Motorola APX 5000 Service Manual page 258

Sec 2: 8-20
8.7.8 Removal of the Knobs (G)
NOTE: Knobs should only be removed when damaged. Knob removal is not necessarily to remove
the Control Top (F). Knobs, once removed, are not reusable.
To remove the Frequency (56) and Volume Knobs (55):
1. Hold the radio firmly in one hand so that the top of the radio faces upward, and the front of the
radio faces you.
2. With a pair of pliers grasp the knob and pull it upward, until it is free from its shaft.
NOTE: The knobs is designed to be difficult to remove, however they will come off. If the metal
D-Clip stays with the knob post, remove the D-Clip prior to putting on a new knob.
8.7.9 Removal of the Control Top Assembly (F)
NOTE: Knob removal is not necessarily to remove the Control Top (F)
i. Use a Torx Plus IP8 bit to remove the two Control Top Screws (57).
ii. Unscrew the Antenna Spanner Nut (27) with the Antenna Spanner Bit and a driver.
Remove the Antenna Washer (26) below the nut as shown in
NOTE: Ensure the Control Top flex is disconnected from the VOCON Board (D) to prevent
Antenna Washer and Nut (26, 27)
iii. Gently separate the Control Top Assembly (F) from the Main Chassis Assembly (E).
NOTE: Place the Control Top Assembly (F) and the remaining Main Chassis Assembly (E)
Frequency Knob (56)
Figure 8-28. Remove Knobs
damage to the flex or connector.
Figure 8-29. Remove Control Top Assembly
on an ESD safe surface free from debris.
Disassembly/Reassembly Procedures: Radio Disassembly
Volume Knob (55)
Control Top Screws (57)
Control Top Assembly (F)
Figure 8-29.