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7-4 CPU ASSEMBLY The CPU assembly is the topmost assembly in the cabinet and is secured
by four screws through the rear panel. The front panel must be removed
to allow access to the CPU assembly.
Tools Required: Phillips screwdriver
Procedure: Follow the instructions that are packaged with the replacement CPU.
7-12 MS462XX MM
CPU ASSEMBLY REMOVAL AND REPLACEMENT
Figure 7-8. CPU Assembly Mounting Screws
CPU ASSEMBLY MOUNTING SCREWS (4)
- MAINTENANCE MANUAL 3
- WARRANTY 4
- LIMITATION OF WARRANTY 4
- TRADEMARK ACKNOWLEDGMENTS 4
- Safety Symbols 7
- For Safety 8
- Table of Contents, Narrative 9
- Table of Contents 11
- Table of Contents (Continued) 12
- Chapter 1 17
- General Information 17
- 1-2 MS462XX MM 18
- 1-6 IDENTIFICATION 20
- 1-8 SPARE PARTS 21
- 1-6 MS462XX MM 22
- 1-9 ASSEMBLY 23
- 1-10 PREVENTIVE 23
- 1-11 RECOMMENDED 23
- 1-8 MS462XX MM 24
- MS462XX MM 1-9 25
- 1-10 MS462XX MM 26
- 1-13 COMPONENT 27
- 1-12 MS462XX MM 28
- 1-14 SERVICE 29
- Chapter 2 31
- Theory of Operation 31
- 7 dBm Max., 1 dBm Min 34
- MS462XX MM 2-5 35
- 2-6 MS462XX MM 36
- MS462XX MM 2-7 37
- 2-8 MS462XX MM 38
- MS462XX MM 2-9 39
- 2-10 MS462XX MM 40
- MS462XX MM 2-11 41
- 2-12 MS462XX MM 42
- MS462XX MM 2-13 43
- 2-14 MS462XX MM 44
- 2-5 FRONT END RF 45
- 2-16 MS462XX MM 46
- MS462XX MM 2-17 47
- 2-18 MS462XX MM 48
- MS462XX MM 2-19 49
- 2-20 MS462XX MM 50
- MS462XX MM 2-21 51
- 2-22 MS462XX MM 52
- MS462XX MM 2-23 53
- 2-24 MS462XX MM 54
- 2-7 CENTRAL 55
- 2-8 RECEIVER 55
- 2-26 MS462XX MM 56
- MS462XX MM 2-27 57
- 2-28 MS462XX MM 58
- MS462XX MM 2-29 59
- 2-30 MS462XX MM 60
- MS462XX MM 2-31 61
- 2-32 MS462XX MM 62
- MS462XX MM 2-33 63
- Figure 2-9 64
- Figure 2-10 65
- Figure 2-11 66
- MS462XX MM 2-37 67
- Figure 2-13 68
- Figure 2-14 69
- Figure 2-15 70
- MS462XX MM 2-41 71
- 2-42 MS462XX MM 72
- Figure 2-18 73
- Figure 2-19 74
- MS462XX MM 2-45 75
- Figure 2-21 76
- MS462XX MM 2-47/2-48 77
- Chapter 3 79
- Operational Performance 79
- 3-4 MS462XX MM 82
- 3-3 VERIFYING 83
- 3-6 MS462XX MM 84
- 3-4 NON-RATIO 85
- 3-8 MS462XX MM 86
- MS462XX MM 3-9 87
- 3-5 SYSTEM DYNAMIC 88
- MS462XX MM 3-11 89
- 3-12 MS462XX MM 90
- MS462XX MM 3-13 91
- 3-6 SYSTEM DYNAMIC 92
- MS462XX MM 3-15 93
- 3-7 COMPRESSION 94
- MS462XX MM 3-17 95
- 3-18 MS462XX MM 96
- 3-8 RECEIVER 97
- 3-20 MS462XX MM 98
- 3-22 MS462XX MM 100
- (MS462XC) 101
- 3-24 MS462XX MM 102
- 3-9 NOISE FIGURE 104
- MS462XX MM 3-27 105
- 3-28 MS462XX MM 106
- MS462XX MM 3-29 107
- 3-10 NOISE FIGURE 108
- MS462XX MM 3-31 109
- 3-32 MS462XX MM 110
- MS462XX MM 3-33 111
- 3-34 MS462XX MM 112
- 3-11 FREQUENCY 113
- 3-12 37SF50 PHASE 114
- MS462XX MM 3-37 115
- 3-38 MS462XX MM 116
- 3-13 HARMONIC 117
- Chapter 4 119
- System Performance 119
- Verification 119
- 4-2 CALIBRATION AND 122
- 4-3 PERFORMANCE 123
- 4-6 MS462XX MM 124
- 4-4 VNMS 125
- 4-8 MS462XX MM 126
- Chapter 5 127
- Adjustments 127
- 5-2 RECOMMENDED 130
- 5-5 10 MHz 130
- Dedicated 131
- Anritsu MF241XB 132
- Frequency Counter 132
- MS462XX MM 5-7 133
- 5-6 ALC ADJUSTMENT 134
- MS462XX MM 5-9 135
- 5-7 BACK-END 136
- 5-8 NOISE SOURCE 137
- NOISE SOURCE ADJUSTMENTS 138
- ADJUSTMENTS NOISE SOURCE 139
- Chapter 6 141
- Troubleshooting 141
- 6-3 TROUBLESHOOTING 144
- TROUBLESHOOTING CPU MODULE 145
- CPU MODULE TROUBLESHOOTING 146
- 6-4 HARDWARE 148
- MS462XX MM 6-9 149
- D Source 1 Offset Lock Fail 150
- L Source 2 Main Lock Fail 150
- MS462XX MM 6-11 151
- 6-12 MS462XX MM 152
- MS462XX MM 6-13 153
- 6-14 MS462XX MM 154
- MS462XX MM 6-15 155
- 6-16 MS462XX MM 156
- MS462XX MM 6-17 157
- Receiver Module 157
- Flexible Cable 157
- 6-18 MS462XX MM 158
- MS462XX MM 6-19 159
- Common Offset 160
- MS462XX MM 6-21 161
- 6-22 MS462XX MM 162
- 6-5 SOFTWARE 163
- 6-6 MEASUREMENT 163
- 6-7 NOISE FIGURE 164
- MS462XX MM 6-25 165
- 6-26 MS462XX MM 166
- 6-8 FREQUENCY 167
- Chapter 7 169
- Removal and Replacement 169
- Procedures 169
- 7-4 MS462XX MM 172
- MS462XX MM 7-5 173
- 7-6 MS462XX MM 174
- MS462XX MM 7-7 175
- TABS (5) 176
- 7-3 POWER 177
- , remove the four 178
- MS462XX MM 7-11 179
- 7-12 MS462XX MM 180
- MS462XX MM 7-13 181
- 7-14 MS462XX MM 182
- MS462XX MM 7-15 183
- 7-16 MS462XX MM 184
- MS462XX MM 7-17 185
- 7-5 RECEIVER MODULE 186
- MS462XX MM 7-19 187
- 7-6 TEST PORT 188
- 7-7 OPTION AND 189
- 7-22 MS462XX MM 190
- 7-8 BACKPLANE PCB 191
- 7-24 MS462XX MM 192
- Appendix A 193
- Connector Care and Handling 193
- CONNECTOR CARE AND HANDLING 196
- Appendix B 199
- Performance Specifications 199
- Subject Index 201
- ..............2-8 202
- ..............2-5 202
- D TO G SUBJECT INDEX 202
- ................2-5 203
- SUBJECT INDEX H TO P 203
- R TO T SUBJECT INDEX 204
- SUBJECT INDEX V TO W 205
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