FUNAI D8A-M1000DB - Page 24

1-11-3
Audio Block Diagram
E8GA0BLA
REC AMP
100
3
AUTO BIAS
2 1
+5V
+5V
Q404
Q406
BIAS OSC
Q403
Q401 (PB=ON)
Q405
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
TUNER
IN2 IN1
R
ALC
DET
ALC
IC301 (AUDIO SIGNAL PROCESS)
3
AUDIO-PB/REC
CN504
4 A-COM 6 AE-H 5 AE-H/FE-H
AUDIO HEAD AUDIO ERASE HEAD
ACE HEAD ASSEMBLY
FE HEAD
2 FE-H 1 FE-H-GND
CN501
MAIN CBA
PB-AUDIO SIGNALREC-AUDIO SIGNAL
Mode : SP/REC
71
AUDIO-MUTE-H
IIC-BUS SCL
IIC-BUS SDA
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
FULL ERASE HEAD
68 69
SERIAL
DECODER
(DECK ASSEMBLY)
12
16
INV
AT T
2 6 1 3
JK1402
AUDIO(R)-IN2 AUDIO(L)-IN2
AUDIO(R)-OUT2 AUDIO(L)-OUT2
JACK-A CBA
AUDIO-IN2
55
AUDIO-OUT2
11
CN2017CN2018
JK101
AUDIO(R)-OUT1 AUDIO(L)-OUT1
2 6 1 3
AUDIO(R)-IN1 AUDIO(L)-IN1
IC751
(OUTPUT SELECT)
12 13
14 15
2 1
11 10
9
SW CTL
VCR DVD VCR DVD
TO SERVO/ SYSTEM CONTROL BLOCK DIAGRAM
OUTPUT-SELECT
DVD AUDIO SIGNAL
REAR
JK751
AUDIO(R) -OUT AUDIO(L) -OUT
SW CTL
13
IC1404
(INPUT SELECT)
12
11
14
17 15 13
FRONT
JK754 AUDIO -IN
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
FRONT-AV
SW
CTL
IC151 (SWITCHING)
PB/EE PB/EE PB/EE PB TUNER IN2 IN1 IN1
AUDIO-SW1 AUDIO-SW2
1 5 2 4
12 14 15 11 10
9
3
13
BUFFER
Q156
BUFFER
Q157
TU701(TUNER UNIT)
AUDIO OUT21
DVD-AUDIO(R)-OUT
DVD-AUDIO(L)-OUT
TO DVD VIDEO/AUDIO BLOCK DIAGRAM <DVD SECTION>
Q753
Q754
AUDIO(L)-MUTE AUDIO(R)-MUTE
TO DVD VIDEO/AUDIO BLOCK DIAGRAM <DVD SECTION>
TP401
JK1-A- OUT(L)