This service manual describes the IC-PW1 HF/50 MHz all‑band linear amplifier, including safety warnings, handling instructions, and ordering information for replacement parts. It outlines the required precautions for high‑voltage operation and the recommended two‑person handling for the 25 kg unit.
The document contains detailed sections on specifications, inside views, circuit descriptions, adjustment procedures, parts lists, mechanical disassembly, semiconductor information, board layouts, block diagrams and wiring diagrams, giving technicians comprehensive guidance for maintenance and repair.
| Power supply voltage | 90 V–132 V AC or 180 V–264 V AC (single‑phase, 50/60 Hz) |
|---|---|
| Usable temperature range | –10 °C to +40 °C (–14 °F to +104 °F) |
| Dimensions (amplifier) | 350 mm (W) × 265 mm (H) × 375 mm (D) |
| Weight | 25 kg (55.12 lb) |
| Output power (EUR‑1 version) | 450–550 W PEP |
| Driving power | Max. 100 W |
| Spurious emissions (HF bands) | < –60 dB |
| Spurious emissions (50 MHz band) | < –70 dB |
The minimum required input power is 60 W.
The amplifier weighs 25 kg (55.12 lb).
The internal power‑supply voltage must not exceed 55 V DC.