1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
Title
Number
Revision
Size
A4
Date:
29-Oct-2002
Sheet of
File:
D
:\
p
c4
2
\p
c4
2
\A
L
T
O
\
\X
2
3
\X
2
3
.d
d
b
服
務
手
冊
Drawn By:
100mA
FUSE
5
6
AC POWER SW
AC INPUT 210V-240V
AC PLUG
50Hz
1
0
2
℃
PT-SCX-34
230V
0V
115V
20V
0V
20V
BRIDGE
AND FILTER CIRCUIT
+15V
0v
-15v
2
1
3
A -CHANNEL SIGNAL
CN-BAL-FEMALE-2
3
2
1
A
TL074
VR
gain
FREQ. CONTOLL
80Hz - +920KHz
3
2
1
A
TL074
high out
VR
gain
pass filter
over freq.
100Hz +1KHz
Low -MID
3
2
1
A
TL074
VR
gain
LOW OUT
or low out
OR MID OUT
2
1
3
B-CHANNEL SIGNAL
CN-BAL-FEMALE-2
3
2
1
A
TL074
VR
gain
FREQ. CONTOLL
80Hz - +920KHz
3
2
1
A
TL074
high out
VR
gain
pass filter
over freq.
100Hz +1KHz
Low -MID
3
2
1
A
TL074
VR
gain
LOW OUT
or low out
OR MID OUT
2.Block Diagram
