Motorola PR400 Basic Service Manual page 7

Table of Contents
Chapter 7 Limited Keypad Model Disassembly and
Re-assembly ........................................................................ 7-1
7.1 Introduction .................................................................................................................................... 7-1
7.2 Preventive Maintenance ................................................................................................................ 7-1
7.2.1 Inspection ......................................................................................................................... 7-1
7.2.2 Cleaning Procedures ........................................................................................................ 7-1
7.3 Safe Handling of CMOS and LDMOS Devices.............................................................................. 7-2
7.4 Disassembling and Re-assembling the Radio - General............................................................. 7-3
7.4.1 Radio Disassembly - Detailed ........................................................................................ 7-3
7.4.1.1
7.4.1.2
7.4.1.3
7.4.1.4
7.4.1.5
7.4.2 Chassis Disassembly........................................................................................................ 7-8
7.4.3 Radio Re-assembly - Detailed .......................................................................................... 7-9
7.4.3.1
7.4.3.2
7.4.3.3
7.4.3.4
7.4.3.5
7.4.3.6
7.4.3.7
7.5 Mechanical View and Parts List................................................................................................... 7-16
7.5.1 PR400 Limited-Keypad Exploded View and Parts List ................................................... 7-16
Chapter 8 Non-Keypad Model Disassembly and
Re-assembly ........................................................................ 8-1
8.1 Introduction .................................................................................................................................... 8-1
8.2 Preventive Maintenance ................................................................................................................ 8-1
8.2.1 Inspection ......................................................................................................................... 8-1
8.2.2 Cleaning Procedures ........................................................................................................ 8-1
8.3 Safe Handling of CMOS and LDMOS Devices.............................................................................. 8-2
8.4 Disassembling and Re-assembling the Radio - General............................................................. 8-3
8.4.1 Radio Disassembly - Detailed ........................................................................................ 8-3
8.4.1.1
8.4.1.2
8.4.1.3
8.4.1.4
8.4.2 Chassis Disassembly........................................................................................................ 8-7
8.4.3 Radio Re-assembly - Detailed .......................................................................................... 8-8
8.4.3.1
8.4.3.2
8.4.3.3
8.4.3.4
8.4.3.5
8.5 Mechanical View and Parts List................................................................................................... 8-13
8.5.1 PR400 Non-Keypad Exploded View and Parts List ........................................................ 8-13
6881096C24-A
Front Cover from Chassis Disassembly ............................................................ 7-3
Dust Cover Disassembly ................................................................................... 7-6
Speaker and Microphone Disassembly ............................................................. 7-6
Keyboard Removal ............................................................................................ 7-7
PTT Disassembly............................................................................................... 7-8
Dust Cover Re-assembly................................................................................... 7-9
Microphone and Speaker Re-assembly............................................................. 7-9
Keypad and LCD/Keyboard Re-assembly ....................................................... 7-11
Keyboard Retainer Re-assembly..................................................................... 7-12
Chassis Assembly/Re-assembly ..................................................................... 7-12
Chassis and Front Cover Re-assembly ........................................................... 7-13
PTT Re-assembly ............................................................................................ 7-15
Front Cover From Chassis Disassembly ........................................................... 8-3
Dust Cover Disassembly ................................................................................... 8-5
Speaker and Microphone Disassembly ............................................................. 8-6
PTT Disassembly............................................................................................... 8-6
Dust Cover Re-assembly................................................................................... 8-8
Microphone and Speaker Re-assembly............................................................. 8-8
Chassis Assembly/Re-assembly ....................................................................... 8-9
Chassis and Front Cover Re-assembly ........................................................... 8-10
PTT Re-assembly ............................................................................................ 8-11
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July, 2004