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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 – –