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9100B with smoked zener
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04-17-2023, 11:45 PM
Post: #1
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9100B with smoked zener
Hi All,
I recently got back to work on my non-working 9100B that I bought several years ago. I found a smoked zener diode on the ROM address driver board. It measured 0 ohms before unsoldering it then broke while I was extracting it. Problem is the color bands are burned beyond recognition. Anybody have an idea what Vz or Vcol is? Vcol = -(15 - Vz). Thanks for any assistance! Richard |
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9100B with smoked zener - Richard.Wilder - 04-17-2023 11:45 PM
RE: 9100B with smoked zener - Bushcat - 04-18-2023, 03:49 AM
RE: 9100B with smoked zener - Richard.Wilder - 04-18-2023, 04:34 AM
RE: 9100B with smoked zener - Bushcat - 04-18-2023, 08:30 AM
RE: 9100B with smoked zener - teenix - 04-18-2023, 05:21 AM
RE: 9100B with smoked zener - Richard.Wilder - 04-19-2023, 12:17 AM
RE: 9100B with smoked zener - teenix - 04-19-2023, 01:27 AM
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