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Teac A-3300 Service Manual

Teac A-3300
102 pages
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TEAC
2:33%9
SERVICE
MANUAL
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Teac A-3300 Specifications

General IconGeneral
Track System4-track, 2-channel, stereo/monaural system
Signal to Noise Ratio58dB
Total Harmonic Distortion1.5%
Motor TypeAC Synchronous
TypeReel to Reel Tape Deck
Tape Speed3.75 & 7.5 ips (inches per second)
Wow and Flutter0.08% (7.5 ips)
Frequency Response30Hz to 28kHz (7 1/2 ips)
Heads1 x erase, 1 x record, 1 x playback
Reel Size7 inch
InputsMicrophone, Line
OutputsLine

Summary

2. SERVICE DATA

HEAD REPLACEMENT

5. HEAD ALIGNMENT -MECHANICAL-

Erase Head Section Alignment

Aligning the erase head pole relative to the tape width.

Record Head Section Alignment

Aligning the record head pole relative to the tape width.

Playback Head Alignment

Aligning the playback head pole relative to the tape.

VOLTAGE AND FREQUENCY CONVERSION

6. MEASUREMENT AND ADJUSTMENT -MECHANICAL-

Pinch Roller Pressure Check and Adjustment

Procedure to measure and adjust pinch roller pressure using a spring scale.

Torque Measurement Procedure

Measuring and adjusting take-up and back tension torques with resistors.

Brake Torque Measurement and Adjustment

Procedure for checking and adjusting brake torque using a spring scale.

7. MEASUREMENT AND ADJUSTMENT -ELECTRICAL-

Playback Head Azimuth Adjustment

Adjusting playback head azimuth for optimal signal using a level meter.

Specified Output Level Set

Setting the nominal output signal level using output controls and VRs.

Bias Trap Adjustment

Adjusting the bias trap circuit to minimize bias signal leakage.

Bias Adjustment

Adjusting bias levels for optimal recording performance.

9. PREVENTIVE MAINTENANCE

10. TROUBLE SHOOTING

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