Icom746pro pa. unit fan mod. Contact author: DOC DIESEL The factory service manual states this should be 2. 5 amperes; we have found that 0. 50 amperes is much better, resulting in only 6 watts of dissipated heat rather than 35 watts.
ICOM IC746 PRO Modifications ICOM IC746 PRO Modifications Subject: IC476 and 746PRO LCD backlight repair modification Contact author: KI4RKKirk Ellis Print Here is how I mounted a TO220 type transistor in place of the original backlight driver transistor, Q302. An ECGNTE 378 in the TO220 case styl e will substitute for the surface mount 2SB1201 that came with the IC746. Icom IC746 (IC 746 IC746) transceiver mods reviews software and diagrams ham what PDF User Manual for Icom IC746 (IC 746 IC746): service manual and specs Icom IC746 PRO (IC 746 PRO IC746PRO) service manual and specs Icom IC750 (IC 750 IC750) service manual and specs Icom IC746 PRO (IC 746 PRO IC746PRO) service manual and specs Icom IC750 (IC 750 IC750) service manual and specs Icom IC751 (IC 751 IC751) service manual This forum message list include all message for that is related to IC746, this include message that also is related to articles.
If the message is relate to an article, the article can be selected next to each message. This is the manuals page for Icom. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf [1 Increase the microphone gain of the IC746 Look at the PHOTOS below for the pix that deal with these modifications The modifications add more gain to the IC746's mic preamp, and the second mod allow the cooling fan to run whenever the unit is turned ON, but at a very low rate.
IC746 Downloads. Name Type Size; Instruction Manual. IC746 Instruction Manual Instruction Manual. IC746 Instruction Manual Erratum. pdf 16. 72 KB U. S. A. Amateur Band Plan. U. S. A. Amateur Radio band plan with common country prefixes. pdf 339. 67 KB 2018 Icom America Inc. ICOM IC746 Instruction Manual. Vhfhf all mode. Hide thumbs. Also See for IC746. Faq 113 pages Service manual 129 pages Service Icom IC746 Service Manual 129 pages. Icom IC746 Service Manual 128 pages.
Icom IC746 Faq 113 pages. Related Manuals for ICOM IC746. View and Download Icom IC746 service manual online. HFVHF. Transceiver Icom ICF21 Service Manual. Uhf fm (38 pages) Transceiver Icom ICF44GS Instruction Manual (47 pages) Transceiver ICOM ICA24 Instruction Manual. Vhf air band transceiver (40 pages) Related Products for Icom IC746. For Icom 746 Radios with the diodes in the 1, 2, 6, 7, 9, 11 and 14 positions, remove numbers 6 and 7 leaving the other 5 in place.