![]() ![]() This means that you may have to add or remove diodes in the left column depending on where you purchased your IC7800. NONE OF THE DIODES IN THE RIGHT COLUMN ARE CHANGED!! The diodes in the left column must be configured exactly as shown below. The bottom 4 diodes in each column are offset slightly to the right as pictured below. Near the center of the Logic Unit (below and to the right of a processor chip) you will see 2 vertical rows of diodes / diode spaces. You may find it easier to access the diodes by setting radio up on its right side. Tilt up front panel(you may have to loosen and remove 2 connectors on lower left side of front panel) to expose the Logic Unit sitting vertically on the left side of the main chassis unit behind the front panel. Remove 4 small screws holding front panel onto main chassis(2 per side). The IC-7800 can be modified for general coverage transmit(1.6 thru 54.0 MHZ) (Frequency Range and Specifications cannot be guaranteed after modification) by following the CAP/MARS directions below: Icom IC-7800 (IC 7800 IC7800) technical specifications Icom IC-7800 (IC 7800 IC7800) technical specifications : Icom IC-7800 (IC 7800 IC7800) General Coverage Transmit Mod PDF Adjusments Procedures Manual with schematics for Icom IC-7800 (IC 7800 IC7800) : Icom IC 7800 Adjustment Procedures Manual PDF User Manual for Icom IC-7800 : Icom IC 7800 Instruction Manual ![]() Programming software for Icom IC-7800 (IC 7800 IC7800) : Programming interface schematics for Icom: ![]()
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