Motorola ASTRO XTS 5000 Basic Service Manual page 83

Disassembly/Reassembly Procedures: Radio Disassembly
NOTE: If the radio is equipped with hardware encryption, the encryption board (45) is
9. Lift out the 26-pin compression connector (46).
10. Using needle-nosed pliers, carefully unplug the coaxial cable's connector (52) from the trans-
ceiver board's (48) surface-mount connector.
11. With the front of the radio facing upward, disengage the clip (63) that secures the upper left
portion of the RF shield (47) by inserting a thin, flat-bladed screwdriver between the clip and
the casting assembly (51) and prying the clip free. Then, release the snap on the bottom left
side and the two snaps on the right side of the RF shield. Lift the shield out, with the clip still
attached, rotating it around its top edge.
12. Remove the rubber pad (71).
13. Lift the transceiver board (48) out of the casting assembly. Inspect the casting to make sure
that the thermal pad (58) is attached to the casting. If the pad is attached to the transceiver
board, remove it from the board and discard it. Attach a new thermal pad to the casting as
shown in the exploded view.
14. Lift the B+ assembly (49) and B+ seal (50) out of the casting assembly.
8.8.3 Disassemble the Housing Assembly
To disassemble the housing assembly:
1. Referring to
remove the housing assembly (2) from the radio.
2. To begin housing disassembly, remove the speaker retainer screw (23).
3. Remove the speaker retainer (36).
4. Install the universal connector cover (5)
in place when the controls flex is removed.
!
C a u t i o n
5. Disconnect the controls flex (18) from the universal connector by disengaging the spring tab
on the backer from the catch features on the housing.
6. Disconnect the controls flex's (18) 22-pin connector from PTT area of the housing assembly
(2).
7. Referring to
Volume Knob" on page
lever (10), lightpipe (9), volume knob (6), volume insert (7), and O-ring (8).
8. Using a thin, flat-bladed screwdriver, unsnap the left snap of the controls bracket assembly
(34) first, then unsnap the right snap.
9. Remove the controls bracket assembly (34).
10. Remove the controls seal (35).
6881094C28-D
attached to the back side of the VOCON board via a 40-pin connector. When the
VOCON board is lifted out of the casting, the encryption board is removed with it.
Section "8.8.1 Separate the Casting and Housing Assemblies" on page
Removing the controls flex without installing the universal
connector cover may compromise the universal connector.
Section "8.1 XTS 5000 Exploded View (Partial)" on page 8-1
8-11, remove the frequency knob (13), frequency insert (11), secure
(see page 8-9). This will hold the universal connector
8-13
8-12,
and Section "8.7
July 16, 2004