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Bang & Olufsen Type 2653 User Manual

Bang & Olufsen Type 2653
76 pages
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rt.
Bang&Olufsen
BeoSound
Century
Typ€ 2651, 2652, 2654, 265/l
SERVICE MANUAL
Circuit Description
3540178 Danish
3540179
English
3540180 German
3540181 Fi€nch
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Bang & Olufsen Type 2653 Specifications

General IconGeneral
TypeStereo System
ModelType 2653
BrandBang & Olufsen
InputsAux
OutputsTape

Summary

Specification Guidelines

Brief Operation Guide

Wiring and Block Diagrams

Wiring of Transformer

Illustrates the wiring connections for the main power transformer.

Block Diagram for Power Supply

Illustrates the functional blocks and signal flow of the power supply system.

Diagram A FM/AM Decoder

Presents the detailed schematic diagram for the FM/AM decoder section.

Tuner Adjustments

CD Player Adjustments and Repair

CD Laser Current Adjustment

Critical procedure for adjusting the laser current of the CD drive mechanism.

CD Test Procedures

Details error messages and checks performed during CD playback in test mode.

Loudspeaker Adjustments

Loudspeaker Bass/Treble Level

Describes how to manually adjust speaker bass and treble levels.

Repair Tips

Checking the Laser Supply

Instructions for checking the laser supply circuit using a green LED simulation.

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