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Need help?Do you have a question about the Aiwa XK-009 and is the answer not in the manual?
Steps to remove the main mechanism assembly.
Steps to remove the cassette holder unit.
Steps to remove the main-2 circuit board.
Detailed pin function for IC LC6502B-724.
Adjusting the play motor speed and voltage.
Adjusting the tape speed using the capstan motor.
Adjusting the head azimuth for optimal output.
Steps to remove the main mechanism assembly.
Steps to remove the cassette holder unit.
Steps to remove the main-2 circuit board.
Detailed pin function for IC LC6502B-724.
Adjusting the play motor speed and voltage.
Adjusting the tape speed using the capstan motor.
Adjusting the head azimuth for optimal output.
This document provides a comprehensive service manual for the AIWA XK-009 stereo cassette deck, covering its functions, usage, and maintenance procedures.
The AIWA XK-009 is a high-fidelity stereo cassette deck designed for recording and playback of audio cassettes. It incorporates advanced features to ensure optimal sound quality and reliable operation. The deck supports various tape types, including Normal, CrO2, and Metal, and offers sophisticated noise reduction systems such as Dolby NR (B and C types) and dbx, allowing users to achieve a wide dynamic range and minimize tape hiss during recording and playback.
The device features a dual-capstan drive system, which helps to stabilize tape movement and reduce wow and flutter, contributing to consistent and accurate sound reproduction. The recording and playback heads are designed for durability and high performance, ensuring clear audio capture and retrieval. The deck also includes a bias adjustment function, which allows users to fine-tune the recording bias for different tape formulations, optimizing frequency response and minimizing distortion.
For user convenience, the XK-009 is equipped with a real-time counter that displays tape position, making it easy to locate specific sections of a recording. It also features a peak level meter, which helps users monitor recording levels to prevent clipping and ensure optimal signal-to-noise ratio. The deck supports both manual and automatic recording level adjustments, providing flexibility for various recording scenarios.
The device includes a headphone output with a dedicated level control, enabling private listening and monitoring. It also offers multiple input and output options, including CD/DAT Direct In, Line In, and Line Out, facilitating integration with other audio components. The remote control capability allows for convenient operation from a distance, enhancing user experience.
Operating the AIWA XK-009 involves a straightforward process, guided by its intuitive controls and clear indicators. To begin, users select the desired tape type (Normal, CrO2, or Metal) using the tape selector switch. For recording, the input source is chosen via the input selector (Line or CD/DAT Direct). The recording level can be set manually using the dedicated VR (variable resistor) or automatically, ensuring that the audio signal is captured without distortion. The peak level meter provides visual feedback, helping users maintain appropriate recording levels.
The noise reduction system can be engaged by selecting either Dolby NR (B or C) or dbx, depending on the user's preference and the source material. The bias adjustment feature allows for fine-tuning the recording bias to match the specific tape in use, which is crucial for achieving the best possible frequency response and minimizing distortion. This adjustment can be performed using the bias VR, often in conjunction with a calibration tone.
For playback, users simply insert a cassette and press the Play button. The deck's dual-capstan system ensures smooth tape transport and stable playback. The real-time counter helps in navigating the tape to desired sections. The headphone output allows for private listening, with its own volume control.
The XK-009 also supports various tape transport functions, including fast forward, rewind, pause, and stop, all accessible via dedicated buttons. The remote control functionality further enhances convenience, allowing users to manage playback and recording operations from a comfortable distance. The display provides essential information such as tape position, recording/playback status, and selected noise reduction mode.
Maintaining the AIWA XK-009 involves several routine procedures to ensure its longevity and optimal performance. The service manual outlines detailed disassembly instructions for accessing internal components, which is essential for cleaning, inspection, and repair. Key components such as the cassette holder, main circuit boards, and mechanism assembly can be removed following specific steps, including screw removal and careful handling of connectors and wires.
Regular cleaning of the tape heads, capstans, and pinch rollers is crucial to prevent audio degradation caused by tape residue. The manual implicitly suggests that these components should be cleaned periodically to maintain sound quality and prevent tape damage. While not explicitly detailed in the "Maintenance Features" section, the "Practical Service Figure" and "Adjustment" sections provide insights into the critical components that require attention during service.
The manual also covers various adjustment procedures, such as play motor adjustment, tape speed adjustment, and azimuth adjustment. These adjustments are vital for maintaining accurate tape transport, correct playback speed, and optimal head alignment, all of which directly impact sound quality. For instance, azimuth adjustment ensures that the playback head is perfectly aligned with the recorded tracks on the tape, maximizing high-frequency response.
Electrical main parts lists and block diagrams are provided, which are invaluable for troubleshooting and component replacement. These resources help technicians identify specific parts and understand their interconnections within the circuit. The IC description section details the functions of integrated circuits, aiding in diagnosing electronic faults.
The exploded views and mechanical parts lists offer a visual guide for reassembling the device and identifying mechanical components, making repairs more efficient. The instructions for removing and replacing parts like the stabilizer solenoid and various circuit boards are clear, emphasizing careful handling to avoid damage.
Overall, the AIWA XK-009 is designed with serviceability in mind, providing comprehensive documentation to support both routine maintenance and more complex repairs, ensuring that the device can continue to deliver high-quality audio performance over its lifespan.
General| Track System | 4-track, 2-channel stereo |
|---|---|
| Tape Speed | 4.8 cm/s |
| Heads | 1 x Record/Playback, 1 x Erase |
| Tape Type | CrO2, Metal |
| Frequency Response | 20Hz to 20kHz (Metal tape) |
| Output | 0.5V (line) |
