JVC 250 Service Manual page 49

Chapter 4---Optical
grasp the ILA
Figure 4-10 ILA
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the ILA . They are visible only after the ILA
13. If the overlap is at the top or bottom, be sure the projector is level. Slide
the spring clip (see Figure 4-10) at the top of the ILA
14. Loosen the two hex nuts, using a 4-mm hex-head wrench.
volt rated safety glove when working around CRTs due to the High
Voltage present there.
15. Slide the ILA
assembly (it will slide out with some resistance).
16. There are two adjustment screws at the bottom of the ILA
move the ILA
allow the ILA
17. Reinstall the ILA
forward and replace the spring clip.
18. Repeat Step 4 as necessary.
4-16
CAUTION!
To avoid damaging the connector,
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assembly itself, not the connector at the top.
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Assembly top view. The overlap screws shown are under
WARNING
!!! Always wear an ANSI/ASTM 10,000
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/Relay Lens/CRT Assembly back and remove the ILA
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up or down. Turn these screws in or out very slightly to
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to seat lower or higher, as necessary.
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assembly, slide the ILA
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assembly is removed.
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assembly back.
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assembly that
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/Relay Lens/CRT Assembly
Model 250 Service Manual
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