This manual provides technical information necessary for servicing the FT-7100M FM Transceiver ervicing this equipment requires expertise in handling surface-mount chip components. Attempts by non-qualified persons to service this equipment may result in permanent damage not covered by the warranty, and may be illegal in some countries. Two PCB layout diagrams are provided for each double-sided circuit board in the Repeater Each side of is referred to by the type of the majority of components installed on that side (“leaded” or “chip-only”). In most cases one side has only chip components, and the other has either a mixture of both chip and leaded components (trimmers, coils, electrolytic capacitors, ICs, etc.), or leaded components only. Specifications ... 2 Exploded View & Miscellaneous Parts ... 3 Block Diagram ... 4 Circuit Description ... 5 Alignment... 9 Board Unit (Schematics, Layouts & Parts) MAIN Unit ... 17 PANEL Unit ... 53 VR Unit ... 65