4. VK-713 Control Panel Board
4.1
Description
The VK-713 is designed to offer a user interfaced control panel which passes and receives
signals to and from VK-713 display control board.
4.2
Connector and Switch Locations
4.3
Connector type
Location
Type
Maker
Number of pins
J4 4301-08 E&T
8
J2 4301-11 E&T
11
J1 87502-0200
ACER 2
J3 87502-0200
ACER 2
JP1 SCJ-0348-C
SC
9
4.4
Connector pin Assignment
4.4.1
4.4.2
J4
Pin NO.
Signal
Comment
1
KEY-LEFT
Function select counter-clockwise key
2
KEY-RIGHT
Function select counter-clockwise key
3
KEY-DOWN
Adjust down key
4
KEY-UP
Adjust up key
5
KEY-POWER
Power ON/OFF key
6 GND
GND
7
LED-G
Power is ON
8
LED-Y
Power is OFF
J2
Pin NO.
Signal
Comment
1
+5 VDD
Volume Control
2 Volume Volume
Control
3
L OUT+
Audio Output L+
4
L OUT-
Audio Output L-
5 AGND
Audio
GND
6
HP-S
Audio Earphone sensor
7
HP-L
Audio Earphone Output L
8
HP-R
Audio Earphone Output R
26
Summary of Contents for AL716
Page 22: ...3 3 BLOCK DIAGRAM System Block Diagram 3 4 Connector Locations 22 ...
Page 34: ...6 TROUBLESHOOTING 6 1 Main Procedure 34 ...
Page 35: ...6 1 1 Power Circuit and Backlights Troubleshooting 35 ...
Page 36: ...6 1 2 Performance Troubleshooting 36 ...
Page 37: ...6 1 3 Function Troubleshooting 37 ...
Page 39: ...WAVESHAPE 39 ...
