This manual provides detailed instructions on the operation, function introduction, fault diagnosis and repair methods of CD player and MD player
This service manual provides detailed servicing information for the Sony MXD-D4 CD/MD player, including self‑diagnosis procedures, safety checks, disassembly instructions, and complete wiring diagrams. It is intended for qualified technicians who need to diagnose faults, replace components, and perform adjustments.
Key sections cover the self‑diagnosis function, electrical adjustments, laser diode checks, and a full parts list. Safety warnings and laser‑class information are included to ensure safe handling during repair.
| Laser output (CD/MD) | Less than 44.6 µW |
|---|---|
| Frequency response | 5 Hz to 20 kHz ±0.5 dB |
| Signal‑to‑noise ratio | ≥ 98 dB (CD) / ≥ 96 dB (MD) |
| Power consumption | 22 W (standby < 1 W) |
| Mass | 4.7 kg |
| Input impedance (Analog IN) | 47 kΩ |
| Output power (Headphones) | 10 mW into 32 Ω |
The unit consumes 22 W, with less than 1 W in standby mode.