THERMAL
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.

2012/08/29

AMP_STA380BWEF 34

NC4_S7LRM
SPK_L+
+3.5V_ST
AMP_MUTE AMP_SCL
C3420
0.22uF
50V
R3403
10K
SPK_R-
C3415
1uF
50V
+3.3V_Normal
R3410
43
R3408
43
L3401
CIS21J121
R3404
100
R3402
10K
C3412
1uF
50V
C3424
1000pF
50V
R3401
10K
SPK_L+
P3401
WAFER-ANGLE
1
2
3
4
C3425
1000pF
50V
C3408
0.1uF
16V C3427
1000pF
50V
C3419
0.22uF
50V
SPK_L-
SPK_L-
+3.3V_Normal
AUD_MASTER_CLK
C3423
0.22uF
50V
C3426
1000pF
50V
C3411
0.1uF
50V C3416
0.1uF
50V
C3413
330pF
50V
C3422
0.22uF
50V
SPK_R+
Q3401
MMBT3904(NXP)
E
B
C
AUD_LRCH
C3414
330pF
50V
R3409
43
AUD_SCK
AMP_RESET
SPK_R+
R3411
43
C3407
0.1uF
16V
POWER_DET
+24V
C3421
0.22uF
50V
C3401
1000pF
50V
C3409
0.1uF
16V
AMP_SDA
C3418
0.22uF
50V
R3405
0
OPT
SPK_R-
C3404
2.2uF
10V
C3403
0.1uF
16V
AUD_LRCK
R3406 0
R3407 0

IC3401

STA380BWF

1 VCC_REG
2 VSS_REG
3 OUT2B
4 GND2
5 VCC2
6 OUT2A
7 OUT1B
8 VCC1
9 GND1
10 OUT1A
11 VDD_REG
12 GND_REG
13 NC_1
14 NC_2
15 NC_3
16 NC_4
17 NC_5
18 NC_6
19 NC_7
20 NC_8
21 NC_9
22 NC_10
23 NC_11
24 NC_12
25
NC_13 26
NC_14 27
NC_15 28
VDDDIG1 29
GNDDIG1 30
FFX3A 31
FFX3B 32
EAPD/FFX4A 33
TWARNEXT/FFX4B 34
VREGFILT 35
AGNDPLL 36
MCLK
37
BICKI 38
LRCKI 39
SDI
40
RESET
41
PWDN
42
INTLINE
43
SDA
44
SCL
45
SA
46
TESTMODE
47
GNDDIG2
48
VDDDIG2
49
[EP]
L3404
10uH
L3402
10uH
L3405
10uH
L3403
10uH
C3417
10uF
35V
3216
AUDIO AMP(STA380BWEF)
SPEAKER_R
SPEAKER_L
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only