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IC DESCRIPTIONS
SYSCON PCB OEC0114A (IC1001)
No. PORT
PIN
NAME
I/O
DESCRIPTION
39
DPG
DPG
IN
Input terminal for DRUM PG signal derection.
40
CFG
CFG
IN
Input terminal for CAPSTAN FG signal detection.
41
SV VDD
VCC(SV)
-
+ 5V
42
OSD VDD
VCC(OSD)
-
+ 5V
43
CV_IN
CV_IN
IN
Composite Video input terminal.
44
V_REF
V_REF
OUT
Capacity connection for Sync Chip Clamp composite Video input.
45
CV_OUT
CV_OUT
OUT
Composite Video output.
46
CHR_BIAS
CHR_BIAS
IN
Brightness(Brilliant)level setting of OSD character Indications.
47
AFC_LPF
AFC_LPF
IN
Condenser connection for AFC LPF.
48
AFC_OSC
AFC_OSC
IN
Condenser connection for AFC OSC.
49
OSD_VSS
OSD_VSS
-
Ground.
50
DOSC_IN
DOSC_IN
IN
Dot Clock pulse(Oscillator)of OSD character indications.
51
DOSC_OUT
DOSC_OUT
OUT
Dot Clock pulse(Oscillator)of OSD character indications.
52
4FSC_OUT
4FSC_OUT
OUT
4 FSC pulse.
53
4FSC_IN
4FSC_IN
IN
4 FSC pulse.
54
SYNC
SYNC
IN
Input terminal for composite SYNC.
55
P67/Vsync
POWER_OFF_L
OUT
4FSC_MUTE control output of power off.
56
P66/YC01
V_REC_ST-H
OUT
On control of A/V recording(Whole width erase) circuit.
57
P65/YE01
2/4 HEAD
IN
The initial settings of 2 head or 4 head.
58
P64/YC02
TUNER-L
OUT
Output low at tuner and output high at external input/play.
59
P63/YE02
A.MUTE-H
OUT
Mute signal of audio mute.
60
P57
CAP_FWD-H
OUT
Capstan forward and backward command.
61
P56
CENTER LED
OUT
The CENTER LED light-up/put-off control output.
62
P55
NC
OUT
Not used.
63
P54
LDM CTL
OUT
Loading motor control terminal.
64
P53/TM0
POWER ON-H
OUT
For control the user power switch ON/OFF.
65
P52/PWM2
CYL_SPEED_UP
OUT
Output terminal for correct cylinder during SLOW.
66
P51/PWM1
CAP_LIMIT
OUT
Switch the maximum output current of the Capstan Motor.
67
P50/BUZZ
SERVICE
IN
Input terminal for Service Mode.
68
TEST
TEST
IN
Ground.
69
X2
X2
OUT
Subclock pulse(32.768KHz)
70
X1
X1
IN
71
DVSS
VSS
-
Ground.
72
OSC1
OSC1
IN
Connect the main crystal(10MHz)
73
OSC2
OSC2
OUT
74
P47
GND
-
GND
75
P46
NC
OUT
Not used.
76
P45
NC
OUT
Not used.
77
P44
REC LED
OUT
Output terminal control for REC-LED voltage drive.
78
P43
T-REC LED
OUT
Output terminal control for T-REC-LED voltage drive.
79
P42
TV/VCR LED
OUT
Output terminal control for TV/VCR-LED voltage drive.
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