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DCR-TRV140/TRV140E/TRV140M
VC-273 (MECHANISM CONTROL) SCHEMATIC DIAGRAM • See page 4-11 for VC-273 printed wiring board.
• See page 4-65 for waveforms.
4-33
4-34
MECHANISM CONTROL
VC-273 (10/16)
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
25
24
2.8
2.8
R1.3/P1.8
1.4
2.8
2.8
2.7
0
R1.1/
P0.9
R1.9/P1.3
0.3
2.2
2.2
2.4
2.7
0
0
0
2.8
2.8
0
0
0
2.8
2.8
0
0.1
0.1
0.2
2.8
2.8
0
R1.3/P2.8
2.8
2.8
2.8
2.8
0
2.8
2.1
2.4
0
0
2.8
0
0.1
R1.1/P0.9
2.7
0
2.7
2.8
2.8
0.6
1.2
2.8
0
1.4
1.4
1.1
2.8
2.8
2.8
2.8
2.8
0
0
1.1
0
2.8
2.8
R2.8/P2.4
R0/P2.7
0
2.8
2.8
0
2.8
R2.4/P1.6
R2.2/P1.6
R1.4/P1.1
R1.4/P0.8
1.4
2.8
R1.4/P0
2.8
R0/P1.4
0
2.8
2.8
0.2
0.6
1.4
1.4
1.4
1.4
2.8
0
0-2.8
0-2.8
1.4
1.4
0.1
0
R0.7/P2.8
IC4501
MB91192PFF-G-148-BND-ER
X0
1
X1
2
VSS
3
MD2
4
MD1
5
MD0
6
XSYS_RST
7
XPWAD
8
XPWDA
9
XRST_LINK
10
XRST_PHY
11
ANALOG_MUTE
12
ALE
13
XDVCN
14
WR01
15
RDX
16
XCS_VFD
17
XCS_AOI
18
APOLLO_PWCTL
19
AUDIO_IN
20
XCS_XYZ1
21
FF_REW_UP
22
XCS_TRF
23
APOLLO_XPWDA
24
VDD
25
MCDA0
26
MCDA1
27
MCDA2
28
MCDA3
29
MCDA4
30
MCDA5
31
MCDA6
32
MCDA7
33
VSS
34
MCDA8
35
MCDA9
36
MCDA10
37
MCDA11
38
MCCE
39
XCS_SFD
40
LM+
41
LM-
42
VIDEO_IN
43
REC_PROOF
44
CAP_ON
45
CAP_FWD
46
MODE_SW_A
47
MODE_SW_B
48
MODE_SW_C
49
ME_SW
50
LM_LIM_ON
51
LM_LIM_DET
52
T
APE_TOP
53
T
APE_END
54
T
APE_LED_ON
55
REC_CRR
T0
56
REC_CRR
T1
57
SCOD_WINDOW
58
XFE_ON
59
SWP
60
61
SWP_75Hz
62
DRUM_START
63
VDD
64
N.C.(XTAL)
65
GND(EXTAL)
66
VSS
67
DRUM_PWM
68
CAP_PWM
69
DRUM_ON
70
XCS_HONEY
71
XHI_CS_MC
72
XCS_MC_FLASH
73
XVSP_SCK
74
VSP_SO
75
VSP_SI
76
LPS
77
XDRP_SCK
78
DRP_SO
79
DIS_HISO
80
XHI_SCK
81
HI_SI(MC
HI)
82
HI_SO(HI
MC)
83
LIP_SLEEP
84
HP_JACK_IN
85
DEM0
86
DEM1
87
XCS_EEP
88
EEP_RST
89
EEP_RDY/BSY
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
IC4502
BR9016ARFV-WE2
XCS
1
XSCK
2
DI
3
DO
4
GND
5
RST
6
XBUSY
7
Vcc
8
0.01u
C4507
REG_GND
D_2.8V
MODE_SW_A
MODE_SW_B
MODE_SW_C
REC_PROOF_SW
CAP_ON
CAP_FWD
CAP_PWM
CAP_FG
DRUM_ON
DRUM_START
DRUM_PWM
DRUM_FG
DRUM_PG
LOAD
UNLOAD
LM_LIM_ON
LM_LIM_DET
TAPE_LED_ON
TAPE_TOP
TAPE_END
SREEL_FG
TREEL_FG
XREEL_HALL_ON
DEW_AD
R4507
1k
C4501
0.1u
100k
R4527
100k
R4514
DRP
XVSP_SCK
VSP_SO
LPS
XDRP_SCK
DRP_SO
LIP_SLEEP
DEM0
DEM1
MCDA5
MCDA6
MCDA7
MCDA8
MCDA9
MCCE
XCS_SFD
REC_CRRT0
REC_CRRT1
SCOD_WINDOW
SWP
MCDA2
MCDA3
MCDA4
XRST_VSP
FRRV
TRRT
TRRV
XPWAD
XPWDA
MCDA0
RDX
WRX
XCS_AU
XCS_TRF
ALE
XRST_PHY
XCS_VFD
MCDA1
XRST_LINK
VSP_SI
VREF
OFR
0.01u
C4506
1u
C4504
DV_RF_SWP
XDVCN
XCS_MC_FLASH
XFE_ON
XCS_MECHA
XTAL20M
X0
0.01u
C4509
XX
C4510
CL4501
CL4502
RB4502
100k
1
2
3
4
5
6
7
8
RB4501
XX
1
2
3
4
5
6
7
8
ATF_ERR
4700
R4512
CL4504
CL4505
CL4506
CL4507
R4536
100k
MC_F_BUSY
1k
R4537
DIS_HISO
XPWAD_IC801
IC801_PWCTRL
XCS_IC801
IFI_OE
CL4508
100k
R4540
100k
R4508
RB4503
10k
DRP_SO
XDRP_SCK
VSP_SI
VSP_SO
VSP_SO
XVSP_SCK
XVSP_SCK
SWP
XRST_VSP
XSYS_RST
1
A
HI_SO
HI_SI
XHI_SCK
ALE
WRX
RDX
MCDA0
MCDA1
MCDA2
MCDA3
MCDA4
SCOD_WINDOW
MCDA9
MCDA8
MCDA7
MCDA6
MCDA5
LIP_SLEEP
VREF
DRP
TRRV
XCS_VFD
LPS
XHI_SCK
HI_SI
HI_SO
XRST_VSP
SWP
OFR
XPWDA
XCS_MECHA
XCS_AU
XCS_TRF
DRUM_PG
DRUM_FG
XREEL_HALL_ON
T
APE_END
T
APE_TOP
LM_LIM_DET
LM_LIM_ON
MODE_SW_A
CAP_FWD
CAP_ON
FRRV
TRR
T
DRUM_START
DEW_AD
XCS_MC_FLASH
DEM0
DEM1
XPWAD
XPWDA
VREF
TRRV
WRX
RDX
FRRV
TRRT
DRP
ALE
XDVCN
XRST_LINK
XRST_PHY
LIP_SLEEP
LPS
OFR
MCDA0
MCDA1
MCDA2
MCDA3
MCDA4
MCDA5
MCDA6
MCDA7
MCDA8
MCDA9
MCCE
SCOD_WINDOW
XFE_ON
MODE_SW_A
MODE_SW_B
MODE_SW_C
DEW_AD
CAP_ON
CAP_FWD
CAP_FG
DRUM_ON
DRUM_START
DRUM_FG
DRUM_PG
LOAD
UNLOAD
LM_LIM_ON
LM_LIM_DET
TAPE_TOP
TAPE_END
SREEL_FG
TREEL_FG
XREEL_HALL_ON
MODE_SW_C
LOAD
DEM1
DEM0
TREEL_FG
SREEL_FG
XDVCN
XPWAD
XRST_LINK
XRST_PHY
VSP_SI
XCS_MC_FLASH
A
T
F_ERR
VSP_SO
XVSP_SCK
DRP_SO
XDRP_SCK
MODE_SW_B
CAP_PWM
REC_CRR
T0
REC_CRR
T1
TAPE_LED_ON
IC801_PWCTRL
XPWAD_IC801
UNLOAD
T
APE_LED_ON
DRUM_ON
XCS_APOLLO
IC801_PWCTRL
XPWAD_IC801
XCS_AU
VFI_OE
DV_RF_SWP
REC_CRRT1
REC_CRRT0
XFE_ON
DV_RF_SWP
REC_PROOF_SW
DRUM_PWM
MCCE
XCS_VFD
XCS_SFD
DRP_SO
XDRP_SCK
VFI_OE
VSP_SO
XVSP_SCK
ATF_ERR
SWP
XCS_TRF
XRST_VSP
REC_PROOF_SW
CAP_FG
XCS_APOLLO
VSP_SI
XCS_SFD
MD2
MD1
MD0
/CM_LIM_DET
/CM_LIM_ON
/XCS_DSP
/PLUG_CONT/DEBUG_OUT0
/PB_XREC
/ME_F_BUSY
/DEBUG_OUT1
/DEBUG_OUT2
/ATF_DEBUG
/CAP_HICUE
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
VC-273 BOARD (10/16)
XX MARK:NO MOUNT
MECHANISM CONTROL(MC BLOCK)
-REF.NO.:10,000 SERIES-
68
VC-273 BOARD (16/16)
VC-273 BOARD (11/16)
78
79
VC-273 BOARD (11/16)
51
VC-273 BOARD (8/16)
47
VC-273 BOARD (8/16)
VC-273 BOARD (8/16)
33
VC-273 BOARD (12/16)
74
75
VC-273 BOARD (4/16)
66
VC-273 BOARD (9/16)
76
VC-273 BOARD (12/16)
VC-273 BOARD (13/16)
77
VC-273 BOARD (4/16)
18
38
VC-273 BOARD (6/16)
VC-273 BOARD (4/16)
26
90
VC-273 BOARD (13/16)
100
VC-273 BOARD (14/16)
7
9
05
10
B
D
15
17
3
16
18
F
J
13
E
2
C
4
11
8
5
12
H
G
14
K
I
6
IC4501
MECHANISM CONTROL
IC4502
EEPROM
95
VC-273 BOARD (14/16)
OOE
XRST_VTR
XCASETTE_IN
SDC_IN
A
TF_ERR
DEW_DET
DRUM_FWD
AV
D
D
AV
R
H
A
VSS
VSS
FRRV
TRR
T
TRRV
CFG_COUNT
CFG_COUNT
XCS_APOLLO
VREF
SREEL_FG
TREEL_FG
CAP_FG
DRUM_FG
DRUM_PG
EXVSYNC
VDD
/L_CASETTE
/T_ENL
TN_ERR
/CM+
/CM-
/FP
/REELM_FG
PLUG_DC_LEVEL
RF_ENV_DET
BBI_LINE_X8
XREEL_HALL_ON
DRP
DRUM_PWM
CAP_PWM
FP