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DCR-TRV140/TRV140E/TRV140M
4-35
4-36
VC-273 (DRUM/CAPSTAN MOTOR DRIVE) SCHEMATIC DIAGRAM • See page 4-11 for VC-273 printed wiring board.
• See page 4-65 for waveforms.
DRUM/CAPSTAN MOTOR DRIVE
VC-273 (11/16)
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
:TRV140/TRV140M
:TRV140E
28
26
27
29
0.7
1.4
2.8
2.8
2.8
1.7
1.7
1.4
1.4
1
1
1.4
1.4
8.3
1.3
0.6
0.6
0.6
1.9
0.9
0
4.2
0.3
2.8
1.3
0.1
1.3
1.3
2.8
4.9
8.3
0-2.8
0-2.8
1.2
1.2
1.2
1.2
0.1
0.5
0
0
3.4
0.3
0.3
2.8
3.3
2.1
2.8
1.4
0.1
1.3
1.3
1.3
1
0.1
2.8
0.4
0.4
0.5
1.1
1.1
2.8
1.3
0
0
0
0
0
0
0.1
1.7
1.7
1.7
1.7
1.7
1.7
1.7
2.2
R4452
0.47u
C4439
C4402
0.1u
CL4402
R4430
470k
0.1u
C4416
0.1u
C4411
1u
C4420
R4419
XX
R4432
47k
DRUM_ON
CAP_FWD
RB4403
10k
C4417
0.001u
39k
R4449
CAP_PWM
CFG_DUTY
33k
R4457
DRUM_ERROR
S_REEL_EVR
0.1u
C4412
DRUM_FG
T_REEL_EVR
CAP_ERROR
C4424
0.1u
REC_PROOF_SW
6.3V
3.3u
C4408
XX
C4407
ME_SW
R4427
10k
REG_GND
LM_LIM_ON
1
R4408
R4401
47k
C4425
0.022u
C4432
0.01u
CAP_FG
0.1u
C4440
MT_4.75V
0.01u
C4427
R4402
330k
0.001u
C4419
10k
R4417
SREEL_FG
HI8_MP_SW
0
R4466
C4423
XX
C4428
0.047u
LB1991V-TLM
IC4402
1
Vcc1
2
Vcc2
3
Vs
4
NC
5
Uout
6
Rf
7
V
out
8
Rf
9
W
out
10
VH+
11
VH-
12
ANGLE
13
GND
14
FRC
15
STBY
16
Uin1
17
Uin2
18
Vin1
19
Vin2
20
Win1
21
Win2
22
FGin+
23
FGin-
24
FGout
DRUM_PG
C4434
0.001u
470p
C4415
C4430
2.2u
TAPE_LED_ON
270
R4414
VTR_UNREG
2P
CN4401
1
2
0.01u
C4426
0.1u
C4413
0.1u
C4438
0.001u
C4421
XX
C4422
D_2.8V
C4429
0.047u
MODE_SW_B
C4410
0.1u
0.1u
C4404
XREEL_HALL_ON
C4433
0.001u
220p
C4414
0.022u
C4406
MODE_SW_C
R4428
1
CL4401
33k
R4458
XCC_DOWN
Q4401
TAPE_END
TAPE_TOP
IC4401
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
0.1u
C4401
DEW_AD
2.2
R4450
R4429
1
CAP_VS
4700
R4416
R4411
180
0.1u
C4442
0.022u
C4405
DRUM_VS
RB4402
100k
R4424
33k
R4425
3300
1M
R4453
TREEL_FG
0.1u
C4409
C4443
0.047u
DRUM_START
15P
CN4404
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
10P
CN4402
1
PG
2
FG-PG_COM
3
FG
4
COM
5
W
6
W
7
V
8
V
9
U
10
U
REG_GND
0.1u
C4403
CAP_ON
R4426
82k
LOAD
MODE_SW_A
1
R4409
DRUM_PWM
R4436
4700
C4431
0.1u
0
R4456
470
R4407
UNLOAD
470p
C4418
2.2
R4451
1
R4410
0.1u
C4437
22P
CN4403
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
150
R4455
0.1u
C4441
CAP_FG
1
A
M
M
LM_LIM_DET
UNLOAD
LOAD
LM_LIM_ON
LM_LIM_DET
UNLOAD
LOAD
LM_LIM_ON
LM_LIM_DET
DRUM_PG_SENS
FG_PG_COM
DRUM_FG_SENS
T_REEL_-
S_REEL_-
MODE_SW_B
DRUM_ON
DRUM_START
DRUM_ON
DRUM_PG
DRUM_FG
CAP_FG
CAP_FWD
CAP_ON
DEW_AD
TAPE_LED_ON
XREEL_HALL_ON
XCC_DOWN
DRUM_FG
DRUM_PG
LM_-
LM_+
DRUM_U
DRUM_V
DRUM_W
DRUM_COM
DRUM_PG_SENS
FG_PG_COM
DRUM_FG_SENS
DRUM_COM
DRUM_W
DRUM_V
DRUM_U
HI8_MP_SW
REC_PROOF_SW
ME_SW
T_REEL_-
T_REEL_-
TAPE_TOP_C
XCC_DOWN
S_REEL_-
TAPE_END_C
T
APE_LED_ON
XREEL_HALL_ON
DEW_AD
MODE_SW_B
MODE_SW_C
MODE_SW_A
CAP_FWD
HW2
HW1
HV2
HV1
HU2
HU1
HU1
HU2
HV1
HV2
HW1
HW2
CAP_ON
TAPE_END_C
MODE_SW_A
MODE_SW_C
S_REEL_-
DRUM_START
CFG_DUTY
LM_-
LM_-
LM_+
LM_+
TAPE_TOP_C
ME_SW
HI8_MP_SW
REC_PROOF_SW
CFG_DUTY
CAP_FG
A2
A1
A3
A2
A1
A3
STBY D
RF
OSC
SELSLP1
SELSLP2
VS
CSLP1
CSLP2
VCC1
XBRAKE
FRC
FILTER
FC
RSAT
GND
FGOUT
NC
END OUT
END IN
TOP IN
TOP OUT
VM
VCC2
RLDO2
RLO2
RLM2
RLP2
GND
RLP1
RLM1
RLO1
RLDO1
FG IN2
FG IN
VREF
PG IN
PG OUT1
PGC
PG OUT2
CBEN
CBIN
CBOUT
CBLOUT
DBIN
DBOUT
ISNF
NC
RSB
AGC
COM
U IN
U OUT
V IN
V OUT
W IN
W OUT
DEC2
DEC1
RS
OUT1
RFL
OUT2
LIMEN
LIM OUT
VH+
SENSOR_VCC
REC_PROOF
)
TAPE_LED(K)
HW1
LM(+)
VH-
M-SW(C)
CAP_W
LM(-)
ME/MP
HW2
TAPE_LED(A)
HU1
S_REEL(-)
FG1
M-SW(B)
CAP_U
TAPE_TOP(C)
REG_GND
HU2
M-SW(A)
FG2
HALL_COM
T_REEL(-)
CAP_V
C_LOCK_SW
HV1
DEW
FG VCC
)
HI8_MP
TEPE_END(C)
REG_GND
HV2
CAP_V
CAP_W
CAP_U
Capstan servo(speed and phase)
Drum servo(speed and phase)
PB
Drum speed servo
REC
REC/PB
Capstan speed servo
Drum phase servo
SIGNAL PATH
7
9
05
10
B
D
15
3
16
L
F
J
13
E
2
C
4
11
8
5
12
H
G
14
K
I
6
VC-273 BOARD (11/16)
XX MARK:NO MOUNT
DRUM/CAPSTAN MOTOR DRIVE(MD BLOCK)
-REF.NO.:10,000 SERIES-
IC4401
DRUM/LOARDING
MOTOR DRIVE
MOTOR DRIVE
IC4402
CAPSTAN
LED DRIVE
2PC4617RJ-115
2SD2216J-QR(K8).S0
80
VC-273 BOARD (16/16)
81
VC-273 BOARD (15/16)
82
VC-273 BOARD (16/16)
68
VC-273 BOARD (16/16)
VC-273 BOARD (10/16)
79
50
VC-273 BOARD (8/16)
VC-273 BOARD (6/16)
41
67
VC-273 BOARD (9/16)
VC-273 BOARD (2/16)
13
VC-273 BOARD (10/16)
78
M903
LOADING
MOTOR
PG/FG
MECHANISM BLOCK
(SEE PAGE 4-10)
TO M2000
MECHANISM BLOCK
(SEE PAGE 4-10)
TO M2000
MECHANISIM BLOCK
(MT-GND)
(M2000)
MOTOR
DRUM
M901
SENSOR AMP