Printed circuit boards and sensors
GS Series 630-635 Service Manual
77
020-001224-02 Rev. 1 (08-2018)
10. On the laser driver board,
disconnected the four harnesses.
11. Replace the laser
driver board.
12. To re-install, follow these steps in reverse order.
Removing the keypad board
To remove the keypad board, complete the following steps.
1. Remove the top cover.
2. Remove the rear cover.
3. Remove the right-side cover.
4. Unplug the two cables.
5. Remove the six M3 screws with a Phillips #1 screwdriver securing the keypad board.
laser driver to MB
To MDP board
To MDP board
To power supply
To LED board
To main board
