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BeoLab 12-3
Bang & Olufsen BeoLab 12-3 User Manual
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BeoLab 12-3
T
ype 6232
Service Manual - version 1.0
English
German, French, Italian, Spanish, Dutch, Japanese, Korean and
Simplied Chinese versions are available in the Retail System
This Ser
vice Manual must be retu
rned
with the defective parts/back-up sui
tca
se !
2
Table of Contents
Table of Contents
2
Survey of Modules
3
How to Service
4
Troubleshooting - Fault Flow Chart
7
Description of LED Errors
8
LED Indicator
8
Troubleshooting
8
Error Log
9
Product Information - Usage Data
9
Test - Sound
10
NTC Module Test
11
Speaker Unit Check
11
Fault Flow Chart
12
LED Indicator Is Orange (Constant Lit)
16
LED Indicator Is Flashing Orange
18
Distorted Audio from One or more Speaker(S)
22
Table of Contents
25
Chassis (PCB30, Digital Sound Engine)
26
Information
26
Adjustments
27
Amplifier
27
LED Settings
27
Speaker Driver
27
Software Udpate
28
Replace Tweeter Unit 4.13 Notification
29
Beolab 12-3 in Service Position
30
Replacement of Modules
30
Replace PCB30, Digital Sound Engine
32
Replace PCB04, SMPS
33
Replace PCB35, Icepower Amplifier
34
Replace PCB40, Interconnection
35
Replace PCB47, LED Indicator
36
Replace PCB48, NTC
37
Replace PCB68, Signal Switch
38
Replace Woofer Units
39
Replace Midrange Unit
40
Replace Tweeter Unit
41
Before Assembly Process - Assembly Process - Final Check after Repair
43
Specification Guidelines for Service Use
51
Block Diagram
53
Wiring Diagram
54
Available Parts
57
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Bang & Olufsen BeoLab 12-3 Specifications
General
Brand
Bang & Olufsen
Model
BeoLab 12-3
Category
Speakers
Language
English
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