Hi-Fi Audio Block Diagram - Hitachi DVPF2E Service Manual

Hi-Fi Audio Block Diagram

JK101
A-IN1(R) 1
A-IN1(L) 3
A-OUT1(R) 2
A-OUT1(L) 6
JK102
A-IN2(R) 2
A-IN2(L) 6
A-OUT2(R) 1
A-OUT2(L) 3
JK751
A-OUT(R)
REAR
A-OUT(L)
CN651 CN505
9 A-IN(L)-F 9
JK652
A-IN(L)-F
10 A-IN(R)-F 10
JK651
A-IN(R)-F
FRONT JACK CBA
TU701
AUDIO 2
AFV CBA
CN701 CN1
SIF 22 2 SIF 2
IF SINAL
PROCESS
N-A-REC
TO AUDIO BLOCK N-A-PB
IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
76
75
SW
SW
ALC ALC
D.C. D.C.
69
73 R-CH
71 INSEL
51
65
67
7
11 L-CH
INSEL
9
53
CN1 CN701
4 TU-AUDIO(R) 4
NOR
5 TU-AUDIO(L) 5
SW
6
4
MAIN CBA
14
Q101
BUFFER
15
Q102
BUFFER
SW
COMP
NOISE
P
R-CH
PNR
R
LIM DEV VCO
47
48
OUTPUT
SELECT
HOLD
PULSE
13
NOISE
DET
14
LIM DEV VCO
R
L-CH
PNR
P
SW
COMP
NOISE
PB-AUDIO SIGNAL REC-AUDIO SIGNAL
IC751 (SW)
VCR
12
DVD
13
VCR
2
DVD
1
SW CTL
9 10 11
Q752
TO SYSTEM
OUTPUT SELECT
CONTROL
BLOCK
DVD-A(R)
TO DVD AUDIO
DVD-A(L) BLOCK
<DVD SECTION>
R-CH
SERIAL
38
BPF
DATA
39
DECODER
Q451
DO ENV
LPF 23
DET DET
MUTE-ON
1
80
78
MUTE-ON
77
40
79
MIX COMP 26
LPF
R
24
L-CH
LIM 31 30
BPF
27
L
DVD AUDIO SIGNAL Mode : SP/REC
IIC-BUS SDA
IIC-BUS SCL
A-MODE
TO
SERVO/ SYSTEM
CONTROL BLOCK
Hi-Fi-H-SW
CYLINDER
ASSEMBLY
CL253
Hi-Fi
Hi-Fi- A(R) 7
AUDIO
Hi-Fi -COM 8
(R) HEAD
Hi-Fi- A(L) 9
Hi-Fi
AUDIO
(L) HEAD
4-2-4