Pioneer XR-A770 Service Manual page 60

Stereo cd cassette deck receiver
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XR-A770
LV1035M (PRO LOGIC ASSY : IC3701)
• Dolby Pro Logic Decoder IC
Block Diagram
48
47
46
L-BPF3
49
DCOUT3
50
R-RECT
51
DCOUT4
52
L-RECT
53
VLR-TH
54
VLR-1
55
VLR-2
56
VCS-2
57
VCS-1
58
VCS-TH
59
L+R-RECT
60
DCOUT2
61
L-R-RECT
62
DCOUT1
63
R-BPF3
64
1
2
3
60
45
44
43
42
41
A
B
A
B
SW2
SW2
4
5
6
7
8
40
39
38
37
36
SW7
A
B
23PIN
15PIN
SW4
S C
D
B
A
B
SW7
SW7
A
B
A
B
SW4
SW3
A
B
A
B
SW6
SW5
SW7
A
9
10
11
12
13
35
34
33
32
OSC
31
OSC
30
V
DD
29
A/D
28
NS
27
D/A
26
DC-OUT
25
DC-OUT
B
SW7
L
24
L-OUT
A
B
SW7
23
R
R-OUT
A
22
S
S-OUT
21
GND
SW7
A
B
20
IREF
A
B
A
B
SW7
19
DET
18
V
CC
SW7
17
DELAY-OUT
B
A
B
14
15
16

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