Hitachi 9305 Manuel Technique page 89

6-4 Hi-Fi Audio Block Diagram
JACK CBA
JK1402
CL2018 CL2017
4 4
A-IN2(R) 2 A-IN2(R)
5 A-IN2(L) 5
A-IN2(L) 6
1 1
A-OUT2(R) 1 A-OUT2(R)
A-OUT2(L) 3 2 A-OUT2(L) 2
JK101
A-OUT1(R) 1
A-OUT1(L) 3
A-IN1(R) 2
A-IN1(L)
6
JK751
A-OUT(R)
REAR
A-OUT(L)
JK753
A-IN(L)-F
JK754
A-IN(R)-F
TU701
AUDIO
2
AFV CBA
CN701 CN1
2
SIF 22 2 SIF
IF SINAL
PROCESS
N-A-REC
TO AUDIO BLOCK N-A-PB
32
IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
67
65
SW
SW
ALC ALC
62 70
61 71
52
56 R-CH
INSEL
54
50
58
60
2
6
10 L-CH
INSEL
8
4
12
CN1 CN701
4 TU-AUDIO(R) 4
5 TU-AUDIO(L) 5
NOR
SW
78
80
MAIN CBA
Q107
BUFFER
Q108
BUFFER
SW
COMP
NOISE
P
R-CH
PNR
R
LIM DEV VCO
47
48
OUTPUT
SELECT
HOLD
PULSE
14
NOISE
DET
15
LIM DEV VCO
R
L-CH
PNR
P
SW
COMP
NOISE
PB-AUDIO SIGNAL REC-AUDIO SIGNAL
IC751 (SW)
VCR
13
14 DVD
12
VCR
1
15 DVD
2
SW CTL
9 10 11
Q752
TO SERVO
OUTPUT-SELECT
/SYSTEM
CONTROL
BLOCK
DVD-A(R)
TO DVD VIDEO
DVD-A(L) /AUDIO BLOCK
<DVD SECTION>
R-CH
SERIAL
37
BPF
DATA
38
DECODER
DO ENV
LPF 21
DET DET
MUTE-ON
77
76
74
MUTE-ON
73
39
75
53
MIX
COMP 26
LPF
R
24
L-CH
LIM 34 33
BPF
L 27
DVD AUDIO SIGNAL
Mode : SP/REC
IIC-BUS SDA
IIC-BUS SCL
Q451
A-MODE
TO
SERVO/ SYSTEM
CONTROL BLOCK
Hi-Fi-H-SW
LINE-MUTE
(DECK ASSEMBLY)
CYLINDER
ASSEMBLY
CL251
Hi-Fi
Hi-Fi- A(R) 7
AUDIO
Hi-Fi -COM 8
(R)
HEAD
Hi-Fi- A(L) 9
Hi-Fi
AUDIO
(L)
HEAD