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selmansanli
 Post subject: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: July 21st, 2018, 13:17 
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Can not seen in the bios. Can u help me to repair it? Where can i start for measurig components or any other pc programs? Mr. @fzabkar please help me!


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fzabkar
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: July 21st, 2018, 15:51 
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viewtopic.php?f=10&t=36313
viewtopic.php?f=10&t=35783
viewtopic.php?f=10&p=241918

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selmansanli
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: July 31st, 2018, 10:14 
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My PCB is similar to that: viewtopic.php?f=10&p=241918 (similar but nat same)

I use the 200 ohms range of multimeter and somewhere 200k range... Measuring results:

coil A : 109 ohm

coil B : 72.7 k

between 5vin-5vout : 49.2k

ground-5vin : 10.6k

ground-5vout : 39.2k


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File comment: coil B
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fzabkar
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: July 31st, 2018, 18:25 
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Those measurements appear to be OK. Can you now measure the voltages?

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selmansanli
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 1st, 2018, 1:16 
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voltage measure:

5V in and 5Vout = 5.1V (look like 5v e-fuse is ok)

coil A =1v and other side of coil A 0.44v

coil B = 2.87v and other side of coil B 1.5v

resistance up side 1R5 =2.85v (two sides 2.85v)

resistance down side 1R5= ( one side 1v other side 0.8v)

CAPASITOR GROUP ONE SIDE 5V OTHER SIDE ZERO VOLT (YOU CAN SEE PICTURE)


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fzabkar
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 1st, 2018, 16:57 
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It appears that the voltages are OK. Just be sure, here are the actual test points:

Attachment:
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MP2109DQ, Monolithic Power, Dual 1.2MHz, 800mA, Synchronous Step-Down Converter, 2.5V - 6V in, marking B7xx:
https://www.monolithicpower.com/pub/med ... 9_r1.4.pdf

MP28258DD, Monolithic Power, 3A, 4.2V - 20V Input, Synchronous Step-down Converter, marking AAA, QFN12:
https://www.monolithicpower.com/pub/med ... _r1.14.pdf

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selmansanli
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 3rd, 2018, 10:32 
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V1= 1v

V2= 1v

V3= 2.85v

V4= 2.85v

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fzabkar
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 3rd, 2018, 16:53 
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ISTM that the problem could be firmware related. :-(

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selmansanli
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 3rd, 2018, 23:53 
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fzabkar wrote:
ISTM that the problem could be firmware related. :-(



have you an idea to solve firmware problem?
what is the mean of ISTM?

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fzabkar
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 3rd, 2018, 23:57 
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Sorry, I have no solution for firmware problems in SSDs. :-(

    ISTM -> it seems to me

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selmansanli
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 4th, 2018, 3:24 
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If i have same ssd, can i copy the firmware and flash the bricked ssd? Do you know a way to flash firmware for bricked ssd?

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fzabkar
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 4th, 2018, 3:51 
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The "firmware" consists of several modules. AIUI, a common failure mode is corruption of the Flash Translation Layer. That's not something that a firmware download can repair. You could try waiting for an hour or so to see if the drive fixes itself and then comes ready, but I don't hold out much hope for you. :-(

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fzabkar
 Post subject: Re: About Bricked Kingston 120 Gb ssdnow 200 V+
PostPosted: August 4th, 2018, 19:42 
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FWIW ...
http://forum.acelaboratory.com/viewtopic.php?t=8973

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