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Technical details of the VCR's system, format, and video heads.
General information like power requirements, dimensions, and operating conditions.
Essential checks after repair to ensure safety before releasing the unit.
Initial setup procedures including remote commander use and hookups.
Instructions for inserting batteries and operating the remote commander.
Options for connecting the VCR to a TV or other devices for optimal performance.
Procedure for disassembling the front panel and case assembly.
Steps for removing the DM-98, DI-81, and FJ-31 circuit boards.
Procedure for disassembling the rear panel of the VCR.
Steps for removing the main MA-402 circuit board.
Procedure for disassembling the VCR's mechanism deck.
Diagrams illustrating the internal layout of key components.
Identifies the physical location of the main circuit boards within the unit.
High-level overview of the VCR's system architecture and signal flow.
Detailed schematic of the video signal processing path.
Schematic showing servo and system control signal flow.
Schematic detailing the audio signal processing paths.
Schematic illustrating the tuner section's functionality.
Diagram showing the VCR's mode control logic.
Schematic of the VCR's power supply system.
Overall schematic layout of major functional blocks.
Detailed schematics for the main MA-402 circuit board.
Schematics for specific smaller circuit boards.
Pin functions for IC101 related to the video block interface.
Pin functions for IC101 related to servo peripheral circuits.
Pin functions for IC101 related to the mechanism block interface.
Pin functions for IC101 related to the audio block interface.
Pin functions for IC101 related to servo, system control, and OSD.
List of error codes and their corresponding descriptions.
List of mode codes displayed during error conditions.
Procedures for performing mechanical adjustments.
Procedures for performing electrical adjustments.
Steps for checking and adjusting the VCR's power supply.
Procedures for adjusting the servo system, including RF switching position.
Procedures for adjusting audio system characteristics like AF switching and frequency response.
Procedures for adjusting the tuner system, including separation.
Diagrams showing parts arrangement for disassembly and replacement.
Exploded view of front panel and upper case parts.
Exploded view of chassis components.
Exploded view of mechanism deck components (part 1).
Exploded view of mechanism deck components (part 2).
Exploded view of mechanism deck components (part 3).
Comprehensive list of electrical components with part numbers and descriptions.
General