Macbook A2337 Amp Meter Reboot

[Instafixx]

Without FUSE Stable 12.3V at PPVBAT.
When fuse is connected AMP Meter Reboots and PPBUS reboots as wel.
No shorts on the board.

 

[2informaticos]

Possibly low resistance to ground on some secondary power rail.
Check them all (page 78).
Also check page 40.

 

[Instafixx]

PPVDD_PCPU_AWAKE is 0.035
PPVDD_GPU_AWAKE is 0.049
PPVDD_SOC_S1 is 0.039
PP1V8_S2 is 0.350
PP1V06_S2SW_DRAM is 0.075
PP0V764_S1_SRAM is 0.253
PP2V5_AWAKE_NAND is 0.389
PPVDD_CPU_SRAM_AWAKE is 0.255
PPVDD_DISP_S1 is .206
PPVDD_DCS_S1 is 0.296
PP0V6_S1_VDDQL is 0.171
PPVDD_ECPU_AWAKE is 0.125
PP0V88_S1 is 0.335
PP1V25_S is 0.289
PP1V4_LDO_PREREG is 0.307
PP1V2_S2 is 0.358
PP0V72_S2_VDD_LOW is 0.295
PP3V3_S2_UPC is 0.483
PP1V2_AWAKE_PL is 0.438
PP1V8_AON_MPMU is .392
PP0V855_S2SW_CI is 0.277
PP0V805_S1_VDD_FIXED is 0.287
PP1V2_S2_CIO is 0.476
PP1V8_AWAKE is 0.348
PP1V25_AWAKE_IO is 0.282
PP1V25_AWAKE_NAND is 0.332
PP0V88_AWAKE_NAND is 0.423

Are these okay then i will check page 40.

 

[2informaticos]

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