15EL950N-ZA, 15EL9500-ZA (CHASSIS:OD01J) - LG TV Service Manual (repair manual). Page 21

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USB DOWN STREAM
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.
AUDIO/ADAPTER/232C
R719
5.6
0.1uF
C727
50V
OPT
0.1uF
C747
50V
0.1uF
C735
50V
SPK_R+ 007:AA17
POWER_DET
R718
5.6
C731
22000pF
50V
SPK_R- 007:AA17
MS_LRCK
002:V8
+24V_AMP
R720
5.6
0.1uF
C725
50V
R728
4.7K
AMP_MUTE
002:C25
SDA1
001:L3;004:Y11
SPK_L- 007:AA18
0.1uF
C748
50V
R730
4.7K
MS_LRCH
002:V8
SPK_L+
007:AA18
R721
5.6
MS_SCK
002:V8
AUDIO_MASTER_CLK
002:V8
+24V_AMP
0.1uF
C734
50V
C730
22000pF
50V
+1.8V_AMP
C724
22000pF
50V
+1.8V_AMP
0.1uF
C750
50V
0.1uF
C749
50V
AMP_RST
001:AA9
SCL1
001:L3;004:Y11
R731
4.7K
C715
22000pF
50V
R729
4.7K
+1.8V_AMP
SPK_R-
007:AG19
SPK_L-
007:AG24
SPK_L+
007:AG26
SPK_R+
007:AG22
R702
3.3K
R700
0
D700
100V
1N4148W
OPT
D701
100V
1N4148W
OPT
D703
100V
1N4148W
OPT
D702
100V
1N4148W
OPT
+3.3V
Q700
2SC3052
E
B
C
+3.3V_ST
0.1uF
C709
C702
0.1uF
16V
0.1uF
C705
16V
0.1uF
C714
16V
C707
1000pF
50V
C708
1000pF
50V
C713
33pF
50V
C710
33pF
50V
R726
10K
R717
10K
C711
10uF
10V
OPT
R705
100
R704
100
R706
100
R711
0
OPT
R709
33K
OPT
R703
0
R701
100
R707
100
R708
100
C745
0.47uF
50V
C746
0.47uF
50V
C706
100pF
50V
0.01uF
C753
50V
0.01uF
C755
50V
0.01uF
C752
50V
0.01uF
C754
50V
R734
3.3
R735
3.3
R733
3.3
R732
3.3
C712
1uF
25V
C723
1uF
25V
C726
1uF
25V
C728
1uF
25V
C700
10uF
10V
OPT
R710
0
0.01uF
C733
50V
R714
3.3
OPT
L700
MLB-201209-0120P-N2
L701
MLB-201209-0120P-N2
C722
33pF
50V
OPT
C704
10uF
6.3V
OPT
C738
390pF
50V
C737
390pF
50V
C739
390pF
50V
C740
390pF
50V
IC700
NTP-3100L
EAN60664001
1
BST1A
2
VDR1A
3
RESET
4
AD
5
DVSS_1
6
VSS_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LFM
12
AVDD_PLL
13
DVDD_PLL
14
TEST0
15
DVSS_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR_0
23
MONITOR_1
24
MONITOR_2
25
FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
L705
AD-8770
EAP60684501
2S
1S
1F
2F
L704
AD-8770
EAP60684501
2S
1S
1F
2F
DBG_RX
D704
30V OPT
ADUC30S03010L
C743
220pF
50V
C716
0.33uF
C744
220pF
50V
IC701
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
+5V_ST
DBG_TX
R712
100
L703
BLM18PG121SN1D
R713
100
D705
30V OPT
ADUC30S03010L
C736
0.1uF
16V
C741
10uF
35V
C729
10uF
35V
P701
SMW200-04
1
2
3
4
C880
0.047uF
JP32
+24V
+24V_AMP
RF_IN
JP31
Q702
E
B
C
C762
0.01uF
50V
R740
22K
R742
27K
C761
2.2uF
50V
Q701
AO3407A
G
D
S
POWER_ON
C760
0.1uF
50V
P700
KJA-UB-0-0020
1
2
3
4
5
6
C717
0.047uF
25V
C
7
2
0
0
.
3
3
u
F
1
6
V
C719
0.33uF
16V
R716
6.2K
1/10W
5%
R715
6.2K
1/10W
5%
R743
10K
C721
0.01uF
50V
C718
10uF
35V
L702
CPI2520NHL3R3ME
JK800
KCN-ET-2-0104
1
RF_IN
2
DC_GND
3
DC_POWER
5
SHIELD
4
RF_SHIELD
SPEAKER_L
SPEAKER_R
AUDIO
 6     9
OLED
09.08.31
For protect Peak noise
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
TxD
RxD
USB
RS-232C
Serial Port
RF_IN&DC POWER
AO3407A Vgs : 10.8V
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