LG 43LF540 -DB Series, Руководство по обслуживанию

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Only for training and service purposes
BLOCK DIAGRAM
1. Lownd 60Hz Block Diagram(M1A, 10W@6Ω)
(P
1801 o
r P
1101)
30P H D L VD S w afer
51P F HD LVD S w afer
(P
1800 o
r P
1100)
Ser
ial
F
lash
(8
M
bi
t)
IC
1300
SP
I_
SCK/
SDI
/S
DO
/CS
Sy
st
em
EEPR
O
M
(256K
bi
t)
IC
104
I2
C_
SCL/
SDA
R
XA0
+/
-~R
XA
4+
/-,
RX
ACK+
/-
RX
B0
+/
-~R
XB
4+
/-,
RX
BCK+
/-
SPK
_R
SPK
_L
AMP
_S
CL/
SDA
AUD_
MA
STE
R_
CLK,
AUD_
LRCH,
AUD_
LRCK,
A
UD_
SCK
TA
S5733
(IC
5600)
C
on
ne
ct
or
(P
4600)
KE
Y1
/2
, LE
D_
R,
IR
AV
DD5
V_
MHL,
MHL_
O
CP
X-
tal
24M
CO
MP
2_
L/
R_
IN
CO
MP
2_
Y+
/A
V_
CV
BS
_I
N,
CO
MP
2_
Pb+
/P
r+
CK+
/-,
D0
+/
-, D1
+/
-, D2
+/
-_
HDMI
2
DDC_
SCL/
SDA
_2
, HDMI
_CE
C
RE
AR
HDMI
1
(J
K
800
)
F-
SCA
RT
(J
K
280
1)
OR AV
2
SP
DI
F_
O
UT
SPD
IF
(Op
tic)
(J
K
100
1)
SI
D
E
U
SB
(JK
700
)
HDMI
2(
MHL)
(J
K
801
)
CK+
/-,
D0
+/
-, D1
+/
-, D2
+/
-,_
HDMI
4,
DDC_
SCL/
SDA
_4
, HDMI
_CE
C
SI
DE
_US
B_
DM/
DP
US
B1
_O
CP
/CTL
TP
S65282
+5V
_U
SB
MHL_
CD_
SE
NS
E
HP
_L/
RO
UT,
S
IDE
_HP
_MUTE
He
adphone (JK
300
0)
CI Slot(P1900)
NA
ND
FLA
SH
IC
10
2 (
1G
bi
t)
H
27U
1G
8F
2C
TR
-BC
PC
M
_A
[0
:7
]
TC
74L
C
X244F
T
B
uffe
r
TS
_D
AT
A[
0:
7]
PCM_
DA
TA
[0
:7
]
EPH
Y
LAN
(J
K
210
0)
C
OM
PON
EN
T
(JK
280
2)
5V
_HDMI
_4
PC
M
_A
[8
:1
4]
SC1
/A
V2
_CV
BS
_I
N,
DTV
/MNT_
O
UT,
DTV
/MNT_
L/
R_
O
UT
SC1
_R+
/G
+/
B+
, CO
M1
_Y
+/
Pb+
/P
r+
TU_
SCL /
S
DA
F/
NI
M
DE
MO
D_
SCL/
SDA
IF_
N/
P
IF_
AG
C
FE
_T
S_D
AT
A[
0:
7]
LNB_
TX
LNB_
O
UT,
DE
MO
D_
RE
SE
T
M
ain
S
OC
M
1A
-256M
B
(IC
101)
AV
2_
L/
R_
IN
AV
2_
C
VB
S_I
N
DDR3
S
DRAM
(1
G
bi
t)
IC
1201
B
-MDQ
L[
0-
7]
, B
-MDQ
U[
0-
7]
,…
O
nl
y f
or
M1
A-
12
8M
B