73
DV-NC55U/C/M
Pin No. Terminal Name In/Output Operation function
1 TRAY ACK(L) Input Input terminal of [TRAY ACK] from DVD microcomputer
2 DVD LED(L) Output DVD LED control terminal
It outputs [L] and is lit during DVD output.
3 DUB LED(L) Output VTR
← DVD LED control terminal
It outputs [L] and is lit in VTR ← DVD mode.
4 STANDBY LED(L) Output Stand-by LED control terminal
It outputs [L] and is lit during stand-by.
5 TEST Input IC test terminal. Fixed to GND.
6 XIN Input Radiator connection terminal
7 VSS – Digital GND
8 XOUT Output Radiator connection terminal
9 VDD – Power AT_5V
10 R/C Input Remote control signal input
11 RESET Input Microcomputer reset signal input
12 NC – Unconnected
13 POWER KEY Input POWER key input: [L] input while key is ON.
14 OPEN/CLOSE KEY Input OPEN/CLOSE key input: [L] input while key is ON.
15 EA Input Terminal for IC only. Fixed to power supply.
16 POWER OFF Output VTR POWER OFF key control terminal
It outputs [H] when the power is OFF.
17 POWER ON Output VTR POWER ON key control terminal
It outputs [H] when the power is ON.
18 TIMER MODE Input VTR TIMER mode detection terminal
When [H] is output, the VTR power ON/OFF is not controlled.
19 POWER MODE Input VTR POWER mode detection terminal
When [TIMER MODE] = [L], DVD is turned ON when the [POWER MODE] is
activated and turned OFF when it is deactivated.
20 REC MODE Input VTR REC mode detection terminal
[VTR ← DVD] key is disabled at [H] input.
21~31 NC – No used
32 P-CON(L) Output DVD P-CON control terminal
33 SHORT DET(L) Input Short circuit detection terminal for DVD P-CON power supply
After [L] is input for 0.5 seconds, P-CON is switched to OFF.
34 NC – Unconnected
35 A_OUT_MUTE(L) Output Sound output mute control terminal for VTR/DVD common terminal
36 DVD(H) Output Output switching control terminal for VTR/DVD common terminal
37 DUB(H) Output Input switching control terminal for VTR input 1
38~40 NC – No used
41 PLAY MODE(L) Input DVD PLAY mode detection terminal
When [TIMER MODE] = [H] and [PLAY MODE] = [L], DVD is not turned OFF even
if the [POWER MODE] is deactivated.
42
STANDBY REQUEST(L)
Output Control terminal for POWER OFF request to DVD microcomputer
It keeps outputting the request until [STANDBY ACK] = [L] is input.
43 TRAY REQUEST(L) Output Control terminal for TRAY operation request to DVD microcomputer
It keeps outputting the request until [TRAY ACK] = [L] is input.
44 STANDBY ACK(L) Input Input terminal for [STANDBY ACK] from DVD microcomputer
11-13. IC8201 IX1757GE INTERFACE MICOM.
• Terminal description
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