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Chapter 6 175
Replacement Procedure
A25 Handler I/O Board Replacement
6. Replacement Procedure
A25 Handler I/O Board Replacement
Tools Required
• TORX screwdriver, T10, T15, and T20
Removal Procedure
Refer to Figure 6-7 for this procedure.
Step 1. Remove the outer cover as described in “Outer Cover Removal” on page 166.
Step 2. Disconnect the flat cable (item 1) from the A25 handler I/O board.
Step 3. Remove the two TORX T10 screws (item 2) fastening the A25 handler I/O board.
Step 4. Slide the A25 handler I/O board.
Replacement Procedure
Step 1. Reverse the order of the removal procedure.
Figure 6-7 A25 Handler I/O Board Removal
- Service Guide 1
- Manual Printing History 2
- Safety Summary 3
- Safety Symbol 4
- Certification 5
- Documentation Warranty 5
- Exclusive Remedies 5
- Assistance 5
- Typeface Conventions 6
- Contents 10
- 1 General Information 13
- Precautions 14
- Organization of Service Guide 15
- Required Equipment 18
- Power Meter Accuracy Test 20
- 2 Performance Tests 25
- Introduction 26
- OK button (2 in Figure 2-2) 27
- Misc Setup 28
- GPIB Setup 28
- GPIB0 hpib7 (1 in 28
- OK button (3 in Figure 2-3) 29
- Running the Performance Tests 30
- Individual Test Description 33
- 4. Trace Noise Test 34
- 6. Dynamic Accuracy Test 35
- Frequency Accuracy Test 37
- Trace Noise Test 40
- Crosstalk Test 42
- System Dynamic Range Test 42
- Dynamic Accuracy Test 43
- 3 Adjustment 81
- Safety Considerations 82
- Warm-up for Adjustment 82
- Writing ID 83
- Synthesizer Gain Adjustment 84
- Local Output Power Adjustment 84
- Receiver IF Range Adjustment 85
- 4 Troubleshooting 87
- Primary Trouble Isolation 90
- Chapter 4 91 91
- No Display troubleshooting 92
- Power On Self Test 100
- PLL unlock 100
- Table 4-2 Required equipment 101
- Program Overall 102
- Chapter 4 105 105
- Troubleshooting 105
- 4. Troubleshooting 105
- To Check the Device Driver 107
- To Check the Front Panel 109
- To Check the LCD 110
- To Check the Mouse 111
- To Check the FDD 111
- To Check the Video output 112
- To Check the LAN 112
- To Check the GPIB 116
- Chapter 4 119 119
- Configure the Motherboard 120
- 5 Replaceable Parts 127
- Ordering Information 128
- Exchange Assemblies 128
- Replaceable Parts List 129
- Top View (Major Assemblies) 130
- Top View (Cables) 132
- Table 5-2 Top View (Cables) 133
- 134 Chapter 5 134
- Replaceable Parts 134
- E5062A : MY44102843 and above 136
- 138 Chapter 5 138
- Front View (Analog Boards) 140
- Front View (Semirigid Cables) 141
- Front Panel 142
- Table 5-8 Front Panel 143
- Rear View 144
- Cover Assembly 145
- A28 FDD Assembly 146
- A27 HDD Assembly 147
- Analog Mother Board Assembly 149
- Power Supply Assembly 150
- Chassis Assembly 151
- Front Assembly (Inverter) 153
- : MY44102843 and above 155
- MY44102842 and below 156
- Front Assembly (Cover 1) 158
- Front Assembly (Cover 2) 159
- Front Assembly (Cover 3) 160
- Label on Rear Face 161
- Other Parts 162
- 6 Replacement Procedure 163
- Replacing an Assembly 164
- Required Tools 165
- Outer Cover Removal 166
- Front Panel Removal 167
- 168 Chapter 6 168
- Replacement Procedure 168
- Tools Required 169
- Removal Procedure 169
- Removal procedure 172
- 174 Chapter 6 174
- Chapter 6 177 177
- 6. Replacement Procedure 177
- A1 Source Board Replacement 178
- Chapter 6 179 179
- A2 Receiver Board Replacement 180
- Chapter 6 181 181
- Fan Replacement 182
- 186 Chapter 6 186
- 188 Chapter 6 188
- 190 Chapter 6 190
- A51 LCD Display Replacement 191
- 192 Chapter 6 192
- Figure 6-16 A51 LCD Removal 192
- LCD Backlight Replacement 193
- 194 Chapter 6 194
- 7 Post-Repair Procedures 195
- Post-Repair Procedures 196
- 198 Chapter 7 198
- A Manual Changes 199
- Manual Changes 200
- Change 1 201
- 202 Appendix A 202
- B System Recovery 203
- System Recovery 204
- Next > button (Figure 214
- I accept this agreement 215
- Windows always 216
- Finish button to finish the 216
- Service Menu 217
- Test Menu 217
- Adjust Touch Screen 217
- 218 Appendix B 218
- CFirmware Update 219
- Firmware Update 220
- OK button 221
- D Computer Virus Check 223
- Computer Virus Check 224
- OK button (6 in 226
- OK button (3 in Figure 226
- Close button (3 in Figure 226
- Explore 227
- Properties in the File menu 227
- Sharing 227
- OK button (2 in Figure D-9) 228
- E Power Requirement 233
- Preparation for Power Supply 234
- Appendix E 235 235
- Power Requirement 235
- E. Power Requirement 235
- Turning the Power ON and OFF 236
- F Messages 237
- Error Messages 239
- Warning Message 249
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