LG 15EL9500 Service Manual page 21

+3.3V
R701
100
001:AA9 AMP_RST
C707
1000pF
50V
R703
0
002:V8 AUDIO_MASTER_CLK
+1.8V_AMP
+1.8V_AMP
C709
0.1uF
L701
C708
1000pF
L700
50V
C706
R702
100pF
3.3K
50V
C700 C702 OPT C705
10uF 0.1uF
0.1uF
10V C704
16V
10uF 16V
OPT
6.3V
R706 100
002:V8 MS_LRCH
R704 100
002:V8 MS_LRCK
R705 100
002:V8 MS_SCK
R707 100
001:L3;004:Y11 SDA1
R708 100
001:L3;004:Y11 SCL1
MCLK SDATA WCK BCK TP is necessory
Monitor0_1_2 TP is necessory
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
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+24V_AMP
OPT
R714
3.3
C733
OPT
C729
0.01uF
C725 C727 10uF
50V
0.1uF 0.1uF
35V
50V 50V
C715
22000pF
C724
50V
22000pF
50V
C726
1uF
25V
BST1A NC C728
1 42
C712
25V 1uF
VDR1A VDR2A C731
41
2
1uF 25V 22000pF
RESET 40 BST2A
3
50V
AD PGND2A_2
4 39
DVSS_1 38 PGND2A_1
5
VSS_IO OUT2A_2
6 IC700 37
CLK_I OUT2A_1
7 36
VDD_IO 35 PVDD2A_2
8
EAN60664001
DGND_PLL PVDD2A_1
9 34
AGND_PLL PVDD2B_2
10 33
LFM PVDD2B_1
11 NTP-3100L 32
AVDD_PLL OUT2B_2
12 31
DVDD_PLL OUT2B_1
13 30
TEST0 PGND2B_2
14 29
+24V_AMP
+1.8V_AMP
C711 C723
1uF
OPT 10uF C714
25V C730
0.1uF
10V
16V
22000pF
50V
OPT OPT
C722 R711
33pF POWER_DET
50V
0
R710
0
C710 C713
33pF 33pF R709
33K OPT
50V 50V
RS-232C
C716 0.33uF
IC701
MAX3232CDR
C736
C1+ VCC
1 16 0.1uF
16V
V+ GND
2 15
C1- DOUT1
3 14
C2+ RIN1
4 13
C2- ROUT1
5 12
V- DIN1
6 11
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
For protect Peak noise
L704
AD-8770
D700
EAP60684501
1N4148W R718
2S 2F
100V
5.6 R728
C747
OPT
0.1uF
4.7K
C737 50V
390pF
50V 1S 1F C745
0.47uF
50V
C738
C748
390pF
D701 0.1uF R729
50V
50V
1N4148W
R719 4.7K
100V
OPT 5.6
L705
D702
R720
1N4148W
AD-8770
100V 5.6
OPT C746 C749 R730
EAP60684501
0.47uF
C739
2S 2F 50V 0.1uF 4.7K
390pF
50V
50V
1S 1F
C740
390pF
D703
50V C750 R731
1N4148W
R721 0.1uF 4.7K
100V
50V
OPT 5.6
C734 C735 C741
10uF
0.1uF 0.1uF
35V
50V 50V
+3.3V_ST
R717
10K
C
R726
B
Q700
AMP_MUTE
2SC3052
10K
E 002:C25
+5V_ST
L703
BLM18PG121SN1D
DBG_RX
DBG_TX
RxD
D704
ADUC30S03010L
30V OPT
TxD
R713
100
R712 50V
50V
100
220pF
220pF
C743 C744
D705
ADUC30S03010L
30V OPT
SPK_L+ 007:AA18
C752
0.01uF
50V
R732
3.3
SPEAKER_L
007:AG19 SPK_R-
R733
3.3
007:AG22 SPK_R+
C753
0.01uF
50V
SPK_L- 007:AA18 007:AG24 SPK_L-
007:AG26 SPK_L+
SPK_R+ 007:AA17
C754
0.01uF
50V
R734
SPEAKER_R
3.3
R735
3.3
C755
0.01uF
50V
SPK_R- 007:AA17
RF_IN&DC POWER
+24V
JK800
KCN-ET-2-0104
RF_IN
RF_IN
1
DC_GND
2
JP31
DC_POWER
3
JP32
RF_SHIELD
C880
4 POWER_ON
0.047uF
5
SHIELD
P700
KJA-UB-0-0020
1
2
3
4
5
6
USB
Serial Port
P701
SMW200-04
1
2
3
4
C760
C761 R740
0.1uF
2.2uF 22K
50V
50V
S
+24V_AMP
G
R742
L702
27K Q701
CPI2520NHL3R3ME
D
AO3407A
C
R743
10K
B
Q702
C718
C721
C762
10uF 0.01uF
E
0.01uF 50V
35V
50V
AO3407A Vgs : 10.8V
OLED 09.08.31
AUDIO 6 9
LGE Internal Use Only