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Taking 800 amps and pulsing. Fan spin. Green Light on MagSafe. How to go about this ?

Device came in with Question mark . It goes into internet recovery and I am able to format and go for re installing the MacOS. but the device heats up and shuts down. No dirt or corrosion on the board. Please help. Tried DFU Restore/Revive

MagSafe Stuck at Green Light. PPBUS was at 8.19V Reballed the SMC. PPBUS now at 8.6V but still stuck at green light. Reballed U1950 as all pins were pulsing. But still the same. Should I change U1950?

PPBUS not shorted. PP3V42 not shorted. No Green light on charger. ON PSU 18V5_DCIN is 15V Adapter_SENSE is 0V On 85W Charger 18V5_DCIN is 1.8V Adapter_SENSE is 0V

PPBUS shorted. Was checking resistance of big coils. L7960 Shorted. 0.002 diode to ground. Removed L7960. PPVCCIO_S0_CPU is shorted. BAD CPU?

PPHV_S0SW_LCDBKLT is 0V. Checked all Pins of the connector. No Shorts Getting Same value on both sides of the Backlight Fuse. 8.5V PPVIN_S0SW_LCDBKLT_FET is 0V.

Using Schematics of 820-02918. Amp meter goes upto 20V stays for sometime with good amp pull and then reboots. PP1v8_touchid_filt_conn was shorted due to a corroded cap. Removed and short gone. Still the issue persists. PPBUS shows 13.3V with just battery/trackpad and display connected. PPBUS...

Customer tried formatting and it failed. Now it will only go into internet recovery whether I press any key combination. It will not boot up from an external drive as well. I getter error 2005f 2002f. What should I do? I tired disconnecting the Touch ID and also the small board as well. Still...

Device was water damaged. PP3v_s2 was shorted. Bad caps near the wifi ic. Removed and issue resolved. Now the device is having intermittent backlight issue. When no backlight PPVOUT_LCDBKLT is 50V When Yes backlight PPVOUT_LCDBKLT is 43V It is random but I found that disconnecting and...

Device has partial backlight and the light flickers as well. Tried a known good display. its the same. PPHV_S0SW_LCDBKLT is 25V. so that is fine. What can be the issue here ?

PP3v3_g3h is found shorted after removing R6915. Injected 2V it draws upto 2AMPS but nothing gets hot on my thermal cam.

Device came in for no wifi. U3540 was heating up. Replaced - Issue resolved. It came back again after 2 weeks. Replaced U3540 again and it was fine. It has come back again. I seem to miss something. Nothing heats up now. Voltages at U3540 Pin 7/8 are 0V. Pin 2 is 0.6V. It should be higher I...

Device came in with no backlight. Some corrosion under UP800. Cleaned and reballed the same ic and it started working. it worked for 10 days but again backlight gone. I replaced the ic but when I am replacing the ic the bird gets stuck at 5v. the ic is fine as installed that chip on another...

Device came in as water damaged. There is no corrosion as such. cleaned the board. Drawing 5V and almost 0 amps. PPBUS and 3v8_aon not shorted. PPDCIN is 5V.

Drawing only 28 Amps. PPBUS is 8.6V PP3v43 is 3.4V U1900 was mildly heating up. Replaced it. Still the same. PP3v3_s5 is 0.065 Diode to ground RTC Pull up resistors line are shorted . BAD U1900?

Device had no trackpad keyboard and will only boot on charger. UT360 was shorted. Replaced. KP/TP is now working. But the device doesn't seem to detect battery and will only work on charger. Settings show battery not connected and not charging and the MacBook being stuck at 1% perennially.

Device came in with no power on. Baord was clean. PPBUS was at 8.16V. SMC was already recalled once by someone. Went ahead and replaced the SMC. Symptoms are same but the device turns on now. PPBUS at 8.16V and no MagSafe light. So Weird. KP/TP also won't work. Power Button Works. Replaced the...

Machine had come in for SMC Issue. PPBUS was 8.17V. Reballed the SMC and it started working. Came in again after 1 week. It has intermittent shut down issue. As if the machine gets hot and it goes off - fan goes high. Thermal scanning shows U4500 getting got . How to do go about it

Only FAN Spin. PPBUS is 8.6V PP3v43 is 3.4V. No Corrosion or dirt. Drawing around 600 amps. Fan Spins and the gradually goes to max in 10-15 seconds.

Machine had come in dead a a few weeks ago. PPBUS was at 12.3V and was stuck in DFU. DFU Revive did the trick. It came in again today. This time PPBUS is 12.6V. SSD Lines are not shorted as well but still get DFU Error 6 on both revive and restore. SSD1 diode mode reading is 0.400. SSD0 diode...