1-12-4
Hi-Fi Audio Block Diagram
E8B23BLH
46
45
4
5
53
R-CH
INSEL
L-CH
INSEL
IF SINAL
PROCESS
NOR
SW
SERIAL
DATA
DECODER
OUTPUT
SELECT
VCO
LPF
L-CH
BPF
R-CH
PNR
L-CH
PNR
ALC
ALC
DEV
COMP
SW
NOISE
VCO
LPF
LIM
DEV
COMP
COMP
SW
NOISE
Hi-Fi
DET
DO
DET
MIX
R-CH
BPF
P
R
R
L
P
R
HOLD
PULSE
NOISE
DET
18
19
17
58
59
56
31
32
35
55
26
8
22
25
N-A-REC
AGC
54
N-A-PB
AUDIO-IN-F
Hi-Fi-H-SW
AUDIO-MUTE-H
A-MODE
TO AUDIO
BLOCK DIAGRAM
IIC-BUS SDA
IIC-BUS SCL
TO
SERVO/ SYSTEM
CONTROL BLOCK
DIAGRAM
TO
SERVO/ SYSTEM
CONTROL BLOCK
DIAGRAM
MAIN CBA
7
Hi-Fi
-COM
8
9
CN253
IC451
(MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
REC-AUDIO SIGNAL
PB-AUDIO SIGNAL
Mode : SP/REC
DVD AUDIO SIGNAL
AFV CBA
TU-A
UDIO(R)
4
TU-A
UDIO(L)
5
4
5
CN701
CN1
CN701
CN1
TU701
(TUNER UNIT)
SIF OUT
AUDIO IN
22
2
MUTE-ON
MUTE-ON
REAR
TO DVD VIDEO/AUDIO
BLOCK DIAGRAM
<DVD SECTION>
FRONT
JK756
AUDIO(R)
-IN1
AUDIO(R)
-IN2
AUDIO(L)
-IN1
AUDIO(L)
-IN2
JK751
IC751
(OUTPUT SELECT)
12
13
14
15
2
1
11
10
9
SW CTL
VCR
DVD
VCR
DVD
OUTPUT-SELECT
TO DVD VIDEO
/AUDIO BLOCK
DIAGRAM
<DVD SECTION>
44
47
6
49
63
Hi-Fi
AUDIO
(R)
HEAD
Hi-Fi
AUDIO
(L)
HEAD
CYLINDER
ASSEMBLY
(DECK ASSEMBLY)
Q771
Q770
AUDIO(L)-MUTE
AUDIO(R)-MUTE
SIF
2
2
JK752
61
52
REAR
JK755
JK754
REAR
57
ALC
MU
+
48
3
2
LIM
AUDIO(R)
-OUT2
AUDIO(L)
-OUT2
AUDIO(R)
-OUT1
AUDIO(L)
-OUT1
DVD-AUDIO(R)-OUT
DVD-AUDIO(L)-OUT
Hi-Fi-
A
UDIO(R)
Hi-Fi-
A
UDIO(L)
TP752
A-OUT
TP754
Hi-Fi-OUT-L
“
“ = SMD
NO
TE FOR
WIRE CONNECT
ORS:
1.
PREFIX SYMBOL "CN" MEANS CONNECT
OR.
(CAN DISCONNECT AND RECONNECT
.)
2.
PREFIX SYMBOL "CL" MEANS
WIRE-SOLDER
HOLES OF
THE PCB
.
(WIRE IS SOLDERED DIRECTL
Y
.)