Pioneer Elite SC-81, Service Manual

Page: 10 / 174

10
SC-82
1 2 3 4
A
B
C
D
E
F
1 2 3 4
10. 3 AUDIO ASSY (2/2)
A
2/2
A_A_PRE_ S W1
A_A_PRE_ S W2
A_A_PRE_FR
A_A_PRE_FL
A_A_PRE_C
A_A_PRE_ S BR
A_A_PRE_ S BL
A_A_PRE_ S R
A_A_PRE_ S L
A_A_PRE_FHFWR
A_A_PRE_FHFWL
A_A_PRE_FHFWL A_A_PRE_FHFWR
A_A_PRE_C
A_A_PRE_FR
A_A_PRE_
S
BL
A_A_PRE_FL A_A_PRE_
S
L
A_A_PRE_
S
R
A_A_PRE_
S
BR
PREOUT
AMUTE
S BMUTE
FHMUTE
PRE S EL
V-12_A
V+12_A
V-7_A
V-12_A
V+7_A
V+7_A
V+12_A
V+12_A
V-12_A
V+7_A
V+7_A
V-7_A
*R
3
226
100k
*R670
3
100k
*R6704
100k
*R
3
225
100k
*R 3 154
NM
*R
3
10
3
0
*R
3
20
3
0
R 3 092
NM
*R
3
204
0
R 3 09 8
NM
R
3
051
0
*R 3 202
0
*R 3 151
0
*R6799
NM
*R6 8 00
NM
*R
3
15
3
0
R 3 156
0
R 3 099
NM
*R
3
25
3
0
R 3 094
NM
*R
3
221
47k
*R
3
222
47k
*R 3 252
0
*R 3 9 8 0
0
R
3
052
0
*R6797
NM
*R679
8
0
*R 3 206
22
*R 3 205
22
*R
3
274 NM
R 3 152
0
R 3 100
NM
*R 3 101
0
*R6741
0
*R
3
104
0
*R6740
NM
*R 3 227
10
*R6707
NM
R 3 09 3
NM
*R 3 272
33 0
*R
3
254
0
R 3 091
NM
*R6702
NM
*R6701
47k
*R 3 102
0
*R6706
33 0
*R6705
33 0
*R670
8
NM
R 3 095
NM
R 3 097
NM
R 3 096
NM
*R 3 201
0
*R
3
224 NM
*R
3
22
3
NM
*R 3 251
0
*R 3 271
33 0
*R
3
27
3
NM
DTC124EUA
*Q 3 222
NM
*Q6706
DTC115EUA
*Q 3 221
3
2
3
2
*
5
6
*
3
2
*IC 3 151
NM
5
4
V-
6
7
8
V+
*IC 3 151
NM
3
4
V-
2
1
8
V+
*IC 3 101
NM
5
4
V-
6
7
8
V+
*IC 3 101
NM
3
4
V-
2
1
8
V+
5
6
5
6
3
2
5
6
TC4052BFT
*IC 3 221
0Y
1
2Y
2
Y-COM
3
3 Y
4
5
1Y
6
1NH
7
VEE
8
V SS
9
B
10
A
11
3 X
12
0X
1 3
X-COM
14
1X
15
2X
16
VDD
GNDA
GNDA
GNDA
GNDA
GNDA
GNDA
C
3
116 NM
C
3
9
3
7
NM
C67
3
1
NM
C
3
9
3
9
NM
C
3
202 NM
C
3
060 NM
C
3
059 NM
C
3
201 NM
*C
3
154
NM
CFHX
C
3
271 NM
C
3
102 NM
C
3
272 NM
*C
3
104
NM
CFHX
C
3
115 NM
C
3
166
NM
C
3
252 NM
C
3
251 NM
*C
3
15
3
NM
CFHX
C
3
165 NM
C
3
151 NM
C
3
101 NM
*C
3
056 NM
*C
3
10
3
NM
CFHX
C
3
225 NM
*C
3
055 NM
*C
3
221 NM
CFHX
*C
3
222
NM
CFHX
C
3
052
NM
C
3
051 NM
100u/16
*C
3
05
3
22u/50
C 3 106
NM
C 3 21 8
NM
C 3 217
100u/16
*C
3
054
22u/50
*C 3 155
22u/50
C 3 105
AKP7251-A
*CN3051
GNDA
1
S
BL OUT
2
GNDA
3
S
BR OUT
4
GNDA
5
FH/FWL OUT
6
GNDA
7
FH/FWR OUT
8
GNDA
9
FL OUT
10
GNDA
11
C OUT
12
GNDA
1
3
FR OUT
14
GNDA
15
S
L OUT
16
GNDA
17
S
R OUT
1
8
GNDA
19
GNDA
20
GNDA
21
V-7_A
22
V+7_A
2
3
PRE
S
EL(W/XF)
24
*CN3052
NM
GNDA
1
S
B/FHL OUT
2
GNDA
3
S
B/FHR OUT
4
GNDA
5
FL OUT
6
GNDA
7
C OUT
8
GNDA
9
FR OUT
10
GNDA
11
L
S
OUT
12
R
S
OUT
14
GNDA
15
GNDA
16
GNDA
17
V-7_A
1
8
V+7_A
19
GNDA
1
3
PRE
S
EL(W/XF)
20
*R2777
0
*R277 8
0
*R2779
0
*R27 8 0
0
*R27 8 1
0
*R27 8 2
0
*R27 83
0
*R27 8 4
0
*R27 8 5
0
*R27
8
6
0
*R27
8
7
0
R27
88 0
R27
8
9
0
R2790
0
R2791
0
R2792
0
R279
3
0
R2794
0
S OUND
H
S EL-L
L
PRE S EL
S EL-H/MID
INPUT<->
ZONE
3 OUT
p a ttern A
ZONE2<->
ZONE
3 OUT
p a ttern A
ZONE2<->
ZONE
3 OUT
p a ttern A
PRE BUFFER
FHL/FHR
S BL/ S BR
FWL/FWR
FHL/FHR
(1/2)
(2/2)
(1/2)
(2/2)
(p4 D-1)
1. RE S I S TOR S
Unit: k-k , M-M or unless otherwise noted.
R a ted Power: 1/10w unless otherwise noted.
Toler a nee: (J)5% unless otherwise noted.
2125 : R S 1/ 8S Q
NO MARKED : R S 1/10 S R
2. CAPACITOR S
No m a rked Cer a mic C a p a citors a re CK S RYB.
No m a rked Electrolytic C a p a citers a re CEAT(V S X a nd V S A series)
No m a rked Electrolytic C a p a citers a re CEAK( S C series)
CH:CC S RCH CFHX:CFHX S Q unless otherwise noted.
Unit: p-pF or u-uF unless otherwise noted.
R
a tings: C a p a city(F)/Volt a ge(V) unless otherwise noted.
1000p or less : CC S RCH, Over 1000p : CK S RYB
3 . NM: No Mount
NOTE
A
1/2
A
1/2
CN6954
AB
A
1/2
!
with s a me p a rts (s a fety regul a tion a uthorized) of identic a l design a tion.
m a rk found on some component p a rts should be repl a ced The