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Solved ✔ ICOM B MOST Interface PCB
10-10-2017, 09:00 AM, (This post was last modified: 13-10-2017, 23:44 PM by Clusters.)
Post: #1
ICOM B MOST Interface PCB
Guys,

My ICOM B has an issue with MOST LED flashing, which means there is no Network Lock. It has never worked before.

I'm curious as to the correct value of the Crystal Oscillator on the PCB. I believe the crystal should be 11.2896Mhz to work correctly on the MOST-25 44.1Khz network.

Please could someone confirm what value Oscillator is fitted inside? Mine is fitted with 11.0592Mhz - this could be why I don't get lock.

Cheers,

Matt
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10-10-2017, 09:47 AM,
Post: #2
RE: ICOM B MOST Interface PCB
I have 2 boards an on both is 11.289mhz
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[+] 2 users say Thank You to zmedak5 for this post
10-10-2017, 09:55 AM,
Post: #3
RE: ICOM B MOST Interface PCB
(10-10-2017, 09:47 AM)zmedak5 Wrote:  I have 2 boards an on both is 11.289mhz

Great! I'll replace with correct Oscillator and report back if this works.

Thanks!
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13-10-2017, 06:02 AM,
Post: #4
RE: ICOM B MOST Interface PCB
Does your USB connector on ICOM A works?
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13-10-2017, 07:00 AM,
Post: #5
RE: ICOM B MOST Interface PCB
(13-10-2017, 06:02 AM)jararak Wrote:  Does your USB connector on ICOM A works?

Yes, that's how I got the ICOM B connected to ICOM A. System LED goes green, but MOST light flashes orange whilst connected to the car. Still waiting on the replacement crystal to test if this fixes it.

smile
Reputation: +1 - syrus [+1]
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13-10-2017, 17:20 PM,
Post: #6
RE: ICOM B MOST Interface PCB
All working OK!!

Crystal Oscillator has now been replaced with 11.2896mhz. MOST lock and stable green LED.

smile
Reputation: +1 - sebastianfernandes [+1]
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[+] 2 users say Thank You to pic_whizz for this post


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