System Control Block Diagram - JVC HR-S2901U Service Manual

4.18 SYSTEM CONTROL BLOCK DIAGRAM

CN3001-1
WF1 CAP_M_FG
DRUM MOTOR
5 8
M
REC/PB 4.6 Vp-p
0.1 V/0.5 msec/DIV
1 2
0 3
1 2
CN3001
CAP.M FG
5 7
1 1
CAP.M F/R
4 4
3 in 1 MDA/
CAP.M VCTL
9 9
CAP MOTOR
LM F/R/S
10 10
DRUM PG/FG
11 11
M
DRUM VCTL
12 12
5 5 LOADING MOTOR
M
JS3001
ROTARY
LSD
5
ENCODER
LSC
4
LSB
3
LSA
2
1 2
A/C HEAD
HEAD CN2001
CN1
CTL HEAD (-)
2 5
CTL HEAD (+)
1 6
I2C DATA A/V
I2C CLK A/V
TO
D.FF
VIDEO/AUDIO
V. PULSE
VIDEO ENV
TO
I2C_CLK_A/V
S.SUB
I2C_DATA_AV
TO
I2C_CLK_A/V
2D DIGITAL
I2C_DATA_AV
V TO OSD
TO
S-SUB
V FROM OSD
TO
V_FROM_OSD
TERMINAL
CN3001-11 TP4001
WF2 D. PG/FG WF3 CTL.P WF4
REC/PB 4.5 Vp-p
PB 3.2 Vp-p
0.1 V/5 msec/DIV 50 mV/5 msec/DIV 0.1 V/10 msec/DIV
MAIN ( SYSCON )
WF1
WF2
PC3001
PHOTO
SENSOR
PC3002
PHOTO
SENSOR
TP4001
CTL. P
WF3
WF4
LPF
WF5
VIDEO SECTION ( ON SCREEN )
WF6
IC3001-74 IC3001-49 IC3001-47
WF5 CV_IN WF6 VIDEO_OUT
CTL_+
REC/PB 2.2 Vp-p
REC 3.8 Vp-p REC/PB 2.2 Vp-p
µ
µ
50 mV/5 sec/DIV 50 mV/5 sec/DIV
IC3001
( SYSTEM CONTROL MICRO PROCESSOR )
86
68
JSA
CAP.M FG
87
62
JSB
CAP.M F/R
33
CAP.M VCTL
61
LM F/R/S
65
DRUM PG/FG
34
DRUM VCTL
37
X OUT
X3001
MAIN
CLOCK
38
( 14.32MHz )
X IN
+5V +5V
1
22
SP FG
REC SAFETY
64
2
S.CASSETTE
TU FG
78
END SENSOR
94
LSD
93
LSC
92
85
LSB
START SENSOR
91
LSA
25
RESET
76
CTL AMP OUT
75
CTL -
74
CTL +
81
A.ENV/ND(L)
17
26
I2C DATA A/V
A.FF
18
28
I2C CLK A/V
H.REC_ST(H)
23
31
D.FF
24 I2C DATA
32
V. PULSE
83 I2C CLK/TEST
VIDEO ENV
IC3004
( SERIAL MEMORY )
50 35
A.MUTE ( H )
SYN IN
27
N.REC ST ( H )
15
N.REC ( H )
49
14
CVIN
FULL_E.ON(H)
20
FLY_REC(H)
47
VIDEO OUT 19
FLY_REC_ST(H)
4-31 4-32
SYSTEM
S3001 REC SAFETY SW
S3002
S.CASSETTE SW
END
Q3002
SENSOR
START
Q3001
SENSOR
D3005
RESET AL5.8V SYS
Q3006, Q3007
( RESET )
6
SCL
5
SDA
ONLY USED FOR HR-S5901U / S5911U / S5911U(C)
TO ADV. JOG/SW
CN7003
CN7001
ONLY USED FOR
JSA
1
JSB
3 HR-S5901U/S5911U/S5911U(C)
HR-S3901U/S3911U/S3911U(C)
TO S-SUB
S.CASS(H)
TO TUNER
I2C DATA
I2C CLK
TO FMA/DEMOD
A.ENV/ND(L)
A.FF
H.REC_ST(H)
I2C DATA
I2C CLK
A.MUTE ( H )
A.MUTE ( H )
N.REC ST ( H )
N.REC ( H ) TO
VIDEO/AUDIO
FULL_E.ON(H)
FLY_REC(H)
FLY_REC_ST