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Bang & Olufsen BeoLab 5 6881 User Manual

Bang & Olufsen BeoLab 5 6881
38 pages
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BeoLab 5
Type 6881, 6882, 6883, 6884, 6885, 6886, 6887, 6888
From serial no. 19375256
Service Center repair guide
English
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Bang & Olufsen BeoLab 5 6881 Specifications

General IconGeneral
Frequency Response28 Hz - 23 kHz
TypeActive Speaker
ConnectionsRCA
InputsRCA
ColorBlack
Amplifiers5 amplifiers per speaker unit

Summary

How to Service BeoLab 5

Front Line Service Procedures

Describes front-line service procedures, including part ordering for BeoLab 5.

Service Documentation Reference

Refers to the "Service Center repair guide" for part numbers and user guides.

Converting Mains Voltage Supply

Explains how to change the mains voltage supply and relevant jumper/fuse settings.

BeoLab 5 Type Survey

Lists BeoLab 5 types with corresponding transformer, jumper, mains cable, and fuse.

Warnings and Safety Precautions

ESD Precautions for Electronics

Warns about static electricity damaging electronics; advises ESD-mat use.

Handling and Surface Care Guidelines

Advises on careful handling, wearing gloves, and protecting sensitive surfaces.

PIN Code Protection Information

Introduces PIN code protection and mentions the service master code (11111).

BeoLab 5 Overall Block Diagram

System Overview Block Diagram

Provides a high-level block diagram of the BeoLab 5's internal circuitry and signal flow.

BeoLab 5 Wiring Diagram

Electrical Connections Diagram

Details the electrical wiring connections and component layout of the BeoLab 5.

BeoLab 5 Available Parts - Lens Assembly

Lens Components Illustration

Illustrates and lists parts related to the BeoLab 5 lens assembly.

BeoLab 5 Available Parts - Components and Hardware

Lens Components and Screw Survey

Lists part numbers for lens components and a survey of screws used in the BeoLab 5.

BeoLab 5 Available Parts - Speaker Drivers

Speaker Driver Assembly Illustration

Illustrates the main speaker driver components and their assembly.

BeoLab 5 Available Parts - Speaker Components and Accessories

Speaker Parts and Screw Listing

Lists part numbers for speaker components and a survey of screws.

BeoLab 5 Available Parts - Cables and Tools

Wire Bundles and Service Tool Parts

Details part numbers for wire bundles and other accessories like special tools.

BeoLab 5 Available Parts - Packing Materials

Packing and Shipping Component List

Illustrates and lists parts for packing and shipping the BeoLab 5.

Service Tips and Troubleshooting

No Power Symptom and Resolution

Describes no power symptom, causes (protection mode), and solutions.

Component Resistance Checks

Details how to check resistance of tweeter, midrange, and woofer units.

NTC Resistor and Thermal Reset

Specifies NTC resistor values and how to reset after thermal overload.

Service Tool and Driver Replacement

Service Tool Application Usage

Describes the Bang & Olufsen service tool for diagnosis and data management.

Driver Unit Replacement Procedure

Outlines replacing driver units, including EEPROM data transfer.

EEPROM, Chassis, and Cleaning Procedures

EEPROM Replacement and Data Transfer

Details EEPROM replacement, data transfer, and ABC calibration.

Electronic Chassis Replacement

Describes replacing the electronic chassis, including moving the EEPROM.

Loudspeaker Cleaning Instructions

Provides instructions for cleaning the loudspeaker surfaces safely and effectively.

Replacing the Cloth Frame

Cloth Frame Replacement Steps

Step-by-step visual guide for replacing the cloth frame on BeoLab 5.

Preparing for Service - Service Position

BeoLab 5 Service Position Setup

Illustrates the steps to place the BeoLab 5 into a service-ready position.

Main Chassis Replacement

Main Chassis Removal and Replacement

Detailed instructions for removing and replacing the main electronic chassis.

Mounting the New Main Chassis

Guides on how to correctly mount the new main chassis after replacement.

Main Chassis Mounting Details

Final Main Chassis Mounting Steps

Continues main chassis mounting, including specific fuse changes for US/JPN models.

Woofer Replacement - 165mm

165mm Woofer Replacement Steps

Step-by-step guide for replacing the 165mm woofer unit.

Woofer Replacement - 381mm

381mm Woofer Replacement Steps

Detailed instructions for removing and replacing the 381mm woofer unit.

Foot Replacement Procedure

BeoLab 5 Foot Replacement Steps

Visual guide on how to replace the foot of the BeoLab 5 speaker.

Transformer Replacement

Transformer Replacement Steps

Step-by-step procedure for replacing the main transformer unit.

Microphone Replacement

Microphone Replacement Steps

Illustrates the process for replacing the microphone unit in the BeoLab 5.

Loudspeaker Cabinet Replacement

Cabinet Replacement Steps

Instructions for replacing the main loudspeaker cabinet, referencing other procedures.

Topplate Replacement

Topplate Replacement Steps

Visual guide for removing and replacing the top plate of the BeoLab 5.

Lens Dismantling for Tweeter

Tweeter Lens Dismantling Steps

Step-by-step guide for dismantling the lens assembly for the tweeter.

Tweeter Replacement

19mm Tweeter Replacement Steps

Detailed instructions for replacing the 19mm tweeter unit.

Tweeter Remounting Procedure

Guides on how to correctly remount the tweeter after replacement.

Tweeter Aluminiumplate Replacement

Tweeter Aluminiumplate Replacement Steps

Instructions for replacing the aluminium plate associated with the tweeter.

Midrange Replacement

76mm Midrange Replacement Steps

Step-by-step guide for replacing the 76mm midrange unit.

Midrange Remounting Procedure

Guides on how to correctly remount the midrange after replacement.

Midrange Aluminiumplate Replacement

Midrange Aluminiumplate Replacement Steps

Instructions for replacing the aluminium plate associated with the midrange.

Topcover Replacement

Topcover Replacement Steps

Procedure for replacing the top cover of the BeoLab 5.

Insulation Testing Procedures

Service Center Insulation Test

Details the insulation testing procedure for BeoLab 5 at a service center.

Customer Insulation Test Method

Describes the insulation testing method for when the unit is with the customer.

Safety Note for Insulation Testing

Warns against skin contact with electrical parts during the insulation test.

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