This disk is one week old, doesn't power up. Where should i check for fails?
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| Toshiba Q300 120gb http://forum.hddguru.com/viewtopic.php?f=10&t=33133 |
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| Author: | DRUG [ March 22nd, 2016, 7:29 ] | ||
| Post subject: | Toshiba Q300 120gb | ||
This disk is one week old, doesn't power up. Where should i check for fails?
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| Author: | barryware [ March 22nd, 2016, 10:43 ] |
| Post subject: | Re: Toshiba Q300 120gb |
Looks like F1 is missing.. May have fallen off? Sure looks like the space was populated to me.. Empty pads will not look like that after tinning / reflowing.. |
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| Author: | DRUG [ March 22nd, 2016, 12:50 ] |
| Post subject: | Re: Toshiba Q300 120gb |
barryware wrote: Looks like F1 is missing.. May have fallen off? Sure looks like the space was populated to me.. Empty pads will not look like that after tinning / reflowing.. Hey, I took it out of the enclosure (with void seal) and the F1 was already looking like this :s |
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| Author: | fzabkar [ March 22nd, 2016, 13:13 ] |
| Post subject: | Re: Toshiba Q300 120gb |
barryware wrote: Looks like F1 is missing.. May have fallen off? Sure looks like the space was populated to me.. Empty pads will not look like that after tinning / reflowing.. It looks odd, but it's normal. U30 is an e-fuse, and D2 is reserved for a TVS diode. The circuit can use either an e-fuse or a regular fuse plus a TVS diode. See https://forum.hddguru.com/viewtopic.php?f=10&t=32997 |
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