Main Digital Assy (7/8) - Pioneer SC-LX90 Service Manual

1
10.22 MAIN DIGITAL ASSY (6/8)
A
V+15A
B
C
D
V-15A
E
F
O
6/8
O
7/8
46
1
2
6
4
-
C601
R601
7
5 6.8k 1%
ACH7198
+
8
47/25
uPC4570G2
(2/2)
IC603
E
R607
IMX25
Q601 B
22k
C
C2
R608
Q601 B2
IMX25
22k
E2
IC603 (1/2)
uPC4570G2
4
+
R602
C602
3
1
6.8k 1% ACH7198
-
8
2
47/25
6
4
- C701
R701
7
5 6.8k 1% ACH7198
+
8
47/25
uPC4570G2
IC703 (2/2)
E
R707
IMX25
Q701 B
22k
C
C2
R708
Q701 B2
IMX25
22k
E2
IC703 (1/2)
uPC4570G2
ACH7198
4
+
R702 C702
3
1
6.8k 1%
-
8
2
GNDASP
1 3 5 7 9 11 13 15 17
2 4 6 8 10 14 16
12
V
3/3
CN8006
2
3
O
7/8
C603
100p
CH
R613 R615
3.9k 1% 820 1%
R611
6
4
-
2.7k 1% 7
5
+
8
IC601 (2/2)
NJM2068MD
(1/2)
IC601
NJM2068MD
4
+
3
R612
1
-
8
2
2.7k 1%
R614 R616
3.9k 1% 820 1%
C604
100p CH
C703
100p
CH
R713 R715
3.9k 1% 820 1%
R711
6
4
-
2.7k 1% 7
5
+
8
NJM2068MD
IC701 (2/2)
NJM2068MD
IC701 (1/2)
4
47/25 +
3
GNDASP
R712
1
-
8
2
2.7k
1%
R714 R716
GNDA
3.9k 1% 820 1%
V+15A
C704
100p CH
V-15A
GNDD
19
CKS1764
18 20
CN971
SC-09TX
3
4
V+15A
Q971 (2/2)
E2 RT3T22M
B2
C
C2
E
C609
stby
R619
V-15A
GNDD
3.9k 1%
R617
6
4
-
C611
3.9k 1% 7
5 ACH7196
+
8
10/50
IC602 (2/2)
C613
NJM2068MD
ACH7196
10/50
R659
0
C629
IC602 (1/2)
C614
NJM2068MD
ACH7196
10/50
4
+
C612
3
R618
1
ACH7196
-
8
2
10/50
3.9k 1%
R620
3.9k 1%
C610
stby
C709
stby
R719
3.9k 1%
R717
6
4
-
C711
3.9k 1% 7
5 ACH7196
+
8
10/50
(2/2)
IC702
C713
NJM2068MD
ACH7196
10/50
R759
0
C729
R760:0
IC702 (1/2)
C714
NJM2068MD
ACH7196
10/50
4
+
C712
3
R718
1
ACH7196
-
8
2
10/50
3.9k 1%
R720
3.9k 1%
C710
stby
O
3/8
4
Q971 (1/2)
RT3T22M
B
D6
MC2848-1
R621
22
R623
22
D6
MC2846
R629
10k 1%
R630
10k 1%
D6
MC2846-1
R624
22
R622
22
D6
MC2848
D7
MC2848
R721
22
R723
22
D7
MC2846
R729
10k 1%
R730
10k
1% D7
MC2846
R724
22
R722
22
D7
MC2848
XM
GNDD
1
2