3-10 Maintenance

3.7 Detailed Radio Reassembly

3.7.1 Control Top Reassembly

1. Replace transmit light pipe and control top seal.
2. Peel off the lin ers from a new control top escutcheon and place it in the recess in the front cover.
Press the control top escutcheon firmly against the adhesive.

3.7.2 PTT Reassembly

1. Put the PTT seal in the PTT bezel.
2. Place the bezel top tab in the top slot inside the front cover PTT opening. Slightly bow the bezel
so that the bottom tab can fall inside the bottom slot.
3. Press the PTT assembly against the front cover opening.

3.7.3 Speaker, Microphone, and Universal Connector Flex Reassembly

1. Feed the universal conn ector tail of the speaker- microphone flex assembly through the openin g in
the side wall of the front cover.
2. Peel-off the adh esive liner on the back of the unive rsal connecto r t ail of the flex circuit. Att ach the
flex tail to the front cover using the guide pins for correct alignment.
3. Replace the universal connector escutcheon. Make sure that all the connector openings align
with the gold pads on the flex cir cuit .
4. Align the notch in the speaker at the twelve o’clock position with the tab on the front cover as
shown in Figure 3-8.
5. Place the speaker retainer bracket into the hole on the top of the front cover, and bend the
retainer down to fit underneath the boss below the speaker.
6. If display, keyp ad, or keyp ad option bo ard are not involved, re insert the mi crophon e and boo t into
the pocket in the front cover

3.7.4 Keypad, Display, and Keypad/PassPort/Option Board Reassembly

1. If you are replacing the display, use a new double- sided adhesive display p ad (item number 17 on
the exploded view diagram in paragraph 3- 8).
2. Replace the keypad, and the keypad/option board. Make sure the display module flex tail is
connected to the connector on the keypad/option board.
3. Insert the “top hooks” of the keypad retainer into the slots below the speaker (above the display)
in the front cover. Snap all four of the retainer arm tabs in place in the front co ver.
4. Reinsert the microphon e and boot into the pocket in the front cover.
5. Lay the speaker-microphone flex on top of keypad/PassPort/option board retainer.
NOTE: Look inside the front cover to make sure the T-tab is fully engag ed with the front
cover. If necessary, press the T-tab toward the top of the radio until it becomes fully
engaged.
NOTE: Pull the speaker-microphone flex circuit out of the way during reassembly.