Read Sony DCR-VX2000 / DCR-VX2000E / LCH-VX2000 Service Manual online
DCR-VX2000/VX2000E
4-39
4-40
For Schematic Diagram
• Refer to page 4-51 for printed wiring board.
• Refer to page 4-113 for waveforms.
• Refer to page 4-51 for printed wiring board.
• Refer to page 4-113 for waveforms.
DRUM/CAPSTAN MOTOR DRIVE
VC-242 (14/18)
2.7
2.6
0.7
2.7
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
R :REC MODE
P :PB MODE
0.7
1.3
1.3
2.7
5.2
8.2
2.7
0.3
0.3
0.3
2.7
0.3
0
0
0
0
0.1
0
0
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.6
0
0.5
0
2.2
0.3
0.3
2.1
2.1
2.6
2.7
1.4
0
0.2
0
0.3
0.2
0.2
2.6
0.9
1.3
1.3
1.3
63
64
65
66
0.2
0.5
0
4.3
2.5
2.7
11.7
1.3
67
0.6
0.3
0.8
0.4
0.4
0.4
0.8
1.3
1.3
2.7
3.4
1.4
1.4
11.0
2.7
2.7
2.6
2.6
1.3
0.5
0.5
0.1
0.1
0.3
0.3
1.3
C406
2.2u
F
R406
1
2012
R407
1
2012
C407
0.1u B
C404
0.047u B
C410
0.022u
B
R408
3300
R409
100k
C411
0.1u
F
R424
180
C401
0.001u
B
C402
0.001u
B
R401
4700
R404
68k
R411
18k
R405
68k
C405
0.047u B
R403
10k
10k
R410
2200
R412 0
R402
10k
C412
B
XX
UNLOAD
LM_LIM_ON
LOAD
LM_LIM_DET
CAP_PWM
DRUM_ON
Q401
2SD2216J-QR(K8).SO
4700
R417
D_2.8V
VTR_UNREG
MT_5.2V
DRUM_VS
CAP_ERROR
DRUM_ERROR
TAPE_TOP
TAPE_END
MT_GND
DRUM_START
TREEL_FG
SREEL_FG
C403
0.01u
B
XX
R415
0.1u B
C427
1u
B
C416
0.1u
B
C428
1
2012
R421
XX
R414
470p
B
C419
0.1u
B
C423
XX
R413
0.1u
B
C421
0.047u
B
C425
0.1u
B
C422
4700p B
C429
1 2012
R422
0.1u
B
C424
0.1u
B
C420
4700p B
C430
0.1u
B
C431
1
2012
R423
10k
R416
6800p
B
C409
IC401
CXA8099ER-TBM
123456789
1
0
1
1
1
2
1
3
1
4
1
5
1
6
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
XX
B
C413
B
0.022u
C408
XREEL_HALL_ON
DRUM_PG
TAPE_LED_ON
DRUM_FG
DRUM_FWD
B
C418
470p
B
470p
C414
B
470p
C415
CAP_ON
100k
R426
D_2.8V
100k
R427
1M
R429
CAP_FG
0.1u
B
C434
SC111319FTBEB
IC402
12345678
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32
CFG_DUTY
2.2
R432
0.1u
B
C433
0.47u
B
C435
2.2
R430
CAP_VS
0.1u
B
C436
100k
R428
0.1u
B
C438
CAP_FWD
XX
B
C439
0.1u
B
C432
XX
R433
2.2
R431
XX
B
C440
0.22u
B
C437
100k
R418
REEL_EVR
12k
R425
P
6.3V
3.3u
C426
2SA2018-H-T2L
Q402
22k
R419
L401
10uH
10uH
L402
R420
XX
3300
R434
EVF_13.5V
1500
R435
39k
R436
FFREW_UP
33
R024
27P
CN022
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
11P
CN020
1
2
3
4
5
6
7
8
9
10
11
10k
R020
XCC_DOWN
CHIME_SCK
CHIME_SDA
10k
R022
CHIME_VDD
33
R023
10k
R021
REC_PROOF_SW
27P
CN024
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
FG_VCC
REG_GND
DRUM_PWM
MODE_SW_A
MODE_SW_B
MODE_SW_C
MODE_SW_D
DEW_AD
27P
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
27P
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
FG_VCC
11P
1
2
3
4
5
6
7
8
9
10
11
1
A
R437
22
S901
S902
UNLOAD
LOAD
LM_LIM_ON
UNLOAD
LOAD
LM_LIM_ON
LM_LIM_DET
FG_PG_COM
T_REEL_+
TAPE_TOP_C
TAPE_END_C
T_REEL_-
T_REEL_+
S_REEL_+
S_REEL_-
DRUM_ON
DRUM_FWD
DRUM_START
DRUM_ON
DRUM_PG
DRUM_FG
TAPE_LED_ON
XREEL_HALL_ON
LM_-
LM_+
T
APE_LED_ON
LM_LIM_DET
DRUM_PG
DRUM_FG
DRUM_W
DRUM_V
DRUM_U
DRUM_COM
DRUM_FG_SENS
XREEL_HALL_ON
DRUM_START
DRUM_PG_SENS
MODE_SW_B
T_REEL_-
MODE_SW_A
T
APE_END_C
FG_PG_COM
DRUM_W
LM_-
DRUM_V
LM_+
MODE_SW_C
DRUM_U
DRUM_FWD
MODE_SW_A
MODE_SW_B
MODE_SW_C
MODE_SW_D
DEW_AD
DRUM_FG_SENS
DRUM_PG_SENS
DRUM_COM
DEW_AD
T
APE_TOP_C
S_REEL_+
S_REEL_-
MODE_SW_D
STBY D
RF
OSC
SELSLP1
SELSLP2
VS
CSLP1
CSLP2
VCC1
BRAKE
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
VOUT
RCC
OFFSET_ADJ
HV+
VS
AGC
VCC2
PSAVEB
GND
C1L
C1H
HU+
C2H
FG-
VCC1
C2L
VS
VMR
VG
HW
-
HU-
UOUT
WOUT
P_GND
VH
FG_OUT
P_GND
HV
-
FRC
NC
FG+
HW+
IC401
VC-242 BOARD(14/18)
103
TO(13/18)
16
IC402
REEL_S-
LOAD
REEL_S+
GND
VHE(-)
CAP_U
HE_VCC
REC_PRF_SW
WHE(-)
REEL_T+
CAP_W
DRUM_V
UNLOAD
FG2
GND
LOAD
CAP_W
END_SENS
CAP_U
GND
CAP_U
DRUM_U
DEW+
UHE(-)
FG_VCC
VHE(+)
GND
CAP_U
C_IN_SW
CAP_V
UHE(+)
LED_K
HALL_COM
CAP_W
MR_GND
LED_A
UNLOAD
MR_GND
CAP_W
MIC_VDD
MSW_D
FG1
CAP_V
TOP_SENS
DRUM_W
DRUM_W
MSW_C
MSW_A
REEL_T
-
HE_GND
MIC_SDA
MSW_B
DRUM_U
MIC_SCK
CAP_V
PG
CAP_V
DRUM_V
GND
SENSOR_VCC
WHE(+)
FG
HALL_VCC
72
TO(8/18)
TO(11/18,18/18)
148
TO(18/18)
153
TO(13/18)
108
113
TO(18/18)
CAPSTAN MOTOR
DRIVE
CAP.FG AMP
DRIVE
CAP.FG AMP
(RABI)
DRUM
MOTOR DRIVE
DRUM PG. AMP
LOADING
MOTOR DRIVE
REEL FG AMP
TAPE TOP END DET
DRUM CAP ERROR AMP
DRUM
MOTOR DRIVE
DRUM PG. AMP
LOADING
MOTOR DRIVE
REEL FG AMP
TAPE TOP END DET
DRUM CAP ERROR AMP
SWITCH
HE_GND
FG2
GND
CAP_V
LED_A
VHE(-)
CAP_V
REC_PRF_SW
LOAD
C_IN_SW
REEL_T
-
UNLOAD
WHE(+)
CAP_U
FG1
UNLOAD
MIC_SCK
HE_VCC
CAP_V
MSW_A
DRUM_V
SENSOR_VCC
MSW_D
CAP_U
END_SENS
UHE(+)
GND
MSW_C
LED_K
GND
DRUM_U
MIC_VDD
FG_VCC
DRUM_U
CAP_W
DEW+
DRUM_W
HALL_COM
DRUM_V
CAP_W
CAP_W
VHE(+)
MSW_B
LOAD
HALL_VCC
REEL_S-
UHE(-)
REEL_S+
DRUM_W
CAP_W
CAP_V
REEL_T+
MR_GND
GND
MIC_SDA
GND
FG
CAP_U
TOP_SENS
MR_GND
PG
WHE(-)
CAP_U
TO(13/18)
109
106
TO(13/18)
TO(12/18,15/18,
16/18,18/18)
16/18,18/18)
93
114
TO(18/18)
151
TO(18/18)
153
TO(18/18)
110
TO(13/18)
116
TO(18/18)
115
TO(13/18)
107
TO(13/18)
TO(8/18)
72
TO(15/18)
117
B
16
H
19
M
15
4
E
10
12
13
K
20
9
17
D
11
C
L
14
7
3
I
2
6
18
J
5
F
8
G
XX MARK:NO MOUNT
Capstan speed servo
REC
Capstan phase servo
REC/PB
SIGNAL PATH
Drum speed servo
DRUM/CAPSTAN MOTOR DRIVE(MD BLOCK)
Drum servo (speed and phase)
Drum phase servo
Capstan servo (speed and phase)
-REF.NO.:10000 SERIES-
PB
CAPSTAN
FG
FG
M
M902
CAPSTAN
MOTOR
CAPSTAN
MOTOR
HALL
FG
PG
M901
DRUM
MOTOR
DRUM
MOTOR
M903
LOADING
MOTOR
LOADING
MOTOR
DEW SENSOR
(FP-248)
4
3
2
4
2
3
1
H902
TREEL DETECT
1
H901
TREEL DETECT
Q902
TAPE TOP
TAPE TOP
CN901 4P
(MIC)
S901,REC PROOF
S902,CIN
D901
TAPE LED
TAPE LED
Q901
TAPE END
TAPE END
FP-594 FLEXTBLE
MD BLOCK
(C MECHANISM)(2/2)
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