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4-7.
SERVO/SYSTEM CONTROL PORT FUNCTION DESCRIPTION (MA10 BOARD IC402)
Pin No.
Signal
I/O
Function
1
RF SWP
O
RF SWITCHING PULSE
2
–
–
3
–
–
4
QVD
O
QUASI VD
5
CTLHYS HIGH
O
CTL CONTROL
6
–
–
7
REC CTL
O
REC CTL SIGNAL
8
CAM LOAD
O
CAM LOADING
9
CAM UNLOAD
O
CAM UNLOADING
10
CTL RESET
O
CTL CONTROL
11
–
–
12
–
–
13
–
–
14
–
–
15
–
–
16
–
–
17
C IN
I
CASSETTE IN
18
–
–
19
MODE4
I
MD MODE DET
20
MODE3
I
MD MODE DET
21
MODE2
I
MD MODE DET
22
MODE1
I
MD MODE DET
23
LED6
O
REC PON LED
24
LED5
O
ON TIMER LED
25
LED4
O
REC LED
26
LED3
O
TIMER REC LED
27
–
–
28
SDA
I/O
I
2
C BUS DATA FOR VIDEO/HiFi
29
–
–
30
SCL
O
I
2
C BUS CLOCK FOR VIDEO/HiFi
31
–
–
32
–
–
33
GND
O
34
CAP STOP
O
35
T/S LED
O
T/S LED CONTROL
36
GND
O
37
GND
O
38
GND
O
39
MP
–
40
ASURA RESET
–
41
Vss
–
42
XTAL
–
43
EXTAL
–
44
ASURA CS
I
ASURA u-COM CHIP SELECT
45
S IN 0
I
SERIAL DATA IN
46
S OUT 0
O
SERIAL DATA OUT
47
S CLK
I
SERIAL CLOCK
48
GND
O
49
MUTE
O
AUDIO MUTE
50
POS
I
SWITCHING POSITION ADJ MODE
Pin No.
Signal
I/O
Function
51
GND
O
52
AVss
–
53
AV ref
–
54
AVdd
–
55
SECAM/SVHS
I
SVHS DET IN
56
GND
O
57
DEW
I
DEW SENSOR
58
GND
O
59
–
–
60
RF ENV
I
VIDEO RF ENVELOPE DET
61
T SENS
I
TAPE TOP SENSOR
62
S SENS
I
TAPE END SENSOR
63
SREEL FG
I
S-REEL FG
64
TREEL FG
I
T-REEL FG
65
GND
O
66
VSYNC
I
V SYNC SIGNAL IN
67
PB CTL
I
PB CTL SIGNAL
68
DRM PG
I
DRUM PG
69
DRM FG
I
DRUM FG
70
CAP FG
I
CAPSTAN FG
71
–
–
72
CAP RVS
O
CAPSTAN REVERSE
73
CAP DA
O
CAPSTAN D/A OUTPUT
74
DRM DA
O
DRUM D/A OUTPUT
75
JOG
O
JOG CONTROL
76
S VHS
O
S VHS DET OUT
77
REC COUNT
I
REC CTL COUNT
78
–
–
79
–
–
80
SO 1
O
SERIAL DATA OUTPUT FOR RP AMP
81
SCK1
O
SERIAL CLOCK FOR RP AMP
82
GND
O
83
V PB
O
VIDEO PB MODE
84
CAP PWM
O
CAPSTAN
85
–
–
86
–
–
87
–
–
88
Vss
–
89
Vdd
–
90
–
–
91
–
–
92
–
–
93
–
–
94
–
–
95
–
–
96
–
–
97
–
–
98
–
–
99
STEP PLS
O
100
–
–
Содержание TRINITRON KV-VF21M70
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