33
33
HCD-GP6V
7-12. SCHEMATIC DIAGRAM — MIC ECHO/PHONE SECTION —
IC B/D
No mark:CD STOP
2.4
2.4
5.3
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
0
5.2
5.1
0
5.1
2.6
2.5
2.6
2.6
2.6
2.6
2.6
2.6
0
0
0
9.9
0
0
5.3
0
5.3
5.3
0
5.2
5.3
9.9
CN501
4P
CN502
6P
CN201A
5P
CN203A
4P
CN202
4P
120
0
0
2.2K
V
0
10K
10K
22K
T-77
T-77
220
220
V
V
V
V
V
V
V
V
V
V
V
MIC
PHONES
VIDEO OUT
NTSC
AUTO
PAL
MIC AMP
ECHO PROCESSOR
MIC MUTE
MIC MUTE
IC504
IC503
NOTE:
RXXX
V-OUT BOARD
MIC/ECHO BOARD
PHONE BOARD
TO
MAIN BOARD
CN201
(Page 29)
H
TO
MAIN BOARD
CN306
(Page 29)
G
TO
VCD BOARD
CN804
(Page 27)
E
•
See page 38 for IC Block Diagram.