Kenwood TH-21A/AT/E 2m FM Hand-Held Transceiver Service Manual
Comprehensive service manual for the Kenwood TH-21A/AT/E 2m FM hand-held transceiver platform. Covers all related accessory models including battery packs (BT-2), DC adapter (DC-21), speaker-microphone (EB-2), leather case (PB-21), antenna (SC-8/8T), battery charger (SMC-30), and VHF tuning unit (TU-6). Provides complete circuit descriptions with detailed coverage of the double super-heterodyne receiver section, transmitter stage with VCO and CTCSS tone generation, phase-locked loop tuning circuit, main control logic, squelch-mute operation, and power output selection. Includes full-page schematic diagrams and functional block diagrams showing signal flow and component interconnections. Extensive parts list with precise component specifications and ratings for all resistors, capacitors, semiconductors, and assembly components. Covers charger specifications, battery pack assembly procedures, and factory packing information. Essential technical reference for radio technicians performing troubleshooting, alignment, component replacement, or complete transceiver service.
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Document Details
- Format
- Pages
- 46
- Size
- 28.3 MB
- Category
- Radio & Communications