Hughes Jvc 220 Projector Service Manual

SERVICE 
MANUAL 
Model 220 Projector 
  

 
DECLARATION OF CONFORMITY  
PER ISO/IEC GUIDE 22 AND EN 45014 
  
Manufacturer: Hughes JVC 
   2310 Camino Vida Roble 
   Carlsbad, Ca 92009 
   USA 
Hughes-JVC declares that this product conforms to the following Product \
Specifications (Directive/Standard): 
 
 Safety: EN 60950 
   IEC 950 (1992) 
 
 EMC:  EN 55022 (1988) / CISPR-22 (1986) Class A   
   EN 50082-1 (1992) / IEC 801-2(1991) 
   EN 50082-1 (1992) / IEC 801-3(1984)  
   EN 50082-1 (1992) / IEC 801-4(1988) 
    
   ANSI C63.4-1992, FCC,...

 
Table of Contents 
 
Safety Information........................................................................\
..........v 
Chapter 1  Introduction 
1.1   Safety........................................................................\
................................1-1 
1.2   Updates........................................................................\
.............................1-1 
1.3   Tool List........................................................................\...

 
PCB Status LEDs........................................................................\
......................5-1 
Error Codes ........................................................................\
...........................5-4 
Troubleshooting Guide........................................................................\
..............5-6 
Chapter 6  Parts List........................................................................\
......6-1 
Appendix A...

  Safety Information 
Safety Information 
Introduction 
Read entire Safety Chapter thoroughly before performing any 
maintenance or service on the projector.  Only qualified service 
personnel should perform procedures and adjustments. 
Safety Equipment: Use safety equipment specified in the 
projector’s Maintenance training and certification program or 
equivalent maintain equipment. 
WARNINGS AND CAUTIONS! 
Warnings and Cautions in this manual should be read thoroughly 
and strictly adhered to. Warning...

Safety Information 
Installation Safeguards 
 
WARNING!!! Procedures in this service manual require 
removing the projector’s covers to access internal component to 
remove, replace, service and adjust the projector. Only Hughes-
JVC Certified Technicians are qualified to perform these 
procedures.  Before removing or replacing any internal 
components or subassemblies, verify that the circuit breaker on 
the back panel is in the Off position and remove the power plug. 
Any adjustments performed that...

  Safety Information 
CAUTION! Do not unplug the power cord until after the arc 
lamp fan has stopped running. This fan protects the arc lamp from 
overheating. Disconnecting power before the cooling fans have 
stopped running can shorten Arc Lamp life. 
Light Safeguards 
Ultra Violet and Infrared Light 
Eye and face protection from ultra violet light and infrared light in 
accordance with the following conditions: 
1.  X3 (up to 375 nanometers), ANSI approved, shade 
goggles must be worn by anyone near...

Safety Information 
 
 
WARNING!!! High Voltage points up to 40,000 volts 
are exposed inside the covers. Allow at least one minute for 
the high voltage to bleed off, even after power is turned off. 
Due to high voltage danger, DO NOT TOUCH 
• CRT cables. These cables can cause severe shock from a 
tiny, invisible crack or hole and should never be touched 
while projector power is on. 
• CRT anodes. 
• Main power ± supply posts. 
• Arc Lamp main power ± posts 
• CRT yoke assemblies and other proximity...

  Safety Information 
Ventilation and Foreign Object Retrieval 
CAUTION! Ensure the projector’s multiple fans are free from 
obstructions and operating properly. Air filters are located at vent 
ports on the cover. Air filters require periodic cleaning to ensure 
adequate cooling of the projector (Section 4.3). Ensure that all 
vent ports are clear of obstructions. 
Keep the inside of the projector free from foreign objects, such as 
hairpins, nails, paper, etc.  Do not attempt to retrieve any object or...

Safety Information 
 Model 220 Service Manual x