SYSCON/SOFTWARE/SERVO IC
IC1001 OEC0130A
SYSTEM CONTROL/SERVO BLOCK DIAGRAM
IC1003 PST3231NR
/RESET
SYSTEM RESET
IC
77
1
2
MS SEN-B
REEL-T
40
MS SEN-A
32
MS_SEN A
Q1005
MS_SEN B
Q1004
2
3
4
1
2
3
4
1
AT+5.2V
BOT-H
29
EOT-H
26
P.CON+5V
BOT SENSOR
Q1008
EOT SENSOR
Q1006
31
REEL SENSOR
Q1002
2
3
1
4
LDM-CTL
12
11
I LIMIT
VCC
CP1001
7
6
CYL FG/PG
CYL CTL
5 LDM_CTL
DECK
4 LD/CY VCO
3 CAP/M/F/R
2 CAP VCO
10
8
CAP FG
CAP CTL
CAP LIMIT
84
CAP PWM
108
CAP FG
9
CAP FULL
102
D FG/PG
104
CYL SPEED UP
103
CAP FWD-L
45
46
AT+12.6V
P.CON+5V
AT+5V(M-CON)
POWER
POWER_ON_L
POWER_ON-L
POWER FAIL
POWER_FAIL
68
37
OSC1
78
OSC 2
80
X1004
10 MHz
TAB SW
67
SW1001
X1
76
X2
75
X1002
32.768 KHz
Y/C/AUDIO/CCD/
HEAD AMP
91
V-REC ST-H
V.REC_ST-H
CTL(-)
4
H.AMP SW
CTL(+)
3
100
COMP 101
V ENV
30
CTL-
H.AMP_SW
CTL+
COMP
ENV.DET
VIDEO H.SW 105
C.SYNC 111
H.SW
C.SYNC
A.MUTE-H
90
AUDIO_MUTE-H
AFT S. CURVE
TUNER
VCR-H(TV/VCR)
AUDIO_OUT_MUTE
88
87
CV OUT
19
RF_SW
89
25
AFT-S.CURVE
TV/VCR
A_OUT_MUTE-L
VIDEO_OUT
RF_CH_SW
V.REC_ST-H
AUDIO_MUTE-H
HI-FI/
DEMODULATOR
HI FI H.SW
HIFI_H.SW
HIFI ENV
HIFI_ENV.DET
ST SELECT
ST_SELECT
106
28
27
IIC_DATA
IIC SDA
62
IIC CLK
61
IIC_CLK
IIC_DATA
IIC_CLK
CV IN2
17
OSD_V
4FSCIN/2FSCIN
22
4FSC
Y/C_CLK
96
Y/C_CLK
Y/C_DATA
97
Y/C_DATA
98
Y/C_CS
Y/C_CS
DUMMY V.SYNC 109
DUMMY_V.SYNC
C.ROTARY
99
C.ROTARY
CV IN1
16
OPERATION
GRID1/T-REC_LED
GRID2/REC_LED
47
48
GRID3/TV/VCR_LED
49
KEY-A
1G/TV/VCR_LED
2G/T-REC_LED
3G/REC_LED
KEY-A
KEY-B
33
REM_IN
43
KEY-B
REM_IN
GRID4/POWER_LED
50
4G/POWER_LED
34
E-3
E-4