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General| Brand | JVC |
|---|---|
| Model | KD-A77 A |
| Category | Cassette Player |
| Language | English |
Highlights major features like heads, motors, ANRS, and indicators.
Identifies and describes all front panel controls and indicators.
Lists and describes all rear panel connection terminals.
Lists and shows locations of front panel and mechanical parts.
Guides for cleaning, demagnetizing, and lubricating the unit.
Explains Sen-Alloy and X-cut head technologies for performance.
Steps for removing the outer casing, controls, and audio heads.
Steps for removing the main mechanical unit, power switch, and transformer.
Details removal of motors, pinch rollers, and reel components.
Lists required equipment and covers mechanical head alignment.
Covers motor speed, torque, wow/flutter adjustments, and repair.
Information on lubrication oil.
Locates adjustment potentiometers on the power supply and main boards.
Adjusts playback levels and frequency response.
Calibrates VU meters and record/playback frequency.
Adjusts recording levels and checks signal distortion/S/N.
Verifies erasure and calibrates Super ANRS for recording.
Covers detailed calibration and checks for the ANRS playback circuit.
Illustrates signal flow for amplifier and mechanical control systems.
Identifies key integrated circuits and their functions.
Detailed schematics for amplifier and mechanical control circuits.
Shows wiring between major boards and components.
Details wiring for motors, connectors, and model variations.
Lists components for the door brake and general electrical parts.
Lists parts for the unit's casing and model-specific electrical components.
Comprehensive lists of all mechanical parts.
Lists components for main amplifier and power supply boards.
Shows component layout on main amplifier and power supply boards.
Lists components for power supply and other miscellaneous boards.
Lists and illustrates parts for switches, ICs, connectors, LEDs, transistors, resistors.
Details packing materials and accessories included with the unit.
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