident that the display is not faulty from flexgate? Test if the caps key toggles after a period of boot time. Perhaps the display is dark due to this known issue with this series. If you truly disable the lid sensor, the display will continue to consume current with full on brightness and will drain the battery very quickly - even when the lid is closed. Therefore, this bypass is not the answer.

Battery is a known good battery? Test the SMBUS SCL / SDA lines - check their voltage to ground. If either line is flaky, this can halt the boot process since the same lines are being shared with the ISL chip that creates PPBUS_G3H.

i tried without trackpad and without battery and without connect screen cable, with external display same issue when i closed the laptop lid and then open it then the laptop won't turn on, when i removed hall pad why laptop is turned off after few seacond without giving display

[mon2]

There are sensors in the trackpad. Test with a known good trackpad for this unit.

From post #4

Battery is a known good battery? Test the SMBUS SCL / SDA lines - check their voltage to ground. If either line is flaky, this can halt the boot process since the same lines are being shared with the ISL chip that creates PPBUS_G3H.