Pioneer SC-LX90 Service Manual page 201

Audio/video multi-channel amplifier
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5
Q1904
2SA1602A(EF)
F1901
ATF7027
R1915
R1916
B
1k
0
1 2
3
4
5
6
7 8
9
19
20
18
16 15
13
12
10
TP1902
80
79
78
77
76 75
74
81
82
CPIN
83
CMIN
84
AGND
10k
85
TM4
86
VDD
0.1/16
87
DIN
YB
88
DOUT
89
DOUTB
TP1901
90
C9M
91
GND
470p YB
92
WINGT
0.1/16
93
SYST0
YB
94
SYST1
95
ADST0
96
ADST1
470p
97
TM5
YB
98
BUNRI
0.1/16
99
AGND
YB
100
AVDD
1
2
3
4
5
6
7
R1949
100
R1950
100
5
6
C1919
YB
R1921
0.1/16
4.7k
E
C
R1920
6
8
7
1k
5
4
(2/2)
IC1903
TK15420M
X1901
ASS7009
18.432MHz
73 72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
IC1901
PM4007B-K
(DEMODULATOR)
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
6
R1925
1k
Q1905
2SA1602A(EF)
C1920
E
R1923
YB
B
1k
C
0.01
C1924
0.1/16
YB
R1935
120
C1925
4.7/50
NP
R1936
47k
6
8
7
5
(2/2)
IC1902
4
BA4560RF
C1927
D1902
YB
KV1862K-G
0.01
VCXO
DB0
SD0
57
56
55
54
53
52
51
50
SD1
DB1
49
SD2
DB2
48
SD3
DB3
47
SD4
DB4
46
SD5
DB5
45
SD6
DB6
44
SD7
DB7
43
SA10
A10
42
SOE
OEB
41
SA11
A11
40
GND
39
SA9
A9
38
SA8
A8
37
SA13
A13
36
SWE
WEB
35
SA14
A14
34
SA12
A12
C1941
33
VDD
32
GND
YB 470p
31
YB
24 25 26
27 28
29
30
C1942
0.1/16
SC-09TX
7
DEMODULATOR BLOCK
C1956
ZL
100/10
C1958
0.1/16
YB
C1957
470p
YB
SA12
8
A12
SA13
A13
9
SA14
A14
10
SD0
11
I/O0
SD1
12
I/O1
SD2
I/O2
IC1905
13
GND
CY62256NLL-55ZXI
14
SD3
15
I/O3
SD4
16
I/O4
SD5
SRAM
17
I/O5
SD6
18
I/O6
SD7
19
I/O7
CE
20
SA0
A0
21
7
8
A
B
C
D
V+5DM4
SA11
A11
7
SA10
A10
6
SA9
A9
5
SA8
A8
4
SA7
A7
3
SA6
A6
2
SA5
A5
1
VCC
E
28
SWE
WE
27
SA4
A4
26
SA3
A3
25
SA2
A2
24
SA1
A1
23
SOE
OE
22
F
P
2/2
55
8

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