Motorola EP350 Basic Service Manual

Table of Contents vii
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 Repair Procedures and Techniques – General ............................................................................. 7-3
7.5 Disassembling and Reassembling the Radio ................................................................................ 7-6
7.5.1 Radio Disassembly – Detailed.......................................................................................... 7-7
7.5.1.1 Front Housing From Chassis Disassembly........................................................ 7-7
7.5.1.2 Chassis Assembly Disassembly ...................................................................... 7-10
7.5.1.3 Front Circuit Board, Display Module and Keypad Disassembly ...................... 7-12
7.5.1.4 Speaker Disassembly...................................................................................... 7-13
7.5.2 Radio Reassembly – Detailed ........................................................................................ 7-13
7.5.2.1 Speaker Reassembly....................................................................................... 7-13
7.5.2.2 Front Circuit Board, Display Module and Keypad Reassembly....................... 7-14
7.5.2.3 Chassis Assembly Reassembly....................................................................... 7-15
7.5.2.4 Chassis and Front Housing Reassembly......................................................... 7-17
7.6 Torque List................................................................................................................................... 7-18
7.7 Mechanical View and Parts List................................................................................................... 7-18
7.7.1 EP350 (Limited Keypad without Channel Knob) Exploded View and Parts List............. 7-18
Chapter 8 Troubleshooting Tables ..................................................... 8-1
8.1 Error Codes ................................................................................................................................... 8-1
8.2 Troubleshooting Table for Receiver............................................................................................... 8-2
8.3 Troubleshooting Table for Transmitter........................................................................................... 8-3
Appendix A Accessories.........................................................................A-1
Appendix B Warranty, Service Support, and Replacement Parts .......B-1
B.1 Scope of Manual............................................................................................................................B-1
B.2 Warranty ........................................................................................................................................B-1
B.2.1 What This Warranty Covers And For How Long...............................................................B-1
B.2.2 General Provisions ...........................................................................................................B-1
B.2.3 How To Get Warranty Service ..........................................................................................B-2
B.2.4 What This Warranty Does Not Cover ...............................................................................B-2
B.2.5 Patent And Software Provisions .......................................................................................B-3
B.2.6 Piece Parts .......................................................................................................................B-4
B.2.6.1 Basic Ordering...................................................................................................B-4
B.2.6.2 Motorola Online .................................................................................................B-4
B.2.7 Motorola Service Centers .................................................................................................B-4
Glossary of Terms .....................................................................................G-1

Motorola EP350 Specifications

General

Channel Capacity	16 channels
IP Rating	IP54
Drop Resistance	1.2 meters
Frequency Range	VHF: 136-174 MHz, UHF: 403-470 MHz
Battery Life	Up to 11 hours
Power Supply	7.5 V (Nominal)
Waterproof	Splashproof
Dimensions	127.6 x 62 x 42 mm (with standard battery)