Sanyo DCS-AVD8501 Service Manual page 46

IC BLOCK DIAGRAM & DESCRIPTION
IC435 M62464FP (Dolby Pro Logic Surround Decorder with Discrete 5.1 ch Analog Input)
ECHOOUT
BNRIN
DEC1
DBC2
DBC3
PSC3
PSC6
PSC2
PSC5
PSC1
PSC4
RLC5
RLC2
RLC1
RLC4
RLC7
RLC3
RLC8
RLC6
LBPF2
LBPF1
RBPF2
RBPF1
40 39 38 37 36 35
DELAY
LPF D/A
VOL
41
2
42
1 DC-SW
43
44
45
46
F.B.
VOL
47
48
49
BNR-SW
50
1
2
51
3
52
53 CENTER MODE
CONTROL
54
L R C S'
55
CONBINING
56
NETWORKS
57
VCA
58
59
60
61
62
SELECTOR
63
NOISE
ABL 64
VREF
SEQUENCER
AVcc
65 66 67 68 69 70
34 33 32 31 30 29 28 27
A/D LPF
LOGIC
10kbit
SRAM
DI-SW
1
4
2 3
SW-SW
L+R
L-R
2
2
1
SR-SW
3
2
C
1
R
3
2
L
1
SL-SW
R-SW
5
4
+/-
3
2
1
5
4
2
3
2
1
1
C-SW
L-SW
IREF
71 72 73 74 75 76 77 78
- 61 -
26 25
DVss
24 REQ
23 SCK
22 DATA
21 DV
DD
20 MICIN
19 AGND
18 CMC
SWBP-SW
2
17 SWVOLOUT
1
16 SWVOLIN
SW
15 SWOUT
14 SRVOLOUT
13 SRVOLIN
SR
12 SROUT
SL
11 SLOUT
10 SLVOLIN
9 SLVOLOUT
8 PSRIN
7 PSLIN
6 SOUT
C
5 COUT
4 CVOLIN
3 CVOLOUT
R
2 ROUT
L
1 LOUT
79 80
+/-