Technical data

4-26
Replacing Instrument Assemblies
To Remove the A4 PC Motherboard
4 Use a T-15 TORX driver to remove all of the circuit boards from the PC slots, as shown in Figure
4-36.
NOTE The W10 ribbon cable connecting the A5 SVGA Adapter and the A6 Interface can be left
connected, and the boards pulled out together, as shown in Figure 4-37.
Figure 4-36. Removing the Circuit Boards from the Motherboard
Figure 4-37. Removing the A5 and A6 Boards
5 Use a T-10 TORX driver remove one screw that secures the speaker, as shown in Figure 4-38.
Then disconnect the speaker cable, as shown in Figure 4-39, and remove the speaker.
A15 Disk Drive
Interface
A
5 SVGA Adapter
A11 GP-IB
A6 Interface
A14 LAN