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Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_4BGA
http://forum.hddguru.com/viewtopic.php?f=10&t=46010
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Author:  eiedr [ April 28th, 2026, 3:35 ]
Post subject:  Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_4BGA

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.

Attachments:
Top populated side.png
Top populated side.png [ 405.71 KiB | Viewed 281 times ]

Author:  eiedr [ April 28th, 2026, 3:53 ]
Post subject:  Re: Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_

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

Author:  eiedr [ May 31st, 2026, 8:41 ]
Post subject:  Re: Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_

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?

Attachments:
ZX20 1 TB OFN 7 pads LDO Netac SSD.png
ZX20 1 TB OFN 7 pads LDO Netac SSD.png [ 1.58 MiB | Viewed 156 times ]

Author:  eiedr [ May 31st, 2026, 8:49 ]
Post subject:  Re: Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_

more details - power management

Attachments:
SSD PowerManagement detail.jpeg
SSD PowerManagement detail.jpeg [ 413.97 KiB | Viewed 156 times ]

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