Sharp VL-C780S Serviceanleitung Seite 165

4, Arrangement of terminals
i | Circuit | Description
OPEN | Drum PG signal input
Serial data input
CMOS | Serial data output
OPEN | Serial clock input
OPEN | Operation stop mode cancel pulse input
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4) SCK
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6} P21
7| P22
8| P23
9! CT110
10} CT100
Dewing detection input. Dewing = Low
Supply ree! pulse input
Winding reel pulse input
Capstan FG signal input
DRUM FG Drum FG signal input
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11/CT111 Playback CTL signal input
13} PTOOO PO ]HswP | CMOS | 25 Hz head switching pulse output
14 Pee ieee | Pseudo-sync signal output in special playback
(VSF, VSR, STILL)
15 P32. sft [DOcL Video head clogging detection input
16 fpTo11. =| O [RECCTL Record CTL signal output
17| PWMO | | DRUM PWB CMOS | Drum motor control output Low
18 (pwé1 = | O |cAPPwM Capstan motor control output
19 [AVss |—|GND | A/D converter reference GND terminal
21 fANO. | st | H.SW.P ADJ H.SW.P. signal delay adjustment input
22 [ANT jt TEST MODE Test mode setting input
23| AN2 BATT DET
24| AN3 TAPE END
Battery voltage input
Tape end sensor input
30! Vpop 5V 5V power source terminal
34 poo Cf OO [swt CMOS | Head 1 switching control output
235 Head 2 switching control output
36 poz | OO [SWS Head 3 switching control output
37 pos sf O [SW4 Head 4 switching control output
38 ROT ERASE Rotation erase head control output.
ERASE ON = High ;
39 p05 | CO CTL WRITE High outputin CTL recording
40 [po6 | VRECH High output in video recording
ANZ
25 fAN4 = || | MECHAPOSI | Mechanic position detection input
z e A N S [1 KEV?) [Key input
mfans_[ 1 [Kev2 | —[ Key 2input
alan? [1 [Keys |__| Key3input
29| RESET | 1 [RESET Reset input (Low active)
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