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CMS4540F/W
LG CMS4540F/W Service Manual
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3-33
3-34
23P
10P
SP
K T
ER
MI
N
A
L
TUNER
MODULE
1C
D
M
D
MA
I
N +
C
D
19P
US
B
ஂ
2E
A
ஃ
+F
R
O
N
T
SM
PS
15P
AU
X
JA
C
K
1.
[
T
o
t
a
l
C
NT
:
6ea
]
1
. F
F
C
Cabl
e
ྙ
MAI
N
↔
F
R
ON
T
:
1
EA
ྚ
MAI
N
↔
MD:
2
EA
ྛ
MAI
N
↔
B
T
module
:
1
EA
YU
G
o
G
z
ྙ
SM
PS
↔
M
A
I
N : 1E
A
ĸ
MAI
N
↔
U
S
B
:
1
E
A
Power
cord
8P
: H
a
rn
es
s
:
FFC
BT
WIRING DIAGRAM
51
53
Table of Contents
Section 1 Summary
3
Table of Contents
3
Servicing Precautions
4
Esd Precautions
6
Hidden Key Mode
7
Service Information for Eeprom
8
Program Download & Update Guide
9
Mcs Program
9
Eq Program
10
Specifications
11
Section 2 Cabinet & Main Chassis
12
Cabinet and Main Frame Section (Cm4540)
14
Exploded Views
14
Mechanism Deck Section (Dp17Tm3)
15
Packing Accessory Section
16
Speaker Section
17
Section 3 Electrical
20
One Point Repair Guide
21
Power
21
Booting When Power on the Set
23
Vfd Is Not Displayed When Power on the Set
24
Operation of MD
26
Sound
31
Audio Electrical Troubleshooting Guide
36
Power (Smps)
36
Ic504(M24C16) Check
39
Mcs Part Check
39
Fld Display Check
40
Pwm Modulation Check
41
Power Amp Part Check
43
Tuner / aux Function Check
44
Tuner Function Check
45
CD Function
46
Cdp Electrical Troubleshooting Guide
46
Double Usb Function
47
Sdram
48
Servo
48
Waveforms of Major Check Point
48
Audio Path
49
Usb
50
Wiring Diagram
52
Block Diagrams
53
System Block Diagram
53
Smps Block Diagram
54
Audio Path Block Diagram
55
Power Diagram
56
Circuit Diagrams
57
Smps Circuit Diagram
57
Main - Dsp Circuit Diagram
58
Main - Servo Circuit Diagram
59
Main - Adc/ Pwm Circuit Diagram
60
Main - Amp Circuit Diagram
61
Front Circuit Diagram
62
Circuit Voltage Chart
63
Ics
63
Capacitors
64
Printed Circuit Board Diagrams
65
Smps P.C.board
65
Main P.C.board
66
Front P.C.board
67
Other manuals for LG CMS4540F/W
Owner's Manual
32 pages
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LG CMS4540F/W Specifications
General
Brand
LG
Model
CMS4540F/W
Category
Stereo System
Language
English
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