Motorola APX 5000 Service Manual page 134

Sec 1: 8-34
8.9.1.3 Assemble VOCON Board Assembly (D)
1. Inspect the Main Chassis (15) sealing surfaces to make sure there is no surface irregularities
such as scratches or indentations. Clean any debris or other foreign material.
2. Orient the Main Chassis (15) with the Frequency Knob (28) on top. Insert the
VOCON Board Assembly (14) into the chassis starting at a 45° angle and rotate the board
into place. Ensure the control top flex is located below the PCB, and is not being pinched
between the PCB and the casting. See
3. Tighten the Vocon Board screw by hand first to avoid cross threading. Then, torque the screw
with a Torx IP8 Bit and a torque Driver to 8 in-lbs.
8.9.1.4 Assemble RF Board Assembly (C)
1. Inspect the Battery Connector Seal (13) on the RF Board Assembly (C) for any damage or
debris. Replace seal if necessary.
2. Connect the small coaxial cable connector into the RF Board (9).
3. Connect the RF Board to the VOCON Board as shown in
4. Tighten the RF and VOCON Board screw (45) by hand first to avoid cross threading. Then,
torque the screw with a Torx IP8 Bit and a torque Driver to 8 in-lbs.
NOTE: Do not connect the Antenna coax at this time. Front Housing Assembly (1) must be
VOCON Board Assembly (D)
Figure 8-45. Insert VOCON Board
Always replace with new thermal pads. See
page 1:8-24.
snapped in place prior to connecting the coax.
Disassembly/Reassembly Procedures: Radio Reassembly
Main Chassis Assembly (E)
Figure 8-45.
section 8.8.5.2 on
Figure 8-46.