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General| Type | Portable CD Player |
|---|---|
| Playback Formats | CD, CD-R, CD-RW |
| Playback Modes | Shuffle |
| Features | Digital Mega Bass, LCD Display |
| Frequency Response | 20 Hz - 20 kHz |
| Output Power | 5 mW |
| Battery Type | 2 x AA |
| Width | 135 mm |
| Depth | 20 mm |
Precautions for handling the optical pick-up block to prevent electrostatic discharge and damage.
Procedure for checking laser diode emission, including safety distances and operation.
Method for checking laser diode operation and focus search functionality.
Identification and description of the player's controls and parts.
Step-by-step guide for disassembling the unit.
Procedure for disassembling the upper lid and middle cabinet assembly.
Steps to remove and handle the CD mechanism deck.
Instructions for accessing and removing the main board.
Procedure for disassembling the lower cabinet.
Details on disassembling motor and optical pick-up assemblies.
Steps and precautions for entering the device's test mode.
Information displayed on the remote control during test mode.
Verifying supplied voltages at various test points.
Guidelines for performing electrical checks and RF level verification.
Setup for checking waveforms and the steps involved.
Guidelines for interpreting diagrams and examples of signal waveforms.
Overall system block diagram showing component interconnections.
Component layout on the main board's side A.
Part one of the main board's schematic diagram.
Detailed block diagrams for specific integrated circuits.
Exploded view of the entire unit with part references.
Exploded view of the lower cabinet assembly and its parts.
Exploded view of the CD mechanism section and its components.
List of capacitors and resistors with their specifications.
List of semiconductors, connectors, diodes, and fuses with details.
List of transistors and coils with their specifications.
