
TIMER SYSCON SERVO CONTROLLER IC
IC1001 OEC0117A
MS SEN-B
6
SYSTEM CONTROL/SERVO BLOCK DIAGRAM
REEL-T
87
REEL SENSOR
Q1002
EOT SENSOR
Q1006
2
3
CENT LED
61
MS SEN-A
7
MS_SEN A
Q1005
MS_SEN B
Q1004
2
3
4
1
2
3
4
1
Q1007
CENT SW
AT+5.2V
Y/C/AUDIO/CCD/
HEAD AMP
A.MUTE
DUMMY V.SYNC
C.ROTARY
IIC DATA
20
28
56
27
V.REC ST-H
19
FS/IIC CLK
18
CV IN
43
Y/C_CS
59
CTL-H(-)
32
H.AMP SW
CTL-H(+)
31
29
COMP
30
ENV DET
14
P.OFF-L
55
AUDIO.MUTE-H
DUMMY_V.SYNC
C.ROTARY
IIC_DATA
V.REC_ST-H
IIC_CLK
OSD_V
Y/C_CS
CTL-
H.AMP_SW
CTL+
COMP
ENV.DET
4FSC
MODE_VCC
BOT-H
3
1
4
EOT-H
12
P.CON+5V
BOT SENSOR
Q1008
H.SW
24
C.SYNC
54
H.SW
C.SYNC
POWER
AFT S. CURVE
TUNER
VCR-H(TV/VCR)
84
CV OUT
45
11
AFT-S.CURVE
TV/VCR
VIDEO_OUT
IIC_CLK
IIC_DATA
OSC1 72
TAB SW
80
X1001
1002T01003
OSC 2 73
SW1001
AT+5V(M-CON)
RESET
IC1003
R3111N311A/C
SYSTEM
RESET IC
1
2
16
TUNER-L
58
TUNER-L
RF_CH_SW
62
RF_CH_SW
AT+12.6V
P.CON+5V
POWER ON-H
64
POWER FAIL-H
89
POWER_ON-H
POWER_FAIL
LDM_CTL
1
2
CAP_FG
CAP_VCO
CP1001
5
8
I_LIMIT
LD/CY_VCO
9 CAP_CTL
DECK
10 LDM_CTL
11 CYL_FG/PG
12 CYL_CTL
3
4
VCC
CAP/M/F/R
CFG
40
CAP LIMIT
66
DPG
39
CAP FWD
60
CAP FULL
21
CAP PWM
25
DFG
38
65 CYL SPEED UP
63
1G/TV/VCR LED
2G/T-REC LED
79
78
3G/REC LED 77
KEY-A
9
1G/TV/VCR_LED
2G/T-REC_LED
3G/REC_LED
KEY-A
KEY-B
8
REM_IN 82
KEY-B
REM_IN
OPERATION
E-3
E-4