Motorola PR860 Detailed Service Manual page 8

Table of Contents
Chapter 3 Maintenance .......................................................................3-1
3.1 Introduction ................................................................................................................... 3-1
3.2 Preventive Maintenance ............................................................................................... 3-1
3.3 Inspection...................................................................................................................... 3-1
3.3.1 Cleaning........................................................................................................... 3-1
3.4 Safe Handling of CMOS and LDMOS........................................................................... 3-2
3.5 General Repair Procedures and Techniques................................................................ 3-2
3.6 Recommended Test Tools............................................................................................ 3-4
3.7 Replacing the Circuit Board Fuse ................................................................................. 3-5
3.8 Removing and Reinstalling the Circuit Board ............................................................... 3-7
3.9 Power Up Self-Test Error Codes .................................................................................. 3-7
3.10 UHF Troubleshooting Charts ........................................................................................ 3-9
3.11 VHF Troubleshooting Charts ...................................................................................... 3-15
3.12 Low Band Troubleshooting Charts.............................................................................. 3-21
Chapter 4 Schematic Diagrams, Overlays, and Parts Lists.............4-1
4.1 Introduction ................................................................................................................... 4-1
4.1.1 Notes For All Schematics and Circuit Boards .................................................. 4-1
4.2 Flex Layout ................................................................................................................... 4-2
4.2.1 Universal Flex Connector ................................................................................ 4-2
4.2.2 Universal Connector Flex Schematic............................................................... 4-3
4.2.3 Universal Flex Connector Parts List................................................................. 4-3
4.3 Controller Section (403-470 MHz: 8486458Z03, 8415234H09, 450-512 MHz:
8486686Z02 & 450-527 MHz: 8415235H07) ............................................................... 4-5
4.4 Controller Section (136-174 MHz for 8486473Z04 & 8415112H01) .......................... 4-11
4.5 UHF Band 1 Section ................................................................................................... 4-20
4.6 UHF Band 1: Circuit Board/Schematic Diagrams and Parts List (PCB 8415234H09) 4-32
4.7 UHF Band 2 Section ................................................................................................... 4-46
4.8 UHF Band 2 Circuit Board/Schematic Diagrams and Parts List (8415235H07) ......... 4-58
4.9 VHF Band Section ...................................................................................................... 4-73
4.10 VHF Circuit Board/Schematic Diagrams and Parts List (PCB 8415112H01) ............. 4-84
4.11 Low Band Section ....................................................................................................... 4-97
Appendix A Replacement Parts Ordering............................................ A-1
A.1 Basic Ordering Information ...........................................................................................A-1
A.2 Transceiver Board and VOCON Board Ordering Information.......................................A-1
A.3 Motorola Online.............................................................................................................A-1
A.4 Mail Orders ...................................................................................................................A-1
A.5 Telephone Orders .........................................................................................................A-2
A.6 Fax Orders ....................................................................................................................A-2
A.7 Parts Identification ........................................................................................................A-2
A.8 Product Customer Service ............................................................................................A-2
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