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Teac CX-350 Service Manual

Teac CX-350
25 pages
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YS
TEAC
SERVICE
MANUAL
X-350/CX-351
Steree
Cassette
Deck
Effective:
February,
1980
890162
5704003601
__
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Teac CX-350 Specifications

General IconGeneral
BrandTeac
ModelCX-350
CategoryCassette Player
LanguageEnglish

Summary

Specifications and Service Data

Specifications

Detailed technical specifications of the cassette deck, including tape system, speed, inputs, and outputs.

Mechanical Service Data

Mechanical parameters such as tape speed deviation, wow and flutter, pinch roller pressure, and reel torque.

Electrical Service Data

Electrical characteristics including frequency response, signal-to-noise ratio, and harmonic distortion.

Removal of External Components

External Dimensions

Technical drawing and dimensions of the cassette deck unit.

Parts Location

Internal Component Layout

Diagram showing the internal layout of major components like the power transformer and PCB assemblies.

Front Panel Component Layout

Diagram illustrating the location of front panel components such as heads, meters, and controls.

Mechanical Adjustments and Checks

Capstan Assembly Thrust Adjustment

Procedure to check and adjust the capstan shaft thrust value.

Pinch Roller Pressure Adjustment

Method for measuring and setting the pinch roller pressure.

Reel Torque Adjustment

Instructions for checking take-up and supply reel torque.

Tape Speed Adjustment

Procedure for setting and checking tape speed accuracy.

Muting Switch Check

Steps to verify the proper operation of the muting switch.

Motor Switch Check

Verification of the motor switch function during playback and stop modes.

Lock Plate Release Solenoid Adjustment

How to adjust the lock plate release solenoid for correct operation.

Playback Performance

Head Azimuth Alignment

Procedure for aligning the head azimuth for optimal playback.

Output Level Measurement

Method for measuring and setting the output signal level.

VU Meter Accuracy Check

Procedure to check the accuracy of the VU meters.

Monitor Performance

Minimum Input Level Check

Checking the minimum input signal levels for MIC and LINE inputs.

LINE Input Specific Level Verification

Verifying the specific input level for the LINE input.

VU Meter Monitoring

Procedure to check VU meter performance during monitoring.

Recording Performance

Bias Trap Adjustment

Procedure for adjusting the bias trap for optimal recording.

Record Bias Setting

Method to set the recording bias for different tape types.

Record Level Setting

Procedure for adjusting the recording input level.

Total Harmonic Distortion Measurement

Measurement of harmonic distortion during recording.

Recording Frequency Response

Procedure to check and adjust the frequency response during recording.

Signal-to-Noise Ratio (Recording)

Measurement of signal-to-noise ratio during the recording process.

Erase Efficiency Check

Procedure to check the tape erase efficiency.

REC MUTE Function Test

Testing the REC MUTE function for proper operation.

Channel Separation (Recording)

Measurement of channel separation during recording.

Adjustment and Test Point Locations

REC/PLAY AMPL. PCB Test Points

Diagram showing test points on the REC/PLAY Amplifier Printed Circuit Board.

Assembling Hardware Coding List

Screw and Hardware Identification

Table detailing various screw types, codes, and their descriptions for assembly.

Exploded Views and Parts Lists

Exploded View 1: External Components

An exploded diagram showing the external components and their assembly order.

Included Accessories

List of accessories that are included with the cassette deck.

Exploded View 2

Internal Mechanism Exploded View

Exploded diagram illustrating the internal mechanism parts of the cassette deck.

Exploded View 3

Mechanical Sub-assembly Exploded View

Exploded diagram detailing parts of a specific mechanical sub-assembly.

Exploded View 4

Electronic Components Exploded View

Exploded diagram showing various electronic components and their mounting.

PC Boards and Parts List

REC/PLAY AMPL. PCB Assembly

Detailed list of components for the REC/PLAY Amplifier Printed Circuit Board.

Mechanism PCB Assembly

Detailed list of components for the Mechanism Printed Circuit Board.

Schematic Diagram

Circuit Diagram Overview

The main circuit diagram illustrating the connections between various electronic components.

Component Notes and Safety Precautions

Important notes regarding component values, measurements, and safety critical parts.

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