Teac X-3 Service Manual

TEAC,
SERVICE MANUAL
X-3
Stereo Tape Deck
Effective:
Septernber,
1980
A00013
5719006600

Teac X-3 Specifications

General

Brand	Teac
Model	X-3
Category	Tape Deck
Language	English

Summary

1 SPECIFICATIONS AND SERVICE DATA

SPECIFICATIONS

Lists technical details of the tape deck's physical and functional attributes.

SERVICE DATA

Provides performance metrics and mechanical/electrical specifications for service.

2 MECHANICAL ADJUSTMENTS AND CHECKS

2-1 CAPSTAN THRUST CLEARANCE

Procedure to check and adjust the capstan shaft thrust clearance.

2-2 SHUT-OFF SWITCH POSITION

Procedure to check and adjust the shut-off switch position.

2-3 BRAKE MECHANISM

Instructions for adjusting the brake mechanism components and clearances.

2-4 BRAKE TORQUE

2-5 REEL MOTOR TORQUE

2-5-1 TAKE UP TORQUE

Procedure to measure and check take-up torque.

2-5-2 BACK TENSION

2-6 PINCH ROLLER PRESSURE

2-7 REEL TABLE HEIGHT

2-8 TAPE SPEED

2-9 WOW AND FLUTTER

2-10 HEAD AND TAPE PATH ALIGNMENT

2-10-1 HEAD CONFIGURATION

Diagram showing head alignment parameters (azimuth, height, tilt).

2-10-2 ALIGNMENT CONDITIONS

Criteria for adjusting tilt, azimuth, and tangency of heads.

2-10-3 ALIGNMENT PROCEDURE

Step-by-step guide for aligning heads.

2-11 FREQUENCY AND VOLTAGE CONVERSION

2-12 LUBRICATION

3 ELECTRICAL ADJUSTMENTS AND CHECKS

3-1 POWER SUPPLY CHECK

Procedure to check the +12V DC output of the power supply.

3-2 MONITOR PERFORMANCE (1)

Checks for monitor output level and VU meter performance.

3-3 PLAYBACK PERFORMANCE

3-4 MONITOR PERFORMANCE (2)

3-5 RECORDING PERFORMANCE

19. Channel separation (L→R)

20. Channel separation (R→L)

21. Adjacent track crosstalk

22. Distortion

3-6 ADJUSTMENT AND TEST POINT LOCATIONS

ASSEMBLING HARDWARE CODING LIST

6 EXPLODED VIEWS AND PARTS LIST

EXPLODED VIEW-1

Detailed exploded view of the tape deck assembly.

EXPLODED VIEW-2

Detailed exploded view of internal components.

EXPLODED VIEW - 1

EXPLODED VIEW - 2

Detailed exploded view of internal components.

EXPLODED VIEW - 3

EXPLODE VIEW - 4

EXPLODED VIEW - 4

7 PC BOARDS AND PARTS LIST

CONTROL PCB A ASSY

Lists components and schematic for Control PCB A.

CONTROL PCB B ASSY

Lists components and schematic for Control PCB B.

REC/PLAY AMPL PCB ASSY

POWER SUPPLY PCB ASSY

CONTROL PCB A ASSY (Component list)

REC/PLAY AMPL PCB ASSY (Component list)

CONTROL PCB B ASSY (Component list)

RESISTORS

CAPACITORS

VARIABLE RESISTORS

COILS

MISCELLANEOUS

POWER SUPPLY PCB ASSY (Component list)

CAPACITORS

DIODES

MISCELLANEOUS

FUSES

TEAC SCHEMATIC DIAGRAM (AMPLIFIER)

TEAC SCHEMATIC DIAGRAM (CONTROL)