Digi SM-300 - Circuit Board Access; Main Board Removal; Power Block Removal

SM-300 Service Manual
50
5.1.2.2 Display Board for Pole
1. Disassembly the pole display
and loosen 2 screws as shown.
2. Remove the front display
cover.
3. Loosen 4 screws, which
tighten at 4 corner of the display
4. Move the display as shown
and disconnected it.
5. To remove another display,
loosen 4 Axis, which tighten at 4
corners of the other display.
5.1.2.3 Keyboard Circuit Board
1. The display board must be
removing first then the keyboard
can be unscrewing.
2. Unscrew 6 screws, which
screw on the cover.
3. The circles show all the
screws location
4. Take out the display board
from the cover.
5. This is the front view of the
keyboard circuit board.