Audio Block Diagram
REC
AMP
100
3
AUTO
BIAS
2
1
+5V
+5V
Q401
Q406
BIAS
OSC
Q402
N-A-PB
TO Hi-Fi
AUDIO BLOCK
N-A-REC
Q405
(PB=ON)
Q403
SWITCHING
D-REC-OFF
5
EQ
AMP
9
8
7
LINE
AMP
REC-ON
AUDIO HD-SW
CONTROL
MUTE
11
6
PB-ON
SP/LP-ON
P
TUNER
IN2
IN1
R
ALC
DET
ALC
IC301
(AUDIO SIGNAL PROCESS)
15
13
17
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
1-7-5
1-7-6
HE4F0BLA
MAIN CBA
PB-AUDIO SIGNAL
REC-AUDIO SIGNAL
Mode : SP/REC
71
A-MUTE-H
IIC-BUS SCL
IIC-BUS SDA
TO SERVO/SYSTEM
CONTROL BLOCK
FULL
ERASE
HEAD
68 69
SERIAL
DECODER
(DECK ASSEMBLY)
12
16
INV
ATT
Summary of Contents for 27A-850
Page 22: ...Main 1 6 Schematic Diagram 1 8 3 1 8 4 HE4F0SCM1...
Page 23: ...Main 2 6 Sensor Schematic Diagram 1 8 5 1 8 6 HE4F0SCM2...
Page 24: ...Main 3 6 Schematic Diagram 1 8 7 1 8 8 HE4F0SCM3...
Page 25: ...Main 4 6 Jack Schematic Diagram 1 8 9 1 8 10 HE4F0SCM4...
Page 27: ...Main 6 6 Schematic Diagram 1 8 13 1 8 14 HE4F0SCM6...
Page 28: ...1 8 15 1 8 16 AFV Schematic Diagram HE4F0SCAFV...
Page 31: ...1 8 21 1 8 22 Jack CBA Top View Jack CBA Bottom View BHE470F01013 C...
Page 55: ...3 1 1 HE450FEX A1X EXPLODED VIEWS Front Panel...
Page 72: ...27A 850 HE4F0ED...
