
DSR-11
NO MARK:REC/PB MODE
*
:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
0.7
3
0.8
1.9
0.4
0.4
0.4
0.8
6.7
3.1
3
1.7
1.7
1.4
1.4
1
1
1.6
1.6
1.6
0.2
0.1
0
*
0
0.1
3.1
4.9
4.9
0.5
0.5
0.4
0.4
0
3.1
1.3
3.1
0
0
*
3.1
1.8
*
*
1.3
1.8
3.1
3.1
2.5
3.1
3.1
2.5
0.8
11.9
11.8
11.7
11.9
6.7
2.4
11.9
11.7
11.7
11.9
2.6
12.5
0.9
11.8
11.9
11.7
2.3
0.9
0.6
12.4
11.7
11.7
11.4
12.3
10.8
2.5
1.3
0.9
0.9
2.6
2.5
1.4
1.4
1.4
6.7
1.3
1.6
4.9
4.9
4.9
2.5
4.9
0
4.9
2.5
2.5
1.9
0
4.9
0.5
0.5
1.9
0
11.6
12.3
10.9
0
0.5
0.9
0.4
8
7
6800
R106
CL301
0.022u
C114
470
R101
L102
10uH
0
R128
CL113
10uH
L101
560
R303
20V
4.7u
C406
XX
R113
CL024
27k
R123
CL106
CL013
CPH3109-TL
Q102
0.001u
C103
CL004
10k
R111
0.5%
4700
R312
CL019
0
R307
47k
R103
CL303
CL009
CL122
CL102
0.001u
C101
C131
C132
XX
R134
0.001u
C528
0.1u
C118
0.022u
C108
50P
CN001
1
HI_C/R_SW
2
LM(-)
3
LM(+)
4
CM_LIMIT_EVR
5
CM_LIMIT_DET
6
CM_LIMIT_ON
7
CM(-)
8
CM(+)
9
GND
10
REEL_M_FG
11
REEL_PWM
12
REEL_FWD
13
REEL_ON
14
GND
15
CAP_FG
16
CAP_PWM
17
CAP_FWD
18
CAP_ON
19
GND
20
DRUM_MASTER_CLK
21
DRUM_PG
22
DRUM_FG
23
DRUM_PWM
24
DRUM_FWD
25
DRUM_ON
26
GND
27
CHIME_VDD
28
CHIME_SDA
29
CHIME_SCK
30
CAP_EVR
31
REEL_EVR
32
TREEL_FG
33
SREEL_FG
34
S_ELTN_ERR
35
T_ELTN_ERR
36
GND
37
DEW_DET
38
REC_PROOF
39
L_CASSETTE
40
XCC_DOWN
41
XC_IN
42
GND
43
TAPE_END
44
TAPE_TOP
45
TAPE_LED_ON
46
GND
47
MODE_SW_D
48
MODE_SW_C
49
MODE_SW_B
50
MODE_SW_A
12k
R117
CL310
0.1u
C404
CL111
0
R402
0
R136
10u
20V
C137
22k
R114
10u
20V
C135
180
R527
1
R342
CL110
0.001u
C327
47k
R316
LB8112V-TLM
IC300
1
2
3
4
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
CL026
XX
R121
100uH
L105
CL308
10uH
L400
CL008
C325
560p
C109
0.001u
C105
CL109
0.001u
C100
4700p
C330
10k
R326
CL105
0.5%
5600
R107
100k
R330
0.1u
C326
0
R109
4700p
C331
180
R528
CL309
CL025
2SD2216J-
QR(K8).SO
Q302
0.5%
3300
R311
33k
R115
0
R304
0.1u
C402
0
R110
CL022
CL408
CL315
CL300
CL304
0.1u
C407
2200
R309
3300p
C104
18k
R403
10k
R324
10k
R327
C116
CL031
CL404
100p
C300
XX
R119
10k
R126
0
R124
0
R120
1k
R100
0.001u
C526
CL411
0
R323
CL313
CL101
10u
20V
C134
CL402
0.1u
C303
CL409
0
R329
RB051L-40TE25
D101
0
R108
CL112
CL116
0.5%
5600
R131
3300
R335
10k
R328
0.1u
C324
CL400
XX
R125
C130
2700
R313
CL305
33uH
L107
15k
R301
CPH3109-TL
Q103
CL012
C321
CL302
0
R306
CL104
C129
C320
CL120
8P
CN100
1
3V
2
GND
3
5V
4
5V
5
UNREG 12V
6
UNREG 12V
7
GND
8
GND
CL046
0.1u
C113
RB051L-40TE25
D104
56k
R127
3300p
C106
CL318
2700
R314
UN9211J-(TX).SO
Q105
CL005
CL007
RB051L-40TE25
D102
CL407
CL042
0.1u
C401
CL119
CL307
CL045
CL014
0.5%
33k
R105
15k
R300
0.1u
C301
2.2u
C322
CPH3109-TL
Q100
RB051L-40TE25
D103
100k
R336
0.001u
C323
C117
C119
10k
R333
0
R308
XX
R305
C115
1
R337
CL312
560
R302
1.25A
F100
/125V
CL036
0.5%
62k
R104
47k
R315
0.022u
C329
CL100
CL316
CPH3109-TL
Q101
220p
C111
0
R122
3300p
C112
100uH
L104
0.5%
20k
R116
2P
CN300
1
LM+
2
LM-
CL412
180
R529
22uH
L106
CL121
CL018
LB1991V-TLM
IC400
123
4
56789
1
0
1
1
1
2
13
14
15
16
17
18
19
20
21
22
23
24
CL006
2200
R310
CL410
10k
R334
100k
R332
0.1u
C107
CL023
CL103
0.5%
3300
R340
MB3785APFV-G-BND-ER
IC100
1
2
3
4
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
42
43
44
45
46
47
48
CL030
100p
C302
10uH
L103
100
R102
0.001u
C529
18P
CN400
1
HW-
2
HW+
3
HV-
4
HV+
5
HU-
6
HU+
7
V
8
V
9
W
10
W
11
HE VCC
12
HE GND
13
U
14
U
15
MR GND
16
FG2
17
FG1
18
FG VCC
CL117
CL306
100k
R405
0
R118
10u
20V
C136
20V
4.7u
C405
CL115
0.001u
C102
XX
R331
CL001
1k
R112
CL311
100k
R325
180
R526
CL017
0.001u
C527
CL401
CL314
0.5%
4700
R339
2SB709A-QRS-TX
Q104
0.1u
C400
CL114
10uH
L100
0.1u
C403
2SD2216J-QR(K8).SO
Q301
10k
R400
12-9
12-8
12-7
+5V
+3V
12-6
12-4
12-3
REG_GND
12-1
12-2
1
A
M
12-5
REEL_PWM
LM-
CM_LIMIT_ON
TAPE_END
LM+
MODE_C
REEL_M_FG
TFG_IN
DRUM_CLK
CAP_PWM
CAP_FG
TOP_SENS
S_ELETEN
REC_PROOF
TAPE_TOP
DRUM_PWM
LM-
TREEL_FG
REEL_FWD
T_ELETEN
DRUM_FWD
CAP_PWM
DRUM_PG
CAP_FG
TREEL_FG
SFG_IN
SREEL_FG
CHIME_SDA
DRUM_ON
CAP_ON
REEL_PWM
TAPE_END
CM+
CAP_FWD
LM+
DRUM_FG
C_IN
CM-
MODE_D
L_CASSETTE
SREEL_FG
CM_LIMIT_DET
CC_DOWN
REEL_EVR
END_SENS
MODE_A
CHIME_VDD
REEL_ON
CHIME_SCK
TAPE_LED
MODE_B
TAPE_TOP
CAP_FWD
CAP_ON
C5514
D5662
(UNLOAD)
(LOAD)
C5515
2
16
L
I
20
K
12
G
6
8
D
E
HD-024 BOARD (4/5)
B
7
05
19
15
13
10
17
11
C
21
H
F
3
18
J
14
9
4
5
M
D5662
D5662
D8513
D5662
D8513
DC-1492 BOARD
(SEE PAGE 4-92)
CN3
JC-20 BOARD (10/14)
CN5005
(SEE PAGE 4-38)
IC400
IC300
IC100
-REF.NO.:40,000 SERIES-
DC/DC CONVERTER,CAPSTAN MOTOR DRIVE,CAM MOTOR DRIVE
XX MARK:NO MOUNT
HD-101 HARNESS
THROUGH THE
FJC-1 FLAT CABLE
THROUGH THE
CAPSTAN
MOTOR
M903
M902
CAM
MOTOR
HD-024 BOARD (5/5)
12
Drum speed servo
SIGNAL PATH
PB
Capstan servo(speed and phase)
REC/PB
Drum phase servo
Drum servo(speed and phase)
REC
4-68
HD-024 (DC/DC CONVERTER, CAPSTAN MOTOR DRIVE, CAM MOTOR DRIVE) SCHEMATIC DIAGRAM
• See page 4-71 for HD-024 printed wiring board.
• See page 4-98 for waveforms.
4-67
DC/DC CONVERTER, CAPSTAN MOTOR DRIVE, CAM MOTOR DRIVE
HD-024 (4/5)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une piéce portant le numéro spécifié.