LG 32LD320H Service Manual page 22

+1.8V_AMP
MCLK SDATA WCK BCK TP is necessory
EARPHONE AMP
HP_LOUT
C703
0.22uF
16V
HP_ROUT
+5V_EARPHONE
+5V_EARPHONE
R742
10K
OPT
OPT
R700
10K B
NTP_MUTE
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.
AMP
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
C716
22000pF
50V
R704
100
AMP_RST
C707
1000pF
50V
R740 C713
0 0.1uF BST1A
1
AUDIO_MASTER_CLK 16V
VDR1A THERMAL
2
RESET
+3.3V 3
+1.8V_AMP
AD
4
DVSS_1
5
C709
VSS_IO
0.1uF IC701
6
CLK_I
7
L701
C708
VDD_IO
C705 1000pF 8
R703 EAN60664001
50V
L700 100pF DGND_PLL
0 9
50V
R708 AGND_PLL
10
3.3K
LFM NTP-3100L
11
AVDD_PLL
12
DVDD_PLL
13
TEST0
14
C700 C702 C704 C706
1uF 0.1uF 1uF
0.1uF
10V 16V 10V
16V
+1.8V_AMP
C760 C715
0.1uF
1uF
16V
10V
R722 100
MS_LRCH
R720 100
MS_LRCK
R721 100
MS_SCK
R709 100
SDA_SUB/AMP
R710 100
SCL_SUB/AMP
C712 C714
33pF
33pF
50V
50V
Monitor0_1_2 TP is necessory
IC700
TPA6110A2DGNRG4
C717
0.22uF
R712
16V
BYPASS IN1- 20K
1 8 HP_DET
C701 R711 C718
1uF 47uF 16V
27K
GND VO1
6.3V 2 7
C723 D710
R714
SHUTDOWN VDD 5.6V
1K 0.1uF
3 6 AMOTECH
C719
R702
47uF 16V
20K IN2- VO2
4 5
R715 C722
D711
0.1uF
1K 5.6V
AMOTECH
R706
27K
+5V_EARPHONE
OPT L711
D700
R701
BLM18PG121SN1D
10K ENKMC2838-T112
A1
C
C A2
C711
C710
100uF
Q700 0.1uF
16V 16V
2SC3052
E
R725
D704
12
1N4148W
100V
AMP_VCC
OPT
C741
1000pF
50V
C733 C729 C725
C742
0.1uF
0.1uF 10uF 1000pF
50V 50V 35V 50V
D705
1N4148W
R726
100V 12
OPT
C726
22000pF
50V
C727
0.1uF
16V
C730
NC R727
42 0.1uF
C732
16V D706 12
41 VDR2A
22000pF
1N4148W
57 50V
BST2A
40 100V
OPT
39 PGND2A_2 C743
1000pF
PGND2A_1 50V
38
OUT2A_2
37
OUT2A_1
36 C744
1000pF
PVDD2A_2
35
50V
PVDD2A_1
34
PVDD2B_2 D707
33 R728
1N4148W 12
PVDD2B_1
32
100V
OUT2B_2
31 OPT
OUT2B_1
30
C728 C720
PGND2B_2 0.1uF 0.1uF
29
50V
50V
AMP_VCC
C734 C735
0.1uF 0.1uF
50V 50V
C724
0.1uF
16V
C731
22000pF
50V +5V_ST
C721
0.1uF OPT R724
10K
16V
R718
100
C
R729
10K
B
R717 Q701 NTP_MUTE
33K 2SC3052
OPT
OPT
OPT
E
EXT_SPEAKER_AMP
+3.3V
R707
DJ-S3600LM
10K
JK700
4
C761
22uF
16V 3
2
C762
1
22uF
16V 5
SUBAMP_SD
SUBAMP_MUTE
+5V_ST
STBY_MUTE_TPA
R705
12
L704
DA-8580
C749
EAP38319001
0.1uF
2S 2F 50V
C745
0.47uF
1S 1F 50V
C750
0.1uF
50V
R713
12
R716
12
L705
DA-8580
C751
EAP38319001
0.1uF
2S 2F
50V
C746
0.47uF
50V
1S 1F
C752
0.1uF
R719
50V
12
C736
10uF
35V
AMP_VCC
L712
BLM18PG121SN1D
C768
0.1uF
50V
IC702
TPA3124D2PWPR
R738
10K
PVCCL_1 PGNDL_2
1 24
R751
100 SD PGNDL_1
2 23
RR752 0
PVCCL_2 LOUT
OPT 3 22
C
C769
R739
4.7K B 0.22uF
MUTE BSL
50V
4 21
Q703
R1658
2SC3052
E
100
LIN AVCC_2
EXT_L_AMP 5 20
RIN AVCC_1
EXT_R_AMP 6 19
BYPASS GAIN0
7 18
AGND_1 GAIN1
8 17
AGND_2 BSR
9 16
PVCCR_1 ROUT
C763
10 15
1uF
16V
VCLAMP PGNDR_2
11 14
PVCCR_2 PGNDR_1
C766
12 13
1uF
16V
C767
0.1uF
50V
SPK_L+
C755
0.01uF
50V
R730
R734
4.7K
3.3
SPEAKER_L
R735
3.3
R731
C756
4.7K
0.01uF
50V
SPK_L-
SPK_R+
C757
0.01uF
50V
R732
4.7K
R736
3.3 SPEAKER_R
R737
3.3
R733
4.7K
C758
0.01uF
50V
SPK_R-
P700
WAFER-ANGLE
L706
120-ohm
SPK_L+
4
L707
120-ohm
SPK_L-
3
L709
120-ohm
SPK_R+
2
L708
120-ohm
SPK_R-
1
2A => 5A
C771 C772
0.1uF 22uF
50V 35V
C777
100uF
25V
L713
EXT_OUT_L
DA-8580
C773 C775
EAP38319001 R749
2S 2F 1uF 0.47uF
4.7K
50V 50V
1S 1F
C774 C776
R750
1uF 0.47uF
4.7K
50V 50V
EXT_OUT_R
C778
100uF
25V
R745
10K
R747
10K
OPT
R746
R748
10K
10K
OPT
C770
0.22uF
50V
EAX62121501
2010.03.10
AMP 7
LGE Internal Use Only
12