Digital8 Mechanism Control) Schematic Diagram - Sony DCR-TRV120 Service Manual

DCR-TRV120/TRV120E/TRV120P/TRV125E/
TR8000E/TR8100E
VC-235 (Digital8 MECHANISM CONTROL) SCHEMATIC DIAGRAM
1 2 3
VC-235 BOARD (11/16)
A
Digital8 MECHANISM CONTROL (MC BLOCK)
-REF.NO.:10,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:Digital8 PB MODE
C:Hi8/Std8 PB MODE
B
*:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
XCS_TAKO
XCS_TAKO
VSP_SO
28
VC-235 BOARD (5/16) VSP_SO
C
XVSP_SCK
XVSP_SCK
XCS_HONEY
XCS_HONEY
XRST_VSP
XRST_VSP
XVSP_SCK
XVSP_SCK
VSP_SO
38 VSP_SO
VC-235 BOARD (6/16)
VSP_SI
VSP_SI
XCS_VFD
XCS_VFD
XCS_SFD
D XCS_SFD
XCS_AU
XCS_AU
XVSP_SCK
XVSP_SCK
77 VSP_SO
VC-235 BOARD (15/16)
VSP_SO
VSP_SI
VSP_SI
DRP_SO
DRP_SO
XDRP_SCK
XDRP_SCK
XCS_TRF
XCS_TRF
REC_CRRT0
E
57 REC_CRRT0
VC-235 BOARD (8/16)
REC_CRRT1
REC_CRRT1
DV_RF_SWP
DV_RF_SWP
DRUM_8PB
DRUM_8PB
XFE_ON
XFE_ON
SDC_IN
SDC_IN
27
VC-235 BOARD (4/16) XVIDEO_IN
XVIDEO_IN
F
XTAL20M
78
VC-235 BOARD (12/16)
X0
DEM0 XDVCN
DEM0
DEM1
DEM1
XPWAD
XPWAD
XPWDA
XPWDA
77
VC-235 BOARD (15/16)
AU_XIN/OUT
AU_XIN/OUT
HP_JACK_IN
HP_JACK_IN
G
SWP
IFI_VD
35
VC-235 BOARD (5/16) IFI_VD
VFI_OE
VFI_OE
VREF
VREF
TRRV
TRRV
H WRX
RDX
FRRV
FRRV
TRRT
TRRT
DRP
DRP
SWP
SWP
ALE
ALE
XDVCN
XDVCN
XRST_LINK
38
VC-235 BOARD (6/16)
I
XRST_LINK
XRST_PHY
XRST_PHY
LIP_SLEEP
LIP_SLEEP
LPS
LPS
OFR
OFR
MCDA0
MCDA0
MCDA1
MCDA1
MCDA2
MCDA2
MCDA3
J MCDA3
MCDA4
MCDA4
MCDA5
MCDA6
MCDA7
MCHA0
MCHA1
MCCE
SCOD_WINDOW
K
ATF_ERR
51
VC-235 BOARD (7/16) ATF_ERR
RF_ENV_DET
65
VC-235 BOARD (9/16) RF_ENV_DET
L
05
Digital8 MECHANISM CONTROL
VC-235 (11/16)
• See page 4-11 for VC-235 printed wiring board. • See page 4-88 for waveforms.
4 5 6 7
120 119
1.1
X0
1.3
X1
VSS
MD2
2.8
MD1
2.8
MD0
C4501 0.001u
2.7
XSYS_RST
XPWAD R2.8/P0/C2.8
R4502 100k
XPWAD
XPWDA 2.8
R4503 100k XPWDA
XRST_LINK 0
XRST_LINK
R4504 100k
XRST_PHY 0
R4505 XRST_PHY
100k
ANALOG_MUTE/PLUG_CONT/DEBUG_OUT0
0
ALE
ALE
2.8
XDVCN
2.7
WRX
WR01
2.8
RDX
RDX
2.6
XCS_VFD
XCS_VFD
2.8
XCS_TAKO
XCS_TAKO
XCS_DAC
2.8
AU_XIN/OUT
AUDIO_IN
2.7
XCS_AU
XCS_XYZ1
XHP_ON/XCC_DOWN
2.7
XCS_TRF
XCS_TRF
XCS_XYZ2
2.8
C4509
VDD
0.01u
MCDA0 R2.4/P1.5/C2.3
MCDA0
MCDA1 R2.1/P1.6/C1.5
MCDA1
MCDA2 R1.7/P0.9/C1
MCDA2
MCDA3 R1.4/P0.8/C1.4
MCDA3
MCDA4 R1.1/P1.4/C0.7
MCDA4
WRX
RDX
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
MCDA5
MCDA6
MCDA7
MCHA0
MCHA1
MCCE
SCOD_WINDOW
4-35
8 9 10 11
C4506 R4514
100k
0.01u
C4504
1u
C4508 C4505
0.01u 0.01u 2.8
1.4
118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91
33
EEP_RDY/BSY
EEP_RST
XCS_EEP
DEM1/XCS_DSP
DEM0
HP_JACK_IN
LIP_SLEEP
R2.4/P2.4/C0.4
HI_SO(HI t
HI_SI(MC
XHI_SCK
DRP_SI
DRP_SO
XDRP_SCK
IC4501
MB91192PFF-G-109-BND-ER
IC4501
VSP_SI
VSP_SO
Digital8 MECHANISM CONTROL
XVSP_SCK
XCS_MC_FLASH/CAP_HICUE
XHI_CS_MC
XCS_HONEY/AFT_DEBUG
REEL_PWM
CAP_PWM
DRUM_PWM
GND(EXTAL)
N.C.(XTAL)
DRUM_START
/DRUM_MASTER_CLOCK
SWP_75Hz
/REEL_ON
R4508
470k
SIGNAL PATH
Drum speed servo
Drum phase servo
Drum servo(speed and phase)
Capstan speed servo
Capstan servo(speed and phase)
12 13 14
NTSC MODEL:DCR-TRV120/TRV120P
PAL MODEL:DCR-TRV120E/TRV125E/TR8000E/TR8100E
IC4502
EEP ROM
IC4502
AK6417AM-E2 :NTSC MODEL
BR9016RFV-E2 :PAL MODEL
C4507
0.01u
2.8 2.8
XCS Vcc
2.7 2.8
XBUSY
XSCK
0.3 2.8
RST
DI
2.1
GND
DO
2.8
R4527
100k
2.8
2.8
0 DEM1
2.8 DEM0
HP_JACK_IN
0
R4523
2.8 R4520 1k
470k
LIP_SLEEP
HI_SO
MC)
2 HI_SI
HI)
t
2.3 XHI_SCK
R4524
DRP_SI
2.3
100k
R4517 0
0
DRP_SO
2.8 XDRP_SCK
0 R4518 0 LPS R4525
LPS VSP_SI
100k
2.1
VSP_SO R4528 100k
R4515 0
0.3
XVSP_SCK
R4516 0
2.7
XCS_MC_FLASH R4529
0 100k
2.7
XCS_MECHA R4526
470k
2.8 XCS_HONEY
R4521
R4532 0
10k
P0.6/P0.6/C0.3
CAP_PWM
R4522 10k DRUM_PWM
VSS
R1.1/P1.1/C0.5
C4510
0.01u
2.8
VDD
0 DRUM_START
R1.4/P1.4/C2.8 DV_RF_SWP
1.4 DRP
DRP
VC_F_BUSY
MC_F_BUSY
VC_SI
VC_SO
XVC_SCK
XCS_VC_STAR
XCS_MC_FLASH
XDRP_SCK
DRP_SO
DRP_SI
MC_F_BUSY
HI_XRESET
HI_RXD
HI_TXD
HI_TEST_A
REC REC/PB PB
VC_F_BUSY
VC_SI
VC_SO
XVC_SCK
XCS_VC_STAR
HI_XRESET
HI_RXD
HI_TXD
HI_TEST_A
4-36
15 16 17 18
REG_GND
FB4501
D_2.8V 79
VC-235 BOARD (16/16)
0uH
MT_5V
MODE_SW_A
MODE_SW_A
MODE_SW_B
MODE_SW_B
MODE_SW_C
MODE_SW_C
CAP_ON
CAP_ON
CAP_FWD
CAP_FWD
CAP_PWM
CAP_PWM
CAP_FG
CAP_FG
DRUM_ON
DRUM_ON
DRUM_START
DRUM_START
DRUM_PWM 80 VC-235 BOARD
DRUM_PWM
(12/16,13/16)
DRUM_FG
DRUM_FG
DRUM_PG
DRUM_PG
LOAD
LOAD
UNLOAD
UNLOAD
TAPE_LED_ON
TAPE_LED_ON
TAPE_TOP
TAPE_TOP
TAPE_END
TAPE_END
DRUM_8PB
DRUM_8PB
REC_PROOF_SW
REC_PROOF_SW
DEW_AD
DEW_AD
SREEL_FG
SREEL_FG
TREEL_FG
81
TREEL_FG VC-235 BOARD (13/16)
XREEL_HALL_ON
XREEL_HALL_ON
LM_LIM_ON
LM_LIM_ON
LM_LIM_DET
LM_LIM_DET
75
XCS_MECHA VC-235 BOARD (10/16)
HI_SO
HI_SI
33 VC-235 BOARD
XHI_SCK
(5/16,6/16,10/16,12/16)
XSYS_RST
CN1106 XX
1 MT_5V
2 VC_F_BUSY
3 VC_SI
4 VC_SO
5 XVC_SCK
6 XCS_VC_STAR
7 XCS_MC_FLASH
8 XDRP_SCK TO FLASH JIG
9 DRP_SO
10 DRP_SI
11 MC_F_BUSY
12 REG_GND
13 HI_XRESET
14 HI_RXD
15 HI_TXD
16 HI_TEST_A
VC_F_BUSY
VC_SI
82
VC_SO VC-235 BOARD (12/16)
XVC_SCK
XCS_VC_STAR
HI_XRESET
HI_RXD
70
VC-235 BOARD (10/16)
HI_TXD
HI_TEST_A