Relay Lens - Hughes JVC Model 200 Service Manual

Figure 4-12. ILA

4.16 Relay Lens

Model 200 Service Manual
Chapter 4---Maintenance (Removal/Replacement)
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Assembly top view. The overlap screws shown are
visible after the ILA
4. Loosen the two wingnuts at the top of the appropriate
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ILA assembly (Figure 4-12).
5. Slide the spring clip at the top of the ILA
backward (Figure 4-12). This will free the ILA
6. Grasp the ILA
7. Replace the ILA
8. Recheck convergence, shading, ILA
readjust, if necessary (User's Guide, Sections 5.8, 5.10,
5.7, 5.9).
9. Recheck the ILA
Overlap adjustment (Section 3.8).
To remove a Relay Lens (refer to Figure 4-11):
1. Remove the rear cover (Section 4.2).
2. Tilt up the Electronic Module (Section 3.3)
3. Remove the corresponding CRT Assembly behind the
Relay Lens that is to be removed.
4. Loosen the CRT Lens Stopper Ring (the thin collar just in
front of the CRT Holder knurled ring-Figure 4-11) and
slide it off the back of the Relay Lens.
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assembly is removed.
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assembly by its housing and slide it out.
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in the reverse order from above.
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Back Focus (Section 3.4) and the ILA
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assembly
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assembly.
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bias and G2 and
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4-19