Read LG 47LH9000 (CHASSIS:LD91I) Service Manual online
0 . 1 u F
50V
50V
C729
0 . 1 u F
50V
C749
0 . 1 u F
50V
50V
C735
SPK_R+ 007:AA11
3 . 3
R734
22000pF
50V
C732
0 . 4 7 u F
50V
C746
SPK_R- 007:AA11
MS_LRCK
002:X21
+24V
0 . 0 1 u F
50V
50V
C758
3 . 3
R736
0 . 1 u F
50V
50V
C728
0 . 0 1 u F
50V
C756
4.7K
R730
0 . 0 1 u F
50V
C720
0 . 1 u F
50V
C733
0 . 0 1 u F
50V
50V
C757
SDA_SUB/AMP
0 0 1 : E 2 1 ; 0 0 9 : A J 1 9
SPK_L- 007:AA10
0 . 1 u F
50V
C750
3 . 3
R737
4.7K
R732
MS_LRCH
002:X21
SPK_L+
007:AA10
MS_SCK
002:X21
AUDIO_MASTER_CLK
002:X21
0 . 1 u F
50V
50V
C734
22000pF
50V
C731
+1.8V_AMP
22000pF
50V
C726
+1.8V_AMP
0 . 4 7 u F
50V
C745
0 . 1 u F
50V
50V
C752
0 . 1 u F
50V
C751
AMP_RST
001:AA21
0 . 0 1 u F
50V
C755
3 . 3
R735
SCL_SUB/AMP
0 0 1 : E 2 1 ; 0 0 9 : A J 1 8
4.7K
R733
22000pF
50V
C716
4.7K
R731
+1.8V_AMP
SPK_R-
007:AD8
SPK_L-
007:AD4
SPK_L+
007:AD2
SPK_R+
007:AD6
HP_ROUT
007:AL23
100uF
16V
16V
C719
HP_LOUT
007:AE22
TPA6110A2DGNRG4
IC700
3
SHUTDOWN
2
GND
4
I N 2 -
1
BYPASS
5
VO2
6
VDD
7
VO1
8
I N 1 -
1K
R715
100uF
16V
16V
C718
0 . 2 2 u F
16V
C703
0 . 2 2 u F
16V
C717
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.
+3.3V
2SC3052
Q701
E
B
C
+3.3V_ST
+24V
+3.3V
HP_DET
SIDE_HP_MUTE
0 0 1 : A J 1 9
HP_MUTE
007:C24
ENKMC2838-T112
D708
A1
C
A2
SB_MUTE
0 0 1 : W 1 9 ; 0 0 7 : R 1 2 ; 0 0 9 : Y 2 3 ; 0 0 9 : Y 2 6
SB_MUTE
0 0 1 : W 1 9 ; 0 0 7 : G 2 5 ; 0 0 9 : Y 2 3 ; 0 0 9 : Y 2 6
NTP_MUTE
001:AA22
ENKMC2838-T112
D709
A1
C
A2
100
R722
100
R720
100
R721
1N4148W
100V
OPT
D704
1N4148W
100V
OPT
D705
1N4148W
100V
OPT
D706
1N4148W
100V
OPT
D707
AMOTECH
5.6V
D710
AMOTECH
5.6V
D711
BLM18PG121SN1D
L700
BLM18PG121SN1D
L701
33pF
50V
50V
OPT
C721
33pF
50V
50V
C712
33pF
50V
50V
C714
100
R710
100
R709
12
R726
12
R727
12
R725
12
R728
12
R716
12
R705
12
R713
12
R719
0
R740
0
R718
0
R703
0 . 1 u F
16V
C706
0 . 1 u F
C709
0 . 1 u F
16V
16V
C710
0 . 1 u F
16V
C702
0 . 1 u F
16V
C715
100
R704
1000pF
50V
C707
1000pF
50V
C708
100pF
50V
C705
10K
R707
10K
R729
10K
R724
1K
R714
1uF
6.3V
6.3V
C701
3.3K
R708
33K
R717
OPT
+5V_ST
+5V_EARPHONE
ENKMC2838-T112
D700
A1
C
A2
10K
R700
+5V_EARPHONE
10K
R742
2SC3052
Q705
E
B
C
HP_MUTE
0 0 7 : J 2 5
+5V_EARPHONE
10K
R741
2SC3052
Q700
E
B
C
10K
R701
20K
R702
20K
R712
NTP-3100L
EAN60664001
IC701
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
10uF
35V
35V
C725
10uF
35V
35V
C736
120-ohm
L709
120-ohm
L706
120-ohm
L707
120-ohm
L708
0 . 1 u F
C723
0 . 1 u F
C722
1uF
10V
C704
1uF
10V
C700
1uF
10V
C760
0 . 1 u F 16V
C713
0 . 1 u F
16V
C727
0 . 1 u F
16V
C724
0 . 1 u F
16V
C730
0
R744
RTR030P02
Q702
S
D
G
BT_ON/OFF
+5V_GENERAL
0
R746
47K
R747
0
R748
BT_LOUT_AMP
12507WR-08L
P701
1
2
3
4
5
6
7
8
9
4.7K
R749
0
R750
1uF
C761
0
OPT
R751
2SC3052
Q703
E
B
C
BT_DM
BT_DP
10uF
6.3V
C762
2SC3052
Q704
E
B
C
BT_LOUT_AMP
0 . 1 u F
16V
OPT
OPT
C763
1K
R752
470
R753
0 . 1 u F
16V
C764
47K
R754
0 . 1 u F
16V
C765
15K
R755
2SA1504S
Q706
E
B
C
+12V
3K
R756
CIC21J501NE
L710
OPT
22uF
16V
16V
C766
47K
OPT
R757
3K
R758
BT_LOUT
+5V_GENERAL
HP_ROUT
HP_LOUT
680K
R760
OPT
0
R761
BT_AU_SW
0 . 1 u F
16V
16V
C767
+5V_GENERAL
680K
R762
OPT
680K
R763
OPT
HP_AU_SW
MC74HC4066ADR2G
IC702
3
YB
2
YA
4
XB
1
XA
6
CONTROL_C
5
CONTROL_B
7
GND
8
XC
9
YC
10
YD
11
XD
12
CONTROL_D
13
CONTROL_A
14
VCC
680K
R764
OPT
+5V_GENERAL
0
R765
BT_LOUT
+5V_GENERAL
+5V_GENERAL
HP/BT_LOUT
HP/BT_ROUT
27K
R706
27K
R711
22uF
25V
25V
C775
22uF
25V
25V
C774
0
R767
0
C772
4.7K
R759
0
C770
KRC103S
OPT
Q708
E
B
C
0
OPT
R768
0
R769
4.7K
R766
KRC103S
OPT
Q707
E
B
C
0
OPT
R771
0
R770
0 . 1 u F
16V
C773
CIC21J501NE
L711
+5V_GENERAL
10uF
10V
C711
DJ-S3600LM
JK700
1
2
3
4
5
WAFER-ANGLE
P700
1
2
3
4
DA-8580
EAP38319001
EAP38319001
22uH
L704
2S
1S
1F
2F
DA-8580
EAP38319001
EAP38319001
22uH
L705
2S
1S
1F
2F
390pF
50V
C741
390pF
50V
C742
390pF
50V
C743
390pF
50V
C744
SPEAKER_L
SPEAKER_R
EARPHONE AMP
7 1 3
AMP
2A => 5A
MCLK SDATA WCK BCK TP is necessory
M o n i t o r 0 _ 1 _ 2 T P i s n e c e s s o r y
EAX61052801
BLUETOOTH
BLUETOOTH Audio TR Amp
BT & HP AUDIO SWITCH
2 0 0 9 . 0 2 . 2 3
AMP
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