JVC HR-S6700MS Service Manual page 94

4.30 SYSTEM CONTROL BLOCK DIAGRAM
5
CAPMDA
CAP REV ( L )
M
CAP CTL V
CON1
DRUMMOTOR DRUM CTL V
3
D.PG
2
D.FG
1
M
4
5 5 LOADING MOTOR
M
3
ROTARY
ENCODER
1 2
A/CHEAD
A/CHEAD
CN1
CTLHEAD (
2
CTL CTLHEAD (
1
TO
2
VIDEO/
AUDIO
3 7 JOG
CN7005
JSA/SHUTTLE A
6
JSB/SHUTTLE B
5
JOG/SHUTTLE
SHUTTLE(L)
3
UNIT
J2/JOG A
1 2
J1/JOG B
1
A B
MAIN ( SYSCON )
0 3
CN3003
6
3
CAP FG 2
CN3001
3
4
5
PC3001
PHOTO
SENSOR PC3002
IC3004
( LOADINGMOTOR PHOTO
SENSOR
VOLTAGECONTROL )
CN3002
LDM2 2 9
2 LDM2 LMC1
LDM1 4 7
1 LDM1 LMC2
1 DRIVE VOLTAGE
Vref
CONTROL
Q3001
CN3004
LSB
1
LSC 2
LSA 3
CN2001
)
6
)
7
D.FF
D.FF
V. PULSE
VIDEO ENV
C.SYNC/VREF
SECAM ( H )
TP3906
CN3012
1
2
4
D3011
5
D3012
6
ONLYUSEDFOR
HR-S7700MS
C
IC3001
( SYSTEMCONTROLMICROPROCESSOR )
28
CAP REV ( L )
101
CAPPWM
8
CFG
OSC2 ( OUT )
OSC1 ( IN )
102
DRUMPWM
107
DPG
108
DFG
REC SAFETY
. S DATA TOSYS
. S DATA FRSYS
54
SP FG
55
TU FG
OSD CS
35
LMC1
36
LMC2
S CASS ( H )
37
LMC3
END SENSOR
26
START SENSOR
LSB
27
LSC
25
LSA
TP4001
CTL.P
6
CTLAMPOUT
I2C DATA A/V
I2C CLK A/V
3
A.MUTE ( H )
CTL ( )
1
CTL ( )
H.REC ST ( H )
N.REC ST ( H )
100
V. FF
FLY ON ( H )
110
V. PULSE
13
VIDEO ENV
98
EXP1 DATA
C. SYNC
56
SECAM ( H )
TP3903 TP3904
Vcc
EXP2 DATA
EXP CLK
71
MODE
62
FWE
97
JSA/STLA
94
JSB/STLB
95
SHTL ( L ) /JOGA
I2C DATA2
I2C CLK2
TU A MUTE ( H )
TU V MUTE ( H )
D E
4-57 4-58
65
X1
X3001
TIMER CLOCK
( 32KHz )
64
X2
69
X3002
MAIN SYSTEM
CLOCK
( 10MHz )
67
41
53
S.CLK
51
52
91
+5V
S3002
96
S.CASS
15
END
Q3003
SENSOR
14 START
Q3002
SENSOR
TP3905
D3004
66 1 2
RES RESET AL5.8V
3
IC3002
( RESET )
49
50
74
99
A.FF
88
58
87
TP3902
IC3601
4
47 2 N.REC
DATA
9
3 FULL E ON
CLK
12
TP3901
FLY REC
IC3651
46 2 12
DATA SW2
48 3 13
CLK SW1
I2C DATA2
I2C CLK2
5
SDA
6
SCL
IC3003
( SERIALMEMORY )
76
75
72
73
F
TO
SW/DISPLAY
CN7001
CN3011
REC.SAFE
3
5 S CLK
6 S DATA TOSYS
7 S DATA FRSYS
TO
CONNECTION
S.CLK
S.DATA FRSYS
OSD CS
D.FF D.FF
I2C DATA2 I2C DATA2
I2C CLK2 I2C CLK2
I2C CLK A/V
I2C DATA A/V
TO
VIDEO/.AUDIO
I2C DATA A/V
I2C CLK A/V
A.MUTE ( H )
A.FF
H.REC ST ( H )
N.REC ST ( H )
N.REC ( L )
FLY ON ( H )
FULL E ON ( L )
FLY REC ( H )
ONLYUSEDFOR
HR-S7700MS
TO
TUNER
SW 2
SW 1
I2C DATA2
I2C CLK2
TU A MUTE ( H )
TU V MUTE ( H )
G H