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MBD-K203Q
LG MBD-K203Q User Manual
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MODEL :
MBD-K203Q (FBS203V)
SER
VICE MANU
AL
P/NO :
AFN542679853
MARCH, 2008
KARA
OKE MINI
Hi-Fi SYSTEM
SER
VICE MANU
AL
CA
UTION
BEFORE SER
VICING THE UNIT
, READ
THE “SAFETY PRECA
UTIONS”
IN
THIS MANU
AL.
MODEL :
MBD-K203Q (FBS203V)
W
ebsite http://biz.lgser
vice.com
Inter
nal Use Only
2
Table of Contents
Section 1. General
3
Notes Regarding Handling of the Pick-Up
3
Servicing Precautions
3
Notes Regarding Compact Disc Player Repairs
4
Safety Precautions
5
Specifications
12
Section 2. Exploded Views
14
Cabinet and Main Frame Section
14
Deck Mechanism Exploded View
15
Speaker Exploded View
16
Packing Accessory View
17
Section 3. Electrical Part
18
Micom Part Check I
18
Fld Display Check
21
Touchpad Check
22
Pwm Modulation Part Check
22
Power Amp Part Check
24
Power Check Guide
28
Test & Debug Flow
29
Waveforms of Major Check Point
36
When Power On, Reset & Data Etc Waveform
36
At First Action, Focus Signal A,B,C,D
41
Wiring Diagram
42
Block Diagram
43
Smps(Power) Circuit Diagram
44
Micom Circuit Diagram
45
Mpeg Circuit Diagram
46
Servo Circuit Diagram
47
I/O Circuit Diagram
48
Amp Circuit Diagram
49
Scart Circuit Diagram
50
Front Circuit Diagram
51
MIC Circuit Diagram
53
Pin Descriptions
55
Recommended Operating Conditions
57
Electrical Characteristics
57
Pin Configuration
58
Typical System Block Diagram
68
Functional Block Diagram
69
Circuit Voltage Chart
70
Printed Circuit Board Diagrams
72
Smps P.C. Board Diagram
74
Front P.C. Board Diagram
76
MIC P.C. Board Diagram
76
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LG MBD-K203Q Specifications
General
Brand
LG
Model
MBD-K203Q
Category
Stereo System
Language
English
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