LG 37LV470S Service Manual page 34

DUAL COMPONENT
Q4601 1ST : 0TRIY80001A 2ND : 0TR387500AA
+24V_AMP
+24V
L4601
MLB-201209-0120P-N2
OPT
C4601 C4602 C4608
C4606
0.1uF 0.1uF
10uF 0.1uF
50V 50V
10V
C4604
1000pF
50V
C4603
R4605
100pF
50V 3.3K
AUD_LRCH
AUD_LRCK
AUD_SCK
R4603 100
SDA3_3.3V
R4604 100
SCL3_3.3V
C4607 C4609
+3.5V_ST
33pF 33pF
50V 50V
R4602
10K
R4606
C 100
C4605
R4601
1000pF
B
Q4601
AMP_MUTE 50V
2SC3052
10K
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.
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.3V_Normal AMP_RESET_N
C4615
1000pF
50V
L4602
BLM18PG121SN1D
AUD_MASTER_CLK
C4640
C4614
10uF
0.1uF
10V
16V
OPT
C4610 C4612
10uF 0.1uF
10V
16V
16V
AGND_PLL
1
AVDD_PLL
2
THERMAL
DVDD_PLL
3 49
LF
4
IC4601
DGND_PLL
5
OPT GND_1
NTP-7400L
C4611
6
10uF
C4613
10V 0.1uF
DGND
16V
7
DVDD
8
SDATA
9
WCK
10
BCK
11
SDA
12
22000pF
+24V_AMP
OPT
R4607
3.3
OPT
C4624
C4618
C4620 C4622
0.01uF
0.1uF 0.1uF 10uF
50V
50V 50V 35V
OUT1B_2
36
OUT1B_1
35
PGND1B
34 C4625
22000pF
BST1B
50V
33
VDR1
32
VCC_5
31
GND_2
30
VDR2
29
C4627
BST2A
1uF
28
25V
PGND2A
27 C4626
22000pF
OUT2A_2 50V
26
OUT2A_1
25
+24V_AMP
C4619 C4621 C4623
0.1uF 0.1uF 10uF
50V 50V
35V
C4617
50V
D4601
1N4148W R4608 R4615
L4605
12 12
100V
10.0uH
OPT
C4629
390pF
L4606
50V C4634
10.0uH 0.47uF
50V
C4630
390pF
D4602 50V
1N4148W
R4609 R4613
100V
12 12
OPT
C4628 C4633
1uF 1uF
25V 25V
D4603
R4610 R4614
1N4148W 12 12
L4603
100V
10.0uH
OPT
C4631
390pF C4635
L4604
50V 0.47uF
10.0uH 50V
C4632
390pF
50V
D4604
1N4148W
R4611 R4612
100V
12 12
OPT
SPK_L+
R4616
C4636
0.1uF
4.7K
50V
SPEAKER_L
C4637
0.1uF R4617
50V
4.7K
SPK_L-
WAFER-ANGLE
SPK_L+
4
SPK_L-
3
SPK_R+
2
SPK_R-
1
P4601
SPK_R+
C4638 R4618
0.1uF 4.7K
50V
SPEAKER_R
C4639 R4619
0.1uF 4.7K
50V
SPK_R-
BCM35230
LV7 EU AMP 46 50
LGE Internal Use Only