LG 32LD320 Service Manual page 20

+1.8V_AMP
MCLK SDATA WCK BCK TP is necessory
EARPHONE AMP
+5V_EARPHONE
D708
ENKMC2838-T112
C
A1
1:AA19;R15;9:AI24;9:AI25 SB_MUTE
R741
C B
A2
10K
SIDE_HP_MUTE
1:AJ19
E
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
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Only for training and service purposes
C716
22000pF
50V
R704
100
1:AA21 AMP_RST
C707
1000pF
50V R740 C713
0 0.1uF
BST1A
1
2:X21 AUDIO_MASTER_CLK 16V
VDR1A
2
RESET
3
+3.3V
+1.8V_AMP
AD
4
DVSS_1
5
C709
VSS_IO
0.1uF
6
CLK_I
7
L701
C708 VDD_IO
8
C705 1000pF
L700 50V DGND_PLL
9
100pF
R708 AGND_PLL
50V 10
3.3K LFM
11
AVDD_PLL
12
DVDD_PLL
13
TEST0
14
C700 C702
1uF 0.1uF C704 C706
10V 1uF
16V 0.1uF
10V
16V
+1.8V_AMP
C760 C715
0.1uF
1uF
16V
10V
R722 100
2:X21 MS_LRCH
R720 100
2:X21 MS_LRCK
R721 100
2:X21 MS_SCK
R709 100
1:L22;11:AG10 SDA_SUB/AMP
R710 100
1:L22;11:AG9
SCL_SUB/AMP
C712 C714
33pF
33pF
50V
50V
Monitor0_1_2 TP is necessory
HP_LOUT IC700
TPA6110A2DGNRG4
2:X19
+5V_EARPHONE
BYPASS IN1-
1 8
C701
R701
1uF
10K GND VO1
6.3V 2 7
SHUTDOWN VDD
3 6
C703
HP_ROUT 0.22uF R702
16V IN2- VO2
20K
4 5
2:X19
R706
27K
R742
10K
C
R700
B
Q700
2SC3052
10K
E
Q705
2SC3052
D704
1N4148W
100V
AMP_VCC
OPT
C733 C729
C725
0.1uF
0.1uF
10uF
50V 50V
35V
D705
1N4148W
100V
OPT
C726
22000pF
50V
C727
0.1uF
16V
C730
NC
42 0.1uF
C732
16V D706
41 VDR2A
22000pF
1N4148W
50V
BST2A
40 100V
PGND2A_2 OPT
39
PGND2A_1
38
OUT2A_2
37
IC701
OUT2A_1
36
PVDD2A_2
35
EAN60664001
PVDD2A_1
34
PVDD2B_2 D707
33
1N4148W
PVDD2B_1
NTP-3100L 32
100V
OUT2B_2 OPT
31
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
C731
16V
22000pF
50V
+3.3V_ST
C721
0.1uF
R724
16V
10K
R718 100
D709
ENKMC2838-T112
C
A1
R729
B C
Q701
R717
2SC3052 A2
33K OPT 10K
E
R711 C717
R712
0.22uF
27K
20K
16V
C718
47uF
16V
C723 D710
R714
0.1uF 5.6V
C719 1K AMOTECH
47uF
C710
16V
0.1uF
16V
C722
R715
D711
0.1uF
1K 5.6V
AMOTECH
+5V_EARPHONE
D700
C711
ENKMC2838-T112
A1
100uF
16V
C
A2
+5V_GENERAL
L710
BLM18PG121SN1D
OPT
L711
+5V_ST
BLM18PG121SN1D
R725
R705
12 12
L704
DA-8580
C741
1000pF EAP38319001
50V
2S 2F
C745
C742
0.47uF
1000pF
50V
1S 1F
50V
R726 R713
12
12
R727
R716
12 12
L705
C743
DA-8580
1000pF
EAP38319001
50V
2S 2F
C746
C744
0.47uF
1000pF
50V
50V 1S 1F
R728 R719
12
12
C736
10uF
35V
SB_MUTE
1:AA19;G25;9:AI24;9:AI25
NTP_MUTE
1:AA22
AE3
AE5
AE7
AE9
+3.3V
BOTTOM_EARPHONE
DJ-S3600LM
R707
10K JK700
4
C761
22uF
16V 3
HP_DET
2
C762
1
22uF
16V 5
FIX-TER
10
7
C-LUG-ER
3
TRANSFER[L]
4
BREAK[L]
5
C-LUG-EL
6
C-LUG-ES
8
BREAK[R]
9
TRANSFER[R]
PEJ026-01
JK701
TOP_EARPHONE
SPK_L+ AB10
C755
0.01uF
50V
R730
C749
R734
0.1uF
4.7K
50V
3.3
SPEAKER_L
R735
C750 3.3
0.1uF R731
50V C756
4.7K 0.01uF
50V
SPK_L-
AB11
SPK_R+
AB11
C757
0.01uF
C751 R732
50V
0.1uF 4.7K R736
SPEAKER_R
50V
3.3
R737
3.3
C752 R733
C758
0.1uF 4.7K
0.01uF
50V
50V
SPK_R- AB12
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
P700
2A => 5A
EAX60686904
2009.03.25
AMP 7
LGE Internal Use Only
11