Hughes JVC 100, Service Manual

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Chapter 3---Service Adjustments
Model 100 Service Manual 3-1
3.0 Service Adjustments
Contents
3.1 Introduction ...................................................................................................3-1
3.2 Arc Lamp Adjustment ...................................................................................3-5
Arc Lamp Current Adjustment .....................................................................3-5
Arc Lamp Alignment ....................................................................................3-7
3.3 ILA® Back Focus..........................................................................................3-9
3.4 CRT Electronic Focus ..................................................................................3-11
3.5 ILA® Overlap ...............................................................................................3-12
3.6 Front/Rear or Inverted Projection Jumper Settings .......................................3-13
Front / Rear Jumper Setting (Horizontal Scan Reverse)...............................3-13
Floor/ Ceiling Jumper Setting (Vertical Scan Reverse)................................3-15
3.7 Horizontal Size Settings ................................................................................3-15
3.8 Software Updating.........................................................................................3-17
3.9 Graphic Enhancement Adjustment................................................................3-21
3.10 Cleaning Lenses, CRT, ILA® Assemblies and Mirrors................................3-22
3.1 Introduction
This chapter details adjustment procedures required to maintain the Model 100.
Refer to Figure 3-1 and Figure 3-2 to locate assemblies and components. A tool list,
required to perform adjustments, is in Chapter 1.
CAUTION!
Before performing procedures in this chapter,
review the chapter on Safety at the beginning of this manual.
WARNING!!!
When performing procedures in this chapter
that require projector covers to be off, wear high voltage gloves
(ANSI/ASTM 10,000 volt rated) when working near the CRTs, Arc
Lamp, or power supplies. Wear safety goggles (rated X5) when
working anywhere near the light path from the arc lamp or the
projection lens.