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BMW Icom A2 repair
28-09-2019, 02:47 AM,
Post: #71
RE: BMW Icom A2 repair
My icom clone have always fault aboute fan and wlan.
I do aboute 200 cars with it and nothing happens - errors was from the beginning.
But if there is firmware version that exclude fan i will try. Is there any option to remove wlan fault too?

Can you show me in with eeprom i must change serial number?

If I helped, please magic buttons thx+rep yes yes yes under under under
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[+] 1 user says Thank You to lustek for this post
28-09-2019, 11:17 AM,
Post: #72
RE: BMW Icom A2 repair
Post 64
detailed instructions
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[+] 1 user says Thank You to ferrum for this post
28-09-2019, 19:39 PM,
Post: #73
RE: BMW Icom A2 repair
Hello Friends anyone help me for the icom a2 terminal 15 is 0 volts have anyone any ideas or scheme how to find and fix this problem
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09-10-2019, 15:48 PM,
Post: #74
XZBMW  RE: BMW Icom A2 repair
(14-09-2019, 07:07 AM)ferrum Wrote:  The simplest thing you can try is to restore the firmware. Sometimes it helps. If the button does not work for you, then check if it is disabled.
its working but red blinking stil flashing, i try to test fan still error...any suggested to repair red blinking??
tks
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09-10-2019, 21:58 PM,
Post: #75
RE: BMW Icom A2 repair
Did you connect a fan?
Did the fan spin?
I showed a photo of connecting a fan with a speed sensor.
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10-10-2019, 19:11 PM,
Post: #76
RE: BMW Icom A2 repair
(09-10-2019, 21:58 PM)ferrum Wrote:  Did you connect a fan?
Did the fan spin?
I showed a photo of connecting a fan with a speed sensor.

yes i connect a fan, its spin for first i connect icom after that fan stop spin and still got fan test error
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10-10-2019, 20:39 PM,
Post: #77
RE: BMW Icom A2 repair
(30-08-2019, 10:25 AM)ferrum Wrote:  This can be easily understood by looking at the datasheet mega16.
ICOM has a very complex power scheme with PWM.


Hi,
I studied the datasheet of the mpc5200b now.
It's impossible to get access to the Avdd-Pin - it's in the third row, so no change without desoldering the processor.
Is there somewhare an simply accessable measurement point for checking power supply?

Br
Stiffi
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10-10-2019, 23:22 PM, (This post was last modified: 10-10-2019, 23:37 PM by ferrum.)
Post: #78
RE: BMW Icom A2 repair
You have a problem in mega16
I can give a breakpoint if it is available but you do not understand me.


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