Cpu Troubleshooting (A9) - Agilent Technologies 8753ES Option 011 Service Manual

Digital Control Troubleshooting

CPU Troubleshooting (A9)

CPU Troubleshooting (A9)
A9 CC Switch Positions
The A9 CC switch must be in the NORMAL position for these procedures. This is the
position for normal operating conditions. To move the switch to the NORMAL position, do
the following:
1. Remove the power line cord from the analyzer.
2. Set the analyzer on its side.
3. Remove the two corner bumpers from the bottom of the instrument with a T-15 TORX
screwdriver.
4. Loosen the captive screw on the bottom cover's back edge.
5. Slide the cover toward the rear of the instrument.
6. Move the switch to the NORMAL position as shown in Figure 6-2.
7. Replace the bottom cover and power cord.
Figure 6-2 Switch Positions on the A9 CPU
Chapter 6 6-5