LG 22LT360C Service Manual page 36

RJP
+12V/+15V
RJP
L1800
BLM18PG121SN1D
R1800
10K
RJP
RJP
JK1800
KRJV9768-1001-024
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
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.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Q1800
AO3407A RJP
C1801 RJP
C1803
C1800
R1836 1uF
2 . 2 u F 22uF R1802
1K
25V
RJP G 16V 10K
16V RJP_PROTECTION
OPT
OPT
RJP
R1801
Q1802
10K
AO3407A RJP_PROTECTION
RJP_PROTECTION
R1833
G RJP_PROTECTION
5.1K
100K
R1835
RJP_PROTECTION
R1837 0
R1834
RJP_PROTECTION
5.1K
RJP_NORMAL
RJP
R1856 0 R1806 510
R1804 510 RJP
RJP
R1805 510
R1807 510 RJP
R1854 510 RJP
EXT_SPEAKER_AMP
018:AL13 EXT_SPK_R-
EXT_SPK
R1814
1K
EXT_AMP_R_IN
017:AJ21
EXT_AMP_L_IN
017:AJ24
018:AL12 EXT_SPK_L-
RJP_CTRL0
RJP_CTRL1
RJP_CTRL2
RJP_CTRL3
RJP_CTRL4
+5V_SUB_AMP
C1835 C1836
22uF 0 . 1 u F
16V
EXT_SPK
EXT_SPK
EXT_SPK
IC1800
TPA6011A4PWPRG4
PGND_1 ROUT+
1 24
ROUT- SE/BTL
EXT_SPK
2 23
R1813
1K
EXT_SPK
PVDD_1 HP/LINE
3 22
R1846 EXT_SPK
0 R1849
RHPIN VOLUME 3.3K
4 21
RLINEIN SEDIFF
5 20
RIN SEMAX
6 19
VDD AGND
7 18
LIN BYPASS
8 17
EXT_SPK
C1837
LLINEIN FADE
1uF
9 16
25V EXT_SPK
R1850
LHPIN SHUTDOWN
100
10 15
R1851
PVDD_2 LOUT+
11 14 10K
EXT_SPK
EXT_SPK_L+
LOUT- PGND_2
018:AL11
12 13
OPT
100
R1803
SPEAKER OUT JACK
JK1801
PEJ029-02
G_SPRING
8
E_SPRING
3
R_SPRING
4
T_SPRING
5
EXT_SPK_R+ B_TERMINAL
7
C1812
018:AL12
39pF
T_TERMINAL
6 OPT
+3.5V_ST
4.7K
R1852
EXT_SPK
EXT_SPK
C 100
R1853
B
SUB_AMP_MUTE
Q1805
E
MMBT3904(NXP)
EXT_SPK
GP3_S7LR
SIDE_JACK
L1802 EXT_SPK
EXT_SPK_R-
018:N11
L1803 EXT_SPK
EXT_SPK_R+
018:AA11
L1804 EXT_SPK
EXT_SPK_L-
018:N6
L1805 EXT_SPK
EXT_SPK_L+
018:W6
C1813
C1810 C1811
39pF
39pF 39pF
OPT
OPT OPT
+3.3V_Normal
OPT
R1827
51K
EXT_SPK
R1828 100
EXT_SPK_DET
EXT_SPK
R1808
4.7K
20110324
18
LGE Internal Use Only