Audio Block Diagram (Vt-Mx310E(Uk)) - Hitachi VTFX340EUK Service Manual

6-3

Audio Block Diagram (VT-MX310E(UK))

JACK CBA
JK101
A-IN1(R) 2 CL101
A-IN1(L) 6 8 A-IN1
A-OUT1(R) 1 6 A-OUT1
A-OUT1(L) 3
JK102
A-IN2(R) 2 CL102
8
A-IN2(L) 6 A-IN2
6 A-OUT2
A-OUT2(R) 1
A-OUT2(L) 3
(DECK ASSEMBLY)
ACE HEAD ASSEMBLY
CL287
AUDIO A-PB/REC 4
HEAD
A-COM 3
AUDIO AE-H 1
ERASE
AE-H/FE-H 2
HEAD
FE HEAD
FULL
ERASE
HEAD
TU701(TUNER UNIT)
AUDIO 2
TU-AUDIO 21
CL151
8
6
CL152
8
6
+5V
Q401
CL504
4 A-PB/REC
Q402
3 A-COM
BIAS
1 AE-H
OSC
2 AE-H/FE-H
Q406
Q403 (SWITCHING)
CL501
2 FE-H
Q405
1 FE-H-GND
(PB=ON)
Q151
BUFFER
Q152
BUFFER
IC301 (AUDIO SIGNAL PROCESS)
TUNER
13
IN1
15
IN2
17
PB-ON
5 EQ
8 9
AMP
6
SP/LP-ON
7
1 AUTO
3 100
BIAS
2
+5V
PB-AUDIO SIGNAL
MAIN CBA
IC151 (SWITCHING)
PB/EE
1
PB/EE
5
3 PB/EE
2
IN2
4
TUNER
12
PB/EE
14
13 IN1
15
IN1
11
AUDIO-SW-1
SW 10
AUDIO-SW-2
CTL
9
ALC
DET
INV
R LINE
ALC MUTE
AMP
ATT
P
REC-ON
REC
AMP
SERIAL
DECODER
AUDIO HD-SW
CONTROL
16 68 69 71
REC-AUDIO SIGNAL
Mode : SP/REC
FROM SERVO/SYSTEM
CONTROL BLOCK
12
11
A-MUTE-H
IIC-BUS SDA FROM SERVO/SYSTEM
CONTROL BLOCK
IIC-BUS SCL
19