Instruction manual

Servicing
Motherboard Replacement
7-30 Model 5030i SHARP Instruction Manual Thermo Fisher Scientific
5. Pop the digital output board off of the mounting studs and remove the
board.
6. To install the digital output board, follow the previous steps in reverse.
Use the following procedure to replace the motherboard (Figure 7–13).
Equipment Required:
Motherboard
Philips screwdriver
Nut driver, 3/16-inch
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap
must be worn while handling any internal component. ▲
1. Turn the instrument OFF, unplug the power cord, and remove the
cover.
2. Remove the I/O expansion board (optional), if used. See the “I/O
Expansion Board (Optional) Replacement” procedure in this chapter.
3. Remove the digital output board. See the “Digital Output Board
Replacement” procedure in this chapter.
4. Unplug all connectors from the motherboard. Note connector locations
to facilitate re-connection.
5. Using the nut driver, remove the six standoffs securing the board to the
rear panel (Figure 7–14).
6. Pop the motherboard off of the support bracket, and remove the
motherboard.
7. To install the motherboard, follow the previous steps in reverse.
8. Calibrate the analog voltage outputs as defined earlier in this chapter
(all ranges).
Motherboard
Replacement