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LG 37LH50YD Service Manual page 21

Chassis: lb91b
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+1.8V_AMP
MCLK SDATA WCK BCK TP is necessory
002:X22
002:X21
002:X21
001:J21;001:AJ13;005:S9
001:J21;001:AJ13;005:S8
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 ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and servcie purposes
+3.3V
C716
22000pF
50V
L702
R704
100
001:AA21
AMP_RST
C707
1000pF
50V
R740
0
BST1A
1
002:X21
AUDIO_MASTER_CLK
C713
VDR1A
2
1uF
25V
RESET
3
+1.8V_AMP
AD
C709
4
0.1uF
DVSS_1
5
VSS_IO
6
IC701
CLK_I
7
L701
C708
VDD_IO
8
C705
1000pF
EAN60664001
L700
50V
DGND_PLL
9
100pF
R708
AGND_PLL
50V
10
3.3K
LFM
11
NTP-3100L
AVDD_PLL
12
DVDD_PLL
13
TEST0
14
C700
C702
10uF
0.1uF
C704
C706
6.3V
10uF
16V
0.1uF
6.3V
16V
+1.8V_AMP
C760
10uF
C715
6.3V
0.1uF
16V
R701
100
MS_LRCH
R702
100
MS_LRCK
R705
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
L703
+24V
CB3216PA501E
AMP_VCC
D704
1N4148W
R725
AMP_VCC
100V
12
OPT
C741
1000pF
50V
C701
C722
10uF
C720
C728
68uF
0.1uF
0.1uF
35V
C742
35V
50V
1000pF
50V
D705
50V
1N4148W
R726
100V
12
OPT
C726
22000pF
50V
C727
1uF
25V
NC
C730
42
25V
1uF
41
VDR2A
C732
22000pF
BST2A
40
D706
R727
50V
39
PGND2A_2
1N4148W
12
$0.96
100V
PGND2A_1
38
OPT
37
OUT2A_2
C743
1000pF
OUT2A_1
50V
36
PVDD2A_2
35
C744
PVDD2A_1
34
1000pF
50V
PVDD2B_2
D707
33
1N4148W
PVDD2B_1
R728
32
100V
12
OUT2B_2
OPT
31
OUT2B_1
30
PGND2B_2
29
AMP_VCC
C703
C734
C735
C725
10uF
0.1uF
0.1uF
68uF
35V
50V
50V
35V
C724
1uF
25V
C731
22000pF
50V
+3.3V_ST
C721
0.1uF
16V
R724
R718
100
10K
D701
ENKMC2838-T112
001:V21
C
A1
SB_MUTE
R729
B
C
Q701
R717
33K OPT
2SC3052
A2
10K
NTP_MUTE
E
001:AA22
L704
R714
DA-8580
12
C749
EAP38319001
0.1uF
2S
2F
50V
C745
0.47uF
50V
1S
1F
C750
0.1uF
50V
R712
12
R713
L705
12
DA-8580
EAP38319001
C751
2S
2F
0.1uF
C746
50V
0.47uF
50V
1S
1F
C752
0.1uF
R711
12
50V
007:AJ8
SPK_L+
007:AJ10
SPK_L-
007:AJ12
SPK_R+
007:AJ14
SPK_R-
EAX60148002-0(LH50)
SPK_L+
007:AH19
C755
0.01uF
50V
R730
R734
4.7K
3.3
SPEAKER_L
R735
3.3
R731
C756
4.7K
0.01uF
50V
SPK_L- 007:AH19
SPK_R+ 007:AH20
C757
0.01uF
R732
50V
4.7K
R736
SPEAKER_R
3.3
R737
3.3
R733
C758
4.7K
0.01uF
50V
SPK_R- 007:AH20
WAFER-ANGLE
L706
$0.01092
120-ohm
4
L707
120-ohm
3
L709
120-ohm
2
L708
120-ohm
1
P700
2A => 5A
2009.01.19
AMP
7
11
LGE Internal Use Only

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