B
Backdating
Manual backdating describes changes that must be made to this manual for power supplies whose serial numbers are lower than those listed in the title page to this manual.
Look in the following table and located your Agilent Model. Then look at each serial number listed for this group. If the serial number of your power supply is prior to any of the serial number(s) listed, perform the change indicated in the Change column. Note that several changes can apply to your supply. You may also be instructed to update your power supply if certain components are being replaced during repair.
Model 6023A | Change | |
Serial Numbers |
| |
PREFIX | NUMBER |
|
3332A | 1 | |
3302A | 1,2 | |
3215A | ||
3047A | ||
2845A | ||
2704A | ||
2541A | ||
2508A | ||
2428A | ||
2420A | ||
2407A |
Model 6028A | Change | |
Serial Numbers |
| |
PREFIX | NUMBER |
|
3544A | 1 | |
|
|
|
CHANGE 1
All | In the parts list for the A4 Power Mesh Board change Q3, Q4 to PFET p/n | |
| Power Mesh Board Mechanical change heatsink (Q3, Q4) to p/n | |
| standoff (Q3, Q4) p/n | |
CHANGE 2 |
|
|
6023A | In the parts list for the A1 | Main Board Assembly change CR1, 3 to p/n |
| CR2, CR4 to p/n | |
CHANGE 3 |
|
|
6023A | In the parts list for the A1 | Main Board Assembly change C13, C14 to 0.022∝F 10% 1500V p/n |
|
| |
CHANGE 4 |
|
|
6023A | In the parts list for the A1 | Main Board Assembly change T3 bias transformer to p/n |
| Delete screw p/n |
CHANGE 5