LG 50PJ350 Service Manual page 22

AMP
Separate DGND AND AVSS
1 : S 2 6 ; 2 : Q 2 1
AUDIO_MASTER_CLK
+3.3V_DVDD
Q701
R731
B
Q700
C 4.7K
R729
33K B
1 : A I 3 ; 5 : O 2 4 AC_DET
2SC3875S(ALY)
E
R702 22 READY
22 R724
2:Q20 MS_LRCK
22
1 : S 2 6 ; 2 : Q 2 1 MS_SCK
22
1 : S 2 5 ; 2 : Q 2 0 MS_LRCH
2:Q24 AMP_SDA
AMP_SCL
2:Q20
SCL1
CH_5
SDA1
CH_5
1 : T 8
AMP_RESET_N
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 © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
T h i s p a r t s a r e L o c a t e d
o n A V S S a r e a .
R705
0
AVSS
C710 4700pF
AVSS
C708
R712
470
0 . 0 4 7 u F
R720
22
C745 22pF
READY
+3.3V_AU_AVDD AVDD
13
TESTOUT
14
C701 C704
R710 22
10uF 16V 0 . 0 1 u F
READY
MCLK
15
AVSS
R709 OSC_RES
1% 16
200
C 1% 18K DVSS_1
17
R711
2SC3875S(ALY) VR_DIG
18
TAS5709PHPR
E
PDN
19
LRCLK
C705
20
C703
4 . 7 u F
C700 0 . 1 u F
10V
SCLK
READY 1000pF 21
50V
SDIN
22
SDA
23
SCL
R725 24
R726
C743
C742 C744
22pF 22pF 22pF
+3.3V_DVDD
READY READY
READY
R728 R744
2K 2K
+3.3V_DVDD C706 C707
33pF 33pF
READY READY
READY
R706
R704
2K
33
+3.3V_DVDD
C702
1000pF
READY
C709 C711
10uF 16V 0 . 0 1 u F
P_17V
C724
C728 C729
C721
22uF 68uF 68uF
25V 35V 35V
0 . 0 1 u F
PGND_AB_2
48
PGND_AB_1
47
OUT_B
46
PVDD_B_2
45
50V
PVDD_B_1 C726
44 0 . 0 3 3 u F
0 . 0 1 u F C731
BST_B
43
BST_C
42
IC700
PVDD_C_2
41
50V
C725
PVDD_C_1
40 0 . 0 3 3 u F
0 . 0 1 u F
C730
OUT_C
39
PGND_CD_2
38
PGND_CD_1
37
P_17V
C722 C723 C727
C720
22uF 68uF 68uF
0 . 0 1 u F
25V 35V 35V
C715
0 . 1 u F
+3.3V
L703
+3.3V_AU_AVDD
120-ohm
L702
+3.3V_DVDD
120-ohm
C740
L701
0 . 0 1 u F
C736
AD-9060
0 . 1 u F
2S 2F
50V
C733
0 . 6 8 u F
1S 1F
50V
C737
0 . 1 u F C741
50V SPK_L+
0 . 0 1 u F
SPK_L-
SPK_R+
SPK_R-
C738
L700
0 . 0 1 u F
C734
AD-9060
0 . 1 u F
2S 2F
50V
C732
0 . 6 8 u F
1S 1F
50V
C735
0 . 1 u F C739
50V 0 . 0 1 u F
EAX61373301
AUDIO AMP 7 1 3
LGE Internal Use Only