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AUDIO AMP(STA380BWEF)
+3.5V_ST
R3402
10K
R3403
10K
C
R3401
10K
B
Q3401
AMP_MUTE
MMBT3904(NXP)
E
OPT
R3405
0
POWER_DET
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 ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+3.3V_Normal
NC_13
C3403
NC_14
0.1uF
16V
NC_15
VDDDIG1
GNDDIG1
FFX3A
FFX3B
EAPD/FFX4A
C3404
2.2uF
TWARNEXT/FFX4B
10V
VREGFILT
AGNDPLL
AUD_MASTER_CLK
AUD_SCK
AUD_LRCK
AUD_LRCH
R3404
100
AMP_RESET
R3406
AMP_SDA
C3401
R3407
1000pF
AMP_SCL
50V
12 GND_REG
C3409
0.1uF
25
11 VDD_REG
16V
26
10 OUT1A
27
9 GND1
28
8 VCC1
29
7 OUT1B
30
IC3401
6 OUT2A
31
STA380BWF
5 VCC2
32
4 GND2
33
3 OUT2B
34
49
2 VSS_REG
C3408
35
1 VCC_REG
0.1uF
36
16V
MCLK
+3.3V_Normal
C3407
0.1uF
16V
0
0
L3402
10uH
C3420
C3424
0.22uF
1000pF
R3408
R3409
C3418
50V
50V
43
43
0.22uF
50V
C3413
C3421
C3425
L3403
330pF
0.22uF
1000pF
10uH
50V
50V
50V
L3404
10uH
C3414
C3422
C3426
330pF
0.22uF
1000pF
50V
C3419
50V
50V
0.22uF
R3410
R3411
50V
43
43
C3423
C3427
L3405
0.22uF
1000pF
10uH
50V
50V
+24V
L3401
CIS21J121
C3411
C3412
C3415
C3416
C3417
0.1uF
1uF
1uF
0.1uF
10uF
50V
50V
50V
50V
35V
3216
SPK_L+
SPK_L-
SPK_R+
SPK_R-
NC4_S7LRM
AMP_STA380BWEF
SPK_L+
SPEAKER_L
SPK_L-
SPK_R+
SPEAKER_R
SPK_R-
P3401
WAFER-ANGLE
4
3
2
1
2012/08/29
34
LGE Internal Use Only
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