Philips VR330/58 - Audio Block Diagram ( Y )

Audio Block Diagram ( Y )
REC
AMP
100 3
AUTO
BIAS
2
1
+5V
+5V
Q401
Q406
BIAS
OSC
Q402
Q404
(PB=ON)
Q405
(PB=ON)
Q403
SWITCHING
D-REC-OFF
5
EQ
AMP
98
7
LINE
AMP
REC-ON
AUDIO HD-SW
CONTROL
MUTE
11
6
PB-ON
SP/LP-ON
P
R
ALC
DET
ALC
IC301 (AUDIO SIGNAL PROCESS)
4 A-PB/REC
CL504
3 A-COM
1 AE-H
2 AE-H/FE-H
A-PB/REC 4
A-COM 3
AE-H 1
AE-H/FE-H 2
CL287
AUDIO
HEAD
AUDIO
ERASE
HEAD
ACE HEAD ASSEMBLY
FE HEAD
2 FE-H
1 FE-H-GND
CL501
1-9-19 1-9-20 HC268BLA
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC
71
A-MUTE-H
I2C BUS-SCL
I2C BUS-SDA
TO SERVO/SYSTEM
CONTROL BLOCK
FULL
ERASE
HEAD
68 69
SERIAL
DECODER
(DECK ASSEMBLY)
" " = 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.
12
16
INV
ATT
TU701
J911
SW
CTL
IC151 (SWITCHING)
PB/EE
PB/EE
PB/EE
PB/EE
TUNER
TU-AUDIO
AUDIO
IN2
IN1
IN1
AUDIO-SW-1
AUDIO-SW-2
TO SERVO/SYSTEM
CONTROL BLOCK
A-IN1
A-OUT1
8
6
JACK CBA
JK101
A-IN1
A-IN1
3
6
3
6
CN101
A-OUT1
A-OUT1
A-IN2
A-OUT2
8
6
8
6
8
6
JK102
A-IN2
A-IN2
3
6
3
6
CN102
CN151
CN152
A-OUT2
A-OUT2
2
21
1
5
2
4
12
14
15
11
10
9
3
13
TUNER
IN2
IN1
15
13
17
TU701
J911
TU-AUDIO
A-IN1
A-OUT1
8
6
JACK CBA
JK101
A-IN1(R)
A-IN1(L)
2
6
1
3
CL101
A-OUT1(R)
A-OUT1(L)
8
6
CL151
21
TUNER
IN1
15
13
Comparison Chart of Models & Marks
Model Mark
VR530/58
VR630/58
VR330/58
W
X
VR730/58
Y
Z
Model Mark
VRQ45/16
VRQ45/39
AB
VR732/58
VR830/58
AA
VRQ45/58
AC
AD
AE