JVC HR-S6970AA Service Manual page 41

SYSTEM CONTROL BLOCK DIAGRAM
0 3
5 7
CN3001
CAP.M_FG
1 1
CAP MDA /
CAP.M_F/R
4 4
CAP.M_VCTL
DRUM MOTOR
9 9
LM_F/R/S
10 10
DRUM_PG/FG
11 11
M DRUM_VCTL
12
12
JS3001
ROTARY
LSA
2
ENCODER LSB
3
LSC 4
LSD 5
1 2
A/C HEAD
CN2001
A/C HEAD
CTL_HEAD ( - )
CTL 2 5
CTL_HEAD ( + )
1 6
S_DET
D.FF
V. PULSE
VIDEO_ENV
TO
N.REC_ST ( H )
VIDEO/N. AUDIO
SP_SHORT(H)
SP_GAIN
C.SYNC
MESECAM_DET
MAIN ( SYSCON )
X3002
MAIN SYSTEM
CLOCK
(10MHz)
X3001
C3025
TIMER CLOCK
TIMER CLOCK
( 32kHz )
WF1
TP4001
WF2
CTL. P
WF3
PC3001
PHOTO
SENSOR
PC3002
PHOTO
SENSOR
Q3003
SENSOR
IC3001
( SYSTEM CONTROL MICRO PROCESSOR )
80
OSC2(OUT)
78
OSC1(IN)
76
X1
93
H.REC_ST ( H )
74
X2
62
I2C_DATA_AV
9
61
CFG
I2C_CLK_AV
55
94
CAP_REV[H]
A.MUTE_VHS ( H )
108
101
CAP_CTL_V
N.REC(H)
44
LM_F/R(LMC1)
104
DFG
107
DRUM_CTL_V
7
CTL_AMP_OUT
Q4001
103
SW CTL_GAIN
37
SP_FG
42
TU_FG
76
I2C_DATA2
75
I2C_CLK2
31
END
END_SENSOR
67
LSA
38
LSB
34
LSC
33
AL5V
LSD
39
REC_SAFETY
4
CTL(-)
3
16
CTL(+) CVIN2
WF4
17
CVIN1
WF6
19
35 CVOUT
S_DET
105
WF7
D.FF
109
V. PULSE
26
VIDEO_ENV
101
N.REC_ST ( H )
91
SP_SHORT(H)
85
SB_GAIN(PWM)
111
C.SYNC
88
MESECAM_SET
WF5
2-33 2-34
IC3003
( SERIAL MEMORY )
5
SDA
6
SCL
S3001 REC SAFETY SW
FILTER
I2C_DATA TO
S-SUB
I2C_CLK
I2C_DATA
I2C_CLK TO
FMA
A.MUTE ( H )
H.REC_ST(H)
I2C_DATA
I2C_CLK TO
VIDEO/N. AUDIO
A.MUTE(H)
N.REC ( H )
I2C_DATA2
TO
I2C_CLK2 VIDEO SW
I2C_DATA2 TO
TUNER
I2C_CLK2
TO
V_TO_OSD
VIDEO/N.AUDIO
TO
V_FROM_OSD
TERMINAL
TO
V_FROM_OSD
S-SUB
TO
RF_VIDEO
TUNER