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BMW Icom A2 repair
10-03-2023, 22:35 PM,
Post: #171
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RE: BMW Icom A2 repair
RAM Ok
R119 Ok On dividers, resistance is not measured in-circuit. Until you remove the error on the fan, the firmware will not be updated. |
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Reputation: +1 - Yah [+1] | |||
10-03-2023, 22:42 PM,
Post: #172
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RE: BMW Icom A2 repair
Im not sure where I can find the Fan with 3pins which works on Frequency of 40Hz.
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11-03-2023, 11:18 AM,
Post: #173
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RE: BMW Icom A2 repair
(10-03-2023, 22:42 PM)Yah Wrote: Im not sure where I can find the Fan with 3pins which works on Frequency of 40Hz. I remembered 200HZ, which is confirmed by the attached picture, and it worked for me! Vojnó
Press Thanks and reputation if this post helped you. |
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11-03-2023, 14:44 PM,
Post: #174
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RE: BMW Icom A2 repair
Interesting, will give it a try with Pulse Generator and see if it removes the fan error.
Is it fine to leave it attached all the time inside? Thank you! |
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11-03-2023, 17:28 PM,
Post: #175
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RE: BMW Icom A2 repair
(11-03-2023, 14:44 PM)Yah Wrote: Interesting, will give it a try with Pulse Generator and see if it removes the fan error. I have it all the time, but according to Ferrum, it is sufficient for the time of re-flashing. Vojnó
Press Thanks and reputation if this post helped you. |
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11-03-2023, 17:40 PM,
Post: #176
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RE: BMW Icom A2 repair
Very good. One more question, also GND and VCC should be jumped as shown in the picture?
Thank you! |
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11-03-2023, 17:58 PM,
Post: #177
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RE: BMW Icom A2 repair
(11-03-2023, 17:40 PM)Yah Wrote: Very good. One more question, also GND and VCC should be jumped as shown in the picture? Here's another approach: Vojnó
Press Thanks and reputation if this post helped you. |
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11-03-2023, 18:24 PM,
Post: #178
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RE: BMW Icom A2 repair
I know in this side but not sure in Pulse Generator how the PINs are connected.
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11-03-2023, 18:53 PM,
Post: #179
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RE: BMW Icom A2 repair
what?
if this is the problem, then there is a big problem! generator - ICOM GND GND OUT SPEED VCC (+12V) or +5V The good thing is that the 555 can work from both 12V and 5V! I just don't know how much voltage the ICOM expects? but I suspect 5V is safe! Vojnó
Press Thanks and reputation if this post helped you. |
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Reputation: +1 - Yah [+1] | |||
11-03-2023, 22:09 PM,
Post: #180
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RE: BMW Icom A2 repair
Thank you! Lets just remove the fan error and update firmware and I will be happy!
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