Sharp DV-RW550U - Page 54

Audio Block Diagram
E9656BLA
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
1-13-7
REC AMP
SERIAL I/F
9
8
AUTO BIAS
11
P-ON+5V
P-ON+5V
Q421
BIAS OSC
Q422
Q426 (PB=ON)
Q425
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
CN504
3A
UDIO
-COM
1 AE-H 2 AE-H/FE-H
AUDIO HEAD AUDIO ERASE HEAD
ACE HEAD ASSEMBLY
FE HEAD
(DECK ASSEMBLY)
1 FE-H 2 FE-H-GND
CN501
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL
58 55 53 54
D-REC-H
AUDIO-MUTE-H
TO SYSTEM CONTROL BLOCK DIAGRAM
FULL ERASE HEAD
YCA-CS
YCA-SCL
YCA-SDA
IC301
N-A-OUT N-A-IN
TO Hi-Fi AUDIO BLOCK DIAGRAM
3 2
4
5
WF24
WF23
WF26 WF25
WF17
WF18