A
B
C
3
2
1
D
E
4
6
5
7
8
6 - 50
6 - 49
AUDIO -MONAURAL-
AUDIO -MONAURAL-
5. AUDIO -MONAURAL- BLOCK DIAGRAM
:REC SIGNAL
:PB SIGNAL
5V
SW
5V
SW
FADE
LIMIT
HOLD
AMP
FM
DEMOD
1.5MHz
LPF
V.REF
GEN
VOL.
CONT.
FM
MOD
LPF
FMA
GAIN
CONT.
REC
VIDEO
SW5303
DOWN
SW5302
UP
ALC
LPF
NR
MUTE
MUTE
EXT.MIC
TERMINAL
2
63
PG471
Q471
BUF
IC401
AUDIO PROCESS
Q406
BUF
Q304
INV
Q475S
INV
AUDIO
OUT
MIC
2
3
R
L
3
61
1
25
2
6
Q407M
PR.CONT
SW
Q405
MUTE
SW
80
T.FADE
26
CAM/LIN
25
MUTE
94
Q107
INV.
DATA,
CLOCK,
CS
IC1104
15
Q114
REC FM
26
PB FM
27
IC101
VIDEO
HEAD AMP
5V
Q461,
Q462
5V SW
3V
Q402M
3V SW
D/A
CONV
IC1104
DIGITAL
uP
IC901
SYSTEM
CONTROL uP
PR.CONT
99
HSW-AUD
6
FMAG1
35
FMAG2
47
VCR KEY2
5
43
44
28
46
50
45
49
42
39,41
47
35
17
19
Q401
MUTE
SW
12,14
12,14
78
78
9
9
SPEAKER
PG733
1,2
PG732
PG5701
PG731
PG951
29
INT
EXT
REC
PB
REC
REC
PB
PB
REC
PB
5
E.CONT
9
PG301
Q306
Q474
5V
CON
LCD
VCA
JACK
UNIT
MIC
UNIT
[EXCEPT FOR TYPE 675]
[EXCEPT FOR TYPE 675]