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Pioneer CT-F850 Service Manual

Cassette tape deck

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Operating instructions manual (18 pages)

Service manual (47 pages)

Table Of Contents

Table of Contents

Model CT-F850 Comes in Six Versions Distinguished as Follows
Contents
Specifications
Front Panel Facilies
Level Diagram
Playback
Recording
Disassembly
External Components
Mechanical Assembly
Fluorescent Display Tubes
Sub-Head Base Ass'y, Pinch Roller Arm Ass'y and Pressure Arm
Removing the Sub-Head Base Ass'y, Pinch Roller Arm Ass'y and Pressure Arm
Mechanical Assembly Component Parts
Parts Location
Front and Rear Panel View
Front View with Panel Removed
Top View with Bonnet Removed
Block Diagram
Circuit Descriptions
Recording and Playback Circuit
Block Diagram of the PA4001
Tape Selector and Equalizer
Tape Slack Canceller Circuit
Level Meters Circuit
Dolby NR Circuit
Operation During Recording Mode
Operation During Playback Mode
Control Circuits
Play Mode
Rec Mode
Pause, Auto-Start and Timing Circuit
Direct Switching from Ff/Rew Modes to Play Mode
Direct Switching from Play Mode to Ff/Rew Modes
Auto Stop Circuit
Switching Circuit for Pinch Solenoid
Muting Circuits
Muting When Power Switch Turned on
Muting When Power Switch off
Muting During FF and Rew Modes
Muting Circuit (Power On/Off)
Muting at Start of Play and Rec Mode
Muting Circuit (FF, Rew, Rec, Play)
Muting When Rec Key Pressed During Play Mode
Muting When Switching from Rec Mode to Play Mode
Timing Chart
Mechanical Adjustments
Pinch Roller Pressure Adjustment
Tape Speed Adjustment
Tape Guide Adjustment
Electrical Adjustment
Adjustment Sequence
Recorded Contents of Test Tape
Head Azimuth Adjustment
Playback Equalizer Adjustment
Playback Level Adjustment
Level Meter Adjustment
Bias Trap Adjustment
Adjustment Point
Bias Adjustment
Output Level Drops 0.5D
Recording Frequency Response
Recording Level Adjustment
Recording Dolby Nr Level Adjustment
Playback Dolby Nr Level Adjustment
Exploded Views
Exterior
Parts List
Mechanism Assembly
Sub-Chassis
Schematic Diagrams, P.C. Board Patterns and Parts List
Miscellaneous Part List
Connection Diagram
Schematic Diagram
External Appearance of Transistors and Ics
Board Connection Diagram
Mother Assembly (RWX-302)
Power Supply and Control Assembly (RWX-076)
Indicator AMP Assembly
Sensing Assembly
Function Indicator Assembly
Fuse Assembly
Switch Assembly
Packing

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1 Model Ct-F850 Comes in Six Versions Distinguished as Follows
2 Specifications
3 Mechanical Assembly
4 Parts List
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Pioneer CT-F850 Service Manual

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