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HP85A Power Issues
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03-10-2017, 01:00 AM
Post: #5
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RE: HP85A Power Issues
If power supply board fuse F1 blows (located between the collector of Q2 and R3), possibly due to either a short or being powered on with no connection of the ribbon cables to the logic board, it results in bad voltages.
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| Messages In This Thread |
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HP85A Power Issues - Paul Dale - 03-08-2017, 09:02 AM
RE: HP85A Power Issues - Paul Berger (Canada) - 03-08-2017, 04:00 PM
RE: HP85A Power Issues - cruff - 03-09-2017, 04:36 AM
RE: HP85A Power Issues - Paul Dale - 03-09-2017, 04:45 AM
RE: HP85A Power Issues - cruff - 03-10-2017 01:00 AM
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