Drum/Capstan Motor Drive) Schematic Diagram - Sony DCR-TRV140 Service Manual

DCR-TRV140/TRV140E/TRV140M
VC-273 (DRUM/CAPSTAN MOTOR DRIVE) SCHEMATIC DIAGRAM • See page 4-11 for VC-273 printed wiring board. • See page 4-65 for waveforms.
1 2
VC-273 BOARD (11/16)
A
DRUM/CAPSTAN MOTOR DRIVE(MD BLOCK)
-REF.NO.:10,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
13
VC-273 BOARD (2/16) CFG_DUTY
CAP_ON
CAP_FWD
CAP_FG
DRUM_FG
DRUM_PG
C
DEW_AD
DRUM_ON
78
VC-273 BOARD (10/16) DRUM_START
DRUM_START
D
MODE_SW_C
MODE_SW_B
MODE_SW_A
MECHANISIM BLOCK
(M2000)
CN4401
2P
M
LM(-)
LM(+)
E
M903
LOADING
MOTOR
CN4402 10P
PG
PG/FG
FG-PG_COM
FG
COM
W
F
W
M
V
V
M901
DRUM U
MOTOR
U 10
CN4403 22P
G VH-
HW2
HW1
HV2
HV1
HU2
HU1
VH+
CAP_V
H
CAP_V 10
TO M2000
CAP_W 11
MECHANISM BLOCK
(SEE PAGE 4-10) CAP_W 12
CAP_U 13
CAP_U 14
REG_GND 15
FG2 16
I
FG VCC 17
FG1 18
M-SW(C) 19
M-SW(B) 20
M-SW(A) 21
DEW 22
J
CN4404 15P
C_LOCK_SW
HI8_MP
REC_PROOF
ME/MP
HALL_COM
T_REEL(-)
K
TO M2000 T_REEL(+)
MECHANISM BLOCK
SENSOR_VCC
(SEE PAGE 4-10)
S_REEL(+)
S_REEL(-) 10
REG_GND 11
TAPE_LED(A) 12
TAPE_LED(K) 13
TEPE_END(C) 14
L
TAPE_TOP(C) 15
05
DRUM/CAPSTAN MOTOR DRIVE
VC-273 (11/16)
3 4 5 6
CFG_DUTY
CAP_ON
CAP_FWD
CAP_FG
DRUM_FG
DRUM_PG
DEW_AD
RB4402
R4402
330k 100k
DRUM_ON
R4401
47k
MODE_SW_C
MODE_SW_B
MODE_SW_A
LM_- LM_-
1
C4424
2
0.1u
LM_+ LM_+
DRUM_PG_SENS
1
FG_PG_COM
2
DRUM_FG_SENS
3
DRUM_COM
4
5
DRUM_W DRUM_FG
6
DRUM_PG
7
DRUM_V
8
9
DRUM_U
1
HW2
2 CAP_ON
HW1
3
HV2
4
HV1
5
HU2
6
HU1
7
8
9
A1
CAP_FWD
A2
CAP_FG
A3
CFG_DUTY
MODE_SW_C
MODE_SW_B
MODE_SW_A
DEW_AD
XCC_DOWN
1
HI8_MP_SW
2
REC_PROOF_SW
3
ME_SW
4
5
T_REEL_-
6
T_REEL_+
7
R4407 470
8
S_REEL_+
9
S_REEL_-
TAPE_END_C
TAPE_TOP_C
4-35
7 8 9
DRUM_W
DRUM_V
DRUM_U
DRUM_COM
C4409 C4411 C4412
0.1u 0.1u 0.1u
C4413
0.1u
1.3 0 0
64 63 62 61 60 59 58 57 56
R4408
1
R4409
DRUM_ON 2.8
1
28
STBY D
R4410
1 0.1
RF
0.5
OSC
C4403 0.1u 0
SELSLP1
DRUM_START 0
C4404
SELSLP2
0.1u
R4456 3.4
0
IC4401
VS
0.022u
C4405 0.3
CSLP1
C4406 DRUM/LOARDING
0.022u 0.3
CSLP2 MOTOR DRIVE
C4401 0.1u 2.8 SENSOR AMP
VCC1 IC4401
XBRAKE
C4443
C4407
0.047u FRC
XX
3.3
FILTER
2.1
FC
3.3u 6.3V 2.8
C4408
RSAT
GND
1.4
FGOUT
26
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
1.3 1 2.8
C4415
R4417
27
10k 470p
DRUM_FG_SENS
R4419
FG_PG_COM XX
DRUM_PG_SENS
C4416 C4418 C4420
0.1u 470p 1u
IC4402
R4411
R4455
150 180
R4414
270
4.2
R4416
4700
0
C4402 C4410
C4414
0.1u 0.1u 220p
Q4401
A2
2PC4617RJ-115 :TRV140E
2SD2216J-QR(K8).S0 :TRV140/TRV140M A1
LED DRIVE
A3
10 11 12 13
R4425
3300
R4428 R4429
1 1
R4466
0
RB4403
10k
0 0 0 0 2.8
55 54 53 52 51 50 49
C4433
0.001u
C4434
0.001u
NC C4428
0.1 0.047u
END OUT
1.3 TAPE_END_C
END IN
1.3 TAPE_TOP_C
TOP IN
2.8 C4429 0.047u
TOP OUT
4.9 C4430 2.2u
VM
C4431
8.3 0.1u
VCC2
0-2.8
RLDO2
CL4401
RLO2
1.2
RLM2
1.2
RLP2
GND
1.2
RLP1
1.2
RLM1
CL4402
RLO1
0-2.8
RLDO1
R4432 R4436
47k 4700
0.1 0.3
C4425
0.022u
R4427
C4423 10k
XX
C4422 R4424 C4426 C4427 R4430 C4432
XX 33k 0.01u 0.01u 470k 0.01u
R4453
1M
29
1.4 1 1
24 23 22 21 20 19 18 17 16 15 14 13
SIGNAL PATH
CAPSTAN
MOTOR DRIVE
IC4402
LB1991V-TLM
Drum speed servo
1 2 3 4 5 6 7 8 9 10 11 12
Drum phase servo
2.8 0.7
Drum servo(speed and phase)
Capstan speed servo
Capstan servo(speed and phase)
R4449
C4437
39k
0.1u
C4438 C4439
C4442 R4452 2.2
0.1u 0.47u 0.1u
C4441
R4451 2.2
0.1u
C4440
R4450 2.2
0.1u
4-36
14 15 16
81
VC-273 BOARD (15/16)
VTR_UNREG
CAP_ERROR
DRUM_ERROR
CAP_VS
80
VC-273 BOARD (16/16)
DRUM_VS
MT_4.75V
82
VC-273 BOARD (16/16)
REG_GND
(MT-GND)
D_2.8V
68
VC-273 BOARD (16/16)
REG_GND
UNLOAD
UNLOAD
LOAD
LOAD
LM_LIM_ON
LM_LIM_ON
LM_LIM_DET
LM_LIM_DET
TAPE_END
TAPE_TOP
TAPE_LED_ON
TAPE_LED_ON
TREEL_FG
T_REEL_-
T_REEL_+
REC_PROOF_SW
REC_PROOF_SW
79
VC-273 BOARD (10/16)
S_REEL_+
S_REEL_-
SREEL_FG
XREEL_HALL_ON
XREEL_HALL_ON
CAP_PWM
DRUM_PWM
XCC_DOWN
50
XCC_DOWN VC-273 BOARD (8/16)
R4457
33k
T_REEL_-
T_REEL_EVR
41
VC-273 BOARD (6/16)
S_REEL_-
S_REEL_EVR
R4458
33k
CAP_FG
ME_SW
67
ME_SW
VC-273 BOARD (9/16)
HI8_MP_SW
HI8_MP_SW
REC REC/PB PB