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General| Brand | TANDBERG |
|---|---|
| Model | 14 Series |
| Category | Measuring Instruments |
| Language | English |
Detailed technical specifications for the standard model tape recorder, including power, tape speeds, and heads.
Description and function of the operating lever and its five positions.
Details the supply and take-up turntable assemblies and their components.
Procedures for horizontal and height adjustments of turntables using special tools.
Explanation of how motor torque is transferred via friction discs and clutches.
Explains the design and operation of the speed selector mechanism for Series 14.
Explains the speed selector for Series 15, noting differences from Series 14.
Details the mechanism for instantaneous start/stop and its adjustments.
Explains the automatic end stop mechanism for motor shut-off or tape break.
Instructions for adjusting the tape feeler movement and microswitch operation.
Details the line amplifier circuit, its components, and amplification.
Describes the microphone amplifier circuit, frequency response, and amplification.
Details the equalizing amplifier circuit for recording and playback.
Simplified diagram of the equalizing network for recording mode.
Circuit diagram and explanation of the equalizing amplifier in playback mode.
Description of the playback booster and its frequency response.
Explains the push-pull oscillator circuit for erase and bias voltage.
Explains the power supply and voltage regulator circuits.
Describes the track selector for 4-track and 2-track models.
Explains the functions of the AMP, PLAYBACK, and RECORD positions.
Procedures for adjusting the record/playback head for optimal performance.
Procedures for azimuth adjustment for 4-track and 2-track models.
Methods for controlling and verifying tape tracks.
Adjusting head height using track measurement on 4-track models.
Adjusting record current and setting the record level indicator.
Verifying frequency curves against specified tolerances.
Procedure for checking tape distortion and adjusting record current.
Instructions for connecting audio generator and oscilloscope to check output amplifier.
Details the Model 15 GT, its increased height, and group functions.
Procedures for adjusting signal levels for headphones in the Model 15 GT.
Details the Model 15 F and its remote control facilities.
Explains the mechanical operation of the remote control for the Model 15 F.
Explains the electrical operation of the Model 15 F in different modes.
Details circuit modifications for recording on Low Noise tape.
Modifications for the F-Model from serial number 2510 020.
Modifications required to convert from 2-track to full-track models.
Procedures for modifying the tape recorder for different line frequencies.
