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
Q4015
DTC144EKA
PB SW
CAUTION: DIGITAL TRANSISTOR
IC4002
LC74793/JM
VPS/PDC
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
3
4
5
6
7
8
9
L4005
1626008
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
L4007
100uH
0607
L4009
100uH
0607
L4010
100uH 0607
L4003
100uH
0607
L4015
100uH 0607
L4004
100uH 0405
L4013
100uH
0607
L4006
1mH0607
L4002
100uH
0305
Q4006
2SA1037AK
BUFFER
W807
W867
W814
W928
W911
W929
Q4001
2SD734
NORMAL AUDIO
REC ST SW
Q4002
2SD734
OSC
Q4004
2SC2274
PB SW
Q4005
2SC2274
PB SW
C4040
2.2
50V
KA
C4057
4.7
50V
KA
C4050
4.7
50V
KA
C4001
33
6.3V
KA
C4088
47
6.3V
KA
C4074
10
16V
KA
C4077
3.3
50V
KA
C4011
47
6.3V
KA
R4067
390 1/6W
R4043
3.3K
R4001
1K
R4045
10K
R4046
5.6K
R4047
10K
R4056
2.2K
R4002
3.3
R4041
220
R4073
2.2M
R4036
150K
R4049
2.2M
R4032
6.8K
R4035
5.6K
R4031
4.7K
R4042
100
R4026
27K
R4030
10K
R4034
4.7K
R4005
150
R4004
10K
R4051
10K
R4033
1.5K
R4022
1K
R4011
5.6K +-1%
R4050
330
R4010
560
R4017
47K
+-1%
R4057
47K +-1%
R4003
330
1/4W
R4007
560
1/4W
R4058
56K
1/4W
R4065
1K
1/4W
R4016
220
R4012
4.7K
R4013
4.7K
R4008
1K1/4W
R4029
33K
R4014
270K
R4044
82 1/4W
R4040
100
R4015
6.8K
R4025
10K
R4023
5.6K
R4028
33K
1/4W
R4066
560
C4103
10P
CH
C4096
1 F
C4095
0.01 B
C4002
0.047 B
C4012
0.1
B
C4003
0.1
B
C4093
1 F
C4042
0.47
B
C4054
3P
CH
C4079
1 B
C4115
47P
CH
C4028 0.01 B
C4027 0.01 B
C4019 0.01 B
C4020 0.01 B
C4098
0.01 B
C4087
0.056
B
C4025
1 B
C4060
0.1 B
C4100
27P
CH
C4013
220P CH
C4052
150P
CH
C4062
0.1
B
C4056
0.1
B
C4058
39P
CH
C4010
0.001 B
C4097
0.01 B
C4018 0.033 B
C4004
0.022 B
C4061
0.022
B
C4059
0.001
B
C4016
0.1 B
C4047
1B
C4067
0.01
B
C4048
0.022
B
C4080
0.01 B
C4070
0.1
B
C4090
0.01
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
C4035
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
C4032
820P
B
C4009_1
0.022
100V
PP
C4063
0.1
B
C4014_1 1
F
C4086
1 B
C4043
0.1
B
C714
1F
C4111
0.1
B
C4023
0.1
B
C4026
0.01
B
C4089
0.1
B
C4037_1
0.0018
B
C4045
0.1
B
C4085
4.7
50V
KA
C4036
10
16V
KA
C4039
4.7
50V
KA
C4055
47
6.3V
KA
C4092
47
16V
KA
C4073
3.3
50V
KA
C4015
47
6.3V
KA
C4051
10
16V
KA
C4024
3.3
50V
KA
C4071
10
16V
KA
C4091
47
16V
KA
C4116
1
50V
KA
C4078
1
50V
KA
C4069
47
6.3V
KA
C4084
220
10V
KS
C4017
47
6.3V
KA
C4031
4.7
50V
KA
C4041
4.7
50V
KA
C4049
22
6.3V
KA
CP4001_1
TOC-C04X-B1
1
2
3
4
L4021
22uH
L4012
220uH
L4011
12uH
L4016
39uH
IC4001
HA118217F
Y/C/AUDIO/CCD/HEAD AMP
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
52045-0645
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
S811Y
S811X
S819X
S819Y
S821X
S821Y
RECORD LUMINANCE SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
TUNER VIDEO SIGNAL
TUNER AUDIO SIGNAL
H.SW
2FSC
EE/VV
ENV_DET
SDA
SCL
D_V_SYNC
P.CON+9V
P.CON+5V_B
Y/C_VIDEO_OUT
Y/C_VIDEO_OUT
Y/C_AUDIO_OUT
REC_TU_AU1
REC_TU_A
REC_TU_V
GND
REAR_AU1
Y/C_AUDIO_OUT
P.CON+9V
P.CON+5V_B
FRONT_VIDEO
V.SYNC
REAR_VIDEO
FRONT_AUDIO
REAR_AUDIO
Y/C_VIDEO_OUT
Y/C_AUDIO_OUT
VCR_A_MUTE
H.SW
P.CON+5V_B
V.SYNC
SCL
SDA
D_V_SYNC
V.REC_ST_H
ENV_DET
REAR_AU1
CTL+
P.CON+5V_B
CTL-
VV_H
VCR_A_MUTE
CTL-
CTL+
REAR_VIDEO
FRONT_VIDEO
EE/VV
P.CON+5V_B
REC_TU_V
2FSC
VV_H
SDA
SCL
V.REC_ST_H
P.CON+5V_B
P.CON+5V_B
V.REC_ST_H
FRONT_AUDIO
REAR_AUDIO
P.CON+5V_B
REC_TU_AU1
HEAD
HEAD
P
VCA
REC EQ
GAP
BAND
DET
SP ON
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
VCC=5V
N.C.
SQUELCH
GEN
PULSE
WHAITH
LMIT
P
P
R
P
R
P
R
R
ADJ
LEVEL
MIX
LPF
+
R
DL
LEVEL DET2
P
R
CTL TRAP
FHTRAP
HPF
R
P
COMP
SEP
ACC
HPF
2M LPF
2FL VCO
COMP
MUTE
REC
R
P
AGC
FM
EQ
P
SQPB
SQPB
DL
S
TRAP
629
DET
DE EMPH
NL
EMPH
NL
S-DET
FO/DEV
ADJ
1
3
PRE
AMP
SP1
SP2
+
-
-
-
+
+
EP2
+
-
EP1
CH2
CH1
CH3
R
P
P
R
C GND DO
LPF
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
REC
DO
DO
R
P
+
APC
PB
2FSCVCO
CR DET 2FSC
X TAL VCO/OSD
TANC
P
R
R
P
YNR
CLAMP
CLAMP
R P
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
SP
DET
DET
EP
CH2
CH1
VCA
CH2
CH1
EP1
EP2
SP1
SP2
HA VCC
LIMITTER
DET OUT
KILLER
DET
ENV
HPF
R
YVCC
REC ON
2
A.GND
EP ON
HA GND
MUTE
AVCC
I-8
FROM/TO MICON
FROM/TO A/C HEAD
TO F/E HEAD
FROM/TO CYL/MOTOR
FROM/TO POWER
VM9171
PCB010
(SYSCON PCB)
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM
SP COM
NC
NC
NC
5.3
0
0.2
1.4
0
5.3
3.1
2.7
4.9
5.3
5.3
0
4.0
5.3
5.3
3.1
3.0
0
5.0
5.3
4.9
0
0
0
NC
NC
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
NC
NC
NC
NC
COLR
CTRL2
V OUT
SEP IN
SEP OUT
SEP C
SYNC IN
VDD2
VCOR
DAV
CTRL1
RST
VDD1
VCO IN
CP.OUT
VSS2
H.OUT
SYNC
SCL
SDA
NC
NC
NC
X’tal OUT
X’tal IN
VSS1
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
14
0
0.7
0
0
0
2.3
20
19
16
10
13
4.8
4.8
0
3.1
2.5
0
12
0.7
0
0
NC
FROM/TO 21PIN I/O