LG 50PM4700 Service Manual page 20

AUDIO AMP [STA368BW]
I2C_SCL1
I2C_SDA1
AMP_RST
AUD_LRCH
AUD_LRCK
AUD_SCK
AUD_MCLK
Close to IC Pin
+3.3V_AMP
R800
1K
AC_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.
AMP
Copyright © 2012 LG Electronics Inc. All rights reserved.
Only for training and service purposes
IC800
STA368BWG
[EP]GND
+3.3V_AMP
VDD_DIG_2
R804
10K 36
C803 C805 GND_DIG_2
0.1uF 0.1uF
16V 16V 35
Close to IC Pin
SCL
34
SDA
33
INT_LINE
32
RESET
31
SDI
AR800 100 30
LRCKI
29
OPT
C827
BICKI
10pF
28
XTI
27
GND_PLL
R801
0
26
C802
FILTER_PLL
4700pF
C801 50V C804 25
0.1uF 680pF
16V 50V
R803
2K
VDD_PLL
R802
2.2
24
PWRDN
23
GND_DIG_1
22
C806
VDD_DIG_1
0.1uF
16V
21
+3.3V_AMP
Close to IC Pin
TWARN/OUT4A
20
EAPD/OUT4B
19
P_+17V
GND_SUB
L800
1 CIS21J121
SA
2
C813 C814
0.1uF 68uF
50V 35V
TEST_MODE
3
VSS
4
VCC_REG C807
0.1uF
50V
5
Close to IC Pin Close to Output Pin
OUT2B
L801
6 10.0uH
GND2
7 R807 R805
39 39
C817
VCC2 C809 0.22uF
0.1uF 50V
50V
8
C815
330pF
C810 50V
1uF
OUT2A
25V L802
Close to IC Pin
9 10.0uH
OUT1B
L803
10 10.0uH
VCC1
Close to IC Pin
11
C816
330pF
C811 50V C818
0.1uF 0.22uF
GND1
50V 50V
12
R808 R806
C812 39 39
1uF
OUT1A 25V
L804
10.0uH
13
GND_REG
14
C808
VDD
0.1uF
15 16V
Close to IC Pin
CONFIG
16
OUT3B/FFX3B
17
OUT3A/FFX3A
18
+3.3V_MULTI
L805
CIS21J121
SPK_R-
C819 C823
0.22uF 1000pF
50V 50V
C820 C824 1
JP800
0.22uF 1000pF SPK_R-
50V 50V
2
JP801
SPK_R+ SPK_R+
3
JP802
SPK_L-
SPK_L-
C821 C825
0.22uF 1000pF 4
50V 50V SPK_L+ JP803
WAFER-ANGLE
P800
C822 C826
0.22uF 1000pF
50V 50V
SPK_L+
+3.3V_AMP
LGE Internal Use Only