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Samsung HM100UX PCB Problem

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mikail13

Post subject: Samsung HM100UX PCB Problem

Posted: April 16th, 2018, 9:25

Joined: December 14th, 2013, 17:10
Posts: 210
Location: istanbul

Hard Disk spins normally. No weird sound.
The sata-2 connector is O.K. Blue light is on.

when I plug "USB device not recognized" message appears. I reflow and resolder "The coupling capacitor.

after that message disappears.

I need data. How can I convert to SATA?

Attachments:

HM100UX_capacitors.jpg [ 52.99 KiB | Viewed 1811 times ]

hm100uX pcb.jpg [ 493.01 KiB | Viewed 1813 times ]

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rogfanther

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 16th, 2018, 9:54

Joined: October 16th, 2013, 13:21
Posts: 717
Location: Brazil

More than resoldering those coupling capacitors ( don´t know, never saw problem in that area ) you should check the usb connector, those chokes pointed with white traces in your picture, and check continuity with an usb cable inserted fromt he pins in the computer-side of the cable to the processor side of those little chokes.

Also, depending on the disk/computer, you need to use a powered usb hub or cable with two usb connectors for these to work.

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fzabkar

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 16th, 2018, 17:51

Joined: September 8th, 2009, 18:21
Posts: 10868
Location: Australia

Show us the terminal output.

How to connect a terminal adaptor on a Samsung drive ?
http://www.hddoracle.com/viewtopic.php?f=116&t=189

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mikail13

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 17th, 2018, 9:30

Joined: December 14th, 2013, 17:10
Posts: 210
Location: istanbul

Thank you for replies

Quote:

ActiveFW : 00
FWVer : 0001
DDR size detected = 8MB
SATA PLL cal done
*PA VID=0008 PN
=0000 Rev=0006
*PA VID=0008 PN=0000 Rev=0006
U
S_0SSC EN
SO_1
SSC EN
IS=2
CLA #36/98
Handoff RPM=414
SPOK
SR:52 SS:00000280
mS1 00000003
A1O=126 A1G=416
O=510 S=2
SK C: 5425 H:0
Boot Sector Error! Take a default.
Loaded FIT ( 0: 0: 1)
CalibTable Loaded. Rev:0x1B
ResoTable Loaded. Rev:0x01
RRO1xTable Loaded. Rev:0x01
Fw Active 0000
Ovly loaded to 0x00014D00
Ovly loaded to 0x1002E300
FdtTable Loaded. Rev:0x02
Reading Serial Num Pass
Up MC

PwrOn RRO1x @ H0
Table) cos = 595968, sin = -225280
Coeff) cos = -34463, sin = 275495

DiskSlip : 78 [SrvTrk]
DiskSlip : 68 [SrvTrk]

PwrOn RRO1x @ H2
Table) cos = 594944, sin = -224256
Coeff) cos = -47815, sin = 233402

DiskSlip : 78 [SrvTrk]
DiskSlip : 68 [SrvTrk]

PwrOn RRO1x @ H4
Table) cos = 595968, sin = -224256
Coeff) cos = 33101, sin = 36189

DiskSlip : 78 [SrvTrk]
DiskSlip : 81 [SrvTrk]
TgtCyl: 832
Hd: 4 Zn: 0 Avg.:- 192
TgtCyl: 208064
Hd: 4 Zn: 1 Avg.: 686

SVCAL(0080,0000)-->PASS
RecordValid Ok : 4107E47D 0107E41D
ReadyTime = 5004079 us

[DIPM_TMOUT:00000100]
[SATA_TMOUT:0100]

[DIPM_TMOUT:00000100]
[SATA_TMOUT:0100]

[DIPM_TMOUT:00000100]
[SATA_TMOUT:0100]

[DIPM_TMOUT:00000100]
[SATA_TMOUT:0100]

goes on ...Endlessly

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Spildit

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 17th, 2018, 13:56

Joined: December 19th, 2006, 8:49
Posts: 9695
Location: Portugal

Replace the PCB with a new one from a drive with the same FW version ? If not possible get a SATA compatible drive + PCB and adapt the PCB to the drive ?

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fzabkar

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 17th, 2018, 15:23

Joined: September 8th, 2009, 18:21
Posts: 10868
Location: Australia

mikail13 wrote:

[DIPM_TMOUT:00000100]
[SATA_TMOUT:0100]

ISTM that the drive is OK but is unable to communicate with the bridge IC.

_________________
A backup a day keeps DR away.

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mikail13

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 17th, 2018, 15:58

Joined: December 14th, 2013, 17:10
Posts: 210
Location: istanbul

which is the Bridge IC? is that Jmicron?

can i solder sata cable and bypass bridge IC?

is PCB of SAMSUNG HM100UI compatible for convert to SATA?

Thank you very much..

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jermy

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 17th, 2018, 17:26

Joined: March 19th, 2015, 15:01
Posts: 1405
Location: isreal

BF41-00315A and BF41-00322A (SATA), has the same layout,the same MCU and motor controller

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mikail13

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 19th, 2018, 2:57

Joined: December 14th, 2013, 17:10
Posts: 210
Location: istanbul

jermy wrote:

BF41-00315A and BF41-00322A (SATA), has the same layout,the same MCU and motor controller

Yes, you are right.
Unfortunately, my PCB is BF41-00309A 00.

I have a Samsung HM321HI . its PCB is BF41-00315A-05. it looks like compatible.
swap roms but it's useless. motor can't spin.

maybe I had a mistake .

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fzabkar

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 19th, 2018, 4:15

Joined: September 8th, 2009, 18:21
Posts: 10868
Location: Australia

The HDA contacts are completely different. I hope you didn't damage the preamp.

https://sep.yimg.com/ay/yhst-14437584971410/hm100ux-hm100ux-vp4-bf41-00309a-hm100u-1tb-usb-2-5-m72-339-rev-01-r00-samsung-circuit-board-fw-2.gif

https://sep.yimg.com/ay/yhst-14437584971410/hm641ji-hm641ji-s3m-rev-02-r00-c6493-g84a-aa6ag-rev-a-2-5-sata-samsung-pcb-fw-16.gif

_________________
A backup a day keeps DR away.

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jermy

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 19th, 2018, 10:44

Joined: March 19th, 2015, 15:01
Posts: 1405
Location: isreal

fzabkar wrote:

The HDA contacts are completely different.

BF41-00322A does have the same HDA contacts

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mikail13

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 19th, 2018, 14:00

Joined: December 14th, 2013, 17:10
Posts: 210
Location: istanbul

donor drive is O.K. (hm321hi)
But the patient is not spinning anymore.

Motor Chips area was overheating. i immediately remove the power.
i took only 3-4 seconds. nothing fried. (i hope)

PCB looks like gone.. could i burn the rom chip ? (i hope i can't)

when i isolate the head contact motor is not turning anymore . is this good news?
is that mean Preamp's O.K.

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rogfanther

Post subject: Re: Samsung HM100UX PCB Problem

Posted: April 19th, 2018, 18:23

Joined: October 16th, 2013, 13:21
Posts: 717
Location: Brazil

Bad news, and probably preamp is damaged as well.

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