Instruction manual

Servicing
Digital Output Board Replacement
Thermo Fisher Scientific Model 5030i SHARP Instruction Manual 7-29
Figure 7–14. Rear Panel Board Connectors
Use the following procedure to replace the digital output board (Figure 7–
13).
Equipment Required:
Digital output board
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. Disconnect the digital output board ribbon cable from the
motherboard.
4. Using the nut driver, remove the two standoffs securing the board to
the rear panel (Figure 7–14).
Digital Output Board
Replacement
Motherboard
I/O Expansion Board
Digital Output Board