LG 42LV3500 Service Manual page 31

+1.8V_AMP
+3.3V_Normal
IC404
AP1117E18G-13
IN ADJ/GND
3 Vd=1.4V 1
2
OUT
C434 C421
0.1uF 10uF
16V
10V
+1.8V_AMP
+1.8V_AMP
L501
OPT
C501
10uF
10V
AUD_LRCH
AUD_LRCK
AUD_SCK
AMP_SDA
AMP_SCL
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
120 mA
C446
0.1uF
16V
+24V
+3.3V_Normal
C514
22000pF
50V
L504
AMP_RESET
C506
1000pF
50V
BST1A
1
AUD_MASTER_CLK C512
VDR1A
2 THERMAL
1uF 25V 57
/RESET
3
AD
C509 4
0.1uF
DGND_1
5
GND_IO
6 IC501
CLK_I
7
L502
C508 VDD_IO
8
C504 1000pF C433
EAN60969603
50V DGND_PLL
10uF 9
100pF
R508 10V OPT AGND_PLL
50V 10
3.3K LF
11 NTP-7100
AVDD_PLL
12
DVDD_PLL
13
GND
14
C502 OPT
0.1uF C503 C505
10uF 0.1uF
16V
10V
16V
+1.8V_AMP
OPT
C511
10uF C513
0.1uF
10V
16V
R503 100
R504 100
R505 100
R506 33
R507 33
C507 C510 C546 C544 C545
18pF 18pF 22pF 22pF 22pF
50V 50V 50V 50V 50V
OPT OPT OPT
D501
1N4148W R519 R526
OPT 12 12
100V
R535
OPT
3.3
C529
390pF
OPT 50V
C547
C521
C515 C519 0.01uF
10uF
0.1uF 0.1uF C530
50V
50V 35V 390pF
50V
D502 50V
1N4148W
R520 R524
100V
12 12
OPT
C518
22000pF
50V
C520
1uF
25V
NC C522
42
25V 1uF
VDR2A C525
41
22000pF
40 BST2A
D503 R525
R521
50V
PGND2A_2 1N4148W 12
39 12
100V
38 PGND2A_1
OPT
OUT2A_2 C531
37
390pF
36 OUT2A_1 50V
PVDD2A_2
35
C532
34 PVDD2A_1
390pF
50V
PVDD2B_2 D504
33
1N4148W
PVDD2B_1 R522 R523
32
100V 12 12
OUT2B_2 OPT
31
OUT2B_1
+24V
30
PGND2B_2
29
C528
C526 C527
10uF
0.1uF 0.1uF 35V
50V 50V
C517
1uF
25V C524
22000pF
50V
R513
0
POWER_DET
C516 OPT
1000pF
50V
+3.5V_ST
R515
R514 100
10K
C
R517
B
Q501
AMP_MUTE
2SC3052
10K
E
L506 R527
C536
10.0uH
0.1uF
4.7K
50V
NRS6045T100MMGK
C534
0.47uF
10.0uH
50V
C537
L507
0.1uF R528
NRS6045T100MMGK 50V
4.7K
NRS6045T100MMGK
L508
C538 R529
10.0uH
0.1uF 4.7K
C535
50V
0.47uF
L509
10.0uH 50V
NRS6045T100MMGK
C539 R530
0.1uF 4.7K
50V
SPK_L+
SPK_L-
SPK_R+
SPK_R-
GP2R
AMP_NTP
SPK_L+
SPEAKER_L
SPK_L-
SPK_R+
SPEAKER_R
SPK_R-
WAFER-ANGLE
4
3
2
1
P501
20101023
16
LGE Internal Use Only