JVC ShowView DELUXE HR-S9850MS Service Manual page 69

4.27 SYSTEM BLOCK DIAGRAM
CAP MDA
CAP_REV ( L )
M
CAP_CTL_V
CAP_FG
CON1
DRUM_CTL_V
DRUM MOTOR
3
D.PG
2
D.FG
1
M
5 5 LOADING MOTOR
LDM2
M
LDM1
ROTARY
ENCODER
LSB
LSC
LSA
1 2
A/C HEAD
A/C HEAD
CN1
CTL HEAD (-)
2
CTL CTL HEAD (+)
1
D.FF
TO
V. PULSE
VIDEO/
VIDEO_
AUDIO
C.SYNC/V.REF
3 8 ADV. JOG
CN7004
JSA
4
JSB
3
ROTARY
ENCODER
ADV
1
MAIN ( SYSCON,CONNECTION )
0 3
CN3003
6
3
2
WF1
WF2
CN3001
3
4
5
WF3
PC3001
PHOTO
SENSOR PC3002
IC3004
( LOADING MOTOR PHOTO
SENSOR
VOLTAGE CONTROL )
CN3002
2 9
2 LDM2 LMC1
4 7
LDM1 LMC2
1
1
DRIVE VOLTAGE
Vref
CONTROL
Q3001
CN3004
1
2
3
CN2001
6
7
ENV
TP3903
Vcc
CN3012
1
2
4 ADV
IC3001
( SYSTEM CONTROL MICRO PROCESSOR )
28
CAP_REV ( L )
101
CAPPWM
8
CFG
OSC2 ( OUT )
OSC1 ( IN )
102
DRUMPWM
107
DPG
108
DFG
REC_SAFETY
S.CLK
S. DATA_TOSYS
S. DATA_FRSYS
54
SP_FG
55
TU_FG
OSD_CS
35
LMC1
36
LMC2
JOGB,S_CASS ( H )
37
LMC3
END_SENSOR
26
START_SENSOR
LSB
27
LSC
25
LSA
RES
TP4001
CTL.P
WF4
6
CTL AMP OUT
I2C_DATA_A/V
I2C_CLK_A/V
3
A.MUTE ( H )
CTL ( - )
1
CTL ( + )
A.FF
H.REC_ST ( H )
WF5 N.REC_ST ( H )
100
V. FF
110
V.PULSE
13
EXP1_DATA
VIDEO ENV
98
C. SYNC
TP3904
WF6
EXP2_DATA
71
MODE
EXP_CLK
62
FWE
97
JSA/STLA
94
JSB/STLB
I2C_DATA2
I2C_CLK2
TU_A_MUTE ( H )
TU_V_MUTE ( H )
4-47 4-48
CN3003-2 CN3001-4
C3025
WF1 WF2
CAP_FG D.PG
Timer clock
ONLY USED FOR REC/PB 2.2 Vp-p REC/PB 4.5 Vp-p
50 mV/0.5 msec/DIV
0.1 V/10 msec/DIV
EK/EU MODELS
65
X1
TP4001 IC3001-1
X3001 WF4 CTL.P WF5 CTL(+)
TIMER CLOCK
(32KHz)
64
X2
69
X3002
PB 2.2 Vp-p REC 3.5 Vp-p
MAIN SYSTEM 0.5 V/10 msec/DIV
0.1 V/10 msec/DIV
CLOCK
67
(10MHz)
79
53
51
52
91
Vcc
S3002
96
S.CASS
15 END
Q3003
SENSOR
14 START
Q3002
SENSOR
TP3905
D3004
66 1 2
RESET AL5.8V
3
IC3002
( RESET )
49
50
74
99
88
58
TP3908
TP3902
IC3601
4
47 2 N.REC
DATA
9
3 FULL_E_ON
CLK
TP3901
(AUDIO/VIDEO CONTROL)
IC3651
2 12
46
DATA SW2
48 3 13
CLK SW1
(TUNER/REG CONTROL)
5
SDA
IC3003
6
SCL
76 ( SERIAL MEMORY )
75
72
73
CN3001-5
WF3
D.FG
REC/PB 4.5 Vp-p
0.1 V/10 msec/DIV
IC3001-98
WF6 C.SYNC
REC/PB 2.2 Vp-p
0.1 V/20 µsec/DIV TO
DISPLAY
CN7001
CN3011
ADV ADV
1
REC.SAFE
3
5 S. CLK
S.DATA_TOSYS
6
7 S.DATA_FRSYS
TO
TERMINAL
CN904
CN914
5 OSD_CS
6 S.CLK
S.DATA_FRSYS
7
TO
TERMINAL
CN905
CN915
1 I2C_DATA2
2 I2C_CLK2
TO
3D/TBC(2M)
CN501
CN1401
11 I2C_CLK_A/V
12 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 )
FULL_E_ON ( L )
TO
TUNER
SW_2
SW_1
I2C_ DATA2
I2C_ CLK2
TU_A_MUTE ( H )
TU_V_MUTE ( H )