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6-3E
6-7. SERVO/SYSTEM CONTROL MICROPROCESSOR M37775M (MA-249 board IC501)
Pin No.
Name
I/O
Function
1
MESECAM
O
MESECAM signal output.
2
RECP
O
"H" when rec. pause mode.
3
DRUM
O
Drum error signal output.
4
CAP ERR
O
Capstan error signal output.
5
NAPB
O
"H" output when PB mode.
6
AMUTE
O
Audio mute signal output.
7
PLL DATA
O
PLL data output.
8
PLL CLK
O
PLL clock output.
9
I2C CLK
O
I2C clock signal output.
10
T-ENABLE
O
Tuner enable signal output.
11
REMOCON
I
SIRCS signal input.
12
BG
O
"H" when BG mode.
13
SECAM
I
SECAM system select. Built-in or not.
14
LINE1
O
"H" when input is LINE signal.
15
LP
O
"H" when LP mode.
16
CTL GAIN
O
CTL gain control.
17
CAPRVS
O
Capstan direction control signal. "H" when tape running reverse direction
18
QVD
O
Quasi V signal.
19
DMS MODE 3
I
DMS mode signal input.
20
RFSWP
O
RF switching pulse output
21
REC-CTL
I
REC CTL input.
22
PWR_CONT
O
Power control signal.
23
DRMPG
I
DRUM PG signal input.
24
DRMFG
I
DRUM FG signal input.
25
PBCTL
I
PB CTL signal input.
26
VCC
I
VCC
27
MODE4
I
Mode switch signal input.
28
MODE3
I
Mode switch signal input
29
MODE2
I
Mode switch signal input.
30
MODE1
I
Mode switch signal input.
31
CAM 2
O
CAM motor control signal.
32
CAM 1
O
CAM motor control signal.
33
SREEL
I
Supply reel signal input.
34
TREEL
I
Take up reel signal input.
35
GND
I
GND
36
GND
I
GND
37
RESET_
I
Reset signal input. Active "L"
38
16M
—
For crystal 16MHz.
39
16M
—
For crystal 16MHz.
40
VCC
I
VCC
41
GND
I
GND
42
32K
—
For crystal 32KHz.
43
32K
—
For crystal 32KHz.
44
RECPRF
I
Recording proof signal input.
45
END_LED
O
END sensor signal output.
46
DMS MODE 4
I
DMS mode signal input.
47
SYSTEM 2/
O
Each system control signal.
3.58MHz/LP JOG
48
APC+NC1
O
APC control signal output.
49
NTSC_/C+DET
O
NTSC detect signal output. /Canal + detect signal output.
50
NT-JUDGE/C+CLOCK
O
NTSC detect signal output. /Canal + clock signal output.
Pin No.
Name
I/O
Function
51
DMS MODE 2
I
DMS mode signal input.
52
G1
O
Fluorescent display control signal.
53
G2
O
Fluorescent display control signal.
54
G3
O
Fluorescent display control signal.
55
G4
O
Fluorescent display control signal.
56
P19
O
Fluorescent display control signal.
57
P18
O
Fluorescent display control signal.
58
P17
O
Fluorescent display control signal.
59
P16
O
Fluorescent display control signal.
60
P15
O
Fluorescent display control signal.
61
P14
O
Fluorescent display control signal.
62
P13
O
Fluorescent display control signal.
63
P12
O
Fluorescent display control signal.
64
P11
O
Fluorescent display control signal.
65
P10
O
Fluorescent display control signal.
66
P9
O
Fluorescent display control signal.
67
P8
O
Fluorescent display control signal.
68
P7
O
Fluorescent display control signal.
69
P6
O
Fluorescent display control signal.
70
P5
O
Fluorescent display control signal.
71
P4
O
Fluorescent display control signal.
72
P3
O
Fluorescent display control signal.
73
P2
O
Fluorescent display control signal.
74
P1
O
Fluorescent display control signal.
75
-9V
I
VCC (-9v input)_
76
VCC
I
VCC
77
SO1
O
Serial data signal output.
78
PAL60/PDC POWER
O
Video control signal output. / PDC power control signal output
79
SCK1
O
Serial clock signal output.
80
OSD-CS_
O
OSD chip select signal output.
81
VCC
I
VCC
82
AD
I
VCC for A/D convertor.
83
APC+PWM
O
APC PWM signal output.
84
POWER-FAIL_
I
Power fail detect signal input.
85
TU-AFT
I
Tuner AFT signal input.
86
APC+PWM IN
I
APC PWM signal input.
87
FUNC-KEY2
I
Signal input from function key.
88
FUNC-KEY1
I
Signal input from function key.
89
SSENS
I
Supply sensor signal input.
90
TSENS
I
Take up sensor signal input.
91
AV_CONT
O
AV control signal output.
92
VIDEO-RF
I
Video RF signal input.
93
CSYNC
I
Composite sync signal input.
94
APC+NC2
O
APC control signal output.
95
APC-ON
O
APC control signal output.
96
JOG_
O
"H" When JOG mode.
97
CAPFG
I
Capstan fg signal input.
98
SP_
O
"L" when SP mode.
99
VPB_
O
"L" when video play back mode.
100
RENTAL
O
Video picture control signal output.
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