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Pioneer CT-740 Service Manual

Pioneer CT-740
25 pages
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Pioneer CT-740 Specifications

General IconGeneral
Track System4-track, 2-channel stereo
TypeStereo Cassette Deck
Heads3 (Record, Playback, Erase)
MotorDC Servo Motor
Tape TypeCrO2, Metal
Frequency Response20 Hz - 20 kHz
InputLine Level
OutputLine Level
Signal to Noise Ratio72dB (Dolby C)

Summary

Model Comparisons

Block Diagrams

Block Diagrams for Models CT-40 and CT-940

Detailed block diagram specific to the CT-40 and CT-940 cassette tape deck models.

Block Diagram for Model CT-740

Detailed block diagram specific to the CT-740 cassette tape deck model.

Block Diagram for Model CT-30

Detailed block diagram specific to the CT-30 cassette tape deck model.

Block Diagram for Model CT-20

Detailed block diagram specific to the CT-20 cassette tape deck model.

Block Diagram for Model CT-540

Detailed block diagram specific to the CT-540 cassette tape deck model.

Circuit Descriptions

Outline of Main Stage Circuits

Overview of primary circuits, including playback equalizer and Dolby Noise Reduction systems.

Control Circuits

Description of the control system and PD2006 IC pin functions for tape deck operations.

Mechanical Operations

Head Base Shift Mechanism

Explanation of the head base shift mechanism during stop and playback modes.

Auto-Stop Operation

Details on how the tape deck automatically switches to stop mode using a tape transport detector.

Timer Start Operation

Procedure for setting timer recording or playback modes based on control IC input.

Fast Forward Operation

Description of the fast forward tape transport mode, with and without music search.

Rewind Operation

Description of the rewind tape transport mode, similar to fast forward.

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