Chapter 5
127
Disassembly
A3 Disassembly
Removing the Power Supply Regulator Assembly
To remove the A3A1 regulator assembly, disconnect the cables and the
four torx screws shown in
Figure 5-18
.
Figure 5-18
A3A1 Regulator Assembly
Removing the Power Supply Assembly
1. Remove the regulator assembly.
2. Remove the power supply cover from the A3 assembly, see
Figure
5-19 on page 128
.
3. Disconnect cables W222, W223, and GFI-assembly cable at J7.
4. Remove the four screws securing the power supply to the rear sub
panel.
reg_rmv2.eps
Regulator Assembly
A3A1
J7
J13
J14
A3A1 Assembly
J1
J2
J7
POWER SW J3
FAN J4
to mothr bd
to pwr supply
to pwr supply
J6
J5
W222
W220
Power Switch Cable
(part of A3S1)
Fan Cable
(part of A3A1)
Battery Cable
(part of A3A4)
W221
W223
Содержание 8935 Series
Страница 34: ...34 Chapter 1 General Information Trademark Acknowledgements...
Страница 35: ...35 2 Product Information This chapter contains general information about the Test Set and how to service it...
Страница 93: ...92 Chapter 3 Troubleshooting Product Verification...
Страница 102: ...101 5 Disassembly This chapter explains how to disassemble the Test Set for major assembly replacement...
Страница 115: ...114 Chapter 5 Disassembly A2 Disassembly Figure 5 9 PC Board Assemblies...
Страница 135: ...134 Chapter 5 Disassembly Wire Cable Information...
Страница 139: ...138 Chapter 6 Replaceable Parts Parts Identification Covers and Chassis Parts Figure 6 2 External and Internal Covers...
Страница 150: ...Chapter 6 149 Replaceable Parts Parts Identification Figure 6 14 Cables Panel and Bottom Side Views...
Страница 157: ...156 Chapter 6 Replaceable Parts Parts List...
Страница 158: ...157 7 Periodic Adjustments This chapter contains the periodic adjustment procedures for the Test Set...
Страница 173: ...172 Chapter 7 Periodic Adjustments Eb No Calibration Program Description...
Страница 233: ...232 Chapter 8 Performance Tests CDMA Analyzer Modulation Accuracy Performance Test 29...
Страница 283: ...282 Chapter 9 Performance Test Records CDMA Analyzer Modulation Accuracy Performance Test 29 Record...
Страница 321: ...320 Chapter 10 Block Diagrams Instrument Control Section...
Страница 322: ...321 A Error Messages...
Страница 337: ...336 Appendix A Error Messages Non Recoverable Firmware Error...