Read LG 47SL90QD-CA (CHASSIS:LC91L) Service Manual online
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.
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
0.1uF
C729
50V
0.1uF
C749
50V
0.1uF
C735
50V
SPK_R+
AB11
R734
3.3
C732
22000pF
50V
C746
0.47uF
50V
SPK_R-
AB12
MS_LRCK
2:X21
0.01uF
C758
50V
R736
3.3
0.1uF
C728
50V
0.01uF
C756
50V
R730
4.7K
0.01uF
C720
50V
0.1uF
C733
50V
0.01uF
C757
50V
L704
DA-8580
EAP38319001
DA-8580
EAP38319001
2S
1S
1F
2F
SDA_SUB/AMP
1:L22;11:AG10
SPK_L-
AB11
0.1uF
C750
50V
R737
3.3
R732
4.7K
MS_LRCH
2:X21
SPK_L+
AB10
MS_SCK
2:X21
AUDIO_MASTER_CLK
2:X21
0.1uF
C734
50V
C731
22000pF
50V
+1.8V_AMP
C726
22000pF
50V
+1.8V_AMP
C745
0.47uF
50V
0.1uF
C752
50V
0.1uF
C751
50V
AMP_RST
1:AA21
L705
DA-8580
EAP38319001
DA-8580
EAP38319001
2S
1S
1F
2F
0.01uF
C755
50V
R735
3.3
SCL_SUB/AMP
1:L22;11:AG9
R733
4.7K
C716
22000pF
50V
R731
4.7K
+1.8V_AMP
SPK_R-
AE9
SPK_L-
AE5
SPK_L+
AE3
SPK_R+
AE7
+3.3V
Q701
2SC3052
E
B
C
+3.3V_ST
SB_MUTE
1:AA19;G25;9:AI24;9:AI25
NTP_MUTE
1:AA22
D709
ENKMC2838-T112
A1
C
A2
R722
100
R720
100
R721
100
D704
100V
1N4148W
OPT
D705
100V
1N4148W
OPT
D706
100V
1N4148W
OPT
D707
100V
1N4148W
OPT
L700
BLM18PG121SN1D
L701
BLM18PG121SN1D
C712
33pF
50V
33pF
50V
C714
33pF
50V
33pF
50V
R710
100
R709
100
R726
12
R727
12
R725
12
R728
12
R716
12
R705
12
R713
12
R719
12
R740
0
0
R703
0
0.1uF
C706
16V
0.1uF
C709
C702
0.1uF
16V
0.1uF
C715
16V
R704
100
C743
1000pF
50V
C707
1000pF
50V
C708
1000pF
50V
C744
1000pF
50V
C741
1000pF
50V
C742
1000pF
50V
C705
100pF
50V
R729
10K
R724
10K
R708
3.3K
R717
33K
OPT
IC701
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
C725
10uF
35V
10uF
35V
C736
10uF
35V
10uF
35V
L707
120-ohm
120-ohm
L708
120-ohm
120-ohm
L706
120-ohm
120-ohm
L709
120-ohm
120-ohm
AMP_VCC
AMP_VCC
C713
0.1uF16V
C724
0.1uF
16V
C730
0.1uF
16V
C727
0.1uF
16V
C760
1uF
1uF
10V
R718
100
C721
0.1uF
16V
0.1uF
16V
C704
1uF
10V
C700
1uF
10V
Q703
2SC3052
E
B
C
R751
0
OPT
R750
0
+5V_GENERAL
P701
12507WR-08L
1
2
3
4
5
6
7
8
9
R748
0
0
BT_LOUT_AMP
R747
47K
BT_DM
BT_DP
R744
0
R749
4.7K
C761
1uF
Q702
RTR030P02
S
D
G
BT_ON/OFF
R746
0
R753
470
470
C762
10uF
6.3V
C766
22uF
16V
R758
3K
3K
Q704
2SC3052
E
B
C
Q706
2SA1504S
E
B
C
C765
0.1uF
16V
BT_LOUT_AMP
+12V
R755
15K
15K
C764
0.1uF
16V
C763
0.1uF
16V
OPT
+5V_GENERAL
L710
CIC21J501NE
L711
CIC21J501NE
OPT
C773
0.1uF
0.1uF
16V
BT_LOUT
R756
3K
3K
R752
1K
1K
R754
47K
47K
R757
47K
47K
OPT
P700
WAFER-ANGLE
1
2
3
4
5
SPEAKER_L
SPEAKER_R
7 17
AMP
2A => 5A
MCLK SDATA WCK BCK TP is necessory
EAX61333001
2009.7.2.
BLUETOOTH
BLUETOOTH Audio TR Amp
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