A3 Source Assembly - Agilent Technologies 8753ES Option 011 Service Manual

Assembly Replacement and Post-Repair Procedures

A3 Source Assembly

A3 Source Assembly
Tools Required
• T-15 TORX screwdriver
• 5/16-inch open-end torque wrench (set to 10 in-lb)
• ESD (electrostatic discharge) grounding wrist strap
Removal
1. Disconnect the power cord and remove the top cover (refer to
2. Remove the source bracket (item 1) by removing four screws. (It might be necessary to
disconnect a flexible cable from the B sampler.)
3. Disconnect the semirigid cable W1.
4. Lift the two retention clips (item 2) at the sides of the source assembly to an upright
position.
5. Move W1 to the front while lifting the source high enough to clear it. To lift the A3
source assembly, use the source bracket handle (item 3).
6. Remove the source assembly from the instrument.
Replacement
1. Check the connector pins on the motherboard before reinstallation.
2. Slide the edges of the sheet metal partition (item 4) into the guides at the front and
back of the source compartment. Press down on the module to ensure that it is well
seated in the motherboard connector.
3. Push down the retention clips. Reconnect the semirigid cable W1.
NOTE When reconnecting semirigid cables, it is recommended that the connections
be torqued to 10 in-lb.
4. Reinstall the source bracket.
5. Reconnect the flexible cable to the B sampler.
14-20
"Covers" on page 14-6).
Chapter 14