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eiedr
 Post subject: Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_4BGA
PostPosted: April 28th, 2026, 3:35 
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Joined: November 22nd, 2022, 11:13
Posts: 24
Location: Germany / Romania
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.


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Top populated side.png
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eiedr
 Post subject: Re: Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_
PostPosted: April 28th, 2026, 3:53 
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Joined: November 22nd, 2022, 11:13
Posts: 24
Location: Germany / Romania
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
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eiedr
 Post subject: Re: Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_
PostPosted: May 31st, 2026, 8:41 
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Joined: November 22nd, 2022, 11:13
Posts: 24
Location: Germany / Romania
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?


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ZX20 1 TB OFN 7 pads LDO Netac SSD.png
ZX20 1 TB OFN 7 pads LDO Netac SSD.png [ 1.58 MiB | Viewed 151 times ]
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eiedr
 Post subject: Re: Netac ZX20 1TB original version PBU851M03_SM2330_BGA256_
PostPosted: May 31st, 2026, 8:49 
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Joined: November 22nd, 2022, 11:13
Posts: 24
Location: Germany / Romania
more details - power management


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SSD PowerManagement detail.jpeg
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