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
L4004
2623003
15.6KHz TRAP
1
2
3
4
6
L4007
100uH
Q4006
2SD734
BIAS OSC
Q4010
2SC2412K
BUFFER
Q4002
2SC3331
AUDIO
PB SW
Q4001
2SC3331
AUDIO
PB SW
Q4008
2SC2412K
SW
Q4005
2SA1318
BIAS CTL
Q4009
2SA1037K
BUFFER
Q4007
2SA1037AK
BUFFER
X4001
3.579545MHz
C4058
22
6.3V
KA
C4034
1
50V
KA
C4016
4.7
25V
KA
C4011
1
50V KA
C4017
1
50V
KA
C4004
47
16V
KA
C4043
1
50V
KA
C4024
4.7
25V
KA
C4010
47
6.3V
KA
C4053
0.01 B
C4054
0.01 B
C4049
200P
CH
C4047
18P CH
C4018_1
0.0027
Y
C4002
0.01 B
C4044
0.1
F
C4077
0.1 B
C4036
0.022
B
C4032
0.022
B
C4085
0.1
B
C4029_1
0.056
B
C4055
0.022
F
C4048
0.01
B
C4050
0.01
F
C4038
0.1
F
C4025
0.0022
B
C4005
0.01
B
C4003
0.1
F
C4009
0.1 F
C4072
0.1
B
C4078
0.1 B
C4066
1F
C4073
1F
C4065
1F
C4014
0.039
B
C4006
0.015
B
C4041
390P
CH
C4069
0.01 B
C4083
27P
CH
C4052
0.01 F
C4028
0.1
B
C4027
820P
CH
C4020
0.01 B
C4015
0.022
100V
TF
C4074
470P
CH
C4051
0.01 B
C4046
0.01 B
R4057 2.2K
R4005
1M
R4063
3.3M
R4055 10K
R4078
100
R4039
33K
R4068
47K
R4067
47K
R4048
4.7K
R4049
1.2K
R4051
27K
R4047
39K
R4013
12K
R4012
18K
R4007
330
R4072
12K
R4008
15K
R4009 3.3K
R4065
2.2K
R4046
1K
R4041
6.8K
R4044
8.2K
R4019
4.7K
R4026
47K
R4070
47K
1/4W
R4031
12K
1/4W
R4050
680K
R4010
3.3K
R4027
270
R4034
820
R4036
47K
R4054
2.7K
R4004
2.7K
R4079
3.3K
R4053
1.5K
R4066
4.7K
R4059
3.9K
R4020
10K
R4015
2.2
R4052
56 1/4W
R4028
1.5K
R4029
2.2M
R4060
220K
R4076 1M
R4062
220K
R4081
47K 1/4W
R4006
56
1/4W
R4033
1K
R4014
1.8K
R4024
10K
R4032
27K
R4022
6.8K
R4023
15K
R4025
270K
R4003
10K
R4002
10K
R4001
560
R4011
22K
C4061
1
50V KA
C4057
47
16V
KA
C4039
1
50V
KA
C4037
1
50V
KA
C4033
2.2
50V
KA
C4031
2.2
50V
KA
C4030
10
16V
KA
C4045
47
6.3V
KA
C4070
47
6.3V
KA
C4035
100
6.3V
KA
C4076
100
6.3V
KA
C4026
100
6.3V
KA
C4060
1
50V
KA
C4075
10
16V
KA
C4062
1
50V KA
C4008
100
6.3V
KA
C4023
22
6.3V
KA
C4021
33
6.3V
KA
C4071
1
50V KA
C4059
4.7
25V
KA
C4007
1
50V KA
C4022
10
16V
KA
W896
W863
W828
W823
W827
W821
W836
W822
W879
L4002
100uH 0305
L4008
100uH 0305
L4003
100uH
L4001
100uH 0305
L4005
47uH
0305
L4009
100uH
L4010
100uH
0305
TUNER VIDEO SIGNAL
D4004
MTZJ6.8B
D4003
MTZJ6.8B
TP4001
JWF-50K-1
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE:
THE DC VOLTAGE AT EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
IC4001
LA71067SM-MPB
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
CP4001_1
TOC-C04X-B1
1
2
3
4
AUDIO SIGNAL(PB)
AUDIO SIGNAL(REC)
CP4003
TMC-T02X-E1
1
2
T4001
1626007
COIL,
BIAS OSC
1
2
3
4
5
6
CP4002
IMSA-9604S-06Z14
1
2
3
4
5
6
Q4003
DTA124ES
SW
RECORD COLOR SIGNAL
S801Y
S801X
S802X
S802Y
S807X
S807Y
CAUTION: DIGITAL TRANSISTOR
RECORD LUMINANCE SIGNAL
TUNER AUDIO SIGNAL
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
IS NON POLAR ONE.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
THE RESISTOR MARKED F IS FUSE RESISTOR.
NOTE:
TU_AUDIO
P.CON+5V
INPUT_SEL
REAR_A_IN_R
FRONT_A_IN_L
SP/LP/EP-H
FRONT_VIDEO_IN
FRONT_A_IN_L
REAR_VIDEO_IN
REAR_A_IN_R
SD_VIDEO
P.CON+5V
Y/C_AUDIO
GND
GND
SP/LP/EP-H
TRICK_PB-H/EE-H
P.CON+5V
V.REC_ST_H
C_ROTARY
VCR_A_MUTE
TU_VIDEO
REC/EE/PB
DUMMY_V.SYNC
CTL-
FRONT_VIDEO_IN
CTL+
DOC_XO_CTL
INPUT_SEL
ENV_DET
REAR_VIDEO_IN
COMP
ENV_DET
H.SW
SD_VIDEO
V.SYNC
COMP
CHROMA_VIDEO
Y/C_AUDIO
DUMMY_V.SYNC
P.CON+5V
P.CON+5V
SD_VIDEO
Y/C_AUDIO
CTL+
V.REC_ST_H
TU_AUDIO
CTL-
TU_VIDEO
CHROMA_VIDEO
GND
V.SYNC
TRICK_PB-H/EE-H
V.REC_ST_H
VCR_A_MUTE
DOC_XO_CTL
SP/LP/EP-H
REC/EE/PB
C_ROTARY
P.CON+5V
H.SW
(SYSCON PCB)
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM
PCB010
VMX192
NC
NC
(S801)
FROM/TO POWER
(CD4001)
12
21
13
11
(S802)
FROM/TO MICON
0
0
0
0
5.2
5.2
0
2.5
2.4
5.1
0
0.3
2.8
4.6
0
1.0
0
1.8
1.8
1.8
1.8
5.1
0
1.8
1.8
1.8
1.8
0
2.4 2.4 2.4
0 2.4 5.0 2.3 2.3 2.8 2.3 1.5 2.0
0
0
4.0 2.3 2.2 3.0 4.1 3.4 4.9 3.4 5.0 5.0
5.0 4.2 2.3 0.1
0
2.2
0
2.7
2.5
3.0
3.2
2.8
4.9
2.8
3.5
2.5
1.5
1.0
3.0
4.8
1.0
2.1
0
2.8
3.4
2.0
0.2
1.0
5.0
1.6
0
4.9
0
0
0.8
0.8
0.8
0
0
5.0
NC
5.0
1.5
2.4
2.4
0
2.4
2.4
2.4
2.4
VIDEO OUT
AFC
DET
SYNC
AUTO-BIAS
VSS
VSS
R
P
TIMMING
ACC
AMP
PB
H.A
CH3
OUT
REC SP
OUT
REC EP
ALC-LEVEL
PB-Y
R
P
NC1
DEEN
N.L.
MIX
Y/C
PB-C
1
3
2
R
P
P
R
AFTER
BEFORE
R
P
R
P
KIL
R
P
NOMAL
HA TEST
P
R
R
P
R
P
TEST
R
P
R
NOMAL
VHS
SQPB
SW
SW
H.AMP
H.AMP
L
H
CH1
CH2
CH4
L
H
L
H
H.A GND
Y-Vcc
Y-GND
4Fsc
IN
OUT
C.SYNC
BGA
BGA
TEST
R-EQ
PHASE-EQ
PB
CLOCK
PULL
OUT
CCD
DRIVER
FM-EQ
S-EQ
AFC
REC
APC
PB
APC
REC
BPF1
3.58M
BPF2
3.58M
CONV
V/I
DEM
FM
SUB
LPF
ENH
DETAIL
EMPHA
NL
LIM
DOUBLE
Y-LPF
YNR/COMB
INS.
Chara
6DB
SEP
SYNC
1/2
FBC
TC2
AGC
V-AGC
CLAMP
VCP
CLAMP
VCA
CLAMP
VDD
C-VCC
5V
ALWAYS
SLD
VCO
320FH
VX01
C-LPF
BGA DET
ACC
AMP
B-UP
C-GND
REG
DET
KIL
KIL
KIL
B.D.
GCA
AMP
CONV
Main
BPF
4.21M
BALANCER
CONV
Sub
MOD
FM
REC
FM-EQ
DC
WC
FM
AGC
DELAY
FM-EQ
PB
+
AMP
AGC
IN
IN
AMP
CTL
R
HA SW
C ROT
RF SW
MUTE
AUDIO
R/P
R/P
AUDIO
R/P
Y/C
FILT
REC AGC
COMP OUT
ENV DET
H.A VCC
H.A GND
AMP
LINE
BIAS
AUTO
MUTE
A.GND
P
A-Vcc
2.3V
Vref
ALC
/EE
PB
Vref
AMP
REC:
EP/LP
PB:EP
REC
PB/EE
AMP
EQ
SP-CH1 (R)
SP-CH2 (L)
NC
NC
NC
NC
2.2
NC
1.4
2.8
2.3
2.6
0
2.0
2.6
0
SP_COM
NC
4.2
4.4
0
4.6
0.7
0
0
0
0
0.7
FE HEAD(GND)
FE HEAD(HOT)
FROM/TO F/E HEAD
FROM/TO I/O
FROM/TO CHROMA/IF
2.6
4.8
5.0
4.2
0
5.3
5.2
AUDIO PB
AE HEAD(+)
CTL-
CTL+
AUDIO REC
AE HEAD(-)
FROM/TO A/C HEAD
FROM/TO CYL/MOTOR