Table Of Contents - Minelab F1A4 Service Manual

SECTION
1. Introduction ...................................................................................................................5
1.1 Levels of Maintenance ............................................................................................5
1.2 How to use this Manual ...........................................................................................5
Level 1 Maintenance ..............................................................................................................6
2. Mechanical and Functional Testing of the F1A4 ................................................................7
2.1 Mechanical Testing .................................................................................................7
2.2 Functional Testing...................................................................................................8
3. Maintenance Procedures .................................................................................................11
3.1 Camlock Repair Procedures .................................................................................11
3.2 Replacing the Handle Assembly............................................................................14
3.3 Replacing the Handgrip.........................................................................................15
3.4 Replacing the Coil .................................................................................................15
Level 2 Maintenance ............................................................................................................16
4. Testing the F1A4 Control Box..........................................................................................17
4.1 Initial Power On Test .............................................................................................17
4.2 Sensitivity Test ......................................................................................................17
4.3 Ground Balance Test ............................................................................................18
4.4 Coil Connector Test ..............................................................................................18
4.5 Noise Cancel test ..................................................................................................19
4.6 Audio Reset Test...................................................................................................19
4.7 Earset Test............................................................................................................19
5. Troubleshooting and Repair of the F1A4 Control Box ......................................................20
5.1 Troubleshooting the F1A4 Control Box..................................................................20
5.2 F1A4 Control Box and Earset Repair Procedures .................................................24
6. Reterminating the Coil Connector ....................................................................................33
7. F1A4 Control Box Internal Connection Details .................................................................34
7.1 PCB to Front Panel Connections - List .................................................................34
7.2 PCB to Rear Panel Connections - List..................................................................34
7.3 Plug/Socket/Component wiring - Illustration .........................................................35
7.4 PCB wiring - Illustration ........................................................................................36
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