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PDC/VPD DECODER
IC4002 SDA5650/X
17
5
4
CP4001
2
SP-CH2 (L)
CYL.
3
SP_COM
4
SP-CH1 (R)
VV_H
SCL
SDA
H. SW
MICON/
ENV_DET
OPERATION
VCR_A_MUTE
V. REC_ST_H
CTL+
CTL-
Q4003
V.REC
ST SW
CP4005
1
AE HEAD (+)
2
AE HEAD (-)
3
CTL-
HEAD AUDIO
CONTROL
4
CTL+
5
AUDIO REC
6
AUDIO PB
Q4002
OSC
1
Q4001
3
NORMAL A.
REC ST SW
CP4004
1
FE HEAD (HOT)
FE HEAD
2
FE HEAD (GND)
EXT_IN_L
MICON/
OPERATION
D4210
TU_AUDIO_MUTE_H
21_Y
21_B
TV
21_G
21_R
E-3
Y/C/AUDIO/HEAD AMP/21PIN/IN/OUT BLOCK DIAGRAM
Y/C/AUDIO/CCD
HEAD AMP IC
IC4001
HA118217F
79
78
P
86
2MLPF
ACC
87
R
88
89
HPF
TRAP
Q4015
LPF
29 AGC
PB SW
REC
MUTE
62
SERIAL CONT
INTERFACE
63
81
ENV
84
HPF
DET
99
Q4004, Q4005
PB SW
VCA
P
PRE
2
AMP
R
REC
REC
4
EQ
MUTE
L4005
6
5
7
8
9
4
Q4207
PERI SW
6
2
1
3
Q4205
MUTE SW
X4001
4.433619MHz
73
75
69
60
VCA
P
CTL TRAP
R
fh HPF
DELAY
CLPF
P
R
R
MAIN
CONV1
+
P
P
R
MIX
LEVELADJ
B.E
C.K
+
P
SQPB
629
FM AGC
P.EQ
S DL
TRAP
R
LAG LEAD
SQPB
7M HPF
LPF
FBC
ALC
FM MOD
1M HPF
MAIN EMPH
LINE
F0/DEV ADJ
CARRIER
MUTE
OFFSET
S-DET
W.C/DC
LINE
AMP
11
L4001
Q4007
15.6KHz
AMP
TRAP
8
16
20
J4201
7
11
15
19
Q4202
BUFFER
58
54
52
55
CCD
6dB AMP
6dB AMP
LPF
C.K
C CCD
CLEAR
C SQUELCH
SYNC
N-->P
CLOCK
CLPH
DEIVER
SQUELCH
MAIN
B.D
+
CONV2
FBC
R
VIDEO ALC
R
P
Y CCD
P
P
P
Y APA
BPF
R
R
VIDEO
NL EMPH
G EQ
AGC
NL DE EMPH
D LIM
D.E
N.C
DEMO
P
R
SYNC.
SLPF
SEP
MAIN
YNP
CLAMP
DE-EMPH
YLPF
LPF
R
CLAMP
P
18
23
21
24
46
35
44
42
Q4006
BUFFER
39
Y/C_V
T'TEXT
28
ATT
ATT
30
31
ATT
FRONT_V_IN
MICON/
50
C. SYNC
OPERATION
FRONT_A_IN_L
26
19
TUNER_A
TUNER_V
TV
Y/C_A
JACK_V
E-4
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