Read Sharp DV-NC55 (serv.man11) Service Manual online
79
DV-NC55S/H
DV-NC60H
DV-NC60H
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
12-13. IC8201 IX1757GE INTERFACE MICOM.
• Terminal description
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