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Audio Block Diagram ( Y )
"
" = SMD
Comparison Chart of Models & Marks
Model
Mark
Model
Mark
VR530/58
W
VR830/58
AB
VR630/58
X
VRQ45/16
AC
VR330/58
Y
VRQ45/39
AD
VR730/58
Z
VRQ45/58
AE
VR732/58
AA
JACK CBA
JK101
A-IN1(R)
2
CL101
8
A-IN1(L)
6
A-IN1
6
A-OUT1
A-OUT1(R)
1
A-OUT1(L)
3
(DECK ASSEMBLY)
ACE HEAD ASSEMBLY
CL287
A-PB/REC
4
AUDIO
HEAD
A-COM
3
AUDIO
AE-H
1
ERASE
AE-H/FE-H
2
HEAD
FE HEAD
FULL
ERASE
HEAD
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.)
TU701
TU-AUDIO
21
CL151
8
6
+5V
Q401
CL504
4 A-PB/REC
Q402
3 A-COM
BIAS
1 AE-H
OSC
2 AE-H/FE-H
Q406
Q404
(PB=ON)
SWITCHING
D-REC-OFF
Q403
CL501
2 FE-H
1 FE-H-GND
Q405
(PB=ON)
1-9-19
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.
MAIN CBA
IC301 (AUDIO SIGNAL PROCESS)
TUNER
13
IN1
15
PB-ON
5
EQ
8
9
AMP
6
SP/LP-ON
7
1
AUTO
3
100
BIAS
2
+5V
PB-AUDIO SIGNAL
J911
ALC
DET
INV
R
LINE
ALC
MUTE
AMP
ATT
P
REC-ON
REC
AMP
SERIAL
DECODER
AUDIO HD-SW
CONTROL
16
68 69
71
1-9-20
REC-AUDIO SIGNAL
Mode : SP/REC
12
11
A-MUTE-H
I2C BUS-SDA
TO SERVO/SYSTEM
CONTROL BLOCK
I2C BUS-SCL
HC268BLA
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