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gps31
 Post subject: SAMSUNG ST2000LM003 PCB 100731207 - NO VOLTAGE
PostPosted: February 6th, 2020, 12:10 
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Joined: January 18th, 2010, 23:53
Posts: 346
Location: india
SAMSUNG ST2000LM003 PCB 100731207 - NO VOLTAGE

NO SPINUP.

1. TEST POINTS PLEASE
2. CAN I USE 100739392 AS REPLACEMENT PCB?

Attachment:
st2000lm003-100731207-front-EDIT.jpg
st2000lm003-100731207-front-EDIT.jpg [ 269.36 KiB | Viewed 6432 times ]
Attachment:
st2000lm003-100731207back.jpg
st2000lm003-100731207back.jpg [ 157.22 KiB | Viewed 6432 times ]


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st2000lm003-100731207-front.jpg
st2000lm003-100731207-front.jpg [ 202.29 KiB | Viewed 6432 times ]
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fzabkar
 Post subject: Re: SAMSUNG ST2000LM003 PCB 100731207 - NO VOLTAGE
PostPosted: February 6th, 2020, 15:53 
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Joined: September 8th, 2009, 18:21
Posts: 16963
Location: Australia
There are 3 inductors above the SMOOTH chip. They will be Vcore and Vio. Also measure the voltage at the 2R2 inductor.

I can't tell if the diode is a TVS diode or if it is connected to the coil.

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gps31
 Post subject: Re: SAMSUNG ST2000LM003 PCB 100731207 - NO VOLTAGE
PostPosted: February 8th, 2020, 6:09 
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Joined: January 18th, 2010, 23:53
Posts: 346
Location: india
used this pcb 100739392 with rom transfer, problem solved
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labtech
 Post subject: Re: SAMSUNG ST2000LM003 PCB 100731207 - NO VOLTAGE
PostPosted: February 8th, 2020, 6:32 
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Joined: August 18th, 2010, 17:35
Posts: 3669
Location: Massachusetts, USA
Joke:
An electronics enthusiast would say "the problem was not solved, rather circumvented".

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fzabkar
 Post subject: Re: SAMSUNG ST2000LM003 PCB 100731207 - NO VOLTAGE
PostPosted: February 8th, 2020, 15:40 
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Try that on an SSD.

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