Sony STR-KS1200 Service Manual page 82

STR-KS1200
Q Q
2-4. SCHEMATIC DIAGRAM - MAIN Board (2/10) -
3 7 6 3 1 5 1 5 0
1 2
MAIN BOARD
A
B
C
DGND
AMP_DATA1
16 AMP_DATA2
AMP_DATA3
D
MAIN
BOARD AMP_LRCKO
(9/10)
AMP_BCKO
(Page 13)
ERROR
1
E
2
3
4
5
15
F
MAIN
BOARD
6
(1/10)
(Page 5)
7
9
8
10
11
G DGND
T E
L 1 3 9 4 2 2 9 6 5 1 3
H
I
J
K
L
M
IC1003
SWITCHING
w w w
N
O
STR-KS1200
3 4 5 6 7
(2/10)
AMP_DATA1
AMP_DATA2
AMP_DATA3
R1205
22
R1027 22
22
R1026
R1025 22
R1024 22
R1023
22
R1017 22
R1062 22
R1068 47
R1018 47
FB1105
C1070 470
10V
C1013 470 10V
C1075
0.1
FB1104 C1072
0.1 R1079
SF_DSP_CE
IC1002
+1.2V REGULATOR
3
IC1002
BD12KA5FP-E2
2
1
C1074
0.47
470
C1073 10V
8 7 6 5
IC1011
FLASH MEMORY
1 2 3 4
R1086
10k
10k
R1090
C1077
0.1
IC1004
FLIP-FLOP
8 7 6 5
8 7 6 5
R1035
22
1 2 3 4
1 2 3 4
x a o
y
C1078
0.1
. i
http://www.xiaoyu163.com
8 9 10 11
72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55
3.3
73 VDDEXT
C1016 0.1
74 GND
1.2
75
VDDINT
76
GND
C1015
77
DPSOE
0.1
1.2
78
DPSIA
1.2
79
DPSIB
0
80
DPSIC
0
81
DPSID
0
82 DPSIE
1.2
83 VDDINT
84 GND
C1014
85 GND
0.1
1.6
86
DPDVLRCK
C1922 22p 1.7
87
DPDVBCK
1.7
88
DPLRCK
IC1009
C1933 22p 1.7
89
DPBCK
1.2
90 DSP
VDDINT
C1023 0.1 IC1009
91
GND
ADSST-AVR-1115
C1024 0.1
92 GND
3.3
93 VDDEXT
1.7
94 DPFSCK
C1025 0.1
95 GND
1.2
96
VDDINT
0
Q Q
97
XNONAUDIO
22
3.3 3 7 6
98
XSF_CE
1.2
99
VDDNT
C1026 0.1
R1075 100 GND
10k 1.2
101 VDDINT
102 GND
1.2
103 VDDINT
0.1
C1027
104 GND
1.2
105
VDDINT
0.1
C1028
106
GND
1.2
107
VDDINT
1.2
108 VDDINT
C1076
C1029 0.1
0.1
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139140 141 142 143 144
C1030 10
C1034
0.1
R1093
10k
R1037
R1098
10k
10k
u 1 6 3
.
6 6
2 4
8 9 9
12 13 14 15 16
R1085
0.33
C1061
C1060
100
100
16V 16V
C1059
10
54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37
C1058
0.1
1.2
VDDINT
36
XWR
35
AD0
34
AD1
33
GND
32
3.3
VDDEXT
31
C1057
AD2
30
AD3
29
C1056
GND
28
1.2
VDDINT
27
AD4
26
AD5
25
AD6
24
1.2
VDDINT 23
C1055
GND
22
3.3
VDDEXT
21
C1054
GND
20
1.2
VDDINT
19
GND
18
AD7
17
3.3
ERROR
16
0 R1901
DSP INT
15
GND
14
1.2
VDDINT 13
C1053
GND 12
3 1 5 1 5 0 1.2 8 9 2
VDDINT 11
GND
10
1.2
VDDINT
9
C1052
GND
8
3.3
VDDEXT
7
GND
6
3.3 R1071
BOOTCFG1
5
3.3 R1069
BOOTCFG0
4
3.3 R1053
CLKCFG1 3
0 R1050 10k
CLKCFG0 2
1.2
VDDINIT 1
C1051
0.1
C1050
0.1
C1040
C1048
0.1
8p
R1048 R1049
1M 470
X1302
25MHz
FB1112
R1102
0
R1101
0
R1104
0
R1100
0
m
c o
C1919
100p
R1010
100
2
8 9 9
17 18 19
0.1
0.1
0.1
0.1
R1084
0
10k
R1080
0
0.1
4 9 8 2 9 9
0.1
10k
10k
10k
17
DGND
17
15
MAIN
BOARD
(3/10)
(Page 7)
19
18