Read Sony DCR-TRV230 / DCR-TRV330 / DCR-TRV530 Service Manual online
DCR-TRV230/TRV330/TRV530
4-39
4-40
DIGITAL8 MECHA CONTROL
VC-254 (13/18)
For Schematic Diagram
• Refer to page 4-11 for printed wiring board.
• Refer to page 4-104 for waveforms.
• Refer to page 4-11 for printed wiring board.
• Refer to page 4-104 for waveforms.
2.8
0
2.8
0.1
1.4
1.4
0
0
1.4
1.4
1.4
1.4
0~2.8
0~2.8
0.6
0.1
2.8
2.8
0
1.4
0
0
2.8
1.4
2.8
2.8
2.8
0
2.8
2.7
2.8
2.1
2.4
2.5
2.8
0
0
2.5
0.3
2.7
0
2.7
R0/P2.8
2.8
0
1.4
1.4
2.8
0.6
1.1
2.8
2.8
2.8
2.7
0.3
2.5
1.0
0.9
2.8
2.8
2.8
0
0
0
2.8
2.8
2.8
2.6
2.8
2.8
R2.4/P1.6
R2.2/P1.6
R1.4/P0.8
R1.4/P1.0
R1.4/P1.5
R1.2/P1.7
R1.8/P1.2
0.2
2.2
2.2
2.3
2.7
0
0
0
2.8
0
2.8
2.8
2.8
2.8
0
0
0
2.8
0
0
0.1
2.8
2.8
0
R1.2/P2.8
1.4
32
31
R0/P2.8
R2.8/P0
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
R :REC MODE
P :PB MODE
2.8
MB91192PFF-G-133-BND-ER
IC4501
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_TAKO
18
XCS_DAC
19
AUDIO_IN
20
XCS_XYZ1
21
XFF_REW_UP
22
XCS_TRF
23
XCS_XYZ2
24
VDD
25
MCDA0
26
MCDA1
27
MCDA2
28
MCDA3
29
MCDA4
30
MCDA5
31
MCDA6
32
MCDA7
33
VSS
34
MCHA0
35
MCHA1
36
MCCE
37
XCS_SFD
38
MODE_SW_A
39
MODE_SW_B
40
MODE_SW_C
41
MODE_SW_D
42
VIDEO_IN
43
REC_PROOF
44
CAP_ON
45
CAP_FWD
46
DRUM_ON
47
RSA
T
48
LM+
49
LM-
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/REEL_FWD
59
SWP
60
DRP
61
SWP_75Hz
62
DRUM_START
63
VDD
64
N.C.(XTAL)
65
GND(EXTAL)
66
VSS
67
DRUM_PWM
68
CAP_PWM
69
REEL_PWM
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
DRP_SI
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
OOE
91
XRST_VTR
92
XCASETTE_IN
93
SDC_IN
94
A
TF_ERR
95
DEW_DET
96
PLUG_DC_LEVEL
97
NC
98
RF_ENV_DET
99
A
VDD
100
A
VRH
101
A
VSS
102
VSS
103
BBI_LINE_X8
104
XREEL_HALL_ON
105
FRRV
106
TRR
T
107
TRRV
108
CFG_COUNT
109
CFG_COUNT
110
DRUM_8PB/PLUG_DC_SW
111
VREF
112
SREEL_FG
113
TREEL_FG
114
CAP_FG
115
DRUM_FG
116
DRUM_PG
117
EXVSYNC
118
FP
119
VDD
120
B
C4505
0.01u
AK6417AM-E2
IC4502
1 XCS
2 XSCK
3 DI
4 DO
5
GND
6
RST
7
XBUSY
8
Vcc
0.01u
B
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
0.001u
B
C4501
470k
R4508
100k
R4524
100k
R4527
100k
R4514
DRP
XVSP_SCK
VSP_SO
LPS
XDRP_SCK
DRP_SO
LIP_SLEEP
DEM0
DEM1
MCDA5
MCDA6
MCDA7
MCHA0
MCHA1
MCCE
XCS_SFD
REC_CRRT0
REC_CRRT1
SCOD_WINDOW
SWP
VFI_OE
MCDA2
MCDA3
MCDA4
XRST_VSP
FRRV
TRRT
TRRV
XPWAD
XPWDA
MCDA0
RDX
WRX
XCS_AU
XCS_TRF
ALE
XCS_TAKO
XRST_PHY
XCS_VFD
MCDA1
XRST_LINK
470k
R4523
VSP_SI
SDC_IN
VREF
IFI_VD
OFR
HP_JACK_IN
ATF_ERR
470k
R4526
4700
R4512
0.01u
B
C4506
1u
B
C4504
1k
R4520
XCS_HONEY
DV_RF_SWP
XDVCN
1k
R4511
DRUM_8PB
XFE_ON
RF_ENV_DET
10k
R4522
10k
R4521
FB4501
0uH
HI_SO
XHI_SCK
XCS_MECHA
HI_SI
XSYS_RST
XTAL20M
X0
B
0.01u
C4508
470
R4530
0.01u
C4509
0.01u
C4510
CL4501
CL4502
RB4501
RB4502
CL4503
CL4504
CL4505
CL4506
0
R4502
100k
R4503
AUDIO_MUTE
XVIDEO_IN
RSAT
DRUM_8PB
XVSP_SCK
VSP_SO
DV_RF_SWP
1
A
ALE
WRX
RDX
MCDA0
MCDA1
MCDA2
MCDA3
MCDA4
SCOD_WINDOW
REC_CRR
T1
REC_CRR
T0
MCCE
MCHA1
MCHA0
MCDA7
MCDA6
MCDA5
LIP_SLEEP
VREF
TRRV
XCS_VFD
LPS
XHI_SCK
HI_SI
HI_SO
VFI_OE
XRST_VSP
SWP
XCS_SFD
OFR
IFI_VD
XCS_MECHA
DRP_SI
XCS_TAKO
XCS_AU
XCS_TRF
XVSP_SCK
DRUM_PG
DRUM_FG
XREEL_HALL_ON
T
APE_END
T
APE_TOP
LM_LIM_DET
LM_LIM_ON
DRUM_ON
CAP_FWD
CAP_ON
CAP_FG
A
TF_ERR
T
APE_LED_ON
DRUM_START
XCS_MC_FLASH
XFE_ON
RF_ENV_DET
DEW_AD
VSP_SI
XCS_AU
XCS_HONEY
SDC_IN
VFI_OE
VREF
TRRV
FRRV
TRRT
DRP
ALE
XDVCN
XRST_LINK
XRST_PHY
LIP_SLEEP
LPS
OFR
MCDA0
MCDA1
MCDA2
MCDA3
MCDA4
ATF_ERR
CAP_PWM
DRUM_PWM
DRUM_8PB
MODE_SW_A
MODE_SW_B
MODE_SW_C
CAP_ON
CAP_FWD
CAP_PWM
CAP_FG
DRUM_ON
DRUM_START
DRUM_PWM
DRUM_FG
DRUM_PG
LOAD
UNLOAD
TAPE_LED_ON
TAPE_TOP
TAPE_END
SREEL_FG
TREEL_FG
XREEL_HALL_ON
UNLOAD
LOAD
MODE_SW_A
MODE_SW_B
MODE_SW_C
REC_PROOF_SW
DEM1
DEM0
TREEL_FG
SREEL_FG
IFI_VD
RF_ENV_DET
XDRP_SCK
DRP_SO
XDVCN
HP_JACK_IN
SDC_IN
XCS_HONEY
XPWDA
XRST_LINK
XRST_PHY
XPWAD
RSA
T
AUDIO_MUTE
AUDIO_MUTE
XVIDEO_IN
XVIDEO_IN
LM_LIM_DET
LM_LIM_ON
RSAT
REC_PROOF_SW
DEW_AD
DRUM_8PB
VSP_SO
XVSP_SCK
DV_RF_SWP
XCS_TRF
DRP_SO
XDRP_SCK
XCS_VFD
XCS_SFD
SWP
XCS_TAKO
DEM0
DEM1
XPWAD
XPWDA
HP_JACK_IN
XRST_VSP
DV_RF_SWP
DRP
MC_F_BUSY
VSP_SO
VSP_SI
WRX
RDX
MCDA5
MCDA6
MCDA7
MCHA0
MCHA1
MCCE
SCOD_WINDOW
REC_CRRT0
REC_CRRT1
XFE_ON
TRR
T
FRRV
MD2
MD1
MD0
/CM_LIM_DET
/CM_LIM_ON
/DRUM_MASTER_CLOCK
/REEL_ON
/XCS_DSP
/PLUG_CONT/DEBUG_OUT0
/PB_XREC
/ME_F_BUSY
/DEBUG_OUT1
/DEBUG_OUT2
/ATF_DEBUG
/CAP_HICUE
/S_EL
TN_ERR
/A
TF_DEBUG_IN
/L_CASETTE
/T_ENL
TN_ERR
/CM+
/CM-
/FP_SEL
/FP
/REELM_FG
100k
100k
63
TO(18/18)
133
TO(5/18,8/18,10/18,11/18,17/18(CN1117))
TO(11/18,14/18)
116
TO(14/18)
134
SIGNAL PATH
Drum phase servo
Drum servo (speed and phase)
Capstan speed servo
PB
REC
Drum speed servo
REC/PB
Capstan servo (speed and phase)
83
TO(8/18,10/18,11/18,17/18(CN1104))
TO(5/18,8/18,10/18,11/18,17/18(CN1117))
58
TO(10/18)
96
IC4502
EEPROM
IC4501
MECHANISM CONTROL
TO(15/18)
143
TO(7/18)
80
31
TO(4/18,15/18,
17/18(CN1104))
17/18(CN1104))
129
TO(17/18
(CN1104))
(CN1104))
TO(7/18)
78
113
TO(11/18)
130
TO(15/18)
TO(17/18
(CN1108))
(CN1108))
132
TO(17/18
(CN1116))
(CN1116))
131
29
TO(4/18,17/18
(CN1108))
TO(2/18,8/18,
17/18(CN1104))
(CN1108))
TO(2/18,8/18,
17/18(CN1104))
22
TO(4/18,17/18
(CN1104))
(CN1104))
37
TO(4/18)
30
38
TO(4/18)
68
TO(6/18)
TO(9/18)
91
VC-254 BOARD(13/18)
DIGITAL8 MECHA CONTROL(MC BLOCK)
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
XX MARK:NO MOUNT
16
10
G
H
5
13
6
E
3
8
B
12
D
C
9
2
4
7
I
17
16
F
11
15
14
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