A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
R4021
22K +-1%
TP4002
JWF-50K-1
V.ENV
TP4001
JWF-50K-1
H.SW
L4019
1038000301
1
10
11
12
2
3
4
5
6
7
8
9
C4036_1
10
16V
KANP
C4039
4.7
50V
KANP
C4114
2.2
50V
KANP
Q4012
DTC144EKA
SECAM SW
Q4015
DTC144EKA
PB SW
Q4016
KRC103RTK
SECAM SW
CAUTION: DIGITAL TRANSISTOR
L4005
1626008
COIL,BIAS OSC
1
2
3
4
5
6
Q4003
DTA124EKA
V.REC ST SW
D4001
MTZJ6.8B
D4002
MTZJ6.8B
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE:
THE DC VOLTAGE AT EACH PART WAS
L4009
100uH
0607
L4006
1mH0607
L4003
100uH
0607
L4015
100uH 0607
L4004
100uH 0405
L4013
100uH
0607
L4002
100uH 0305
Q4013
2SA1037AK
BUFFER
Q4011
2SA1037AK
BUFFER
Q4010
2SA1037AK
BUFFER
Q4006
2SA1037AK
BUFFER
Q4014
2SA1037AK
BUFFER
W900
W805
W814
W828
W929
W883
W928
W941
W911
Q4007
2SC2412K
AMP
Q4001
2SD734
NORMAL AUDIO
REC ST SW
Q4002
2SD734
OSC
Q4004
2SC2274
PB SW
Q4008
2SC2412K
AMP
Q4005
2SC2274
PB SW
C4077_1
3.3
50V
KA
C4040
2.2
50V
KA
C4057
4.7
50V
KA
C4050
4.7
50V
KA
C4108
100
16V
KA
C4001
33
6.3V
KA
C4088
47
6.3V
KA
C4074
10
16V
KA
R4058_1
56K
R4014
330K
R4052
1K
R4053
560K
R4054
330K
R4001
1.5K
R4056
2.2K
R4002
3.3
R4041
220
R4076
22K
R4075
4.7K
R4023
6.8K
R4029
39K
R4027
27K
R4049
2.2M
R4032
6.8K
R4035
3.3K
R4031
4.7K
R4042
100
R4026
27K
R4030
10K
R4034
4.7K
R4005
150
R4004
10K
R4051
10K
R4033
1.5K
R4074
4.7K
R4022
1K
R4062
22K
R4064
560
R4061
10K
R4063
270
R4011
2.2K +-1%
R4050
330
R4079
3.3K
R4059
1K
R4077
10K
R4017
47K
+-1%
R4057
47K +-1%
R4025
8.2K
R4055
330
R4040
100
R4080
1K
R4065
1K
1/4W
R4015
8.2K
R4016
180
R4012
4.7K
R4013
4.7K
R4078
4.7K
R4003_1
390
R4008_1
1K
R4028_1
39K
R4044_1
82
C4028
0.01 B
C4027
0.01 B
C4009_2
0.022
100V
MKT
C4102
0.1
F
C4026
0.01
B
C4002
0.047 B
C4101
0.1
B
C4081
0.1
F
C4012
0.1
B
C4003
0.1
B
C4042
0.47
B
C4054
3P
CH
C4079
1 B
C4115
47P
CH
C4043
0.1
B
C4019 0.01 B
C4020 0.01 B
C4098
0.01 B
C4025
1 B
C4113
0.1
B
C4100
27P
CH
C4013
220P CH
C4052
180P
CH
C4062
0.1
B
C4056
0.1
B
C4058
27P
CH
C4010
0.001 B
C4097
0.01 B
C4018 0.033 B
C4004
0.012 B
C4107
0.022
B
C4061
0.022
B
C4059
0.001
B
C4045
0.1
B
C4047
1B
C4067
0.01
B
C4048
0.022
B
C4080
0.01 B
C4070
0.1
B
C4007
0.01
B
C4006
0.0047 B
C4005
0.01
B
C4053
0.1
B
C4068
0.1
B
C4038
1B
C4044
0.1
B
C4046
0.1
B
C4112
0.01 B
C4109
12P
CH
C4110
0.01
B
C4104
0.01
B
C4099
18P
CH
C4076
0.1
B
C4072
0.1
B
C4064
0.01
B
C4075
0.01
B
C4082
180P CH
C4083
0.01
B
C4008
0.1
B
C4032
820P
B
C4033
0.0018
B
C4063
0.1
B
C4014 0.1 B
C4089
0.1
B
C4086
1 B
C4117
18P CH
C4023
0.1
B
C4037
680P
CH
C4111_1
0.1
F
C4073
3.3
50V
KA
C4055
47
6.3V
KA
C4041
4.7
50V
KA
C4015
47
6.3V
KA
C4049
22
6.3V
KA
C4051
10
16V
KA
C4024
3.3
50V
KA
C4071
10
16V
K
A
C4116
1
50V
K
A
C4078
1
50V
K
A
C4069
47
6.3V
KA
C4084
220
10V
KS
C4031
4.7
50V
KA
CP4001_1
TOC-C04X-B1
1
2
3
4
L4012
220uH
L4011
12uH
L4016
39uH
L4018
39uH
L4017
22uH
L4020
100uH
IC4001
HA118217F
Y/C/AUDIO/CCD/HEAD AMP IC
1
10
100
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
65
66
67
68
69
7
70
71
72
73
74
75
76
77
78
79
8
80
81
82
83
84
85
86
87
88
89
9
90
91
92
93
94
95
96
97
98
99
X4001
4.433619MHz
CP4004
TMC-T02X-E1
1
2
CP4005
IMSA-9604S-06Z14
1
2
3
4
5
6
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
L4001
2623003
15.6KHz TRAP
1
2
3
4
6
CAUTION: DIGITAL TRANSISTOR
S820X
S820Y
H.SW
LOW_C
LOW_C2
ENV_DET
SDA
SCL
D_V_SYNC
P.CON+9V
EE/VV
P.CON+5V_B
SECAM_SW
SEC_PB_C
Y/C_VIDEO_OUT
LOW_C
EE/VV
GND
GND
V.SYNC
LOW_C2
Y/C_AUDIO_OUT
P.CON+9V
Y/C_AUDIO_OUT
GND
P.CON+5V_B
TU_VIDEO
TU_AUDIO
SEC_PB_C
FRONT_VIDEO
V.SYNC
REAR_VIDEO
FRONT_AUDIO
REAR_AUDIO
Y/C_VIDEO_OUT
Y/C_AUDIO_OUT
Y/C_VIDEO_OUT
VCR_A_MUTE
H.SW
P.CON+5V_B
SCL
SDA
D_V_SYNC
V.REC_ST_H
ENV_DET
CTL+
P.CON+5V_B
CTL-
MESECAM_M
SECAM_L
MESECAM_M
VV_H
VCR_A_MUTE
CTL-
CTL+
REAR_VIDEO
FRONT_VIDEO
TU_VIDEO
VV_H
SECAM_SW
V.REC_ST_H
P.CON+5V_B
P.CON+5V_B
V.REC_ST_H
FRONT_AUDIO
REAR_AUDIO
P.CON+5V_B
TU_AUDIO
SECAM_L
TO SOUND AMP
FROM CHROMA
TO FULL ERASE HEAD
FROM/TO MICON
FROM/TO 21PIN/IN/OUT
FROM/TO SECAM CHROMA/HI-FI
0
0.7
FROM POWER
G-2
G-1
(SYSCON PCB)
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM
VM9171
PCB010
NC
NC
NC
NC
NC
NC
6.3
2.0
1.4
11
AUDIO PB
AUDIO REC
CTL+
AE HEAD(+)
AE HEAD(-)
CTL-
FE HEAD(HOT)
FE HEAD(GND)
15
4.7
0
0
4.9
4.6
4.9
17
SP-CH1 (R)
SP-CH2 (L)
0.4
2.5
2.8
2.0
2.1
2.8
0.1
3.0
2.9
2.1
4.8
4.8
4.8
0
0
2.4
4.8
4.8
2.8
2.7
2.1
2.2
1.7
1.0
2.1
2.6
4.5
2.8
2.1
0
2.8
1.9
2.8
0
2.1
1.4
2.1
3.1
2.1
2.4
2.7
3.1
2.1
0.6
0.7
3.1
1.4
1.4
4.8
2.5
2.5
2.5
2.5
2.5
2.9
0
2.5
0
2.5
2.5
18
0.4
0
0
0
0
0
2.5
4.8
1.8
4.8
4.8
3.0
4.8
0.1
4.8
3.0
0
0
0
2.8
2.5
2.5
4.8
0
4.8
0.5
0
0
0
0
4.8
2.2
2.1
2.2
2.2
0
1.5
2.6
1.2
2.5
NC
NC
PSW2
VCA
REC EQ
GAP
BAND
DET
SW40
SP ON
DET
MESECAM
FROM
B.E
C.K
6dB AMP
6dB AMP
SYNC.SEP.
CLAMP
FEED BACK
OUT
N-P CONT
NTSC/PAL
LPF
CCD
LEVEL DET1
-
C.K
N P
B.D
SW115
VCC=5V
N.C.
SQUELCH
GEN
PULSE
WHAITH
LMIT
P
SW22
P
R
P
R
P
R
SW23
SW21
R
ADJ
LEVEL
MIX
LPF
+
R
DL
SW25
LEVEL DET2
P
R
CTL TRAP
FHTRAP
HPF
SW20
R
P
SW19
COMP
SEP
ACC
HPF
2M LPF
SW28
HEAD SW1
2FL VCO
COMP
MUTE
REC
L SECAM
R
P
SW7
AGC
FM
EQ
P
SQPB
SQPB
DL
S
TRAP
629
DET
SW27
L SECAM
SW16
DE EMPH
NL
EMPH
NL
SW12
S-DET
FO/DEV
ADJ
1
3
PRE
AMP
+
SP1
SP2
+
-
-
-
+
+
EP2
+
-
EP1
CH2
CH1
CH3
SW15
R
P
SW17
P
SW18
R
SW24
SW26
C GND DO
LPF
(-10dB)
(-10dB)
(-10dB)
ATT
ATT
ATT
CONT
MODE
CCD
CCD
C
DEIVER
CLOCK
VIDEO ALC
CCD
Y
Y APA
D.E.
REC
AGC DEL
PB ALC
VIDEO AGC
C SQUELCH
CCD
CLEAR SYNC
GND
BPF
+
CONV1
MAIN
CONV.
DOWN
1/2
1/2
PHASE SW
4PHASE GEN
CLPH
MAIN
CONV2
CLPH
DELAY
SW
APC
DET
ACC
VCA
CVCC
INTERFACE
SERIAL CONT
KIL
TRAP
APC
REC
DISCRI
AFC
REC
PB/REC
ID DET
KILLER
COLOR
FH SYNC
AGC
YGND
P
R
SW14
REC
DO
DO
R
P
SW10
+
APC
PB
DET
SECAM
ME
2FSCVCO
CR DET 2FSC
X TAL VCO/OSD
TANC
P
R
R
P
YNR
CLAMP
CLAMP
R P
SW9
SW11
DELAY
EDGE
DET
DO
FBC/ALC
Y LPF
EQ
G
DLIM
DEMO
SUB LPF
DE EMPH
MAIN
W.C/DC
OFFSET
CARRIER
EMPH
MAIN
1M HPF
7M HPF
LAG LERD
LPF
FM MOD
SW29
SP
DET
DET
EP
SW30
CH2
CH1
VCA
SW31
CH2
CH1
EP1
EP2
SP1
SP2
HA VCC
HEAD SW2
LIMITTER
DET OUT
KILLER
DET
ENV
HPF
R
SW5
SW4
YVCC
REC ON
SW3
2
SW6
A.GND
SW1
EP ON
SW37
SW38
SW39
SW36
SW35
SW34
SW33
SW32
HA GND
MUTE
AVCC
14
0
NC NC NC
4.8
0.9
1.5
2.8
0
2.2
2.8
2.2
0
2.1
1.5
0
0
0
2.3
0
0
5.0
5.0
0
0
20
19
13
4.8
4.8
0
3.1
2.5
0
SP_COM
FROM/TO CYL
TO T’TEXT
12
0.7
0
0
2.1
0
2.8
FROM/TO HEAD AUDIO CONTROL
10