DOWNLOAD LG 42LD455B / 42LD455H (CHASSIS:LC01W) Service Manual ↓ Size: 4.65 MB | Pages: 42 in PDF or view online for FREE

Model
42LD455B 42LD455H (CHASSIS:LC01W)
Pages
42
Size
4.65 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42ld455b-42ld455h-chassis-lc01w.pdf
Date
PREV: LG 42LD450C / 42LD452C (CHASSIS:LA01Z) Service Manual

LG 42LD455B / 42LD455H (CHASSIS:LC01W) Service Manual ▷ View online

- 13 -
BLOCK DIAGRAM
1. INPUT
Sa
tu
rn
7
 
MSD301
(I
C
101)
Sa
tu
rn
7
 
Sa
tu
rn
7
 
MSD
301
MSD
301
(IC1
0
(IC1
0
1
1
)
)
Opt
ion:
S
7
S7
-T
c
o
n
NI
M
 T
U
NER
TU3
701
(Optio
n: T
U
370
2
HNIM
 tuner
)
NI
M
 T
U
NER
TU3
701
(Optio
n: T
U
370
2
HNIM
 tuner
)
3
: RF
_SWITCH
_CTL
, F
E
_B
OOSTER
_CT
L,
 Tun
er
 Re
s
e
t
2
: TU_CVBS/
SI
F
(A
T
V)
Inn
er
 De
mo
d:
L
G
3911
4
: T
U
_
S
CL
/SD
A
, 
 De
mo
d_S
C
L
 /S
D
A
1
1
: T
S
_S
y
n
c
/d
a
ta
[0
..
7
]Ö
(DTV)
(J
K1603
)
7:Comp_DE
T,
Y
+/-,Pb+/-,Pr+/-
2: 
Co
mp
 _R/L
 _I
N
J
K
1604
2:CVB
S
_DET,C
VBS
 IN
2: 
C
V
BS
 _R/L
 _I
N
EE
PRO
M
(2
K,
 I
C
400
)
EE
PRO
M
(2
K,
 I
C
400
)
(P
1104
)
(J
K1102)
9
: R+
/-
,G+
/-, B
+
/-,H
/V 
s
yn
c, 
D
ET, IS
P
_
RX
D
/T
X
D
2: RGB_DDC_SC
L
/
S
D
A
2:
 P
C
 _
R
/L
 _I
N
(J
K
1101)
MA
X3232
(I
C
1101
)
MA
X3232
MA
X3232
(I
C
1101
(I
C
1101
)
)
2 :
 S
IDE
_U
SB
_D
M
/D
P
1 : 5V
_U
SB
2
 : USB
_CTL
, U
S
B_
OCD
M
IC
2009
YM6
-TR
(I
C
2301
)
M
IC
2009
Y
M
6
M
IC
2009
Y
M
6
-
-
TR
TR
(IC
(IC
23
23
01
)
01
)
RGB In
PC A
udi
o
AV
1
COMP
1
USB
(Sid
e)
(P2301)
SPD
IF (Di
g
ital)
J
K
103
1 : S
P
D
IF
_
O
U
T
EXT SPK
2:
 E
X
T
_
O
U
T
_
L
/R
(J
K802
)
8:HDMI1
_D
0+/-,
D1+/-,D
2+/-,CK+
/-
2: DDC
_SCL
1
/S
D
A
1
EE
PRO
M
(2K
,IC
8
0
1
)
EE
PRO
M
(2K
,IC
8
0
1
)
HDMI1
In
(J
K803
)
2: DDC
_SCL
4
/S
D
A
4
EE
PRO
M
(2K
,IC
8
0
4
)
EE
PRO
M
(2K
,IC
8
0
4)
HDMI4
In
8:HDMI4
_D
0+/-,
D1+/-,D
2+/-,CK+
/-
2: S
7
_RXD/TXD
R
S
232
J
K
3302
2:S
id
e
A
V
_DET/
CVBS IN
2: 
C
V
BS
 _R/L
 _I
N
AV
2
(Sid
e)
T
P
A
3124D2
PWP
R
(IC1
0)
T
P
A
3124D2
PWP
R
T
P
A
3124D2
PWP
R
(IC1
0)
(IC1
0)
HP_
L
/R
OU
T
- 14 -
2. OUTPUT
Sa
tu
rn
7
 
MSD301
(I
C
101)
Sa
tu
rn
7
 
Sa
tu
rn
7
 
MSD
301
MSD
301
(IC1
0
(IC1
0
1
1
)
)
EEP
ROM
(512K, IC1
04)
EEP
ROM
EEP
ROM
(512K, IC1
04)
(512K, IC1
04)
2
 : I
2
C_
SCL/
SDA
HDCP
 EEPRO
M
(8K, IC103)
HDCP
 EEPRO
M
HDCP
 EEPRO
M
(8K, IC103)
(8K, IC103)
N
A
ND FL
A
S
H
(2G,
 IC102)
N
A
ND FL
A
S
H
N
A
ND FL
A
S
H
(2G,
 IC102)
(2G,
 IC102)
14 :
 P
C
M
_
A
[0
:7
]
DD
R3
(1G,
 IC1202)
DD
R
DD
R
3
3
(1G
(1G
, I
C
, I
C
1202
1202
)
)
DD
R3
(2G,
 IC1201)
DD
R
DD
R
3
3
(2G,
 IC
(2G,
 IC
1201
1201
)
)
4
5
 : DDR_D[
0:
1
5
],DDR
_
A
[0
:1
3] 
Ö
O
p
ti
o
n
:512m
,1G,4G
,8G
Opt
ion:
S
7
S7
-T
c
o
n
A
d
d
ress
:10101
--
-
A
d
d
ress
: A
0
(10100000
)
S
P
I Flash
(8
M
 I
C
14
01
)
S
P
I Flash
S
P
I Flash
(
(
8
M
 I
C
14
01
8
M
 I
C
14
01
)
)
5
: SCK,SDI
,S
DO,/CS,
/WP
2
: NEC_EEPRO
M
_SCL/
SDA
2: LED
_R/B
3: K
E
Y1/2 ,IR
EEPROM
(16K, IC1001)
NE
C_M
ic
o
m
IC10
02
NE
C_M
ic
o
m
NE
C_M
ic
o
m
IC10
02
IC10
02
C
o
n
tro
l&
 IR
P2
40
1
C
o
n
tro
l&
 IR
C
o
n
tro
l&
 IR
P2
40
1
P2
40
1
2: NEC_SCL/
SDA
Po
w
e
r B/D
P4
03
Po
w
e
r B/D
Po
w
e
r B/D
P4
03
P4
03
2: INV_
CTL,R
L
_ON
Debu
gger
 
P1
00
1
Debu
gger
 
Debu
gger
 
P1
00
1
P1
00
1
6: NEC_ISP_T
X/
R
XÖ.
1: SOC_ R
eset
2
: NE NE
C
_
R
XD/XD/
T
XDXD
.
4
5
 : DDR_D[
0:
1
5
],DDR
_
A
[0
:1
3] 
Ö
7:N
A
ND
_WEb/
A
LE/CL
E
Ö
LPLP
F
2
A
M
P_S
C
L
/SDA
Spea
k
e
r
A
udi
o A
M
P
N
T
P7100
IC
1501
A
udi
o A
M
P
A
udi
o A
M
P
NTP
7
NTP
7
1
1
00
00
IC
1501
IC
1501
4:
A
U
D
_
LRCH/L
RCK/SCK,
A
M
P
_
Mute
SPK_L
+
/-
+/-
SPK_R
+
/-
+/-
PWMPWM
CCFL LCD 
mod
u
le
FHD
6
0Hz
P703
CCFL LCD 
mod
u
le
CCFL LCD 
mod
u
le
FHD
FHD
60
H
z
60
H
z
P70
P70
3
3
51PI
N
,  Cha
n
nel 
a
&
b
- 15 -
300
200
530
810
400
510
120
500
A4
A2
A10
900
910
800
LV
1
540
521
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by       in the Schematic Diagram and EXPLODED VIEW. 
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. 
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
Page of 42
Display

Click on the first or last page to see other 42LD455B / 42LD455H (CHASSIS:LC01W) service manuals if exist.

RANDOM: