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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: 245
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
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1 SSD.jpg
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FRONT
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Controller
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3 CONTROLLER.jpg
3 CONTROLLER.jpg [ 694.03 KiB | Viewed 946 times ]


Left side components
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4 LEFT SIDE.jpg
4 LEFT SIDE.jpg [ 564.79 KiB | Viewed 946 times ]


Right side components
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5 RIGHT SIDE.jpg
5 RIGHT SIDE.jpg [ 759.89 KiB | Viewed 946 times ]


Bach
Attachment:
6 BACK.jpg
6 BACK.jpg [ 765.47 KiB | Viewed 946 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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Joined: April 17th, 2022, 22:39
Posts: 245
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 898 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: 245
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
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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
Posts: 1301
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: 17063
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
Posts: 17063
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: Yesterday, 12:51 
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Joined: April 17th, 2022, 22:39
Posts: 245
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
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gameboybin
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: Yesterday, 13:00 
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Joined: April 17th, 2022, 22:39
Posts: 245
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 376 times ]


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fzabkar
 Post subject: Re: Help me find power scheme SSD TeamGroup CX2 SM2259XT2G
PostPosted: Yesterday, 13:00 
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Joined: September 8th, 2009, 18:21
Posts: 17063
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: Yesterday, 13:18 
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Joined: April 17th, 2022, 22:39
Posts: 245
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: Yesterday, 13:20 
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Joined: July 10th, 2022, 15:11
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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: Yesterday, 13:38 
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Joined: September 8th, 2009, 18:21
Posts: 17063
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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