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