DSR-50/50P
3-9
3-10
3-5. OVERALL BLOCK DIAGRAM 5
JC-20 BOARD (3/6)
CM-59 BOARD
115
63
36
31
34
33
27
26
30
29
43
44
45
46
15
20
17
18
24
25
21
22
8
7
6
5
46
45
48
47
117
116
49
50
51
52
6.25V
14
15
55 53
5 20
25
22
26
23
27
24
4
1
21
24
6
19
1
63
4
60
42
41
39
40
30
31
32
33
18
12
17
13
9
11
23
22
24
54
17
3
5
7
9
2
23
18
1
2
16
17
14
13
8
7
10
9
11
10
5
6
3
4
1
2
CN5005 (1/2)
CAP FWD, CAP ON
CAP FG
DRUM MASTER CLK
DRUM FWD,
DRUM ON
IC5003
IC500
IC400
IC501
(1/2)
CAPSTAN
MOTOR
DRIVER
CAPSTAN
FG AMP
IC501
(2/2)
C MOTOR
DRIVER
(2/2)
MECHANISM
CONTROL
IC6001
(2/2)
MODE
CONTROL
DRUM PG, DRUM FG
CM (+), CM (–)
CM LIMIT ON,
CM LIMIT DET
05
(SEE PAGE 4-107)
(SEE PAGE 4-110)
(SEE PAGE 4-108)
(SEE PAGE 4-108)
C MOTOR
DRIVER
DRUM PG/FG
DRIVER
DRUM
PREDRIVE
CM LIMIT ON, CM LIMIT DET
CM+, CM–
DRUM PG, DRUM FG
DRUM CLK
CAP VS
REEL VS
DRUM VS
DRUM FWD, DRUM ON
CAP FG
CAP FWD, CAP ON
CN001 (1/2)
(SEE PAGE 4-37)
(SEE PAGE 4-40)
DRUM
MOTOR
DRIVER
M
M
DRUM
PG
CAP
FG
DRUM
MOTOR
CAPSTAN
MOTOR
M905
FL MOTOR
CN400
CN500
CN501
M904
M903
M901 (2/2)
68
69
71
9
28
35
40
50
23
16
11
1
8
6
7
SWICHING
SWICHING
SWICHING
SWICHING
16
7
9
25
6
7
30
11
44
39
46
40
IC300
IC100
DC/DC
CONVERTER
HI C/R SW
REEL PWM
CAP PWM
DRUM PWM
L. P. F.
L. P. F.
L. P. F.
L. P. F.
L. P. F.
(1/3)
IC102
BUFFER
(SEE PAGE 4-105)
IC500
(SEE PAGE 4-107)
(SEE PAGE 4-109)
(SEE PAGE 4-105)
VREF
IC200
REEL
MOTOR
DRIVE
(SEE PAGE 4-106)
IC202
REEL MOTOR
FG AMP
(SEE PAGE 4-105)
44
43
41
39
38
119
26
6
1
4
10
12
13
21
22
23
Q200
BUFFER
2
3
REEL
FG
1
ı
6
8
10
REEL
MOTOR
REEL FWD,
REEL ON
REEL M FG
REEL FWD, REEL ON
REEL M FG
CN3
V, U, W
U, V, W
PG, FG
CM LOAD, CM UNLOAD
U, V, W
FG2, FG1
FG1, FG2
REEL V/U/W
MR FG1, MR FG2
15
25
24
2
29
1
2
LM (+), LM (–)
IC300
(3/3)
LOADING MOTOR
DRIVER
(SEE PAGE 4-109)
LM+, LM–
LM+, LM–
M
M
M902
CAM MOTOR
CN300
MD-76 BOARD
IC300
(SEE PAGE 4-109)
(2/3)
REEL FG AMP
TAPE TOP/END
DETECT
113
114
7
8
13
14
6
12
10
11
18
19
53
54
20
23
14
17
13
16
19
22
85
96
55
97
22
18
68
98
99
17
16
42
ı
39
4
ı
1
20
IC5008
LEVEL SHIFT
(SEE PAGE 4-38)
71
72
73
22
23
24
44
43
38
37
45
39
41
40
33
32
29
28
27
47
ı
50
34
35
13
21
15
14
1
18
17
16
13
21
15
14
18
17
16
7
ı
4
15
12
14
3
2
8
9
1
7
ı
4
15
12
14
3
2
8
9
IC5
IC4
S REEL FG
T REEL FG
1
7
2
3
6
7
ELETEN
ERROR AMP
(SEE PAGE 4-117)
IC1
IC2
IC3
H
H
MODE
SW
DEW
CN5005 (2/2)
CN001 (2/2)
SREEL FG, TREEL FG
TAPE ON
TAPE END
CHIME SCK, CHIME SDA,
CHIME VDD
REC PROOF
S REEL ERR,
T REEL ERR
MODE SW D-A
DW DET
TAPE LED ON
L CASSETTE
SREEL FG,
TREEL FG
TAPE TOP
TAPE END
CHIME SCK,
CHIME SDA,
CHIME VDD
REC PROOF
S ELTN ERR,
T ELTN ERR
MODE SW D-A
DEW DET
TAPE LED ON
L CASSETTE
XC IN
XCC DOWN
S REEL FG, T REEL FG
TAPE TOP
TAPE END
CHIME SCK, CHIME SDA, CHIME VDD
REC PROOF
DEW
TAPE LED
L CASSETTE
C IN
CC DOWN
REEL ERROR
CN201
CN1
SFG IN
TFG IN
TOP SENS
CN200
CN2
END SENS
S ELETEN, T ELETEN
MODE D-A
DEW
TAPE LED
L CASSETTE
C IN
CC DOWN
MODE D-A
DEW
TAPE LED
L CASSETTE
C IN
CC DOWN
S REEL FG
T REEL FG
TAPE TOP
REC PROOF
TAPE END
S ELETEN
T ELETEN
CHIME2 (SCK)
CHIME3 (SDA)
CHIME4 (VDD)
Q2
(TAPE TOP)
Q1
(TAPE END)
FOR CASSETTE
MEMORY
D1
(TAPE LED)
S1
(L/S CASSETTE)
S2
(C IN)
S3
(CC DOWN)
1
2
7
X5001
20MHz
XSYS RESET
1
2
21
17
27
30
61
38
58
65
67
55
72
22
64
62
9
34
33
35
32
50
49
48
81
82
83
40
41
X6001
20MHz
15
17
3
1
5
28
29
19
22
14
4
2
3
23
24
25
16
18
20
10
8
6
12
CN6002
CN6001 (2/2)
LANC IN
LANC OUT
XLANC PWR ON
EJECT
PARSLEY MODE
XRESET
XSLEEP
XIC RST
MO XWAKEUP
XSYS RST
XCS UVIC
UVIC BUSY
UVIC GATE
XI/O SYNC HI
XI/O SYNC VFD
OSD VD
JC-20 BOARD
(1/6)
VD-28 BOARD
(5/5)
CN332 (4/4)
VD-28 BOARD
(1/5)
CN703 (1/2)
UVIC SWIN
MO SCK, MO SO, MO SI
HI SI, HI SO,
HI SCK, XCS MO
CN1101 (4/4)
JIG PIN
(FOR CHECK)
B
E
11
104
105
48
49
3
2
1
ı
6
9
12
1
ı
6
9
12
OVERALL1
SEE PAGE 3-2
OVERALL9
SEE PAGE 3-17
OVERALL2
SEE PAGE 3-3