Read LG 26LT670H (CHASSIS:LA2AE) 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
5
.1
V
R
JP
Z
D
18
03
5
.1
V
R
JP
Z
D
18
02
3
.9
K
R
JP
R
18
26
3
.9
K
R
JP
R
18
28
AO3407A RJP
Q1803
G
D
S
5
.1
V
R
JP
Z
D
18
04
3
.9
K
R
JP
R
18
21
510 RJP
R1814
2.2uF
16V RJP
C1802
510 RJP
R1815
3
.9
K
R
JP
R
18
24
510 RJP
R1816
5
.1
V
R
JP
Z
D
18
01
510 RJP
R1817
RJP_CTRL0
RJP_CTRL1
RJP_CTRL2
RJP_CTRL3
RJP_CTRL4
510 RJP
R1818
3
.9
K
R
JP
R
18
20
5
.1
V
R
JP
Z
D
18
00
0
RJP_NORMAL
R1811
AO3407ARJP_PROTECTION
Q1802
G
D
S
22uF
16V
OPT
C1811
BLM18PG121SN1D
RJP
L1800
0
RJP_PROTECTION
R1810
5.1K
RJP_PROTECTION
R1807
5.1K
RJP_PROTECTION
R1804
10K
RJP
R1819
10K
RJP
R1801
10K
RJP
R1800
1K
RJP_PROTECTION
R1808
100K
RJP_PROTECTION
R1813
3
9
0
R
18
06
4.7K
R1836
R1836
EXT_SPK
002:T10
CB3216PA501E
L1801
OPT
R1822
OPT
R1823
SUB_MUTE
001:AC13;018:Q12
OPT
R1831
4
.7
K
R
18
37
100
R1833
3.3K
R1830
2SA1530A-T112-1R
Q1801
E
B
C
EXT_SPK_L+
018:AA8
15pF
50V
C1800
1
u
F
10
V
C
18
07
10uF
16V
C1812
1K
R
18
12
EXT_SPK_L-
018:AA9
9.1K
R1835
TPA6011A4PWPRG4
IC1800
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+
0
R1825
6
.8
K
O
PT
R
18
32
+5V_Normal
+5V_Normal
O
PT
R
18
34
10
K
R
18
02
1
0
0
R
18
27
3K
R
18
03
1K
R
18
29
SUB_MUTE
001:AC13;018:T6
1K
R
18
05
PEJ027-01
EXT_SPK_Sn
JK1801
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
1uF
10V
OPT
C1816
0
R1839
0
R1838
PEJ027-04
EXT_SPK_Au
JK1801-*1
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
1uF
10V
OPT
C1815
EXT_SPK_L-
018:H7
EXT_SPK_L+
018:N7
MMBT3904(NXP)
Q1804
E
B
C
0
.0
1
u
F
R
JP
C
18
10
0
.0
1
u
F
R
JP
C
18
06
0
.0
1
u
F
R
JP
C
18
04
0
.0
1
u
F
R
JP
C
18
09
0
.0
1
u
F
R
JP
C
18
08
0.1uF
OPT
C1803
0.1uF
C1813
1uF
25V
OPT
C1805
1
0
u
F
6
.3
V
C
18
01
1.6K
R1809
MMBT3904(NXP)
Q1800
E
B
C
MJ-657PT-8-SD
RJP
JK1800
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
1uF
50V
C1814
SIDE_JACK
20111008
18
37LT670H-UA
RJP
EXTERNAL SPEAKER OUT
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