4. VK-723 Control Panel Board
4.1 Description
The VK-723 is designed to offer a user interfaced control panel which passes and receives
signals to and from VK-723 display control board.
4.2 Connector and Switch Locations
4.3 Connector type
Location
Type
Maker
Number of pins
J4,J1(
(VK-720)
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 5
4.4 Connector pin Assignment
4.5 Switch definition
Location Definition
S1 Power
ON/OFF
S4,S2(VK-720)
Function select by clockwise direction
S5,S3(VK-720)
Function select by counter-clockwise direction
S2,S4(VK-720)
Adjust up
S3,S5(VK-720) Adjust
down
4.6 LED definition
Location Definition
D1
Green for ON mode; Yellow for OFF mode; yellow for Power Saving
mode; Dark for DC power OFF mode.
25
Содержание CML176SXW
Страница 22: ...System Block Diagram 3 4 Connector Locations 22 ...
Страница 23: ...23 ...
Страница 30: ...6 TROUBLESHOOTING 6 1 Main Procedure EP877 878 30 ...
Страница 31: ...6 1 1 Power Circuit and Backlights Troubleshooting 31 ...
Страница 32: ...6 1 2 Performance Troubleshooting 32 ...
Страница 33: ...6 1 3 Function Troubleshooting 33 ...
Страница 37: ...7 7 GAP Spec Gap between panel with bezel is 0 mm gap 1 2 mm ES678 E01 37 ...
Страница 39: ...WAVESHAPE 39 ...
Страница 45: ...Appendix A PCBA ASSEMBLY 45 ...
Страница 46: ...46 ...
Страница 47: ...FOR HYDIS PANEL EP877 Appendix B DISPLAY UNIT ASSEMBLY ...
Страница 48: ...FOR HYDIS PANEL EP878 ...
Страница 57: ...Key Circuit Board ...
Страница 58: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...