This file is the operating instructions of RD-7502 product, which contains the usage methods, precautions and other contents of the product.
This manual guides users through safe handling, installation, and ventilation of the Sherwood RD-7502 receiver. It includes detailed safety warnings, power‑source requirements, and grounding instructions to prevent electric shock and fire hazards.
The guide covers system connections for audio, video, and digital inputs, remote‑control operation, audio‑visual settings, troubleshooting, and full technical specifications such as power output, distortion, and dimensions. It serves both end‑users and service technicians for proper operation and maintenance.
| Power output (stereo mode) | 2 × 100 W |
|---|---|
| Total harmonic distortion | 0.2 % (40 Hz‑20 kHz) |
| Input sensitivity (line) | 300 mV / 47 kΩ |
| Signal‑to‑noise ratio | 100 dB |
| Frequency response (line) | 10 Hz – 100 kHz (+0 / ‑3 dB) |
| Power supply | 120 V ~ 60 Hz |
| Power consumption | 3.8 A |
| Dimensions (W × H × D) | 440 × 141 × 370 mm |
| Weight (net) | 10.1 kg |
Ventilation openings must not be blocked; keep the unit away from soft surfaces and do not place it in a confined space such as a bookcase.
The amplifier delivers 2 × 100 W in stereo mode with a total harmonic distortion of 0.2 % over 40 Hz‑20 kHz.
Use a commercially available HDMI cable; HDMI carries uncompressed digital video and audio signals between the source and display.