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Installation Procedures
1. Assemble the new CRT into it shields. Slide the new CRT into the instrument through the
front frame.
2. Replace the front panel. Refer to the Front Panel Removal and Repair procedure in the
3. The CRT must be aligned with the display area of the front panel. The CRT should fit
snug against the glass shield of the front panel. Removing the two front panel knobs, dress
panel, and the keyboard from the front of the front panel allows the CRT to be aligned
more easily.
4. When the CRT is aligned with the front panel glass shield, secure the two rear CRT
brackets a(7J to the instrument with two screws (iJ@. The brackets have double-sided tape
to keep the CRT from sliding in the instrument. Replace the tape if necessary. Refer to
Figure 6.
5. Snap the Post Accelerator Cable from the AlA High Voltage Regulator into the receptacle
in the lower left side of the CRT.
6. Connect the 4-wire, twin-lead output cable connector @@ to the AlA XYZ Driver
Amplifier board assembly. Connect the 3-wire cable connector (iJ(iJ to the AlA board
assembly. Connect the two 904 (white/black/orange) wires a@) to the AlA board
assembly. Connect the two 905 (white/black/green) wires @@ to the AlA board
assembly.
7. Place the cable clamp Q)@ on the 5-wire cable from the rear of the CRT. Screw the cable
clamp into place. Connect the 5-wire cable connector (iJ@ to the AlA High Voltage
Regulator jack.
8. Replace the cover @ over the AlA High Voltage Regulator. Secure in place with 4 screws
9. Replace the top and bottom covers of the instrument. Reinstall feet 0, @ on the
instrument. Reattach the IF-Display Section to the RF Section. Tighten the thumbscrews
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