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General| Brand | Sony |
|---|---|
| Model | CFD-444L |
| Supported Discs | CD, CD-R, CD-RW |
| Media Type | CD |
| Speakers | Stereo |
| Power Source | AC, Batteries |
Overview of the CFD-444L's cassette-corder capabilities and functions.
Important precautions for handling the optical pick-up block to prevent damage.
Warning about safety-critical components identified by shading and marks.
Procedure to enter the service mode by setting switches and grounding points.
Explains how to operate the unit while in service mode.
Instructions on how to exit service mode and return to normal operation.
Guidelines for safely checking the laser diode emission from the CD pick-up.
Block diagram of the radio and tape recorder sections.
Block diagram illustrating the functional units of the CD player.
Steps for removing the front cabinet of the unit.
Procedure for detaching the CD mechanism block.
Instructions for removing the cassette and CD holders.
Steps to remove the main mechanism deck.
How to detach the main electronic board.
Procedure for setting the tuning pointer rack correctly.
Covers cleaning, demagnetization, and tape path adjustments.
Details adjustments for MW/LW and FM/SW sections.
Procedures for record/playback head azimuth and phase adjustments.
Method for adjusting tape speed accuracy and frequency difference.
Notes and preparation for CD section adjustments.
Illustrates the physical layout of the radio/recorder components.
Detailed circuit diagram for the CD section.
Shows the physical layout of CD section components.
Block diagrams illustrating the function of key ICs.
Common issues and solutions related to CD player operation.
Troubleshooting steps for cassette operation problems.
