57
48
47
13
14
69
71
6
7
9
R-CH
INSEL
L-CH
INSEL
NOR
SW
SERIAL
DATA
DECODER
OUTPUT
SELECT
VCO
LPF
L-CH BPF
R-CH
PNR
PILOT
DET
CONT
STEREO
PLL
STEREO
FILTER
SAP
FILTER
SAP
DET
SIF
DEMOD
SAP
DEMOD
L-R
DEMOD
ST/SAP
SW
MATRIX
L-CH
PNR
LIM
DEV
COMP
SW
NOISE
VCO
LPF
LIM
DEV
COMP
COMP
DC
SW
NOISE
dBX
DEC
ENV
DET
MODE
OUT
RIPPLE
FILTER
DO
DET
MATRIX
R-CH BPF
P
R
R
L
P
R
HOLD
PULSE
NOISE
DET
ALC
34
33
23
4
80
2
78
37
38
54
77
1
39
26
24
27
SIF
A-IN(R)
A-IN(L)
N-A-OUT
A-IN(R)-F
A-IN(L)-F
LIM
49
MUTE
A-OUT (L)
MOD-A
A-OUT (R)
N-A-IN
Hi-Fi-H-SW
A-MUTE-H
NORMAL-H
40
ST/SAP-MODE
TO AUDIO BLOCK
IIC-BUS SDA
IIC-BUS SCL
P-ON+9V
TO SERVO/SYSTEM
CONTROL BLOCK
Hi-Fi
AUDIO
(R) HEAD
Hi-Fi
AUDIO
(L) HEAD
CYLINDER
ASSEMBLY
MAIN CBA
Hi-Fi-
A(R)
7
Hi-Fi
-COM
8
Hi-Fi-
A(L)
9
CL253
IC451
(MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
Hi-Fi Audio Block Diagram ( DCV603 )
HD441BLH
1-8-7
1-8-8
REC-AUDIO SIGNAL
PB-AUDIO SIGNAL
Mode : SP/REC
PILOT
CANCEL
FROM/TO
AUDIO BLOCK
FROM/TO
SERVO/ SYSTEM
CONTROL BLOCK
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
62
63
