Philips DVP620VR/00 - Page 227

1-11-3
Audio Block Diagram
H9723BLA
98
REC AMP
7
6
AUTO BIAS
99
P-ON+5V
P-ON+5V
Q401
BIAS OSC
Q402
N-A-PB
TO Hi-Fi AUDIO BLOCK DIAGRAM
N-A-REC
Q404 (PB=ON) Q405 (PB=ON)
Q403
SWITCHING D-REC-OFF
4
EQ AMP
100
1
2
LINE AMP
MUTE
96
3
PB-ON
SP/LP-ON
P
R
ALC
IC301 (AUDIO PROCESS)
76
4 A-PB/REC
CN504
3 A-COM 1 AE-H 2 AE-H/FE-H
AUDIO HEAD AUDIO ERASE HEAD
AC HEAD ASSEMBLY
FE HEAD
1 FE-H 2 FE-H-GND
CN501
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC
10
D-REC-H
A-MUTE-H
FULL ERASE HEAD
23 24
SERIAL
DECODER
(DECK ASSEMBLY)
LINE1 LINE2
80
A-IN-F
" " = SMD
IIC-BUS SCL
IIC-BUS SDA
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
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