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22 October 2023, 15:28
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#1 |
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Registered User
Join Date: Aug 2017
Location: Greece
Posts: 147
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A590 Rev7
Can someone be so kind and report the resistance between 5V and GND on their A590 PCB?
Mine (while not powered and not connected to an Amiga) measures about 28 ohms. Which is low enough to make my multimeter beeping (constantly) in continuity mode. Is this normal or do I have a short somewhere? Last edited by btp; 22 October 2023 at 15:30. Reason: Made the text more clear |
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26 October 2023, 16:05
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#2 |
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Registered User
Join Date: Jan 2020
Location: Bentonville, AR USA
Posts: 76
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You testing via the molex plug? I can test mine later today I think.
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26 October 2023, 16:25
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#3 |
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Registered User
Join Date: Aug 2017
Location: Greece
Posts: 147
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Yes, you can test through the power connector without opening the unit.
Thanks for your offer to help! |
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26 October 2023, 18:08
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#4 |
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Registered User
Join Date: Jan 2020
Location: Bentonville, AR USA
Posts: 76
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I get 21.3 ohms between ground and 5V and
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26 October 2023, 20:45
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#5 |
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Registered User
Join Date: Aug 2017
Location: Greece
Posts: 147
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So indeed it is normal that the resistance is quite low.
Again many thanks for taking the time to measure your unit and confirm this! |
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