Bang & Olufsen Beogram 8500 User Manual

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Beogram 9000 :
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Beogram 9500
TYPE 5966-5968-5969-5970
TX 2
TYPE 5911-5913

Bang & Olufsen Beogram 8500 Specifications

General

Speeds	33 1/3, 45 RPM
Weight	5.5 kg
Tonearm effective length	230 mm
Drive system	Belt drive
Tonearm	Tangential tracking tonearm
Cartridge	MMC 2
Platter	Aluminium
Wow and flutter	0.05%

Summary

System Components and Specifications

System Components

Identifies key internal modules and chassis parts.

Technical Specifications

Details tonearm, motor, speed, RIAA, and pickup specs.

Diagrams and Schematics

Control Circuit Diagram

Schematic illustrating electronic control circuits.

Muting Circuit and Activity Diagrams

Muting PCB details and operational sequence charts.

Parts Identification

Electrical Parts List

Catalog of electronic components with part numbers.

Mechanical Parts Identification

Exploded views and part numbers for mechanical components.

Fasteners and Hardware

Lists screws, springs, and other small assembly parts.

Maintenance Procedures

Lubrication Guide

Details lubrication points, procedures, and required lubricants.

Adjustments and Calibration

Pickup Arm Transport Adjustments

Setting in/out travel and lift/lower movements.

Speed and Turntable Calibration

Adjusting playback speed and turntable height/centering.

Pickup Arm Alignment

Adjusting arm parallelism and set-down points.

PCB Positioning and Muting Adjustment

Mounting PCBs and calibrating the muting circuit.

Repair and Servicing

Wire Drive and Camwheel Installation

Step-by-step guide for mechanical drive components.

Tone Arm Installation and Repair

Procedures for refitting and servicing the tone arm.

Testing and Safety

Electrical Insulation Testing

Procedure for performing safety insulation tests.