Table of Contents
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GRID CONTROL SIGNAL PATH
SEGMENT CONTROL SIGNAL PATH
1
DP7501
(A33)
A2BD00000040
VCR
VHS
CH
CVC
F + F +
1
2
5
6
7
8
9
10 11 12 13 14
15 16 17 18 19 20 21 22
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
R7512
15
36
35 34 33 32 31 30 29 28 27
26 25 24 23 22 21 20 19
IC7501
M35502AFP-E1
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18
R7503
10K
R7507
220
Q2001
2SC1959YT2M
(REG.)
TW6003
R7505
12K
R7506
2
12K
C7502
0.1
C7504
6V100
Q4501
2SC1959YT2M
(AU.REG.)
Q4007
2SC1959YT2M
(TU.REG.)
PICT/
SEARCH
D. TV REC
S7503
S7504
EVQ11L07B
EVQ11G07K
R7501
150K
CH DOWN
REC
T. REC
S7507
S7506
S7505
EVQ11G07K
EVQ11L07B
EVQ11G07K
R7521
3900
R7514
3600
R7515
3900
R7517
3600
(B40)
(B41)
(B39)
(B36)
(B33)
3
10
11
<A-LINE>
SP
ON OFF
REMAIN
F - F -
44 45
D7502
C7505
MA4220N
35V10
R7510
820
R7504
100
C7503
0.1
<6.4V>
R1305
470
D1301
R1303
470
MA4075N
R1304
470
Q6001
C6019
2SD601A
0.01
(REG.)
R1301
1500
D6008
MA165TA5VT
D6005
MA165TA5VT
C1304
0.01
R1302
1800
Q2002
D1302
2SD601A
Q3010
C1301
MA4056N
(REG.)
2SC1959YT2M
6V47
(V.REG.)
L2001
Q1341
68u
C1303
2SD1996
0.01
(REG.)
R1351
470
C1352
D1351
6V47
MA4056N
<5.0V>
<5.0V>
<5.0V>
<5.0V>
C1341
0.01
<5.0V>
R1341
10K
R1342
10K
<5.0V>
<5.0V>
<5.0V>
SEARCH/
STOP/
CH UP
REW/PLAY
STOP
PAUSE
S7508
S7510
S7509
S7511
EVQ11404M
EVQ11404M
EVQ11L07B
EVQ11G07K
R7518
9100
R7516
5100
R7519
5100
<B-LINE>
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
HAVE THE SPECIAL CHARACTERISTICS
FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS USE ONLY THE SAME TYPE.
12
MODE SW
S2001
VSS0520-4
(A18)
4
(A20)
3
(A19)
2
R2001
1
100
PP6301
(A24)
1
SHUTTLE1
(A23)
2
SHUTTLE2
(A22)
3
SHUTTLE3
(A21)
4
SHUTTLE4
5
GND
(A25)
6
JOG A
(A26)
7
JOG B
(A17)
TO JOG PCB
(A32)
(A28)
TRACK ENV
V
(A29)
SQPB/SE/VHS
V
(A31)
T S CURVE
A
(A33)
HE +
P
HE -
P
UNREG -29V
P
(B10)
(B5)
(B11)
UNREG 6V
P
<12.0V>
12.0V
A
UNREG 38V
P
K4010
A/V 5.0V
V
UNREG 38V
A
V/A 5.0V
V
<5.0V>
VIDEO 5.0V
V
TUNE 5.0V
A
AUDIO 5.0V
A
<12.0V>
12.0V
V
13
SYSTEM CONTROL & SERVO ICs VOLTAGE CHART (SP MODE)
Ref.No.
IC2501
MODE
1
2
3
4
5
6
7
8
9
10
11
STOP
14.4 14.4 14.7 1.1
5.0
1.0
1.0
0.5
2.3
1.3
0
PLAY
14.3 14.3 14.6 1.1
5.0
1.0
1.0
0.4
2.3
1.3
0
REC
14.3 14.3 14.6 0.8
5.0
1.0
1.0
0.4
2.3
1.3
0
F.F
14.1 14.1 14.5 0.8
5.0
1.0
1.1
0.4
2.4
1.3
0
REW
14.1 14.1 14.5 1.1
5.0
1.0
1.1
0.5
2.3
1.3
0
Ref.No.
IC6001
MODE
1
2
3
4
5
6
7
8
9
10
11
STOP
0.8
0
2.4
0
0
4.9
4.8
4.7
1.0
0
0
PLAY
0.8
0
2.3
0.3
0
4.9
4.7
4.7
1.6
0
4.6
REC
0.8
0
2.3
0.3
0
4.9
4.8
4.6
0
0
4.6
F.F
0.8
0
2.3
0.3
0
4.9
4.7
4.5
0.8
0
4.8
REW
0.8
0
2.3
0.4
0
4.9
4.6
4.5
3.5
0
4.8
Ref.No.
IC6001
MODE
21
22
23
24
25
26
27
28
29
30
31
STOP
0
0
0
0
4.8
0
0
0
0
0
4.8
PLAY
0
0
0
0
0
0
0
0
0
0
4.8
REC
0
0
0
4.7
4.8
0
0
0
0
0
4.8
F.F
0
0
0
0
0
0
0
0
0
0
4.8
REW
0
0
0
0
4.8
0
0
0
0
0
4.8
Ref.No.
IC6001
MODE
41
42
43
44
45
46
47
48
49
50
51
STOP
4.8
0
0
4.4
4.4
0
1.3
2.1
0
2.2
4.2
PLAY
4.8
4.8
0
4.6
4.6
0
1.3
2.0
0
2.2
4.2
REC
4.8
4.8
0
0
0
0
1.3
2.0
0
2.2
4.2
F.F
4.9
0
0
2.9
2.9
0
1.3
2.1
0
2.2
4.2
REW
4.8
0
0
2.9
2.9
0
1.3
2.1
0
2.2
4.2
Ref.No.
IC6001
MODE
61
62
63
64
65
66
67
68
69
70
71
STOP
0
0
0
0
2.5
0
0
3.5
3.5
3.7
3.7
PLAY
0
0
0
0
2.7
0
0
3.4
3.4
3.7
3.7
REC
0
0
0
0
2.5
0
0
4.1
3.6
3.7
3.6
F.F
0
0
0
0
3.7
0
0
4.1
3.9
4.0
3.7
REW
0
0
0
0
3.7
0
0
3.7
3.7
3.8
3.6
Ref.No.
IC6001
MODE
81
82
83
84
85
86
87
88
89
90
91
STOP
0
0
0
4.1
0
2.4
2.4
0
0
1.1
2.4
PLAY
0
0
0
4.1
0
2.4
2.4
0
0
1.1
2.4
REC
0
0
0
4.1
0
2.4
2.4
0
0
0.8
2.4
F.F
0
0
0
4.2
0
2.5
2.5
0
0
1.1
2.5
REW
0
0
0
4.2
0
2.5
2.5
0
0
0.8
2.5
Ref.No.
IC6002
IC6003
MODE
1
2
3
4
5
1
2
3
1
STOP
4.9
4.9
0
0
0
4.9
0
4.9
1.1
PLAY
4.9
4.9
0
0
0
4.9
0
4.9
1.1
REC
4.9
4.9
0
0
0
4.9
0
4.9
1.1
F.F
5.0
5.0
0
0
0
4.9
0
4.9
1.1
REW
5.0
5.0
0
0
0
4.9
0
4.9
1.1
Ref.No.
IC7501
MODE
1
2
3
4
5
6
7
8
9
10
11
STOP
3.6
3.8
2.5
4.9
4.9
0
0
0
2.3
4.9 -24.7 -25.0 -25.1 -25.0 -24.9 -24.9 -24.9 -18.5 -29.8 -29.6
PLAY
REC
F.F
REW
Ref.No.
IC7501
MODE
21
22
23
24
25
26
27
28
29
30
31
STOP
-18.5 -20.0 -14.0 -14.0 -19.0 -14.5 -14.6 -14.0 -18.6 -15.0 -15.0 -15.5 -24.4 -20.0 -10.5 -15.0
PLAY
REC
F.F
REW
SYSTEM CONTROL & SERVO TRANSISTORs VOLTAGE CHART (SP MODE)
Ref.No.
Q1341
Q2001
Q2002
Q3010
MODE
E
C
B
E
C
B
E
C
B
E
C
STOP
12.2 14.7 12.9 5.0
5.7
5.7
5.0
5.7
5.7
5.0
5.6
PLAY
12.3 14.7 12.9 5.0
5.9
5.8
5.0
5.9
5.7
5.0
5.8
REC
12.3 14.7 12.9 5.0
5.8
5.8
5.0
5.8
5.7
5.0
5.7
F.F
12.5 14.5 13.2 5.0
6.1
5.7
5.1
6.1
5.8
5.0
6.0
REW
12.5 14.5 13.2 5.0
6.0
5.7
5.1
6.1
5.8
5.0
6.0
Ref.No.
Q6001
Q6002
Q6003
MODE
E
C
B
-
+
-
+
STOP
6.4
7.7
7.0
0
4.7
0
4.8
PLAY
6.4
7.7
7.0
0
4.7
0
4.8
REC
6.4
7.7
7.0
0
4.7
0
4.8
F.F
6.4
7.6
7.1
0
4.7
0
4.8
12
13
14
15
16
3.8
3.8
3.9
0
14.4
3.8
3.8
3.8
0
14.3
3.8
3.8
3.8
0
14.3
3.8
3.8 36.8
0
14.2
3.8
3.8
3.8
0
14.0
12
13
14
15
16
17
18
19
20
4.9
0
4.9
4.8
0
4.8
-
0
0
4.9
0
4.9
4.8
0
4.8
-
-
0
4.8
0
4.9
4.8
0
4.8
-
0
4.7
4.9
0
4.9
4.7
0
4.8
-
0
0
4.9
0
4.9
4.8
0
4.8
-
0
0
32
33
34
35
36
37
38
39
40
0
0
0
1.5
1.5
4.8
-
-
0
0
0
4.8
1.5
1.5
4.8
-
-
0
0
0
4.8
1.5
1.5
4.8
-
-
0
4.8
0
4.8
1.5
1.5
4.8
-
-
0
4.9
0
4.9
1.6
1.6
4.9
-
-
0
52
53
54
55
56
57
58
59
60
2.2
5.0
2.1
1.5
1.9
0
0
0
0
2.2
5.0
2.1
1.5
1.9
0
0
0
0
2.2
5.0
2.1
1.5
1.9
0
0
0
0
2.2
5.0
2.0
1.5
1.9
0
0
0
0
2.2
5.0
2.0
1.4
1.9
0
0
0
0
72
73
74
75
76
77
78
79
80
3.5
2.4
0
0
0
2.3
4.9
0.1
5.0
3.5
2.4
0
0.3
2.4
2.3
4.9
5.0
5.0
3.5
2.4
0
0.3
2.4
2.3
4.9
5.0
5.0
3.6
2.5
0
4.5
4.8
2.3
5.0
2.3
2.3
2.5
4.8
4.5
4.8
2.3
5.0
2.2
2.7
5.0
92
93
94
95
96
97
98
99
100
2.4
0
2.4
2.4
2.4
2.4
4.9
4.9
4.8
2.4
0
2.4
2.4
2.4
2.3
4.9
4.9
4.8
2.4
0
2.9
2.1
2.4
2.4
4.9
4.9
0
2.5
0
2.4
2.4
2.4
2.4
5.0
5.0
4.9
2.5
0
2.4
2.4
2.4
2.5
5.0
5.0
4.9
IC6004
2
3
4
2.2
5.0
0
2.2
5.0
0
2.2
5.0
0
2.2
2.2
0
2.2
2.3
0
12
13
14
15
16
17
18
19
20
32
33
34
35
36
Q4007
Q4501
B
E
C
B
E
C
B
5.7
5.0
5.6
5.7
5.0
5.6
5.7
5.8
5.0
5.8
5.7
5.0
5.8
5.8
5.7
5.0
5.7
5.7
5.0
5.7
5.8
5.7
5.0
6.0
5.7
5.0
6.0
5.7
5.7
5.0
6.0
5.7
5.0
5.9
5.7
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