From: ICOM Inc. / Service Department
Date: October 25, 2001
Service handling necessary:
[ ] Yes [X] No
Re: Expanding TX/RX Frequency Coverage for the IC-746PRO.
Thank you very much for your continuous strong promotion for our products in your market.
Following information is regarding the modification of expanding the TX/RX frequency coverage of the IC746PRO.
Model: IC-746PRO #03 EUR
Frequency Coverage After Modification:
TX / RX: 0.100000 - 29.999999MHz, 30.000000 - 60.000000MHz
108.000000 - 143.999999MHz, 144.000000 - 174.000000MHz
Diode Matrix Condition on the MAIN Board:
Parts Original (#03 EUR) Expansion Action Taken
W1602 1 1
W1601 1 1
W1609 1 0 Removed
W1608 1 0 Removed
W1607 0 0
W1606 1 0 Removed
W1605 1 1
W1604 1 0 Removed
W1603 0 0
W1610 1 1
Page. 1 of 2
1-6-19, Kamikuratsukuri, Hirano-ku, Osaka, 547-0004
Phone : 06 6793 xxxx Fax : 00 xxxxx
URL : http://www.icom.co.jp/
1 : Jumper (7030003860 ERJ3GE JPW V) on the MAIN board. 0 : Jumper is not on the MAIN board.
You do not have to reset the CPU after the above diode matrix is changed. As this modification isn’t confirm yet, we don’t guarantee the result of it. Please do above modification by your own responsibility.
Location of Diode Matrix on the Main Board:
If you have any questions, please do not hesitate to ask us. Thank you for your co-operation and support.
ICOM Inc. / Service Department Page. 2 of 2