7-18
Disassembly/Reassembly Procedures
: Serviceable Components of the Main Sub-Assemblies
7.5.2.6 Servicing Microphone Membrane:
1. Carefully remove the Microphone Membrane from the chassis opening using the Black Stick.
2. Use the pointed tip of the Black Stick to scrap off pieces of adhesives after removing the
membrane.
3. Use a cotton bud dipped in IPA Cleaning Solvent to clean the area to remove remaining
adhesive and debris.
4. Ensure the Microphone is seated properly within the Microphone Boot opening.
5. Remove the new Microphone Membrane from its backer.
6. Ensure that the area is dry (solvent fully evaporated) before carefully placing the new
Microphone Membrane. The membrane needs to be centered on the surface of the
microphone boss area on the Chassis. Ensure that the membrane is flat with no ripples or
folds. Press down firmly, applying slight pressure to activate the adhesive using the Round
Stick.
7. Ensure that the Microphone Boot is seated correctly within the chassis opening.
8. With the Microphone Boot seated in the chassis, carefully place the Back Microphone Backer
(24) to cover the microphone opening.
7.5.3
Servicing Main Housing
Figure 7-23. Serviceable Components – Main Housing
7.5.3.1 Servicing Front_Product Label
NOTE:
There is no need to remove any component in order to service the Front_Product Label.
1. Scrap off the Front_Product Label with the Black Stick.
2. Clean the area once the Front_Product Label is completely removed to ensure it is free of
adhesive and debris.
3. Remove the label off its backer and place it in the recess.
4. Press the label.
Back Label
Front_Product
Label
Summary of Contents for APX 4000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li BASIC SERVICE MANUAL ...
Page 6: ...Notes iv Commercial Warranty ...
Page 8: ...ii Notes ...
Page 16: ...x Portable Radio Model Numbering System Notes ...
Page 46: ...3 12 Basic Theory of Operation Controller Section Notes ...
Page 60: ...5 12 Performance Checks Transmitter Performance Checks Notes ...
Page 128: ...8 34 Disassembly Reassembly Procedures Ensuring Radio Submergibility Notes ...
Page 142: ...Index 4 Index Notes ...
Page 144: ...ii Notes ...
Page 150: ...viii List of Figures Notes ...
Page 152: ...x Portable Radio Model Numbering System Notes ...
Page 240: ...7 32 Disassembly Reassembly Procedures Ensuring Reliable Splash Protection Notes ...
Page 250: ...9 6 Exploded Views and Parts Lists APX 1000 Back Kit Exploded View Parts List Notes ...
Page 254: ...Index 4 Index Notes ...
Page 255: ...Title Page ASTRO APX 1000 Digital Portable Radios Section 3 900 MHz APX 1000 ...
Page 256: ......
Page 262: ...viii List of Figures Notes ...
Page 264: ...x Portable Radio Model Numbering System Notes ...
Page 278: ...3 8 Basic Theory of Operation Controller Section Notes ...
Page 336: ...7 32 Disassembly Reassembly Procedures Ensuring Reliable Splash Protection Notes ...
Page 346: ...9 6 Exploded Views and Parts Lists APX 1000 Back Kit Exploded View Parts List Notes ...
Page 350: ...Index 4 Index Notes ...
Page 352: ...ii Notes ...
Page 360: ...x Portable Radio Model Numbering System Notes ...
Page 400: ...5 12 Performance Checks Transmitter Performance Checks Notes ...
Page 428: ...6 28 Radio Alignment Procedures Performance Testing Notes ...
Page 434: ...7 6 Encryption Erase an Encryption Key Notes ...
Page 478: ...8 44 Disassembly Reassembly Procedures Ensuring Radio Submergibility Notes ...
Page 490: ...ii Notes ...
Page 492: ...A 2 Accessories Notes ...
Page 496: ...Notes B 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 520: ...Glossary 12 Glossary Notes ...
Page 524: ...Index 4 Index Notes ...
Page 525: ......