Pioneer SC-37 Service Manual page 123

5
QQ
3 7 63 1515 0
S
O
XXM
TE
L 13942296513
DIRPOW
R2115
DSPSCK
100
RYAC
DSPSO R2119
100
GNDD
00k
00k
00k
00k
5_D
www
.
AB
CN3783
5
http://www.xiaoyu163.com
V+3R3_D
SYB
L2019
C2027 0.1u/10
QTL1013-A
C2227 470p/50
SCH
IC2021
1 16
SEL VCC
2 15
1A ST
3 14
R2220 47
1B 4A
4 13
R2221 100
1Y 4B
R2222 5 12
100
2A 4Y
R2223 6 11
220
2B 3A
7 10
R2224 220
2Y 3B
8 9
GND 3Y
TC74LCX157FK
GNDD
V+3R3_D6
V+3R3_D
SYB
L2102
C2106 0.1u/10
QTL1013-A
470p/50
C2112
SCH
IC2106
TC74VHC126FK
VCC
G
R2116
A Y DIRSCK
22
GND
IC2106
VCC
TC74VHC126FK
G
R2117
A Y DASCK
22
GND
IC2106
VCC
G
TC74VHC126FK
A Y R2118
22 DIRSO
GND
IC2106
VCC
G
TC74VHC126FK
R2120
A Y DASO
22
GND
R2155 100k
R2156 100k R2171 100k
R2157 100k R2172 100k
R2158 100k R2173 100k
R2159 100k R2174 100k
R2160 100k R2175 100k
R2161 100k R2176 100k
R2162 100k R2177 100k
R2163 100k R2178 100k
R2164 100k R2179 100k
R2280 100k
x ao
y
i
GNDD
http://www.xiaoyu163.com
6
8
V+3R3_D
DAMCK
FDBCK
FLRCK
Q Q
3 6 7 1 3
DABCK
DALRCK
DAMCLK
V+3R3_D4
NM
R2036
1 8
ICLK NC
R2037
NM 2 7
VDD1 CLK1
NM
3 6
GND1 VDD2
4 5
CLK2 GND2
IC2008
u163
.
AB
CN3781
SC-37
6
7
2 9 9 4 2 8
DAC HIGH ASSY (1/2)
B
1/2
(SC-37: AWX9622)
A/D GATE
V+3R3_D2
L2007
C2047 0.1u/10 SYB
QTL1013-A
C2046 470p/50 SCH
14
1
3 R2085 47
R2088
2
100 7 IC2010
(1/4)
TC74VHC08FK
14
4
6 R2086
100
5
7
IC2010 (2/4)
TC74VHC08FK
14
9
8 R2087
47
R2084
10
7
47 IC2010 (3/4)
TC74VHC08FK
14
12
R2089
11
100
13
7
IC2010
(4/4)
TC74VHC08FK
V+3R3_D3
V+3R3_D
C2033
L2008
0.1u/10 SYB
QTL1013-A
C2032
470p/50 SCH
IC2004 (1/4)
TC74LCX08FK
14
1
R2487
3
100
R2048
2
7
47
IC2004 (2/4)
TC74LCX08FK
14
4
R2488
6
100
5
7
IC2004 (3/4)
TC74LCX08FK
14
9
R2489
8
150
R2049
10
7
100
IC2004
(4/4)
TC74LCX08FK
14
12
R2490
11 82
R2469
13
7
330
1 5 0 5 8 2 9 9 4
V+3R3_D
V+3R3_D7
C2429
L2014
0.1u/10 SYB
C2430 QTL1013-A
330p/50 SCH
14
1
IC2016
3
R2439
(1/4)
2
7
100 TC74LCX08FK
14
4
6
R2470
IC2016
5
7
470
(2/4)
TC74LCX08FK
14
9
8
IC2016
R2399
(3/4)
10
7
TC74LCX08FK
330
R2494
14
NM
12
11
R2400 IC2016
(4/4)
13
7
TC74LCX08FK
330
R2495
NM
V+3R3_D V+3R3_D
R2041
DAZDB V+3R3_D5
NM
SYB
C2031 NM
C2040 SCH
NM
IC2009
R2038
NM
1 8
A VCC
R2039
2 7
B ST
NM
3 6
Y SELECT
R2040
4 5
GND
Y
NM
NM
R2180 100k
R2181 100k
R2182 100k
R2183 100k
R2184 100k
R2185 100k
R2186 100k
R2187 100k
m
R2241 NM
MSPDIF
co
7
8
9 9
A
B
2/2
ADMCLK
ADLRCK
ADBCK
ADFADAT
B
DIRMCKI
DIRDATI
DIRBCK
DIRDATO
DIRLRCK
DIRMCKO
FDMCK
GNDDA
SDMCK
C
FDBCK GNDDA
FLRCK
2 8 9 9
R2441
DABCK
100
R2442
DALRCK
100
R2496
FADA
68
R2497
CADA
68
D
E
F
B
1/2
123
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