FUNAI DDVR-6830 - Page 25

1-11-3
Audio Block Diagram
H9903BLA
REC AMP
100
3
AUTO BIAS
2 1
+5V
+5V
Q404
Q406
BIAS OSC
Q403
N-A-PB
TO Hi-Fi AUDIO BLOCK DIGRAM
N-A-REC
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)
1513 17
4
AUDIO-PB/REC
CN504
3 A-COM 1 AE-H 2 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 SIGNAL REC-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