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gameboybin
 Post subject: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 19th, 2026, 8:59 
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Joined: April 17th, 2022, 22:39
Posts: 247
Location: Vietnam
Hi everyone!
Can someone help me find power schematics of this SSD TeamGroup CX2 SM2259XT2G
The SSD powering with PC3000 Shows 0A on 5V
Shorting pins Controller cannot go to ROM mode

Many thanks!

SSD
Attachment:
1 SSD.jpg
1 SSD.jpg [ 257.61 KiB | Viewed 1458 times ]


FRONT
Attachment:
2 FRONT.jpg
2 FRONT.jpg [ 701.98 KiB | Viewed 1458 times ]


Controller
Attachment:
3 CONTROLLER.jpg
3 CONTROLLER.jpg [ 694.03 KiB | Viewed 1458 times ]


Left side components
Attachment:
4 LEFT SIDE.jpg
4 LEFT SIDE.jpg [ 564.79 KiB | Viewed 1458 times ]


Right side components
Attachment:
5 RIGHT SIDE.jpg
5 RIGHT SIDE.jpg [ 759.89 KiB | Viewed 1458 times ]


Bach
Attachment:
6 BACK.jpg
6 BACK.jpg [ 765.47 KiB | Viewed 1458 times ]


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Lardman
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 19th, 2026, 9:15 
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Joined: November 7th, 2020, 5:31
Posts: 1301
Location: United Kingdom
Absolutely flat lined at 0 from power on? break it down from the sata power in, if youre getting nothing something very easy is blown open.

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 19th, 2026, 11:44 
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Posts: 247
Location: Vietnam
Lardman wrote:
Absolutely flat lined at 0 from power on? break it down from the sata power in, if youre getting nothing something very easy is blown open.


I did measured the resistors around in resistance mode. None of them are broken. The only thing that gets slightly hot. Like 30 degrees C is the controller

Yes. Flat lined
Attachment:
Screenshot 2026-07-19 224216.png
Screenshot 2026-07-19 224216.png [ 39.65 KiB | Viewed 1410 times ]


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vx1
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 19th, 2026, 13:13 
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Joined: November 5th, 2015, 18:00
Posts: 80
Location: in the lab
What is the voltage across each of the coils?
If the controller heats up, then the 5V input fuse is fine. Some voltage is missing.

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 19th, 2026, 13:24 
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Joined: April 17th, 2022, 22:39
Posts: 247
Location: Vietnam
vx1 wrote:
What is the voltage across each of the coils?
If the controller heats up, then the 5V input fuse is fine. Some voltage is missing.


I think the controller is dead
Attachment:
7 COILS.JPG
7 COILS.JPG [ 572.47 KiB | Viewed 1348 times ]


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Lardman
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 19th, 2026, 15:37 
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Joined: November 7th, 2020, 5:31
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Location: United Kingdom
Doesnt exactly fit with a 0 flat line but check the cap near pin 1.

Im sure Erkin just posted a video of a swap on one of these with a dead controller, Its not the first play Id jump on and I think his was an obvious short.

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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 19th, 2026, 16:36 
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Joined: September 8th, 2009, 18:21
Posts: 17070
Location: Australia
Check the crystal.

Measure the voltages at pins 1 and 5 of the SOT23-5 IC (618 + 00022). I think that may be an LDO regulator.

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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 19th, 2026, 17:07 
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Joined: September 8th, 2009, 18:21
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Location: Australia
10 boards for US$100, or 1 for US$26. Just add NAND.

https://www.aliexpress.com/item/1005012246729144.html

https://ae-pic-a1.aliexpress-media.com/kf/Sacfdec960a44442bbb3f11cff1011891o.jpg
https://ae-pic-a1.aliexpress-media.com/kf/Sb44d505c366648d482f5ba94f67ca51dt.jpg
https://ae-pic-a1.aliexpress-media.com/kf/S433427b9c6a34f929a64043f9f77f372n.jpg
https://ae-pic-a1.aliexpress-media.com/kf/S5e22d1c927f143b99d1eba07762313b3C.jpg

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 20th, 2026, 12:51 
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Joined: April 17th, 2022, 22:39
Posts: 247
Location: Vietnam
fzabkar wrote:
Check the crystal.

Measure the voltages at pins 1 and 5 of the SOT23-5 IC (618 + 00022). I think that may be an LDO regulator.


Here you go
Attachment:
8 SOT23.JPG
8 SOT23.JPG [ 578.38 KiB | Viewed 892 times ]


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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 20th, 2026, 13:00 
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Joined: April 17th, 2022, 22:39
Posts: 247
Location: Vietnam
fzabkar wrote:
Check the crystal.

Measure the voltages at pins 1 and 5 of the SOT23-5 IC (618 + 00022). I think that may be an LDO regulator.


Attachment:
9 SOT23.JPG
9 SOT23.JPG [ 575.57 KiB | Viewed 888 times ]


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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 20th, 2026, 13:00 
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Joined: September 8th, 2009, 18:21
Posts: 17070
Location: Australia
Sorry, my question was unclear. I only needed the 5.1V/3.3V readings. That IC is a 3.3V LDO regulator and is OK.

It's a long shot, but if you shake the PCB against your ear, can you hear any rattling? If so, then that could be a shattered crystal.

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 20th, 2026, 13:18 
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Joined: April 17th, 2022, 22:39
Posts: 247
Location: Vietnam
fzabkar wrote:
Sorry, my question was unclear. I only needed the 5.1V/3.3V readings. That IC is a 3.3V LDO regulator and is OK.

It's a long shot, but if you shake the PCB against your ear, can you hear any rattling? If so, then that could be a shattered crystal.


Nothing is rattling
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Lukas
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 20th, 2026, 13:20 
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Joined: July 10th, 2022, 15:11
Posts: 146
Location: Poland
You most likely have a damaged controller.

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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: July 20th, 2026, 13:38 
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Joined: September 8th, 2009, 18:21
Posts: 17070
Location: Australia
gameboybin wrote:
fzabkar wrote:
Sorry, my question was unclear. I only needed the 5.1V/3.3V readings. That IC is a 3.3V LDO regulator and is OK.

It's a long shot, but if you shake the PCB against your ear, can you hear any rattling? If so, then that could be a shattered crystal.


Nothing is rattling

If you don't have an oscilloscope, you could try replacing the crystal, but a controller failure seems more likely.

One other possibility is a shorted capacitor on the reset pin, but that's unlikely.

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: Yesterday, 14:30 
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Joined: April 17th, 2022, 22:39
Posts: 247
Location: Vietnam
I still have some kind of problem with the SSD

So i have swapped the Donor controller
Now the SSD can enter the ROM mode, and can ID nand fine
However if not in rom mode. The SSD still only have 0.2A The LED on the left doesnt light up? I still think there is some problem with power

ROM Mode can ID Nand and controller
Attachment:
Screenshot 2026-07-23 005633.png
Screenshot 2026-07-23 005633.png [ 87.26 KiB | Viewed 350 times ]


Not in ROM mode christmas tree 0.2A
Attachment:
Screenshot 2026-07-23 012942.png
Screenshot 2026-07-23 012942.png [ 44.45 KiB | Viewed 350 times ]


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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: Yesterday, 15:48 
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Joined: September 8th, 2009, 18:21
Posts: 17070
Location: Australia
2CC30832EA30 = Micron, NY133, 256GB, B47R, TLC, MT29F2T08EMLEEJ4-QA, VCC:2.5V, VCCQ:1.2V

https://flashinfo.top/FlashInfo?pn=NY133

Does SM2259 have an encryption key?

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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: Yesterday, 23:30 
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Joined: April 17th, 2022, 22:39
Posts: 247
Location: Vietnam
fzabkar wrote:
2CC30832EA30 = Micron, NY133, 256GB, B47R, TLC, MT29F2T08EMLEEJ4-QA, VCC:2.5V, VCCQ:1.2V

https://flashinfo.top/FlashInfo?pn=NY133

Does SM2259 have an encryption key?


i don't believe it has
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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: Today, 0:34 
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Joined: September 8th, 2009, 18:21
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Location: Australia
Rossmann seems to be saying that SM2259 has a key. Is he wrong? Maybe the XT version doesn't have a key.

https://rossmanngroup.com/services/ssd-data-recovery

Quote:
When a Phison E12 or Silicon Motion SM2259 controller fails, when a PMIC shorts, or when a 0.05 ohm protection resistor blows on the 3.3V rail, the data is intact on the NAND but the controller can't enumerate. Reviving the original controller is the only path that preserves the AES-256 key bound to that specific silicon (TCG Opal, BitLocker eDrive, T2, M-series). Chip-off transplant on a hardware-encrypted drive returns ciphertext.

I don't know how he expects to revive a dead controller, though.

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