Bang & Olufsen beosound 1 2581 User Manual

BeoSound 1
Type 2581, 2582, 2583, 2584, 2585, 2586, 2587, 2590
On-site service guide
English, German, French, Italian, Spanish, Danish, Dutch, Japanese
This On-site service guide must be
returned with the defective parts/
back-up suitcase !

Bang & Olufsen beosound 1 2581 Specifications

General

Brand	Bang & Olufsen
Model	beosound 1 2581
Category	Portable Speakers
Language	English

Summary

#1 Servicing BeoSound 1 - Troubleshooting and Post-Repair

Using the Fault Flow Chart

Module Replacement and Verification

Post-Repair Procedures

#2 Fault flow chart - System Functionality

IR and Keyboard Troubleshooting

Diagnosing issues with IR remote and keyboard inputs.

Display and Standby Light Issues

Troubleshooting problems with the display and standby indicator.

#2 Fault flow chart - Sound and Antenna

Sound Output Problems

Diagnosing complete or partial audio loss in speakers.

Antenna Control Issues

Troubleshooting problems related to antenna up/down function.

#2 Fault flow chart - Radio and CD

Radio Reception Faults

Diagnosing noise or other faults in radio reception.

CD Loading and Playback Issues

Troubleshooting problems with CD loading and playback.

#3 Testmode

Test Mode Entry and Operation

How to enter and use the BeoSound 1 test mode.

Test Mode Functions Overview

Description of available test modes (TM23, TM27, TM43, TM44).

#4 Theft protection

Handling Activated Theft Protection

Procedures for servicing when theft protection is active.

PCB Replacement Order for Theft Protection

Correct module replacement sequence due to anti-theft measures.

Managing Theft Protection Features

Instructions for deactivating, activating, and entering pin-codes.

#5 Adjustment after repair of BeoSound 1

PCB1 (Main PCB) Adjustment

PCB2 (SMPS) Adjustment

Speaker Unit Adjustment

Replacement of PCB1 (Main PCB)

Main PCB Replacement Steps

Replacement of PCB2 (SMPS) and PCB3 (Display & IR receiver)

SMPS and Display/IR Receiver Replacement

Replacement of Keyboard Left/Right

Keyboard Module Replacement

Replacement of PCB4 (Active FM antenna)

Active FM Antenna Board Replacement

Replacement of Antenna-loader and speaker-units

Antenna-loader and Speaker Unit Replacement

Replacement of CD-loader and PCB90 (CD-Mechanism)

CD-Loader and CD-Mechanism Replacement