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07 October 2010, 08:24
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#1 |
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Registered User
Join Date: Apr 2007
Location: Belgrade
Posts: 567
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problem with HDD LED diodes
I had to build the small PCB with diodes for A1200. It works, but there is a small problem. HDD LED is constantly lit (but not fully), and starts faintly flickering when there is HDD activity. I'm sure the PCB is ok, so the problem is in A1200 or HDD. What could it be?
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07 October 2010, 10:37
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#2 |
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A1200 040 SAM440EP 667
Join Date: Jan 2008
Location: Lisbon / Portugal
Posts: 873
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You have sure that there is no some current passing from Power LED to HDD LED through your circuit? It was better you post some photos from your circuit, maybe when we see it we can help.
Last edited by AlfaRomeo; 07 October 2010 at 10:45. |
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07 October 2010, 10:59
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#3 |
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Registered User
Join Date: Apr 2007
Location: Belgrade
Posts: 567
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yes, the PCB works fine in another A1200, and I checked all traces several times.
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