Introduction - Hughes JVC 100 Service Manual

4.0 Maintenance (Remove/Replace)
Contents

4.1 Introduction ................................................................................................. 4-1

4.2 Projector Covers.......................................................................................... 4-4
4.3 Air Filters .................................................................................................... 4-4
4.4 Arc Lamp Assembly.................................................................................... 4-5
4.5 Ignitor Assembly ......................................................................................... 4-7
4.6 Arc Lamp Power Supply ............................................................................. 4-8
4.7 Low Voltage Power Supply......................................................................... 4-9
4.8 High Voltage Power Supply........................................................................ 4-9
4.9 System Controller / Raster Timing Generator PCB .................................... 4-10
4.10 Video Processor PCB .................................................................................. 4-11
4.11 Deflection Processor PCB. .......................................................................... 4-12
4.12 Vertical Convergence Deflection PCB........................................................ 4-12
4.13 Horizontal Deflection PCB ......................................................................... 4-13
4.14 Video Input Cards (VICs) ........................................................................... 4-13
4.15 Regulator PCB............................................................................................. 4-13
4.16 Video Amplifier PCB.................................................................................. 4-14
4.17 CRT/ ILA® Assembly................................................................................. 4-15
4.18 Projection Lens............................................................................................ 4-17
4.19 Recommended Spares ................................................................................. 4-19
4.1 Introduction
NOTE: Before removing the front, top or side covers or replacing any components
or subassemblies, please review the Safety Chapter at the front of this manual.
Removal and replacement procedures in this chapter must be performed by factory
certified technicians and engineers only.
When performing any maintenance, protect yourself and the equipment by
following these guidelines:
Turn the projector off with the remote.
!
After the cooling fans have automatically stopped running, turn off the
!
circuit breaker.
Allow a discharge time of at least one minute for the high voltage to bleed
!
off, then unplug the power cord from the AC wall outlet.
Observe all Cautions and Warnings
!
Model 100 Service Manual
Chapter 4---Maintenance (Removal/Replacement)
4-1