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Frequency range for FM and AM bands.
Frequency response and output impedance for tape playback.
Power requirements, dimensions, and weight of the device.
Battery life comparison for alkaline and rechargeable batteries.
Precautions for repairing flexible circuit boards with soldering iron.
Guidelines for replacing chip components, especially tantalum capacitors.
Critical safety warning for components marked with a symbol.
Steps to prepare the unit for servicing, including board removal and connections.
How to set the unit to the correct preset state for testing modes.
Procedure to set the unit into FF and REW modes for testing.
Procedure to set the unit into PLAY mode for testing.
Diagram illustrating the gear and belt layout during playback.
Diagram showing the mechanism for fast forward operation.
Diagram illustrating the mechanism for rewind operation.
Details on different model designations and their corresponding regions.
Explanation of button functions and operations for the FX673 model.
Explanation of button functions and operations for the FX877 model.
Detailed view of controls and their functions for FX673.
Detailed view of controls and their functions for FX877.
Overview of the order in which the set can be disassembled.
Step-by-step guide to removing the main case block.
Steps to remove and handle the main circuit board.
Procedure for accessing and replacing the drive belt.
Steps to remove the motor assembly.
Procedure for disassembling the cassette lid mechanism.
Steps to remove the decorative reel housing.
Procedure to remove the cassette holder assembly.
Steps to remove the pinch roller lever mechanisms.
Procedure for removing the magnetic playback head.
Procedures and values for measuring torque in different modes.
How to adjust tape playback speed using RV601.
Overview of settings for tuner section adjustments.
Adjusting the AM Intermediate Frequency for maximum meter reading.
Adjusting AM VCO voltage and confirmation.
Adjusting AM tracking for maximum meter reading.
Adjusting FM VCO voltage and confirmation.
Procedure for adjusting FM VCO for 19 kHz reading.
Functional block diagram of the tuner section.
Functional block diagram of the main unit.
Component layout on the front side of the main board.
Component layout on the back side of the main board.
Index for semiconductor component locations on the board.
Complete schematic circuit diagram of the device.
Specific waveforms and their measurement parameters.
Block diagrams for key integrated circuits used in the unit.
Detailed pin functions for the TC9327AF-606 system controller.
Detailed pin functions for the system controller IC.
Pin function details for various other ICs.
Exploded diagram of the case assembly with part references.
Detailed list of parts for the case section with part numbers.
Exploded view of the tape mechanism with part references.
Detailed list of parts for the mechanism deck.
List of all capacitors with part numbers, values, and tolerances.
List of diodes, fuses, and ferrite beads with part numbers.
List of integrated circuits with part numbers and types.
List of filters and coils with part numbers and values.
Part details for the LCD panel and photo reflector.
List of transistors with part numbers and types.
List of resistors with part numbers, values, and tolerances.
Part details for switches, transformers, and thermistors.
List of miscellaneous parts, accessories, and packing materials.
List of batteries and battery chargers with part numbers.
List of available instruction manuals in different languages.
Frequency range for FM and AM bands.
Frequency response and output impedance for tape playback.
Power requirements, dimensions, and weight of the device.
Battery life comparison for alkaline and rechargeable batteries.
Precautions for repairing flexible circuit boards with soldering iron.
Guidelines for replacing chip components, especially tantalum capacitors.
Critical safety warning for components marked with a symbol.
Steps to prepare the unit for servicing, including board removal and connections.
How to set the unit to the correct preset state for testing modes.
Procedure to set the unit into FF and REW modes for testing.
Procedure to set the unit into PLAY mode for testing.
Diagram illustrating the gear and belt layout during playback.
Diagram showing the mechanism for fast forward operation.
Diagram illustrating the mechanism for rewind operation.
Details on different model designations and their corresponding regions.
Explanation of button functions and operations for the FX673 model.
Explanation of button functions and operations for the FX877 model.
Detailed view of controls and their functions for FX673.
Detailed view of controls and their functions for FX877.
Overview of the order in which the set can be disassembled.
Step-by-step guide to removing the main case block.
Steps to remove and handle the main circuit board.
Procedure for accessing and replacing the drive belt.
Steps to remove the motor assembly.
Procedure for disassembling the cassette lid mechanism.
Steps to remove the decorative reel housing.
Procedure to remove the cassette holder assembly.
Steps to remove the pinch roller lever mechanisms.
Procedure for removing the magnetic playback head.
Procedures and values for measuring torque in different modes.
How to adjust tape playback speed using RV601.
Overview of settings for tuner section adjustments.
Adjusting the AM Intermediate Frequency for maximum meter reading.
Adjusting AM VCO voltage and confirmation.
Adjusting AM tracking for maximum meter reading.
Adjusting FM VCO voltage and confirmation.
Procedure for adjusting FM VCO for 19 kHz reading.
Functional block diagram of the tuner section.
Functional block diagram of the main unit.
Component layout on the front side of the main board.
Component layout on the back side of the main board.
Index for semiconductor component locations on the board.
Complete schematic circuit diagram of the device.
Specific waveforms and their measurement parameters.
Block diagrams for key integrated circuits used in the unit.
Detailed pin functions for the TC9327AF-606 system controller.
Detailed pin functions for the system controller IC.
Pin function details for various other ICs.
Exploded diagram of the case assembly with part references.
Detailed list of parts for the case section with part numbers.
Exploded view of the tape mechanism with part references.
Detailed list of parts for the mechanism deck.
List of all capacitors with part numbers, values, and tolerances.
List of diodes, fuses, and ferrite beads with part numbers.
List of integrated circuits with part numbers and types.
List of filters and coils with part numbers and values.
Part details for the LCD panel and photo reflector.
List of transistors with part numbers and types.
List of resistors with part numbers, values, and tolerances.
Part details for switches, transformers, and thermistors.
List of miscellaneous parts, accessories, and packing materials.
List of batteries and battery chargers with part numbers.
List of available instruction manuals in different languages.
General| Brand | Sony |
|---|---|
| Model | WM-FX877 |
| Category | Cassette Player |
| Language | English |
