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General| Brand | Sony |
|---|---|
| Model | MDS-JE440 - Md Player |
| Category | Stereo System |
| Language | English |
Detailed technical specifications for the MDS-JE440 MiniDisc deck.
Details on power specifications and included items.
Describes error codes and their corresponding causes and remedies.
Step-by-step guide for using the error history display mode.
Essential safety checks after service, focusing on AC leakage.
Precautions for handling the optical pick-up and laser diode safely.
Guidelines for chip component replacement and flexible circuit board repair.
Guidance on checks before replacing components.
Steps to perform a forced reset of the system microprocessor.
Identifies and explains the function of various buttons and indicators on the unit.
Procedures for removing the upper case and front panel sections.
Steps for disassembling the main board, PT/VOL-SEL, mechanism deck, and BD board.
Precautions for using test modes and methods for setting them up.
Explains button functions, displays, and how to exit test modes.
Procedures for continuous modes and meanings of various displays.
Flowchart for checks before replacing parts and suspected faulty components.
Crucial precautions, tools, and sequence for performing adjustments.
Detailed steps for laser power, traverse, focus bias, and error rate adjustments.
Identifies board locations and illustrates functional blocks of the BD section.
Shows layout of PWB and provides detailed schematic diagrams.
Visual representations of IC internal structures and pin function lists.
Visual breakdown of the chassis and front panel components.
Exploded views of the MDM-7A mechanism sections.
Detailed list of components for the BD and main boards.
List of components for PT/Vol-Sel boards, miscellaneous items, and accessories.
