HDD GURU FORUMS

Hello all,
i am looking for a donor PCB in this case. Any hints drawing regarding PMIC and LDO's on SM2320 architecture?
I have seen newer Netac ZX20 and Kingston XS2000, also, but using different layout and components for them.

Update

Looking for: donor PCB or a full unit ZX20 1TB working condition or with logical defect, not detected, brocken connector..
PCB: PBU851M03_SM2320_BGA256_4BGA132_6L_U0608
NAND: NTEF021Y3EJ1G9 × 4 (Micron 176L TLC BGA132)
Controller: SM2320G AB (11YX12.00, 2141)
Capacity: 1TB

trying to fix the side failure, by identifying the LDOs mounted on. Markings Vt GB and VtF GB, same 7 pads asymetrical as in the pictures. Can somebody help here?

more details - power management