JVC HR-S9850EK, Service Manual

Page: 67 / 90

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