Teac R-919X Service Manual

TEAC
SERVICE MANUAL
V-970X/R-919X
STEREO CASSETTE DECK

Teac R-919X Specifications

General

Brand	Teac
Model	R-919X
Category	Cassette Player
Language	English

Summary

1 SPECIFICATIONS

Tape Transport and Performance Specifications

Details for track system, heads, tape type, speed, motors, wow/flutter, frequency response, and S/N.

Electrical and Physical Specifications

Covers input/output levels, power requirements, consumption, dimensions, and weight.

2 REMOVAL OF EXTERNAL COMPONENTS

3 PARTS LOCATION

4 MECHANICAL ADJUSTMENTS AND CHECKS

4-1 PINCH ROLLER PRESSURE

Procedure to measure and adjust pinch roller pressure.

4-2 TAPE PATH ADJUSTMENT

Procedure for adjusting tape path alignment and head azimuth.

4-3 PHOTO SENSOR ADJUSTMENT (R-919X)

Procedure for adjusting photo sensor operation specific to the R-919X model.

4-4 REEL TORQUE CHECKS AND ADJUSTMENTS

Guidelines for checking and adjusting reel torque.

4-5 TAPE SPEED ADJUSTMENT

Procedure for adjusting tape speed accuracy.

4-6 WOW AND FLUTTER CHECKS

Method for measuring wow and flutter values.

4-7 LUBRICATION

Instructions for lubricating components during replacement.

4-8 VOLTAGE CONVERSION

Steps for converting voltage settings for export models.

5 ELECTRICAL CHECKS AND ADJUSTMENTS

5-1 PRECAUTIONS

Important precautions before performing electrical checks and adjustments.

5-2 TEAC TEST TAPES

List of TEAC test tapes and their uses for calibration and measurement.

5-3 PLAYBACK PERFORMANCE

Procedures for checking and adjusting playback performance parameters.

5-4 MONITOR PERFORMANCE

Steps for checking and adjusting the monitor circuit performance.

5-5 RECORDING PERFORMANCE

Procedures for checking and adjusting recording performance parameters.

6 EXPLODED VIEWS AND PARTS LIST

Exploded View-1 (V-970X)

Diagram showing the exploded view and parts list for V-970X.

Exploded View-2 (V-970X)

Diagram showing the exploded view and parts list for V-970X.

Exploded View-3 (V-970X)

Diagram showing the exploded view and parts list for V-970X.

Exploded View-4 (R-919X)

Diagram showing the exploded view and parts list for R-919X.

Exploded View-5 (R-919X)

Diagram showing the exploded view and parts list for R-919X.

Exploded View-6 (R-919X)

Diagram showing the exploded view and parts list for R-919X.

7 PC BOARDS AND PARTS LIST

Main PCB Assembly Diagrams and Parts (V-970X)

Schematic diagrams and part listings for the V-970X Main PCB.

Joint PCB C & D Assembly Diagrams and Parts (V-970X)

Schematic diagrams and part listings for V-970X Joint PCBs C and D.

Main PCB Assembly Diagrams and Parts (R-919X)

Schematic diagrams and part listings for the R-919X Main PCB.

Joint PCB C & D Assembly Diagrams and Parts (R-919X)

Schematic diagrams and part listings for R-919X Joint PCBs C and D.

8 IC BLOCK DIAGRAMS