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General| Type | CD Player |
|---|---|
| Digital to Analog Converter | Wolfson WM8740 |
| Signal to Noise Ratio | >100dB |
| Output | RCA |
| Power Consumption | 15W |
| Disc Compatibility | CD, CD-R, CD-RW |
| Frequency Response | 20Hz - 20kHz (±0.5dB) |
| Dimensions (W x H x D) | 430 x 85 x 290mm |
| Output Level | 2V RMS |
| THD (1kHz) | <0.003% |
General introduction to the CD73 player's design and mechanism control integration.
Details AC input, filtering, transformer, mains selection, and power supply rails.
Explains various DC voltage supplies for digital components and their regulation.
Describes analog power supplies, relay control, and over-current protection.
Details the 16.9344MHz crystal and clock distribution for DAC and DSP.
Introduces DSP, RF IC, and laser driver chips for mechanism control.
Covers laser current measurement, focus, RFDC signal analysis, and eye patterns.
Explains FE and TE error signals for focus and tracking accuracy.
Details CXD3017Q DSP functions, disc load sequence, and read failure troubleshooting.
Explains CPU location, keyboard scan, and IR signal processing.
Details the WM8740 DAC circuit and its signal inputs.
Covers provisions for optional DACs and relevant jumper settings.
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