Pioneer SC-68 Service Manual page 147

5
*R6929
1
C6923
NM
R6932
VCC R6926
39k 1%
2
NM
8
1
GNDCH1
R6922
IC6921(1/2)
4
0 3 UPC4570G2-A
GND
C6926
330p/50
CH
GND
IC6921(2/2)
R6923
5
4 UPC4570G2-A
100
7
GNDA 8
R6933 6 R6927
VCC 39k 1%
NM
C6924
NM
GNDCH1
*R6928
1
C6883
R6892 R6886
VCC
39k
NM 2
8
GNDCH1
R6882
4
3
0
GND
C6886
330p/50
CH
GND
IC6881(2/2)
R6883 5
4
UPC4570G2-A
100
8
R6893
6 R6887
GNDA
VCC
39k
NM
C6884
GNDCH1
*R7479
C7473
NM
R7476
VCC
R7472 39k
2
8
1
R7482
10K
1%
IC7471(1/2)
4
3 UPC4570G2-A
NM
GND
NDFHR
GND
IC7471(2/2)
R7483
5
4 UPC4570G2-A
GNDCH1
R7484
R7473
NM
7
8
10K R7477
6
100
1%
VCC 39k
GNDA
C7474
*R7478
V+12FL
*R6829
1
C6823
NM
R6826
VCC
R6822 39k 1%
2
8
R6830
1
R6832
10K
1%
IC6821(1/2)
4
3 UPC4570G2-A
NM
GND
GND
IC6821(2/2)
5
4
GNDCH1 UPC4570G2-A
R6831
R6834
R6823
R6833
7
8
NM
10K 6 R6827
100
1%
VCC
39k 1%
C6824 NM
*R6828
1
V-12FL
5
6
V+12SBR
SBR
V+12SBR
R6930
12
R6931
V+12SL
12
V-12SBR
V-12SR
V+12SR
V+12SR
*R6889
1
SR
NM
1%
R6890
1
12
IC6881(1/2)
UPC4570G2-A
R6891
7 12
1%
NM
*R6888
1
V-12SR
V+12FHR
1
V-12FHR
FHR
V+12FHR
1%
R7480
12
R7481
12
V-12C
1%
V+12C
NM
1
V-12FHR
V-12FL
V+12FL
FL
12
12
6
V-12SBL
V+12SBL
V-12SBR
KN6801
CKF1089-A
1
CN6802
V-12SL
GNDCH1
V-12FHL
V+12FHL
CN6803
AKM7107-A
V-12FR
V+12FR NOTE
Unit: k-k
Rated Power: 1/16w 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,CH:CCSRCH
3. NM: No Mount
SC-68
7
IR BUFFER ASSY
R
(AWX1170)
Q
KN6962
AKM7107-A
GNDCH
1
V-12SBL
2
V+12SBL
3
GNDSBL
4
SBL-
5
SBL+
6
V-12SBR
7
V+12SBR
8
GNDSBR
9
SBR-
10
P
SBR+
11
V-12SL
12
CN3801
V+12SL
13
GNDSL
14
SL-
15
SL+
16
V-12SR
17
V+12SR
18
GNDSR
19
SR-
20
SR+
21
22 V-12FHL
V+12FHL
23
1 GNDFHL
FHL-
2
FHL+
3
V-12FHR
4
V+12FHR
5
GNDFHR
6
FHR-
7
FHR+
8
V-12C
9
V+12C
10
P
GNDC
11
C-
12
C+
13
CN3802
V-12FL
14
V+12FL
15
GNDFL
16
FL-
17
FL+
18
V-12FR
19
V+12FR
20
GNDFR
21
FR-
22
FR+
23
, M-M or unless otherwise noted.
: Audio Signal Route
7
8
A
B
C
D
E
F
R
147
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