48
47
13
14
53
65
67
69
73
6
7
11
51
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
LIM
DEV
COMP
SW
NOISE
VCO
LPF
LIM
DEV
COMP
COMP
SW
NOISE
ENV
DET
DO
DET
MIX
R-CH BPF
P
R
R
L
P
R
HOLD
PULSE
NOISE
DET
ALC
31
30
23
80
2
78
38
39
40
26
24
27
N-A-REC
TU-AUDIO
TU701
AUDIO
SIF
LIM
MUTE
4
N-A-PB
Hi-Fi-H-SW
A-MODE
TO AUDIO BLOCK
I2C-BUS SDA
I2C-BUS SCL
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
HC480BLH
REC-AUDIO SIGNAL
PB-AUDIO SIGNAL
Mode : SP/REC
JACK CBA
AFV CBA
JK101
A-IN1(R)
A-IN1(L)
2
6
2
6
1
3
1
3
JK102
CL151
CL152
CL101
CL102
A-IN2(R)
A-IN2(L)
A-OUT1(R)
A-OUT1(L)
A-OUT2(R)
A-OUT2(L)
" " = SMD
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
TU-AUDIO(R) 4
TU-AUDIO(L) 5
4
5
CN701
CN1
SIF
2
TU-AUDIO 1
2
1
CN701
CN1
2
21
22
D.C.
ALC
SW
SW
ALC
D.C.
76
75
A-IN2(R)
9
A-IN2(L)
8
9
8
A-OUT2(R) 6
A-OUT2(L) 11
6
11
A-IN1(R)
10
A-IN1(L)
8
10
8
A-OUT1(R) 6
A-OUT1(L) 12
6
12
Q451
1-9-17
1-9-18
JK758
A-IN(R)
JK757
A-IN(L)
71
9
FRONT
REAR
S,T,U
Comparison Chart of
Models & Marks
Model
Mark
VR830/02
VR830/07
VR830/16
S
T
U
VR830/39
V
JK751
A-OUT(R)
A-OUT(L)
