Symphonic 6319CD/EWC1903 - Audio Block Diagram

Audio Block Diagram
BLOCK DIAGRAM FOR SECTION 2 (DECK MECHANISM)
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL
1-8-5
JK702
A-IN
IC301(VIDEO/AUDIO SIGNAL PROCESS)
IC401
Mode : SP/REC
T7401BLA1-8-6
BIAS
OSC
Q872
P-ON+5V
P-ON+5V
Q871
Q873
Q874
Q875
(AUDIO PROCESS)
7
1
IC801 (AMP)
SPEAKER
1
SP-GND 2
JK801
EARPHONE JACK
SP801
SPEAKER
CN801
CL802
SP-MUTE
FROM PIN 12
OF IC201
TU-AUDIO
FROM
CHROMA/TUNER
BLOCK
TP401
A-OUT
AUDIO
HEAD
AC HEAD ASSEMBLY
A-COM
A-PB/REC
CL402
AUDIO
ERASE
HEAD
AE-H
AE-H/FE-H
2
1
FE-H
FE-H GND
FULL
ERASE
HEAD
CL403
4
3
1
FE HEAD UNIT
SERIAL
I/F
AUDIO
ATT
SDA
SCL
CN287
4
3A-COM
A-PB/REC
1
2
AE-H
AE-H/FE-H
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
TUNER
REC
AMP
AUTO
BIAS
LINE
AMP
MUTE
P
R
ALC
TUNER
LINE
D-REC-H
D-REC-H
A-MUTE
EXT-H/INSEL
REC/EE/PB
FROM
SERVO/
SYSTEM
CONTROL
BLOCK
WF8
OUTPUT
AMP
WF9
WF7
32
EQ
AMP
SP/LP-ON
MUTE
5
2
24
14
15
26
21
LINEVCR
98
96
4
6 7
11 12 71 16
99
3
2
1
80 76
100