Pioneer CT-F850 - Service Manual

CASSETTE TAPE DECK
T=F-Ss50
Y PIONEER’

Summary

Front Panel Controls and Indicators Overview

External Component Disassembly Procedure

Mechanical Assembly Disassembly

Mechanical Assembly Component Parts

5. PARTS LOCATION

Component Location Views and Identification

Identifies parts across front, top, rear panels, and internal views.

6. BLOCK DIAGRAM

7. CIRCUIT DESCRIPTIONS

Recording and Playback Circuit Descriptions

Level Meters and Dolby NR Circuit Descriptions

Dolby NR Circuit Operation

Control Circuits Overview

Play, Record, and Pause Control Circuits

Switching and Auto Start Control Circuits

Direct Switching and Auto Stop Control Logic

7.6 MUTING CIRCUITS

Muting Circuits During Tape Transport Modes

8. MECHANICAL ADJUSTMENTS

Mechanical Adjustments: Pinch Roller, Tape Speed, Guide

Procedures for adjusting pinch roller pressure, tape speed, and tape guide.

9. ELECTRICAL ADJUSTMENT

Head Azimuth Electrical Adjustment Procedure

Procedure to adjust head azimuth for optimal playback.

Playback Adjustments

Bias and Erasure Current Adjustments

Bias and Recording Frequency Response Adjustments

Recording Level and Dolby NR Adjustments

Playback Dolby NR Level Adjustment

10. EXPLODED VIEWS

11. SCHEMATIC DIAGRAMS, P.C. BOARD PATTERNS AND PARTS LIST

Electrical Connection Diagram

Main Schematic Diagram

PC Board Connection Diagram

Mother Assembly Schematic

Power Supply and Control Schematic

Indicator Amplifier Schematic

Sensing and Indicator Assembly Schematics

Pioneer CT-F850 Specifications