Model: IC-28H Bulletin: B1102 Subject: Improve RF output power 1. Add R113 between IC-6 pin 1 and ground on the main board. 2. Remove and replace the following parts on the main board: Current Component New Part Identifier Part LA-233 L22 LA-235 12pf 50V C46 47pf 50V 33pf 50V C52 22pf 50V 22pf 50V C109 10pf 50V