Read LG 42LT560C / 42LT560E (CHASSIS:LA2AC) Service Manual online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
+12V/+15V
1uF
25V
OPT
C1801
5
.1
V
Z
D
18
03
R
JP
5
.1
V
Z
D
18
02
R
JP
3
.9
K
R
18
11
R
JP
3
.9
K
R
18
12
R
JP
AO3407A
Q1800
RJP
G
D
S
5
.1
V
Z
D
18
04
R
JP
3
.9
K
R
18
09
R
JP
510
R1804
RJP
2.2uF
16V
C1800
RJP
510
R1805
RJP
3
.9
K
R
18
10
R
JP
510
R1806
RJP
5
.1
V
Z
D
18
01
R
JP
510
R1807
RJP
39pF
OPT
C1813
39pF
OPT
C1812
EXT_SPK_R-
3:AF8
EXT_SPK_DET
+3.3V_Normal
51K
R1827
OPT
100
R1828
EXT_SPK
RJP_CTRL0
RJP_CTRL1
RJP_CTRL2
RJP_CTRL3
RJP_CTRL4
510
R1854
RJP
3
.9
K
R
18
55
R
JP
5
.1
V
Z
D
18
05
R
JP
0
R1856
RJP_NORMAL
AO3407ARJP_PROTECTION
Q1802
G
D
S
22uF
16V
C1803
OPT
EXT_AMP_L_IN
002:V11
EXT_SPK_L+
009:X24
SUB_AMP_MUTE
+5V_SUB_AMP
+3.5V_ST
1
u
F
10
V
E
X
T
_S
PK
C
18
34
TPA6011A4PWPRG4
IC1800
EXT_SPK
3
PVDD_1
2
ROUT-
4
RHPIN
1
PGND_1
6
RIN
5
RLINEIN
7
VDD
8
LIN
9
LLINEIN
10
LHPIN
11
PVDD_2
12
LOUT-
13
PGND_2
14
LOUT+
15
SHUTDOWN
16
FADE
17
BYPASS
18
AGND
19
SEMAX
20
SEDIFF
21
VOLUME
22
HP/LINE
23
SE/BTL
24
ROUT+
EXT_SPK_L-
009:X24
22uF
16V
EXT_SPK
C1835
1uF
25V
EXT_SPK
C1837
1
0
0
E
X
T
_S
PK
R
18
47
3.3K
EXT_SPK
R1849
1K
E
X
T
_S
PK
R
18
48
100
EXT_SPK
R1850
4.7K
EXT_SPK
R1852
100
EXT_SPK
R1853
10K
EXT_SPK
R1851
0
EXT_SPK
R1846
1K
E
X
T
_S
PK
R
18
45
0.1uF
EXT_SPK
C1836
BLM18PG121SN1D
L1800
RJP
0
RJP_PROTECTION
R1837
5.1K
RJP_PROTECTION
R1833
5.1K
RJP_PROTECTION
R1834
10K
R1802
RJP
10K
R1801
RJP
10K
R1800
RJP
1K
RJP_PROTECTION
R1836
100K
RJP_PROTECTION
R1835
L1802 EXT_SPK
EXT_AMP_R_IN
002:V11
1
u
F
10
V
E
X
T
_S
PK
C
18
02
100
OPT
R1803
1K
EXT_SPK
R1814
EXT_SPK_R-
009:X24
1K
EXT_SPK
R1813
EXT_SPK_R+
009:X24
PEJ029-02
JK1801
3 E_SPRING
6 T_TERMINAL
7 B_TERMINAL
5 T_SPRING
4 R_SPRING
8 G_SPRING
EXT_SPK
L1803
EXT_SPK_R+
3:AF8
EXT_SPK
L1804
EXT_SPK_L-
3:AF8
EXT_SPK
L1805
EXT_SPK_L+
3:AF8
39pF
OPT
C1811
39pF
OPT
C1810
KRJV9768-1001-024
JK1800
RJP
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
0
.0
1
u
F
C
18
04
R
JP
0
.0
1
u
F
C
18
42
R
JP
0
.0
1
u
F
C
18
05
R
JP
0
.0
1
u
F
C
18
07
R
JP
0
.0
1
u
F
C
18
06
R
JP
MMBT3904(NXP)
EXT_SPK
Q1805
E
B
C
4.7K
EXT_SPK
R1808
SIDE_JACK
20110324
18
GP3_S7LR
RJP
SPEAKER OUT JACK
EXT_SPEAKER_AMP
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