Sony DCR-TRV140M Servise Manual - Page 11
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VC-273 (MECHANISM CONTROL) SCHEMATIC DIAGRAM • See page 4-11 for VC-273 printed wiring board. • See page 4-65 for waveforms.
1
2
3
4
VC-273 BOARD (10/16)
A
MECHANISM CONTROL(MC BLOCK)
-REF.NO.:10,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
VSP_SO
VSP_SO
XVSP_SCK
74
XVSP_SCK
VC-273 BOARD (12/16)
XCS_AU
XCS_AU
XDRP_SCK
DRP_SO
95
DIS_HISO
VC-273 BOARD (14/16)
MC_F_BUSY
XCS_MC_FLASH
C
XCS_MC_FLASH
VFI_OE
IFI_OE
75
VC-273 BOARD (4/16)
XTAL20M
66
VC-273 BOARD (9/16)
X0
D
DEM0
DEM0
DEM1
DEM1
76
VC-273 BOARD (12/16)
XPWAD
XPWAD
XPWDA
XPWDA
VSP_SI
E
XVSP_SCK
XCS_APOLLO
77
XCS_IC801
VC-273 BOARD (13/16)
IC801_PWCTRL
IC801_PWCTRL
XPWAD_IC801
XPWAD_IC801
VSP_SO
F
XVSP_SCK
VREF
VREF
TRRV
TRRV
VSP_SO
WRX
WRX
RDX
RDX
FRRV
FRRV
TRRT
G
TRRT
DRP
DRP
SWP
SWP
ALE
ALE
XDVCN
XDVCN
XRST_LINK
XRST_LINK
XRST_PHY
XRST_PHY
LIP_SLEEP
LIP_SLEEP
H
LPS
LPS
OFR
18
VC-273 BOARD (4/16)
OFR
XRST_VSP
XRST_VSP
VSP_SI
VSP_SI
XCS_VFD
XCS_VFD
MCDA0
MCDA0
MCDA1
MCDA1
MCDA2
I
MCDA2
MCDA3
MCDA3
MCDA4
MCDA4
MCDA5
MCDA5
MCDA6
MCDA6
MCDA7
MCDA7
MCDA8
MCDA8
MCDA9
MCDA9
MCCE
MCCE
J
SCOD_WINDOW
SCOD_WINDOW
XCS_SFD
XCS_SFD
DRP_SO
DRP_SO
REC_CRRT0
REC_CRRT0
REC_CRRT1
REC_CRRT1
DV_RF_SWP
38
VC-273 BOARD (6/16)
DV_RF_SWP
XFE_ON
XFE_ON
XDRP_SCK
XDRP_SCK
K
XCS_TRF
XCS_TRF
ATF_ERR
26
ATF_ERR
VC-273 BOARD (4/16)
90
VC-273 BOARD (13/16)
XRST_VSP
100
VC-273 BOARD (14/16)
SWP
05
5
6
7
8
2.8
0
120
119
118
117
116
115
1.1
X0
1.1
X1
VSS
MD2
MD2
MD1
2.8
MD1
MD0
2.8
MD0
C4501
0.1u
2.8
XSYS_RST
XPWAD
2.8
XPWAD
XPWDA
2.8
1
2
XPWDA
3
4
XRST_LINK
0
5
6
XRST_LINK
7
8
XRST_PHY
0
XRST_PHY
RB4502
100k
ANALOG_MUTE
/PLUG_CONT/DEBUG_OUT0
ALE
0
ALE
XDVCN
2.8
XDVCN
WRX
R2.8/P2.4
WR01
RDX
2.8
RDX
XCS_VFD
R0/P2.7
XCS_VFD
XCS_AOI
0
IC801_PWCTRL
APOLLO_PWCTL
AUDIO_IN
2.8
XCS_AU
XCS_XYZ1
FF_REW_UP
2.8
XCS_TRF
XCS_TRF
0
XPWAD_IC801
APOLLO_XPWDA
2.8
VDD
R2.4/P1.6
MCDA0
MCDA0
R2.2/P1.6
MCDA1
MCDA1
R1.4/P1.1
MCDA2
MCDA2
R1.4/P0.8
MCDA3
MCDA3
1.4
MCDA4
MCDA4
R4507
1k
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
R1.3/P1.8
9
10
11
12
R4540
100k
R4514
100k
C4504
1u
0
0.2
0
R1.4/P0
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
2.8
EEP_RDY/BSY
2.8
EEP_RST
2.8
XCS_EEP
0
DEM1
/XCS_DSP
2.8
DEM0
HP_JACK_IN
2.8
LIP_SLEEP
2.1
HI_SO(HI
MC)
R0.7/P2.8
HI_SI(MC
HI)
2.4
XHI_SCK
0
DIS_HISO
0
DRP_SO
2.8
XDRP_SCK
0
LPS
IC4501
R1.1/P0.9
VSP_SI
MECHANISM CONTROL
0.1
VSP_SO
IC4501
2.7
MB91192PFF-G-148-BND-ER
XVSP_SCK
0
XCS_MC_FLASH
/CAP_HICUE
2.7
XHI_CS_MC
2.8
XCS_HONEY
/ATF_DEBUG
2.8
DRUM_ON
25
0.6
CAP_PWM
1.2
DRUM_PWM
24
VSS
GND(EXTAL)
N.C.(XTAL)
2.8
VDD
0
DRUM_START
1.4
SWP_75Hz
1.4
DRP
2.4
0
0
0
0
0
0
0
0
1.4
R4537
1k
R4508
100k
DCR-TRV140/TRV140E/TRV140M
13
14
15
16
MODE_SW_A
MODE_SW_B
IC4502
MODE_SW_C
EEPROM
IC4502
DEW_AD
BR9016ARFV-WE2
C4507
0.01u
2.8
2.8
XCS
Vcc
CAP_ON
2.7
2.8
XSCK
XBUSY
CAP_FWD
0
2.8
RST
DI
R1.1/
CAP_FG
P0.9
GND
DO
DRUM_ON
DRUM_START
R4527
100k
DRUM_FG
DRUM_PG
DEM1
DEM0
LIP_SLEEP
HI_SO
LOAD
HI_SI
UNLOAD
XHI_SCK
LM_LIM_ON
LM_LIM_DET
CL4504
DRP_SO
TAPE_LED_ON
CL4505
XDRP_SCK
RB4501
TAPE_TOP
LPS
XX
1
2
TAPE_END
VSP_SI
3
4
REC_PROOF_SW
5
6
CL4506
VSP_SO
7
8
XVSP_SCK
XCS_MC_FLASH
SREEL_FG
CL4507
TREEL_FG
XCS_MECHA
R4536
100k
XREEL_HALL_ON
CL4508
DRUM_ON
CAP_PWM
RB4503
DRUM_PWM
10k
CAP_PWM
DRUM_PWM
C4510
XX
DRUM_START
DV_RF_SWP
DRP
SIGNAL PATH
Drum speed servo
Drum phase servo
Drum servo(speed and phase)
Capstan speed servo
Capstan servo(speed and phase)
17
18
REG_GND
68
VC-273 BOARD (16/16)
D_2.8V
MODE_SW_A
MODE_SW_B
MODE_SW_C
DEW_AD
CAP_ON
78
CAP_FWD
VC-273 BOARD (11/16)
CAP_FG
DRUM_ON
DRUM_START
DRUM_FG
DRUM_PG
LOAD
UNLOAD
LM_LIM_ON
LM_LIM_DET
TAPE_LED_ON
TAPE_TOP
TAPE_END
REC_PROOF_SW
79
VC-273 BOARD (11/16)
SREEL_FG
TREEL_FG
XREEL_HALL_ON
CAP_PWM
DRUM_PWM
REC
REC/PB
PB
HI_SO
51
HI_SI
VC-273 BOARD (8/16)
XHI_SCK
47
XCS_MECHA
VC-273 BOARD (8/16)
33
XSYS_RST
VC-273 BOARD (8/16)
MECHANISM CONTROL
VC-273 (10/16)