Dac High Assy (2/2) (Sc-37) - Pioneer SC-37 Service Manual

1

10.5 DAC HIGH ASSY (2/2) (SC-37)

QQ
3 7 63 1515 0
A
MAIN DAC(FL/FR)
IC2011
1 30
DACS R2212 100
SUMTE/CSN LRCK/DSDR
2 29
SD/CAD0 SDATA/DSDL/DINL
DASCK 100 3 28
R2213
DEM0/CCLK BICK
100 4 27
DASO R2214
DEM1/CDTI PDN
5 26
DIF0/CAD1 DVDD
6 25
DIF1/DZFL VSS4
7 24
DIF2/DINR MCLK
8 23
PSN AVDD
9 22
TST2/DZFR VSS3
10 21
AOUTRP AOUTLP
11 20
AOUTRN AOUTLN
12 19
VSS1 VSS2
13 18
VDDR VDDL
14 17
R2286
0
VREFHR VREFHL
15
16
VREFLR VREFLL
AK4480EF
B
C2281
470p/50
C2282
0.1u/16
R2284 GNDD
NM
XDARST
MAIN DAC(C/SW)
IC2012
1 30
DACS R2215 100
SUMTE/CSN LRCK/DSDR
2 29
SD/CAD0 SDATA/DSDL/DINL
3 28
DASCK R2216 100
DEM0/CCLK BICK
DASO 100 4 27
R2217
DEM1/CDTI PDN
5 26
DIF0/CAD1 DVDD
6 25
DIF1/DZFL VSS4
7 24
DIF2/DINR MCLK
8 23
PSN AVDD
9 22
TST2/DZFR VSS3
10 21
AOUTRP AOUTLP
11 20
AOUTRN AOUTLN
C
12 19
VSS1 VSS2
13 18
VDDR VDDL
14 17
R2292 0
VREFHR VREFHL
15 16
VREFLR VREFLL
AK4480EF
C2283
470p/50
C2284
0.1u/16
TE R2288 GNDD
L 13942296513
NM
XDARST
MAIN DAC(SL/SR)
IC2013
DACS 100 1 30
R2242
SUMTE/CSN LRCK/DSDR
2 29
SD/CAD0 SDATA/DSDL/DINL
3 28
DASCK R2243 100
DEM0/CCLK BICK
4 27
DASO R2244 100
DEM1/CDTI PDN
5 26
DIF0/CAD1 DVDD
6 25
DIF1/DZFL VSS4
7 24
DIF2/DINR MCLK
8 23
PSN AVDD
D 9 22
TST2/DZFR VSS3
10 21
AOUTRP AOUTLP
11 20
AOUTRN AOUTLN
12 19
VSS1 VSS2
13 18
VDDR VDDL
14 17
0
R2298
VREFHR VREFHL
15
16
VREFLR VREFLL
AK4480EF
C2289
470p/50
GNDDA
C2290
0.1u/16
GNDD
R2296
NM
XDARST
MAIN DAC(SBL/SBR)
IC2014
1 30
DACS R2245 100
SUMTE/CSN LRCK/DSDR
2 29
SD/CAD0 SDATA/DSDL/DINL
3 28
DASCK R2246 100
DEM0/CCLK BICK
DASO 100 4 27
R2247
DEM1/CDTI PDN
5 26
E
DIF0/CAD1 DVDD
6 25
DIF1/DZFL VSS4
7 24
DIF2/DINR MCLK
8 23
PSN AVDD
9 22
TST2/DZFR VSS3
10 21
AOUTRP AOUTLP
11 20
AOUTRN AOUTLN
12 19
VSS1 VSS2
13 18
VDDR VDDL
14 17
R2303 0 VREFHR VREFHL
15 16
VREFLR VREFLL
AK4480EF
C2291
470p/50
C2292
www
0.1u/16
GNDD
R2301
NM
F
B
2/2
124
1
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2
R2011 220
R2013 330
100
R2014
V+5_D
100
R2248 L2009
R2256
QTL1013-A
NM
R2029
V+5_DA
L2015
47
QTL1013-A
R2283
0
R2281
R2282 0
NM
C2188
0.01u/50
GNDDA
YB
R2129 100
R2204 330
R2205 100
V+5_D
L2010
R2257
QTL1013-A
NM
R2252
V+5_DA
L2016
47
QTL1013-A
R2290
0
0 R2287
R2289
NM
C2190
GNDDA
0.01u/50
YB
100
R2206
680
R2207
V+5_D
R2208 100
L2012
R2260
QTL1013-A
NM
V+5_DA
R2253
L2017
47
QTL1013-A
R2295
0
R2294 R2293
0 NM
C2192
0.01u/50
YB
R2209 100
R2210 680
R2211 100
V+5_D
L2013
R2261
QTL1013-A
NM
R2254
L2018 V+5_DA
47
QTL1013-A
R2302
0
R2299
R2300
0
NM
C2195
GNDDA
0.01u/50
YB
x ao
y
: Audio Signal Route
. i
NOTE
1. RESISTORS
Unit: k-k , M-M or unless otherwise noted.
Rated Power: 1/16w or NETWORKS-1/32w unless otherwise noted.
Toleranee: (J)5% unless otherwise noted.
2. CAPACITORS
Unit: p-pF or u-uF unless otherwise noted.
Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
YB:CKSRYB, QYB:CKSQYB, SYB:CKSSYB, CH:CCSRCH, SCH:CCSSCH
AT:CEAT, ZL:CEHAZL, QHX:CFHXSQ
3. NM: No Mount
2
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3
R2032
2.2k
R2034
2.2k
R2030 R2042
120 2.4k
R2031 R2043
2.4k
120
R2035
2.2k
R2033
2.2k
R2070
2.2k
R2072
2.2k
DALRCK
R2068 R2074
CADA
330 1.8k
DABCK
R2069 R2075
4.7k
270
R2073
2.2k
R2071
2.2k
Q Q
3 6 7
R2100
2.2k
DALRCK
SADA
DABCK
R2102
2.2k
R2098 R2104
330 1.8k
R2099 R2105
1.8k
330
R2103
2.2k
R2101
2.2k
R2132
DALRCK
2.2k
BADA
DABCK
R2139
2.2k
R2130 R2147
330 1.8k
R2131 R2149
1.8k
330
R2146
GNDA
2.2k
R2138
2.2k
u163
SC-37
3
4
2 9 9 4
8
FL/FR LPF
R2044 R2056
2.4k 120
V+12_A
R2046 C2044
1.8k 330p/50 CH
R2058
RNB4580F
IC2003 R2062
2 0
8
C2050 220
1
R2050
NM
4
3
1.8k
(1/2)
R2064
0
0
(2/2)
R2065
IC2003
R2055
5
4
C2053
1.8k
7
NM
8 220
6
R2063
R2059
RNB4580F
0
R2047 C2045
CH
330p/50
1.8k
V-12_A
R2045 R2057
2.4k 120
GNDLPF1
C/SW LPF
R2076 R2082
1.8k 330
V+12_A
R2078 C2078
2.2k 330p/50 CH
RNB4580F
C2082
IC2005 R2092
2
8 10u/50 220
1
R2080
4
3
2.2k
(1/2)
R2094
0
0
(2/2)
R2095
IC2005
R2081
5
4
1.3k
7 C2083
220
8
6 R2093
10u/50
RNB4580F
R2079 C2079
CH
1.3k 220p/50
V-12_A
R2077 R2083
4.7k 270
GNDLPF2
1 3 1 5 0 5 8 2 9
SL/SR LPF
R2106 R2112
1.8k 330
V+12_A
R2108 C2094
2.2k 330p/50 CH
RNB4580F
C2098
IC2006 R2123
2
8 10u/50 220
1
R2110
4
3
2.2k
(1/2)
R2125
0
0
(1/2)
R2126
IC2006
R2111
5
4
2.2k
7 C2099 220
8
R2124
6
10u/50
RNB4580F
R2109 C2095 CH
2.2k 330p/50
V-12_A
R2107 R2113
GNDLPF3
1.8k 330
SBL/SBR LPF
R2150 R2170
1.8k 330
V+12_A
R2166 C2111
CH
2.2k 330p/50
RNB4580F
C2116
IC2007 R2191
2
220
8 10u/50
1
R2168
4
2.2k 3
(1/2)
R2200
0
0
IC2007
R2201
(2/2)
R2169 5
4
2.2k
7 C2117
220
8
6 R2198
10u/50
RNB4580F
R2167 C2113
2.2k 330p/50 CH
V-12_A
R2165 R2188
GNDLPF4
1.8k 330
m
co
.
The mark found on some component
parts should be replaced with same
parts (safety regulation authorized)
of identical designation.
4
2 8
9 9
A_ADAFLOUT
A_ADAFROUT
GNDDAS
A_ADACOUT
F96
F19
AD
AD
AD
AD
A_ADASWOUT
XA
9 4 2 8 9 9
A_ADASLOUT
ZD
ZM
A_ADASROUT
ZBC
ZFA
ZLR
XZ2
A_ADASBLOUT
A_ADASBROUT
R2199
NM
C2180
NM
GNDADS