— 30 —
3-14. IC BLOCK DIAGRAMS
IC400
CXA8081S (DOLBY BOARD)
IC401
CXA8079S (DOLBY BOARD)
R
B
R B
DC-RS
AGND
DC-OT
NR-R
NR-C
RS-OUT
LS-OUT
R-OUT
L-OUT
R
B
VSS
CLK
D
ATA
ENABLE
DC-LS
DC-IN
VCC
L-IN
R-IN
S-IN
VREF
FCL-IN
FCR-IN
FCLS-IN
FCRS-IN
OSC
VDD
PDM
PDM-COUT
SRA1-8K
20KH-L.P.F.
DEC
5K/7K-L.P.F.
B-NR
R-STEREO
VOL/MUTE
RS-TRIM
LS-TRIM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
INV-PHASE
R+DELAY
L+DELAY
-6dB
L+R
L-R
P
B
P
B
20K
20K
20K
20K
48
VCS2
VCS1
VCS-TH
L+R-RCT
L-R-RCT
DCUT
DCUT
R-BPF3
R-BPF2
R-BPF1
CT
-OUT2
CT
-IN2
MIXOUT
C-OUT
S-OUT
R-OUT
L-OUT
VCC
CM-CAP
FCC-IN2
ENABLE
D
ATA
CLK
OSC1
NS-BPF1
NS-BPF2
VREF
S-DCUT
C-DCUT
L-DCUT
R-DCUT
VREF-BUF
L-IN
R-IN
GND
CT
-OUT1
CT
-IN1
FCC-IN1
L-BRF1
L-BRF2
L-BRF3
DCUT
DCUT
R-RCT
VCR-TH
VCR1
VCR2
47 46 45
44 43
42
41
40
39
38
37
36
35
34
33
32
31
30 29 28
L+R-RECT
27
26
25
P.S
VCS-LOG
OSC
DEC
N-GEN
N-BPF
N-OH
DIV
BAL-DET
BALCONT
VREF
VR
VR
VCRX8
COMB-NET
CMODE
SMUTE
C-TRIM
P
B
P
B
P
B
P
B
R
B
R
B
R-B.P.F.
L-B.P.F.
L-R-RECT
R-RECT
L-RECT
VLR-LOG
DUAL-TIME
P.S
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Содержание SA-VA29
Страница 6: ...SAVA 29 8 7 3 2 SCHEMATIC DIAGRAM DOLBY SECTION See page 30 for IC Block Diagrams ...
Страница 10: ...SAVA 29 16 15 3 6 SCHEMATIC DIAGRAM POWER SECTION ...
Страница 12: ...SAVA 29 20 19 3 8 SCHEMATIC DIAGRAM POWER TRANSFORMER SECTION See page 30 for IC Block Diagrams ...
Страница 15: ...SAVA 29 26 25 3 11 SCHEMATIC DIAGRAM MAIN SECTION 1 2 See page 30 for IC Block Diagrams ...
Страница 16: ...SAVA 29 28 27 3 12 SCHEMATIC DIAGRAM MAIN SECTION 2 2 See page 30 for IC Block Diagrams ...
