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General| Type | CD Player |
|---|---|
| CD Mechanism | CDM-1 |
| Channels | 2 |
| Dynamic Range | 90 dB |
| Total Harmonic Distortion | 0.003% |
| Weight | 6.5kg |
| Channel separation | 90 dB |
| Power Consumption | 15 W |
| Disc format | CD |
| Digital-to-Analog Converter | 16-bit |
| Frequency Response | 20Hz to 20kHz |
| Output Level | 2V |
Lists recommended tools, test discs, and aids for performing service tasks.
Steps for disassembling the player's main components for access.
Instructions for replacing internal fuses.
Guides for accessing and servicing specific printed circuit boards.
Procedures for demounting and adjusting the disc tray mechanism.
Procedures for turntable height and angle settings on the CD mechanism.
Adjustments for disc clearance, tray play, and front alignment.
Procedures for measuring and adjusting electrical parameters.
Schematic detailing the power supply section and voltage distribution.
Schematic for the control logic and display functions.
Schematic for the primary servo control circuits.
Schematic for secondary servo control circuits.
Schematic for the initial stage of digital audio decoding.
Schematic for the second stage of digital audio decoding.
Schematic for controlling the disc tray mechanism.
Schematic for the headphone amplifier stage.
Procedures to test if the laser is emitting light correctly.
Tests for turntable motor operation and speed accuracy.
Tests for digital and HF signal detectors.
Tests to verify the track detector's performance.
Tests for the proper operation of the radial tracking system.
Schematic of the infrared transmitter circuit.
Important notes and precautions for repairing the CDM 1 mechanism.
Instructions for setting the correct turntable height.
Procedures for checking and adjusting the optical assembly angle.
