From: kral@larkan.dec.com (Larry NAMP) Subject: IC-32AT Modifications Date: 16 Jun 89 11:15:28 GMT Here are 3 modifcations for the IC-32AT, one was taken directly from an ICOM service bulletin. The following was partly done by NXION. | This is a view of the interior (front side) after | the front of the case has been removed (4 screws / \ in back, 2 screws near PTT switch loosened only). | | +-+ +--+ | | | | | | Carefully disconnect speaker/mike cable from PC +------------------+ board to allow front cover to be fully opened. | TOP | | | NOTE: Battery should be disconnected. Use ESD | | protection (grounded wrist strap, etc.). | | | | | | | | | | | | | | | | | +-+ | | | | | 5 positions on PC board | | | | for diodes (see below for | BOTTOM +-+ | details) +------------------+ | | | | | BATTERY | | | | | +------------------+ This shows diodes as installed at the factory. TOP +--+ +--+ | | | | D907 +--+ +--+ +--+ | /| +--+ | |---|< |---| | D913 Removing this diode results in expanded UHF +--+ | \| +--+ coverage. Approximately 420-460mhz. +--+ +--+ | | | | D908 +--+ +--+ +--+ | /| +--+ | |---|< |---| | D912 Removing this diode results in enabling +--+ | \| +--+ the unit as a cross-band repeater. +--+ +--+ | | | | D??? Installing a diode here (same polarity as others) +--+ +--+ permits keypad entry of 10mhz digit. BOTTOM Icom Service Bulletin #13889-005 The IC-32AT has the capability of being used as a cross-band repeater. This function is not enabled as the unit is shipped from the factory. To enable this function perform the following steps: 1- Cut D912 on LOGIC UNIT. (see above figure) 2- Push and hold the (FUNCTION) switch. 3- Push the (C) key. 4- Push the (6) key. 5- Push the (D) key. 6- Release the (FUNCTION) switch. To cancel "MINI REPEATER" perform the following steps: 1- Push and hold the (FUNCTION) switch. 2- Push the (D) key. 3- Push the (C) key. 4- Release the (FUNCTION) switch. Mods Index