Hitachi DV-PF2U, Service Manual

Page: 80 / 97

4-2-4
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
NOISE
DET
STEREO
PLL
STEREO
FILTER
SAP
FILTER 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 BO
DET
MATRIX
R-CH BPF
P
R
R
L
P
R
HOLD
PULSE
NOISE
DET
ALC
31 30
23
4
80
78
37
38
39
77
1
40
26
24
27
SIF
A-IN (R)-R
A-IN (L)-R
N-A-OUT
A-IN (R)-F
A-IN (L)-F
AGC
AGC
DET
49
MUTE
A-OUT (L)
A-OUT (R)
N-A-IN
Hi-Fi-H-SW
A-MUTE
Hi-Fi/NOR-IN
51
ST/SAP-IN
MODE
OUT
SERIAL-DATA
SERIAL-CLK
Hi-Fi-CS
Hi-Fi
AUDIO
(R) HEAD
Hi-Fi
AUDIO
(L) HEAD
Hi-Fi- A(R) 7
Hi-Fi -COM 8
Hi-Fi- A(L) 9
CN251
IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
REC-AUDIO SIGNAL PB-AUDIO SIGNAL Mode : SP/REC
PILOT
CANCEL
Hi-Fi Audio Block Diagram
TO
AUDIO
BLOCK
DIAGRAM
CYLINDER
ASSEMBLY
MAIN CBA
TO AUDIO
BLOCK DIAGRAM
TO SERVO/ SYSTEM
CONTROL BLOCK
DIAGRAM
TO SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
TO SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM