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Q4010
BUFFER
CP4001
2
SP-CH2 (L)
CYL.
3
SP COM
4
SP-CH1 (R)
2FSC_A
SCL
SDA
H.SW
ENV.DET
MICON/
OPE.
VCR_A_MUTE
V.REC_ST_H
CTL+
CTL-
Q4003
V.REC
ST SW
CP4005
1
AE HEAD (+)
2
AE HEAD (-)
AC HEAD
3
CTL-
CTL+
4
5
AUDIO REC
6
AUDIO PB
L4005
Q4002
OSC
1
Q4001
NORMAL A
3
REC ST SW
CP4004
1
FE HEAD (HOT)
FE HEAD
2
FE HEAD (GND)
EXT_IN_L
D4511
MICON/
VV-H
OPE.
D4510
TU_AUDIO_MUTE_H
Q4510, Q4511
21_Y
Y SW
21_B
21_G
T'TEXT
21_R
Y/C_VIDEO
Y/C/AUDIO/HEAD AMP/21PIN/IN/OUT BLOCK DIAGRAM
79
78
73
P
86
2MLPF
ACC
87
R
88
89
HPF
TRAP
LPF
REC
+
MUTE
62
SERIAL CONT
INTERFACE
63
81
ENV
84
HPF
DET
99
Q4004,Q4005
P
PB SW
R
VCA
P
PRE
2
AMP
R
REC
REC
4
EQ
MUTE
6
7
8
9
5
Y/C/AUDIO/
4
CCD/H.AMP
IC4001
HA118217F
Q4507
PERI SW
Q4509
AMP
2
6
8
1
3
7
Q4505
MUTE SW
X4001
4.433619MHz
75
69
60
VCA
P
CTL TRAP
R
fh HPF
DELAY
CLPF
P
R
R
MAIN
+
CONV1
P
P
R
MIX
LEVELADJ
B.E
P
C.K
R
+
SQPB
629
FM AGC
P.EQ
S DL
TRAP
LAG LEAD
SQPB
7M LPF
LPF
FBC
ALC
DEMO
FM MOD
1M HPF
MAIN EMPH
LINE
F0/DEV ADJ
CARRIER
DE-EMPH
MUTE
OFFSET
S-DET
W.C/DC
LINE
AMP
11
Q4007
L4001
TRAP
AMP
16
20
J4501
11
15
19
Q4501, Q4502
BUFFER
54
52
58
55
CCD
6dB AMP
6dB AMP
C.K
LPF
C CCD
CLEAR
C SQUELCH
SYNC
N-->P
CLOCK
CLPF
DEIVER
SQUELCH
MAIN
B.D
CONV2
FBC
R
VIDEO ALC
R
P
Y CCD
P
P
Y APA
BPF
R
VIDEO
NL EMPH
G EQ
AGC
NL DE EMPH
D LIM
D.E
P
R
N.C
SLPF
SYNC.
SEP
MAIN
YNP
CLAMP
YLPF
LPF
CLAMP
R
P
18
23
21
24
FRONT
FRONT
AUDIO
VIDEO
2
4
J701
VPS/PDC IC
IC4002
LC74793/JM
2
X'tal IN
46
6
SDA
7
SCL
35
16
SYNC IN
44
42
Q4006
BUFFER
39
ATT
28
ATT
30
ATT
31
MICON/
50
V.SYNC
OPE.
26
19
TU_AUDIO
TU_VIDEO
TV
Y/C_VIDEO
Y/C_AUDIO
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