System Control Block Diagram - JVC HR-S9700EK Service Manual

4.25

SYSTEM CONTROL BLOCK DIAGRAM

5
CN3003
CAP MDA
CAP REV ( L )
6
M
CAP CTL V 3
CAP FG
2
CON1 CN3001
DRUM CTL V
DRUM MOTOR
3 3
D.PG
2 4
D.FG
1 5
M
4
5 5 LOADING MOTOR
CN3002
LDM2
M 2
LDM1
1
ROT AR Y
CN3004
ENCODER
LSB 1
3
LSC 2
LSA 3
1 2
A/C HEAD
A/C HEAD CN2001
CN1
CTL HEAD ( - )
2 6
CTL
CTL HEAD ( + )
1 7
D.FF
TO HEAD SEL
VIDEO/AUDIO V . PULSE
VIDEO ENV
2
C.SYNC/VREF
3 7 JOG
CN7005 CN3012
JSA/SHUTTLE A
6 1
JSB/SHUTTLE B
5 2
JOG/SHUTTLE
1
UNIT
J2/JOG A
2 5
J1/JOG B
1 6
OPEN
A B
0 3 MAIN ( SYSCON )
PC3001
PHOTO
SENSOR PC3002
IC3004
( LOADING MOTOR PHOTO
SENSOR
VOLTAGE CONTROL )
2 9
LDM2 LMC1
4 7
LDM1 LMC2
1
DRIVE VOL T AGE
Vref
CONTROL
Q3001
D.FF
D3004
2 1
AL5.8V RESET
3
IC3002
TP3904
TP3903
Vcc
( RESET )
C D
IC3001
( SYSTEM CONTROL MICRO PROCESSOR )
65
28 X1
CAPREV ( L )
64
101
X2
CAPPWM
8
CFG
69
OSC2 ( OUT )
67
OSC1 ( IN )
41
102
DRUMPWM REC SAFETY
107 53
DPG S.CLK
108 51
DFG SDA . T A TOSYS
52
S DA . T A FRSYS
79
DDSPDCTL
54
SP FG
55
TU FG
78
DDCREV
77
DDCFWD
35
15
LMC1
END SENSOR
36
LMC2
37
14
LMC3
STAR T SENSOR
59
DD FG
17
DD ABS
103
SUB RESET
105
26
SUB BUSY
LSB
27 106
SUB CS
LSC
25 91
OSD CS
LSA
TP4001
CTL.P
6
49
CTLAMPOUT
I2C DATA A/V
50
I2C CLK A/V
3 74
CTL ( - ) A.MUTE ( H )
1
99
CTL ( + )
A.FF
88
H.REC ST ( H )
58
N.REC ST ( H )
87
100
FLYON ( H )
V . FF
90
HEAD SEL
110
V.PULSE
13
VIDEO ENV
47 2
98
EXP1 DAT A
C. SYNC
3
TP3905
66
RES
46
EXP2 DAT A
48
EXP CLK
71
61
MODE
TU DA T A
62
FWE
60
TU CLK
97
JSA/STLA
94
JSB/STLB
76
95
SHTL ( L ) /JOGA I2C DAT A2
96 75
JOGB I2C CLK2
E
4-47 4-48
S3002
+5V
C3025 S.CASS
Timer clock
X3001
D.FF
TIMER CLOCK
(32KHz)
X3002
MAIN SYSTEM
CLOCK
(10MHz)
DRIVE VOL T AGE
CONTROL
Q3501
1
V ref
CN3501
9
2
IN 2 OUT 2
7 4
IN 1 OUT 1
END
Q3003
SENSOR IC3501
( DD MOTOR VOLTAGE CTL )
STAR T
Q3002
SENSOR
IC3601
( AUDIO/VIDEO CTL )
4
N.REC
DAT A
9
FULL E ON
IC3651
CLK
13
( TUNER/SW.REG CTL )
VHS ( H )
12
FLY REC
7
V UP
2
DA T A 6
P CTL
3
CLK 4
V UP2
13
SW1
12
SW2
5
SDA
6
IC3003
SCL
( SERIAL MEMORY )
F
TO
CONNECTION
S.CASS ( H )
D.FF
S.DA TA FRSYS
S.DA TA TOSYS
S.CLK
TO
SW/DISPLA Y
CN7001
CN3011
REC SAFE
3
5 S.CLK
6 S.DA TA TOSYS
7 S.DA T A FRSYS
DD MOTOR
CN3701 CN3702
DDMREV
2 M
6
DDM FWD
1
5
DD MFG
2
DD ABS
1
SUB RESET
SUB BUSY
SUB CS TO
OSD CS CONNECTION
I2C CLK A/V
I2C DA TA A/V
I2C DA TA A/V
I2C CLK A/V
A.MUTE ( H )
A.FF
H.REC ST ( H )
TO
N.REC ST ( H )
VIDEO/AUDIO
FLY ON ( H )
N.REC ( L )
FULL E ON ( L )
VHS ( H )
FLYREC ( H )
V UP ( H )
TO
P.CTL ( H )
SW.REG
V.UP2 ( L )
SW 1
SW 2
TU DA TA
TO
TU CLK TUNER
I2C CLK2
I2C DATA2
TO
I2C DATA2
CONNECTION
I2C CLK2
G H