Technical information

1.3.7 Integrated Tube Component (ITC)

CAUTION:

Refer to CRT safety notices before handling CRTs.

The following instructions cover general removal procedures for ITCs,

including those displays with ITC shields.

Note: The card tray assembly and signal cables should be removed from the

display your are servicing before you proceed with removal of the ITC.

Check the removal and replacement instructions under "Part II.

Display-Specific Service Information" for the display you are servicing

before removing the ITC.

Adjustments are required for geometry, video levels and cutoff, after

replacing any ITC. Adjustment procedures for each type of display appear

in "Part II. Display-Specific Service Information."

1. Power off the system and the display, and disconnect all cables (see

"Powering Off the System" in topic 1.1.3).

2. Remove the tilt swivel stand (see "Tilt Swivel Stand" in topic 1.3.1),

or the lift tilt swivel stand (see "Lift Tilt Swivel Stand" in

topic 1.3.2).

3. Remove the rear cover (see "Rear Cover" in topic 1.3.3).

For Displays without an ITC shield:

1. Refer to Figure 3-8.

2. Remove the Torx (**) screws 1 from each corner of the bezel.

3. Remove the ITC 2 from the bezel.

PICTURE 12

Figure 3-8. Removing the ITC

Replacement:

1. Carefully place the CRT against the locating ribs on the bottom and

left-hand side of the bezel (viewed from the rear of the display).

2. Tighten all screws firmly.

For 8513 displays, make sure the DAG contact is not obscured by the

labels.

For Displays with an ITC shield:

1. Refer to Figure 3-9.

2. Remove the four screws 1 from each corner of the front cover.

3. Remove the ITC ground lead 4 from the ITC shield.

4. Remove the ITC shield 2 .

5. Remove the ITC 3 from the front cover.

PICTURE 13

Figure 3-9. Removing the Shield and ITC

Replacement:

Ensure that the ITC is aligned correctly before tightening the securing

screws.

(**) Trademark of Textron Incorporated. For a list of

trademarks see "Notices" in topic FRONT_1.

PS/2 Displays Maintenance Manual

Integrated Tube Component (ITC)

1.3.7 - 1