Philips DVDR3545V/37 - Page 37

1-12-7
Audio Block Diagram
REC AMP
SERIAL I/F
9
8
AUTO BIAS
11
P-ON+5V
P-ON+5V
Q1421
BIAS OSC
Q1422
Q1426 (PB=ON)
Q1425
SWITCHING D-REC OFF
6
EQ AMP
LINE AMP
MUTE
LPF
10
SP/LP-ON
P
R
ALC
(AUDIO PROCESS)
76
80
78
TUNER
LINE 1 LINE 2
4
AUDIO-PB/REC
CN1504
3 A-COM 1 AE-H 2 AE-H/FE-H
AUDIO HEAD AUDIO ERASE HEAD
AC HEAD ASSEMBLY
FE HEAD
(DECK ASSEMBLY)
1 FE-H 2 FE-H-GND
CN1501
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL
58 55 53 54
D-REC
AUDIO-MUTE
TO SYSTEM CONTROL BLOCK DIAGRAM
FULL ERASE HEAD
YCA-CS
YCA-SCL
YCA-SDA
IC1301
N-A-OUT N-A-IN
TO Hi-Fi AUDIO BLOCK DIAGRAM
3 2
4
5
E9H90BLA
“ “ = SMD