Motorola HT750 Service Manual - Page 29
PTT Disassembly, Control Top Disassembly - antenna connector
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Maintenance 3-9 6. After the universal connector tail of the speaker-microphone assembly is removed, the assembly can be completely removed. If it is necessary to replace the speaker or microphone, or both, do it while the flex circuit is removed from the front cover. When reassembling the microphone in its boot, make sure the microphone port faces the round hole in the bottom of the boot. Universal Connector Tail Speaker Speaker Orientation Tab (12:00 Position) Microphone Boot Microphone Speaker Microphone Flex Circuit Assembly Figure 3-6: Removal Speaker-Microphone Assembly 3.6.5 PTT Disassembly If required, the PTT bezel and the PTT seal assembly can be disassembled using a small screwdriver as follows: T-Shaped Retainer Tab Tab Tab PTT Bezel PTT Seal Figure 3-7: PTT Removal 1. Pry back the T-tab found inside the front cover (in between the four buttons on the PTT assembly). 2. Remove the PTT bezel by slightly bowing it until the top and bottom tabs are released from the slots in the front cover. 3. The PTT seal can be easily lifted from the bezel without the use of tools. 3.6.6 Control Top Disassembly 1. To remove the control top assembly, place a screwdriver next to the antenna boss, then pry it against the control top escutcheon. This lifts the control top escutcheon away from its double-sided adhesive. Grab the double-sided adhesive near the volume potentiometer, then lift it away. 2. Remove the integrated control top seal, emergency button, and transmit light pipe.
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