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Chapter 3 Maintenance
2 5
3.3 LCD Backlight
To replace the backlight:
1. Verify that the power source to the HMI-640S has been disconnect-
ed.
2. Open the front panel. (See Section 3.1.)
3. Remove the LCD from the steel chassis.
4. Disconnect the cables from the LCD and the LCD inverter.
5. Remove the screw that attaches the LCD backlight to the LCD
display. Pull the backlight out horizontally.
6. To insert the backlight and reassemble the unit, just reverse the
steps of the above procedure.
Warning:
The backlight is fragile. Use caution when handling
or replacing it. It is recommended that the backlight
repair or replacement should be done by qualified
service personnel only.
Summary of Contents for HMI-640S
Page 1: ...HMI 640S 486 based panel PC with 6 0 LCD flat panel display User s Manual...
Page 10: ......
Page 20: ...10 HMI 640S User s Manual...
Page 43: ...Chapter 4 CPC 2245N Main Borad 33 4 3 Board layout dimensions...
Page 66: ...56 HMI 640S User s Manual 4 12 Card installation...
Page 67: ...Chapter 4 CPC 2245N Main Borad 57 4 13 Card removal...
Page 68: ...58 HMI 640S User s Manual 4 14 FPC cable installation...
Page 72: ...62 HMI 640S User s Manual 5 3 Board layout dimensions...
Page 74: ...64 HMI 640S User s Manual 5 5 Board layout jumper connector locations...
Page 81: ...Chapter 5 CPC 2520 VGA LCD Control Board 71 5 12 FPC cable installation...
Page 82: ...72 HMI 640S User s Manual...
Page 88: ...78 HMI 640S User s Manual...
Page 92: ...82 HMI 640S User s Manual...