Read LG 47LH55 (CHASSIS:LA92B) Service Manual online
+24V_AMP
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.
+24V
0.1uF
50V
C621
+24V_AMP
120-ohm
L611
MLB-201209-0120P-N2
L603
1N4148W
100V OPT
D604
SPK_L-
006:AJ20
100
R608
AMP_RST
001:AB21
100
R606
0.47uF 50V
C633
5.6
R616
1000pF 50V
C629
0.1uF
50V
C620
4.7K
R620
1000pF 50V
C630
0.01uF 50V
C639
1uF
16V
C622
AUDIO_MASTER_CLK
001:W26
1000pF 50V
C607
3.3K
R602
MS_SCK
001:W26
1N4148W
100V OPT
D602
0.47uF 50V
C634
0.1uF
C608
0.1uF
50V
C626
0
R600
R600
4.7K
R617
22000pF
50V
C614
33K
OPT
R609
+3.3V
3.3
R622
1000pF 50V
C632
120-ohm
L608
0.1uF
50V
C601
SPK_R-
006:AJ16
1000pF
50V
C606
SPK_R-
006:AH9
+1.8V_AMP
10uF
10V
C610
SPK_L-
006:AH10
5.6
R615
SDA_SUB/AMP
001:AI5;004:K27
2SC3052
Q600
E
B
C
33pF
50V
OPT
C616
100pF
50V
C604
0.1uF 50V
C636
0.1uF
50V
C637
5.6
R613
MS_LRCK
001:W26
SPK_R+
006:AH10
0.1uF
50V
C605
SCL_SUB/AMP
001:AI5;004:K27
DA-8580
EAP38319001
L607
2S
1S
1F
2F
3.3
R624
100
R607
0.01uF 50V
C615
1N4148W
100V
OPT
D603
120-ohm
L609
1uF
10V
C611
1000pF 50V
C631
100
R604
100
R605
0.1uF
50V
C638
10K
R611
0.01uF 50V
C640
1uF 16V
C619
0.1uF
50V
C627
4.7K
R619
0
R603
+3.3V_ST
SPK_L+
006:AJ22
1uF 10V
C617
1N4148W
100V
OPT
D601
0.1uF 50V
C613
22000pF 50V
C623
0.01uF
50V
C642
0.01uF
50V
C641
100
R601
5.6
R614
22000pF
50V
C624
MS_LRCH
001:W26
SPK_R+
006:AJ18
4.7K
R618
0
R610
0.1uF 50V
C635
10K
R612
+1.8V_AMP
+24V_AMP
120-ohm
L610
22000pF 50V
C618
DA-8580
EAP38319001
L606
2S
1S
1F
2F
MLB-201209-0120P-N2
L604
WAFER-ANGLE
P600
1
SPK_R-
2
SPK_R+
3
SPK_L-
4
SPK_L+
3.3
R621
33pF
50V
C609
SPK_L+
006:AH11
+1.8V_AMP
3.3
R623
33pF
50V
C612
AMP_MUTE
001:D16
MLB-201209-0120P-N2
L605
3.3
R625
3.3
R626
0.01uF
50V
C643
0.01uF
50V
C644
0.1uF
50V
C645
MLB-201209-0120P-N2
L602
POWER_DET
0
OPT
R627
68uF
C628
35V
10uF 16V
C600
10uF 16V
C603
68uF
35V
C602
+3.3V
0.1uF
16V
C647
GND
22uF
16V
C646
0.1uF
16V
C648
AZ1117H-1.8TRE1(EH13A)
IC601
2
OUTPUT
3
INPUT
1
ADJ/GND
22uF
16V
C649
+1.8V_AMP
NTP-3100L
EAN60664001
IC600
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
D V
D D
17
S D
A T
A
18
W C
K
19
B C
K
20
S D
A
21
SCL
22
MONITOR_0
23
MONITOR_1
24
MONITOR_2
25
F A
U L
T
26
V D
R 2B
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
V D
R 1B
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
SPEAKER_L
2A => 5A
SPEAKER_R
Mstar Application
Monitor0_1_2 TP is necessory
MCLK SDATA WCK BCK TP is necessory
C
2009
AUDI
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