CONTROL
LOGIC
4.43MHz
OSC
Y/C/AUDIO/HEAD AMP/SECAM CHROMA/HI-FI BLOCK DIAGRAM
X4001
4.433619MHz
84
11
19
23
26
79
73
54
Y/C/AUDIO/H.AMP
IC4001
HA118217F
18
9
21
78
75
24
52
46
4
63
62
99
81
55
58
60
R
P
35
39
42
2MLPF
HPF
ACC
CTL TRAP
fh HPF
R
P
R
P
VCA
CCD
LPF
C.K
6dB AMP
6dB AMP
N-->P
CLEAR
SYNC
C SQUELCH
SQUELCH
B.D
BPF
FBC
VIDEO ALC
DELAY
CLPF
R
P
MAIN
CONV1
MAIN
CONV2
CLPF
+
R
P
R
P
R
P
R
P
+
B.E
C.K
TRAP
LPF
+
REC
MUTE
SERIAL CONT
INTERFACE
REC
EQ
VCA
LINE
AMP
R
P
HPF
1M HPF
7M LPF
FM MOD
LAG LEAD
LPF
629
TRAP
FM AGC
P.EQ
S DL
SQPB
SQPB
G EQ
Y CCD
C CCD
LPF
28
30
31
ATT
ATT
ATT
VIDEO
AGC
R
P
D LIM
DEMO
SLPF
MAIN
DE-EMPH
CLAMP
D.E
N.C
Y APA
CLAMP
R
P
MIX
LEVELADJ
R
P
R
YLPF
FBC
ALC
NL EMPH
NL DE EMPH
MAIN EMPH
CARRIER
OFFSET
W.C/DC
F0/DEV ADJ
S-DET
Q4006
BUFFER
94
86
93
87
H.AMP
8
7
REC
MUTE
LINE
MUTE
ENV
DET
L4001
15.6KHz
TRAP
L4005
1
3
6
Q4004,Q4005
FE HEAD
4
ENV.DET
H.SW
MICON
SDA
SCL
VCR_A_MUTE
V.REC_ST_H
CTL+
CTL-
CYL.
CP4001
3
4
2
EP/LP-CH1(R)
SP-CH2 (L)
EP/LP COM
CP4005
1
AUDIO PB
6
5
2
AE HEAD (+)
AUDIO REC
AE HEAD (-)
AC HEAD
4
3
CTL+
CTL-
PB SW
5
Q4002
OSC
Q4001
NORMAL A
REC ST SW
CP4004
1
2
FE HEAD (HOT)
FE HEAD (GND)
FRONT_V_IN
FRONT_A_IN_L
REC_TU_A
REC_TU_V
Q4003
V.REC
ST SW
2
PRE
AMP
E-3
REAR_V_IN
REAR_A_IN_L
IF/21PIN/
IN/OUT/
OPERATION
SYNC
SEP
50
9
17
14
28
SECAM CHROMA
IC2801 LA7358M
Q2804
BUFFER
VV_H
29
AGC
Q4015
PB SW
Q4007
AMP
P
AGC
AMP
REC
MUTE
SYNC
GATE
MODE
CTL
B
1.1MHz
BPF
1.1MHz
OSC
Fo
ADJ
REC/
PB
VA
Fo
ADJ
22
16
12
18
B
PB
MUTE
VA
PB
MUTE
SYNC GATE
GEN / V-SEP
2
REC
ON
REC
PB
PB
ON
Y/C_VIDEO
SECAM SW
TV
MICON
Y/C_AUDIO
Q2803
VV SW
Q2802
VV SW
Q2806
VV SW
YNP
29
B
Q2801
BUFFER
Q2805
SECAM PB SW.
SECAM_L
1 EP/LP-CH2 (L)
5
6 SP-CH1 (R)
SP-COM
92
91
88
89
1
11
Q2807
SP_H SW
IREF
SP_H
SECAM_H
MICON
Q4016
SECAM SW
E-4
Summary of Contents for SL0521KO
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