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General| Track System | 4-track, 2-channel stereo |
|---|---|
| Wow and Flutter (WRMS) | 0.05% |
| Input | 50mV (line) |
| Output | 0.5V (line) |
| Dimensions | 17.2" x 5.5" x 11.5" |
| Weight | 14.5 lbs |
| Tape Type | Type I, CrO2, Metal |
| Noise Reduction | Dolby B |
| Frequency Response | 20 Hz - 20 kHz |
| Motor | DC Servo Motor |
| Frequency Response (Normal Tape) | 20Hz - 18kHz |
| Signal to Noise Ratio | 70dB (dolby c) |
Instructions for removing the top and bottom covers of the unit.
Steps for removing the main mechanism assembly.
Adjusting the tilt of the record and playback heads for optimal performance.
Adjusting erase head stroke and checking tape guide height.
Adjusting the height and tilt of the erase head.
Aligning playback and record heads for height and azimuth.
Calibrating the tape speed to the correct value.
Adjusting tape speed using volume incorporated in capstan motor.
Adjusting PH height gear for minimum AC voltmeter readings.
Aligning playback head azimuth screw for maximum AC voltmeter readings.
Adjusting playback head azimuth for maximum levels with different tapes.
Adjusting bias oscillation frequency and checking erase current.
Adjusting L105/L205 for approximately 16 dB at 23 kHz.
Adjusting RH height gear for maximum readings on AC voltmeter.
Adjusting record head azimuth screw for maximum readings.
Adjusting record level and bias current for different tape types.
Adjusting various controls for optimal overall frequency response.
Adjusting calibration tone and meter levels for accuracy.
Detailed schematic diagrams of the unit's circuitry.
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