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hardware:dbbc.katherine
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This shows you the differences between two versions of the page.
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hardware:dbbc.katherine [2018/09/15 04:34] Jamie McCallum created |
hardware:dbbc.katherine [2018/09/15 05:23] (current) Jamie McCallum |
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| Line 9: | Line 9: | ||
| Removed fan and cleaned with compressed air. | Removed fan and cleaned with compressed air. | ||
| - | Voltages Measured: | + | Voltages Measured at Supply: |
| - | PC: | + | PC - |
| - | * GND | + | * GND: Ok. |
| - | * +5V | + | * +5V: 5V. 7mV AC voltage. No ripple, but ~500 mV spikes every ~13 microsec. |
| - | * +12V | + | * +12V: 11.9 V. 1mV AC voltage. No ripple but spikes every ~13-14 microsec. |
| - | PS1 | + | PS1 - Multimeter AC Volts all zero. Ripple present with ~2 MHz frequency. |
| - | * GND | + | * GND: Ok. |
| - | * +3.3V (Orange) | + | * +3.3V (Orange): 3.3V. 600mV p.t.p ripple |
| - | * +5V (Red) | + | * +5V (Red): 5V |
| - | * +12V (Green) | + | * +12V (Green): 12V 400-500 mV ptp ripple, more regular. |
| - | * -5V (Violet) | + | * -5V (Violet): -5V |
| - | PS2 | + | PS2 - Multimeter AC Volts all zero. Ripple present with ~2 MHz frequency. |
| - | * GND | + | * GND: Ok. |
| - | * +3.3V (Orange) | + | * +3.3V (Orange): 3.3V . 600mV p.t.p ripple, ~2 MHz period. |
| - | * +5V (Red) | + | * +5V (Red): 5V |
| - | * +12V (Green) | + | * +12V (Green): +12V |
| - | * -5V (Violet) | + | * -5V (Violet): -5V |
/home/www/auscope/opswiki/data/attic/hardware/dbbc.katherine.1536986062.txt.gz · Last modified: 2018/09/15 04:34 by Jamie McCallum
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