Minelab F1A4 Manuel de service

F1A4 Metal Mine Detector NSN 6665-66-142-9741 LEVEL 1 MAINTENANCE LEVEL 2 MAINTENANCE Date: 1st June, 2005 FIELD SERV

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 10 2.2.4 Coil Connector Test Loop the coil cable and hold against side of the cont

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 11 3. MAINTENANCE PROCEDURES This section details mechanical maintenance procedu

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 12 3.1.1 Servicing the Upper and Lower Camlocks 5. Assembly is the reverse

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 13 3.1.2 Servicing the Handle Camlock 3. Assembly is the reverse of the dis

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 14 3.2 REPLACING THE HANDLE ASSEMBLY 1. Remove the Control Box, Lower Shaft and

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 15 3.3 REPLACING THE HANDGRIP 1. Remove the hand strap from the handle (refer to

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 16 LEVEL 2 MAINTENANCE

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 17 4. TESTING THE F1A4 CONTROL BOX This procedure details testing of the F1A4 Cont

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 18 4.3 GROUND BALANCE TEST Note: The F1A4 Control Box will memorise its last Grou

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 19 4.5 NOISE CANCEL TEST Momentarily press the NOISE CANCEL button. The F1A4 shoul

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 2

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 20 5. TROUBLESHOOTING AND REPAIR OF THE F1A4 CONTROL BOX This section covers troub

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 21 5.1.2 Sensitivity Troubleshooting 5.1.2.1 Sensitivity Test Procedure Hold

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 22 Release the switch so that it returns to the SEARCH position. Continue to mo

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 23 5.1.5 Audio Reset Troubleshooting 5.1.5.1 Audio Reset Test Momentarily press t

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 24 5.2 F1A4 CONTROL BOX REPAIR PROCEDURES This section covers individual F1A4 Cont

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 25 4. Remove the Ground Lead retaining screw (if fitted). 5. Rotate the Rear

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 26 7. Unplug the blue ribbon connector from the Front Panel. 8. Desolder all t

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 27 factory repair facility. 12. Assembly is the reverse of the dismantling process,

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 28 5.2.5 Front Panel Replacement 1. Place F1A4 Control Box on an Anti-static mat,

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 29 5.2.6 Earset Repair Procedures 5.2.6.1 Four Pin plug repair Refer to the illus

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance WARNING THIS DOCUMENT CONTAINS MINELAB ELECTRONICS LIMITED RIGHTS TECHNICA

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 30 water, contact cleaner or other water based lubricant, ensuring that no moisture

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 31

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 32 5.3 Battery Carrier Repair Procedures Repairs to the Battery Carrier are limited

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 33 6. RETERMINATING THE COIL CONNECTOR The F1A4 has specialised cables that requir

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 34 7. F1A4 CONTROL BOX INTERNAL CONNECTION DETAILS 7.1 PCB TO FRONT PANEL CONNECT

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 35 7.3 PLUG/SOCKET COMPONENT WIRING - ILLUSTRATION

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 36 7.4 PCB WIRING - ILLUSTRATION Earset plug, Loudspeaker, Ribbon Cable and Switch

CONTENTS SECTION PAGE 1. Introduction ...

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 5 1. INTRODUCTION This manual is intended to instruct service technicians in functi

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 6 LEVEL 1 MAINTENANCE

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 7 2. MECHANICAL AND FUNCTIONAL TESTING OF THE F1A4 This section details mechanica

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 8 2.2 FUNCTIONAL TESTING This section details functional testing of the F1A4. It

F1A4 Field Service Manual – Level 1 and Level 2 Maintenance Page 9 2.2.3 Ground Balance Testing Note: The F1A4 Control Box will memorise its last