System Control Block Diagram (Vhs) - JVC SR-VS30E/EK Service Manual

4.33

SYSTEM CONTROL BLOCK DIAGRAM (VHS)

0
CN3003
CAP MDA
CAP REV ( L )
6
M
CAP CTL V
3
CAP FG
2
WF1
CON1 CN3001
DRUM CTL V
DRUM MOTOR
3 3
D.PG
4 4
D.FG
5 5
M
5 5 LOADING MOTOR
CN3002
LDM2
M 2
LDM1
1
ROT AR Y
CN3004
ENCODER
LSB
1
LSC 2
LSA 3
1 2
A/C HEAD
A/C HEAD CN2001
CN1
CTL HEAD ( - )
2 6
CTL
CTL HEAD ( + )
1 7
8 5 JOG 2 8 SW/DISPLAY(FRONT)
FW7003
FW7004
1
1
2
2
JOG/SHUTTLE
UNIT
4
4
IC7001
(FLD CTL)
9
AN2
10 AN1
OPE 11
AN0
2 7 POWER SW
DATA
1 1
3 3
FW7002 FW7001
Note : For the waveforms in this block diagram, refer to page 4-55.
MAIN ( VHS SYSCON, CONNECTION )
3
WF2
WF3 PC3001 PHOTO SENSOR
PC3002
PHOTO SENSOR
Q3002 START SENSOR
IC3004
( LOADING MOTOR
Q3003
END SENSOR
VOLTAGE CONTROL )
2 9
LDM2 LMC1
4 7
LDM1 LMC2
1
DRIVE VOL T AGE
Vref
CONTROL
Q3001
WF4
IC3002
TP3905
( RESET )
D3004
2 1
AL5.8V RESET
3
Vcc
CN7001 CN3011
JSA/SHUTTLE A
20 20
JSB/SHUTTLE B
19 19
SHUTTLE(L)
17 17
13 S.DATA FRSYS
Sin 4
4
14 S.DATA TOSYS
Sout 3
3
15 S.CLK
SCLK 2 2
TO
OSD
S.DATA FRSYS
S.CLK
DI7001
IC3001
( SYSTEM CONTROL MICRO PROCESSOR )
65
X1
28
CAP REV ( L )
64
X2
69
101 OSC2 ( OUT )
CAPPWM
8
CFG
67
OSC1 ( IN )
96
EXP2_DATA
102
DRUMPWM
107 TP3910
DPG
108 93
DFG FAN_CTL(H)/MESECAM(H)
54
SP FG
55
TU FG
14
START SENSOR
15
END SENSOR
35
LMC1
36
LMC2
33
EXP1_DATA
37 79
EXP_CLK
LMC3
46
26
LSB RXD/KBUS_IN
27 47
LSC TXD/KBUS_OUT
56
25
DIAL_OFF[H]/KBUS_REQ
LSA
57
DV_HOUSING_SW/HDD_RESET
TP4001
CTL.P
6
CTLAMPOUT
3
CTL ( - )
1
CTL ( + )
49
I2C DATA A/V
50
WF5
I2C CLK A/V
100
V.FF
66 98
C. SYNC
RES
TP3904
WF6
61
71 TU DATA
MODE 60
TU CLK
TP3903
62
FWE
97
96
JSA/STLA S_CASS(H)
94
JSB/STLB
95
SHTL ( L )
41
REC SAFETY
53
S.DATA FRSYS
51
S.DATA TOSYS
76
52
S.CLK I2C DATA2
75
I2C CLK2
4-61 4-62
IC3651
X3001
TIMER CLOCK ( AUDIO CTL )
(32KHz)
6
INSEL_A
7
X3002 INSEL_B
8
MAIN SYSTEM
OUTSEL_A
9
CLOCK
OUTSEL_B
(10MHz)
10
FULL_E_ON(L)
2
5
DATA2
N.REC(L)
3
CLK
IC3601
( VIDEO/TUNER/REG CTL )
Q7501 SW
13
D_OUT(L)
5
SP_CONV(H)
14
P.CTL(H)
10
TP3911 P.SAVE(L)
6
FLY_REC(L)
8
VHS(H)
2
DATA2
3 15
CLK BIL_SEL
AL5V
Q3010,Q3011
SW
AL5V
S3002
S.CASS
S3001
REC_SAFETY
5 IC3003
SDA
( SERIAL MEMORY )
6
SCL
TO
INSEL_A
AUDIO I/O
INSEL_B
OUTSEL_A
OUTSEL_B
TO
FULL_E_ON(L)
VIDEO/AUDIO
N.REC ( L )
CN7509
TO
FAN_CTL(H)
1
REG
2 P.SAVE(L)
CN5321
3 P.CTL(H)
TO
OSD_P.CTL(L)
VIDEO I/O
D_OUT(L)
SP_CONV(H)
TO
CN3014
DV MAIN (DV MSD)
1 RXD
CN1503
TXD
2
DIAL_OFF(L)
3
4 DV_H.SW
FLY_REC(L)
VHS(H)
TO
I2C DATA A/V
VIDEO/AUDIO
I2C CLK A/V
D.FF
C.SYNC/VREF
BIL_SEL
TO
TU DATA
TUNER
TU CLK
I2C CLK2
I2C DATA2
I2C CLK2
TO
I2C DATA2 OSD
TO
TERMINAL
CN7507
I2C DATA2
6
7 I2C CLK2