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Teac X-300R Service Manual

Teac X-300R
48 pages
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Teac X-300R Specifications

General IconGeneral
Number of Heads3
Track System4-track, 2-channel stereo
Weight6.5 kg
Noise ReductionDolby B, Dolby C
Frequency Response20 Hz to 20 kHz
Total Harmonic Distortion0.8%
InputsLine input, microphone input
OutputsLine output, headphone output
HeadsErase head, record head, playback head
Tape TypeMetal
Wow and Flutter0.04%
Typeauto reverse, 3-head, single compact cassette deck

Summary

Specifications and Service Data

Specifications

General technical specifications of the tape deck.

Service Data

Technical data and parameters for service.

Mechanical Adjustment and Checks

Capstan Thrust Clearance

Adjusts clearance between capstan shaft and thrust plate.

Shut-off Switch Position

Adjusts microswitch and actuator clearance for auto-shutoff.

Brake Mechanism

Adjusts brake solenoid for proper brake engagement.

Brake Torque

Reel Motor Torque

Take-Up Torque

Measures and adjusts take-up torque for reel motor.

Back Tension

Adjusts back tension for tape reel motor.

Pinch Roller Pressure

Reel Table Height

Reel Table Height

Tape Speed

Wow and Flutter

Playback

Checks wow and flutter during playback.

Overall

Checks overall wow and flutter during recording.

Head and Tape Path Alignment

Reverse Guide Height (X-300R)

Frequency and Voltage Conversion

Lubrication

Electrical Adjustment and Checks

Power Supply Check

Checks the DC voltage output of the power supply.

Monitor Performance

Checks monitor output levels for various connections.

VU meter

MIC input level

PHONES output level

Playback Performance

Playback head azimuth

Checks playback head azimuth alignment.

Playback level

Checks playback signal level.

Frequency response

Signal-to-noise

Recording Performance

Bias trap

Checks bias trap adjustment.

Record bias (LH II)

Adjusts record bias for LH II tape.

Record level (LH II)

Adjusts record level for LH II tape.

Frequency response (LH I, LH II)

Checks frequency response during recording.

Record bias (EE)

Record level (EE)

Frequency response (EE)

Signal-to-noise ratio

Erase efficiency

REC MUTE function

Channel separation

Adjacent track crosstalk

Distortion

Adjustment and Test Point Locations

Assembling Hardware Coding List

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