The Alinco DR-112 T/E VHF FM transceiver service manual provides detailed documentation for maintenance and repair. It includes a comprehensive parts list, adjustment procedures, and a block diagram of the unit.
The manual also describes the various printed circuit boards such as the main PC boards, control PC boards, tone squelch and tone burst boards, and other specialized modules, giving reference numbers for each.
The parts list appears at the beginning of the document, labeled "@PARTS LIST".
The block diagram is provided in the section titled "BLOCK DIAGRAM".