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General| Track System | 4-track, 2-channel stereo |
|---|---|
| Heads | 1 x record/playback, 1 x erase |
| Motor | DC servo motor |
| Wow and Flutter | 0.04% (WRMS) |
| Wow and Flutter (WRMS) | 0.04% |
| Type | Cassette Deck |
| Tape Type | Normal, CrO2, Metal |
| Frequency Response | 20Hz to 20kHz (Metal tape) |
| Frequency Response (CrO2 tape) | 20Hz to 19kHz |
| Output | 0.4V (line) |
| Output Level | 0.4V (line) |
| Input | 60mV (line) |
| Power Supply | 220V |
| Signal to Noise Ratio (dolby B) | 66dB |
| Signal-to-Noise Ratio (Dolby B On) | 66dB |
Covers power, motor, tape speed, dimensions, and weight.
Details wow/flutter, frequency response, and signal-to-noise ratio.
Lists input/output levels, head types, and connection details.
Groups power switch, indicators, and level meters.
Covers buttons and indicators for tape operation like play, stop, record, eject.
Includes bias, equalization, input selectors, and level controls.
Identifies microphone, headphone, line input/output jacks.
Details the steps to remove the main case cover using screws.
Outlines the process to detach the bottom cover.
Describes how to remove the front panel assembly.
Explains the steps to detach the internal mechanism.
Details the process to remove the main circuit board.
Lists head azimuth, bias, playback gain, overall gain, and frequency response.
Details requirements for audio oscillators and distortion meters.
Covers specifications for attenuators, oscilloscopes, counters, and wow meters.
Covers ambient conditions, positioning, and oscillator voltage adjustment.
Discusses test tape life and lists available test tape types.
Details the measurement and adjustment method for pressure roller tension.
Describes the measurement and adjustment of takeup reel tension.
Explains the procedure for adjusting the record/playback head angle.
Method for measuring and adjusting tape speed accuracy.
Procedure for measuring tape speed fluctuations.
Method for measuring wow and flutter using a wow meter.
Method for measuring playback frequency response using test tape.
Procedure for measuring and adjusting playback gain.
Method for measuring playback signal-to-noise ratio.
Method for measuring and adjusting bias current for recording.
Procedure for measuring erase head current.
Method for measuring and adjusting the overall signal gain.
Procedure for checking and adjusting the zero point of level meters.
Method for measuring and adjusting overall distortion.
Describes calibration for the peak level check switch.
Method for measuring and adjusting overall frequency response.
Adjusting frequency response by modifying bias current.
Adjusting recording equalization using peaking coils.
Adjusting frequency response based on standard values by modifying bias current.
Method for measuring overall signal-to-noise ratio.
Describes adjustments for the Dolby NR circuit.
Provides layout diagrams for main and switch circuit boards.
Lists mechanical parts and provides important ordering notes.
Lists various resistors with their part numbers and values.
Lists capacitors and variable resistors with their part numbers and values.
Lists various active and passive electronic components.
Lists other components, cabinet parts, accessories, and packing details.
