Motorola GP88s

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6.0 Radio Disassembly — Detailed............................................................................4-5
6.1 Front Cover from Chassis Disassembly .........................................................4-5
6.2 Chassis Assembly Disassembly .....................................................................4-7
6.3 Keypad/Option Board Disassembly ................................................................4-8
6.4 Speaker, Microphone, and Wire Disassembly................................................4-9
6.5 PTT Disassembly..........................................................................................4-10
6.6 Control Top Disassembly..............................................................................4-11
7.0 Radio Reassembly — Detailed ..........................................................................4-11
7.1 Control Top Reassembly ..............................................................................4-11
7.2 PTT Reassembly ..........................................................................................4-11
7.3 Speaker Reassembly....................................................................................4-11
7.4 Keypad Option Board, Microphone and Wire Reassembly ..........................4-12
7.5 Chassis Assembly Reassembly....................................................................4-12
7.6 Chassis and Front Cover Reassembly .........................................................4-13
8.0 Option Board Installation....................................................................................4-13
8.1 Configuring the Radio after Option Board Installation ..................................4-15
8.2 Additional Configuration required by the DTMF Option Board .....................4-16
9.0 Mechanical View and Parts List .........................................................................4-17
9.1 GP88s Exploded View and Parts List ...........................................................4-17
Section 5 Transceiver Performance Testing
1.0 Introduction ..........................................................................................................5-1
2.0 Setup....................................................................................................................5-1
3.0 Test Mode ............................................................................................................5-2
3.1 RF Test Mode .................................................................................................5-2
Section 6 Radio Tuning And Programming
1.0 Introduction ..........................................................................................................6-1
2.0 Radio Tuning Setup .............................................................................................6-2
3.0 CPS Programming Setup.....................................................................................6-3
4.0 Cloning Information ..............................................................................................6-3
Section 7 Controller Information
1.0 Overview ..............................................................................................................7-1
2.0 Radio Power Distribution......................................................................................7-1
3.0 Controller Board ...................................................................................................7-2
3.1 General ...........................................................................................................7-2
3.2 Digital Architecture..........................................................................................7-3
3.3 Controller Schematics (403-470MHz for 8480672Z01 & 136-174MHz for
8480675Z01)7-5
Complete Controller Schematic Diagram................................................................7-5