Revox A77 Stereo Tape Recorder Service Manual
by STUDER REVOXComplete service manual for the Revox A77 reel-to-reel tape recorder. Contains sections on general information, dismantling procedures, mechanical components (headblock, tape guides, brakes, pressure roller, capstan motor), electronics (amplifiers, oscillator, power supply, drive control), electrical adjustments and measurements, accessories, and troubleshooting. Includes technical specifications, dimensional drawings, schematic diagrams, and component layout diagrams.
Table of Contents:
- General
- Front Panel Rear Panel
- Dismantling
- Removal of Housing
- Removal of Cover Panel
- Removal of Front Panel
- Removal of Power Switch
- Removal of Brake Unit
- Removal of Reel Motors
- Removal of Capstan Motor
- Removal of Control Board
- Removal of Power Transformer
- Removal of Amplifier Cards
- Removal of Potentiometer
- Removal of Switch Board
- Removal of Frame (Removal of Rotary Switches)
- Mechanics
- Headblock
- Tape Guides
- Head Mounting
- Tape Tension
- Brakes (Stop)
- Brake Torque Measurement
- Brake Adjustment
- Pressure Roller
- Pressure Measurement
- Pressure Solenoid Readjustment
- Exchange of Pressure Roller
- Pressure Lever Readjustment
- Capstan Motor
- Removal of Capstan Axis, Ball Bearings
- Exchange of Reel Motor Bearings
- Lubrication
- End-of-Tape Switch
- Electronics
- Switch Board and VU-Meter Board
- Input Amplifier
- Record Amplifier
- Oscillator
- Record Relay
- Playback Amplifier
- Power Amplifier (Loudspeaker Amplifier)
- Power Supply
- Drive Control
- Photoelectric End-of-Tape Switch
- Speed Regulation, Capstan Motor
- Electrical Adjustments and Measurements
- Demagnetizing
- Tape Speed
- Pick-up Head - Adjustment
- Tacho Adjustment
- Tacho Adjustment with Cathode-Ray Oscilloscope
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Document Details
- Format
- Pages
- 114
- Size
- 76.2 MB
- Category
- Audio & HiFi