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Chapter 6
Replacement Procedure
PCA DC Bias Board (Opt.xx5) Replacement
PCA DC Bias Board (Opt.xx5) Replacement
Tools Required
•
TORX screwdriver, T10, T15, and T20
•
Open-end torque wrench, 9/16 inch (set to 3.46 N-m / 30.5 lb-in)
Removal Procedure
Refer to Figure 6-24 for this procedure.
Step 1.
Remove the outer cover as described in “Outer Cover Removal” on page 266.
Step 2.
Remove the 9/16 inch nut (item 2) fastening the rear cover.
Step 3.
Remove the six TORX T10 screws (item 1) fastening the rear cover.
Step 4.
Disconnect the cable (item 3) from the analog motherboard.
Step 5.
Remove the three TORX T10 screw (item 4) fastening the DC Bias board.
Figure 6-25
PCA DC Bias Board Removal
e5071cse1108
1
2
1
4
3
Replacement Procedure
Step 1.
Replace the PCA DC bias board by inverse procedure of removal.
NOTE
Fasten the 9/16 inch nuts (item 2) using a open-end torque wrench.
Summary of Contents for E5071C
Page 14: ...14 Contents ...
Page 168: ...168 Chapter2 Performance Test E5071C Performance Test Record ...
Page 212: ...212 Chapter4 Troubleshooting To configure the CPU Mother Board Assembly and BIOS ...
Page 262: ...262 Chapter5 Replaceable Parts Power Cables and Plug Configurations ...
Page 326: ...326 Chapter6 Replacement Procedure Probe Power and Power Switch Board Replacement ...
Page 332: ...332 Chapter7 Post Repair Procedures Post Repair Procedures ...
Page 360: ...360 AppendixB System Recovery Calibration of the Touch Screen ...
Page 364: ...364 AppendixC Firmware Update Firmware Update ...
Page 365: ...365 D Power Requirement D Power Requirement ...