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Revox B790 Service Manual

Revox B790
67 pages
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B79O
SERVICE
ANLEITUNG
SERVICE
ICE
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Revox B790 Specifications

General IconGeneral
Drive SystemDirect Drive
Tracking ForceAdjustable
Speeds33 1/3 and 45 rpm
TonearmLinear Tracking
CartridgeOptional: Ortofon M20E Super
Wow and Flutter<0.05% DIN

Summary

General Information

Operating Elements

Overview of the device's operating elements.

Technical Specifications

Dimensions

Physical dimensions and weight of the device.

Disassembly Procedures

Remove Dust Cover

Instructions for removing the dust protection cover.

Remove Platter

Instructions for lifting the platter off the motor.

Remove Chassis

Instructions for removing the main chassis.

Remove Central Motor

Instructions for removing the central motor.

Mechanical Adjustments and Checks

Check Cartridge Position

Checking correct stylus guidance relative to the platter.

Using the Alignment Gauge

Instructions for using the alignment gauge for mechanical checks.

Adjust Tracking Force

Instructions for adjusting the correct tonearm tracking force.

Functional Description

Central Motor Control

Description of the control circuits for the platter motor.

Reference Signal

Description of the reference signal for speed control.

Motor Control Circuit Adjustments

Instructions for adjusting the motor control electronics.

Electrical Adjustments and Checks

Test Equipment and Aids

List of required measuring instruments and service aids.

Adjust Photo Sensor Sensitivity

Instructions for adjusting the sensitivity of the photo sensor.

Accessories

Cartridge Assembly Kit

Kit for mounting and aligning the cartridge.

Alignment Gauge

Tool for checking tonearm and cartridge position.

Alignment Disk

Disk to assist with cartridge alignment.

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