Specifications

Chapter 3 Replacing Assemblies
To Remove a 6.0 GHz or 15.0 GHz Microwave Channel Assembly
(Options 106/115)
178 Assembly-Level Service Guide
To Remove a 6.0 GHz or 15.0 GHz Microwave
Channel Assembly (Options 106/115)
1 Remove the cover and rear bezel from the counter as described
previously.
2 If installed, remove the Option 300 Internal DC Battery assembly
as described previously.
3 If installed, remove the GPIB assembly as described previously.
4 Remove the Option 106 or 115 Microwave Channel assembly as
follows:
a. Remove the two flathead screws on the left-hand aluminum
side panel that secure the aluminum bracket of the microwave
channel assembly to the side panel.
b. Using a 5/16" open-end wrench, loosen the semi-rigid coax
cable (at the assembly end of the cable) that connects the
assembly to the front or rear panel.
c. Remove the T20 TORX screw at the rear of the motherboard
that secures the channel assembly to the motherboard.
d. Lift up carefully on the microwave channel assembly and
disconnect the ribbon cable on the underside of the assembly.
e. Remove the assembly from the counter, being careful not to
damage any cables or components.
5 To replace the microwave assembly, use the following procedure.