LG 32CS460 Service Manual page 29

AUDIO AMP(STA380BWE)
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 © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+24V +24V_AMP
L3400
CIS21J121
C3400 C3402
0.1uF 0.1uF
50V 50V
+3.3V_Normal +3.3V_AMP
L3401
BLM18PG121SN1D
AUD_MASTER_CLK
+3.5V_ST
AUD_SCK
NON_LIPS
AUD_LRCK
R3412
10K
AUD_LRCH
NON_LIPS
R3401
10K NON_LIPS
R3402
100 AMP_RESET
NON_LIPS
C
R3400
NON_LIPS
10K AMP_SDA
B Q3400 C3401
AMP_MUTE MMBT3904(NXP) 1000pF
AMP_SCL
50V
E
LIPS
R3411
0
POWER_DET
+3.3V_AMP
NC_13 25 12 GND_REG C3409
0.1uF
NC_14 26 11 VDD_REG 16V
C3403
NC_15 27 10 OUT1A
0.1uF
16V VDDDIG1 28 9 GND1
GNDDIG1 29 8 VCC1
FFX3A 30 7 OUT1B
IC3400
FFX3B 31 6 OUT2A
STA380BW
EAPD/FFX4A 32 5 VCC2
C3404 TWARNEXT/FFX4B 33 4 GND2
2.2uF
VREGFILT 34 3 OUT2B
10V 49
AGNDPLL 35 2 VSS_REG
C3408
MCLK 36 1 VCC_REG 0.1uF
16V
+3.3V_AMP
C3407
0.1uF
16V
0
R3403
R3404 0
OPT OPT
C3405 C3406
33pF 33pF
50V 50V
L3402
10.0uH
SPK_L+
C3420 C3424
0.22uF 1000pF
R3407 R3408
C3418 50V 50V
43 43
0.22uF
SPEAKER_L
50V
C3413 C3421 C3425
L3403
330pF 0.22uF 1000pF
10.0uH
50V
50V 50V
SPK_L-
L3404
10.0uH
SPK_R+
C3414 C3422 C3426
330pF 0.22uF 1000pF
50V C3419 50V 50V
0.22uF
SPEAKER_R
R3409 R3410
50V
43 43
C3423 C3427
L3405
0.22uF 1000pF
10.0uH
50V 50V
SPK_R-
+24V_AMP
C3411 C3412 C3415 C3416 C3417
0.1uF 1uF 1uF 0.1uF 10uF
50V 50V 50V 50V 35V
P3400
WAFER-ANGLE
SPK_L+
4
SPK_L-
3
SPK_R+
2
SPK_R-
1
GP4L_S7LR2 2011/11/16
AMP_STA380BWE 34
LGE Internal Use Only