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Teac X-10 Service Manual

Teac X-10
66 pages
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TEAC.
SERVICE
MANUAL
X-10R
/X-10
Stereo
Tape
Deck
Effective:
July,
1979
A90026
5704000200

Other manuals for Teac X-10

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Teac X-10 Specifications

General IconGeneral
Track System4-track, 2-channel stereo
Reel SizeUp to 10.5 inch reel
Total Harmonic Distortion0.8%
Output0.45V (line)
TypeReel-to-reel tape deck
Motor2 x reel drive, 1 x capstan
Tape Speeds3.75 & 7.5 ips
Heads3 x record/playback, 1 x erase
Frequency Response30Hz to 28kHz (7 1/2 ips)
InputLine level

Summary

1 SPECIFICATIONS AND SERVICE DATA

SPECIFICATIONS

Detailed technical specifications for the tape deck.

SERVICE DATA

Technical data for service and maintenance procedures.

MECHANICAL

Specifications related to mechanical operation and performance.

ELECTRICAL

Specifications related to electrical performance and features.

2 MECANICAL ADJUSTMENTS AND CHECKS

2-1 CONTROL PCB ASSY CHECK

Procedure for checking the control PCB assembly for proper function.

2-2 BRAKE ADJUSTMENT

Steps to adjust the brake system for proper operation and clearance.

2-3 BRAKE TORQUE MEASUREMENT

Method for measuring brake torque specifications to ensure correct tension.

2-4 REEL MOTOR TORQUE MEASUREMENT

Procedure for measuring and verifying reel motor torque specifications.

2-6 PINCH ROLLER PRESSURE STROKE ADJUSTMENT

Adjusting the pinch roller pressure stroke for optimal tape contact.

2-7 PINCH ROLLER PRESSURE MEASUREMENT

How to measure pinch roller pressure to meet specifications.

2-8 TENSION ARM HEIGHT ADJUSTMENT

Adjusting the height of the tape tension arms for correct tape tension.

2-9 TENSION ARM FORCE ADJUSTMENT

Adjusting the tension arm force by changing spring hook position.

2-12 STOP SENSOR ASS'Y POSITION ADJUSTMENT

Adjusting the position of the stop sensor assembly for accurate detection.

2-16 TAPE SPEED ADJUSTMENT

Adjusting the tape speed for accuracy using a frequency counter.

3 ELECTRICAL ADJUSTMENTS AND CHECKS

3-1 MONITOR PERFORMANCE

Checking the audio monitoring output levels and performance with test signals.

2-17 WOW AND FLUTTER CHECKS

Measuring wow and flutter for tape speed stability using test tapes.

2-18 VOLTAGE CONVERSION (FOR GENERAL EXPORT MODELS)

Instructions for converting voltage settings for general export models.

2-20 HEAD AND TAPE PATH ALIGNMENTS

2-20-1 HEAD ARRANGEMENT (for X-10R)

Diagram showing head arrangement and adjustment points for tape path alignment.

2-20-3 ALIGNMENT PROCEDURE

Step-by-step procedure for aligning heads and tape path for optimal performance.

3-2 PLAYBACK PERFORMANCE

5. PLAYBACK HEAD AZIMUTH

Adjusting playback head azimuth for optimal signal quality.

6. PLAYBACK LEVEL

Checking and adjusting playback output levels to specified values.

8. FREQUENCY RESPONSE

Measuring the frequency response of the playback system.

11. SIGNAL TO NOISE RATIO

Measuring the signal-to-noise ratio during playback for audio quality.

3-3 RECORDING PERFORMANCE

13. RECORD HEAD AZIMUTH

Adjusting record head azimuth for optimal recording quality.

15. RECORD LEVEL

Setting and checking record levels for proper input signal strength.

16. DISTORTION

Measuring distortion levels during recording to ensure audio fidelity.

17. SIGNAL TO NOISE RATIO

Measuring signal-to-noise ratio during recording for audio clarity.

21. PHASE SHIFT

Checking phase shift during recording for channel alignment.

23. ADJACENT TRACK CROSSTALK

Measuring crosstalk between adjacent tracks for signal isolation.

3-4 ADJUSTMENT AND TEST POINT LOCATIONS

3-5 LEVEL DIAGRAM

4 EXPLODED VIEWS AND PARTS LIST

EXPLODED VIEW-1 (X10-R)

Exploded view of the X-10R tape deck mechanism with numbered parts.

PARTS LIST (X-10R)

Detailed list of parts for the X-10R model, including part numbers.

EXPLODED VIEW-2 (X-10)

Exploded view of the X-10 tape deck mechanism with numbered parts.

PARTS LIST (X-10)

Detailed list of parts for the X-10 model, including part numbers.

5 PC BOARDS AND PARTS LIST

REC AND PLAY AMPL PCB ASSY (X-10R)

Component layout and part list for the X-10R record/play amplifier PCB.

REC AND PLAY AMPL PCB ASSY (X-10)

Component layout and part list for the X-10 record/play amplifier PCB.

CONTROL PCB ASSY (X-10R)

Component layout and part list for the X-10R control PCB.

CONTROL PCB ASSY (X-10)

Component layout and part list for the X-10 control PCB.

MIC AMP PCB ASSY

Component layout and part list for the microphone amplifier PCB.

VR PCB ASSY

Component layout and part list for the volume control PCB.

IN/OUTPUT PCB ASSY (DBX)

Component layout and part list for the DBX in/output PCB.

CONNECTOR PCB ASSY (X-10R)

Component layout and part list for the X-10R connector PCB.

SPEED SW PCB ASSY

Component layout and part list for the speed switch PCB.

CONNECTOR PCB ASSY (X-10)

Component layout and part list for the X-10 connector PCB.

STOP SENSOR PCB ASSY

Component layout and part list for the stop sensor PCB.

REC AND PLAY AMPL PCB ASSY (X-10R)

ICs

List of integrated circuits on the X-10R REC/PLAY PCB.

TRANSISTORS

List of transistors on the X-10R REC/PLAY PCB.

DIODES

List of diodes on the X-10R REC/PLAY PCB.

RESISTORS

List of resistors on the X-10R REC/PLAY PCB.

REC AND PLAY AMPL PCB ASSY (X-10)

ICs

List of integrated circuits on the X-10 REC/PLAY PCB.

TRANSISTORS

List of transistors on the X-10 REC/PLAY PCB.

DIODES

List of diodes on the X-10 REC/PLAY PCB.

RESISTORS

List of resistors on the X-10 REC/PLAY PCB.

CAPACITORS (X-10R/X-10)

VARIABLE RESISTORS

List of variable resistors used in the circuits, with values.

TRIMMER CAPACITORS

List of trimmer capacitors used in the circuits.

COILS

List of coils used in the circuits, with inductance values.

MISCELLANEOUS

Other components like switches, jacks, and relays used in the circuits.

CONTROL PCB ASSY (X-10R)

ICs

List of integrated circuits on the X-10R control PCB.

TRANSISTORS

List of transistors on the X-10R control PCB.

DIODES

List of diodes on the X-10R control PCB.

RESISTORS

List of resistors on the X-10R control PCB.

CONTROL PCB ASSY (X-10)

ICs

List of integrated circuits on the X-10 control PCB.

TRANSISTORS

List of transistors on the X-10 control PCB.

DIODES

List of diodes on the X-10 control PCB.

RESISTORS

List of resistors on the X-10 control PCB.

ASSEMBLING HARDWARE CODING LIST

MACHINE SCREW

Coding for various types of machine screws used in assembly.

TAPPING SCREW

Coding for various types of tapping screws used in assembly.

SETSCREW

Coding for various types of setscrews used in assembly.

WOOD SCREW

Coding for various types of wood screws used in assembly.

TAPTITE SCREW

Coding for various types of taptite screws used in assembly.

WASHER

Coding for various types of washers used in assembly.

SEMS SCREW

Coding for various types of SEMS screws used in assembly.

NUT

Coding for hexagon nuts used in assembly.

TEAC SCHEMATIC DIAGRAM (TAPE TRANSPORT)

CONTROL PCB

Schematic diagram for the control PCB.

CAPSTAN MOTOR SERVO PCB

Schematic diagram for the capstan motor servo PCB.

STOP SENSOR PCB

Schematic diagram for the stop sensor PCB.

SPEED SW PCB

Schematic diagram for the speed switch PCB.

TEAC SCHEMATIC DIAGRAM (AMPLIFIER)

MIC AMP PCB

Schematic diagram for the microphone amplifier PCB.

REC AND PLAY AMPL PCB

Schematic diagram for the record and play amplifier PCB.

IN/OUT PCB

Schematic diagram for the in/out PCB.

VR PCB

Schematic diagram for the volume control PCB.

dbx Unit

CONTROL PCB

CAPSTAN MOTOR SERVO PCB

STOP SENSOR PCB

SPEED SW PCB

TEAC SCHEMATIC DIAGRAM (AMPLIFIER)

MIC AMP PCB

Schematic diagram for the microphone amplifier PCB.

REC AND PLAY AMPL PCB

Schematic diagram for the record and play amplifier PCB.

IN/OUT PCB

Schematic diagram for the in/out PCB.

VR PCB

Schematic diagram for the volume control PCB.

TEAC SCHEMATIC DIAGRAM (AMPLIFIER)

MIC AMP PCB

Schematic diagram for the microphone amplifier PCB.

REC AND PLAY AMPL PCB

Schematic diagram for the record and play amplifier PCB.

IN/OUT PCB

Schematic diagram for the in/out PCB.

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