Updates; Acronyms - JVC 250 Service Manual

Chapter 1---Introduction
When performing procedures that call for the projector's power to be on, always
wear high voltage gloves (ANSI/ASTM 10,000 volt rated) when working around
the CRTs, Arc Lamp or power supplies. Wear safety goggles (rated X5) when
working near the light path from the Arc Lamp or at all times around the
projection lens.
1.2

Updates

Hughes-JVC will periodically provide bulletins and /or manual supplements to
ensure the continued accuracy of this service manual.
1.3 Acronyms Used
ALPS
C
CDB
CH
CPU
CRT
EMI
EPROM
FPGA
F to V
G1
G2
HVDB
Hz
HSYNC
HVDB
HVPS
IIC
®
ILA
I/O
I/R
kHz
LED
LVPS
NTSC
PAL
PCB
PLL
PLUGE
RAM
RGB
RGBHV
ROM
RTG
SCB
1-2
Arc Lamp Power Supply
Chrominance
Convergence/Deflection Board
Channel
Central Processing Unit
Cathode Ray Tube
Electromagnetic Interference
Erasable Programmable Read-Only Memory
Field Programmable Gate Array
Frequency to Voltage
CRT Grid 1
CRT Grid 2
Horizontal/Vertical Deflection Board
Hertz
Horizontal Sync
Horizontal/Vertical Deflection Board
High Voltage Power Supply
Inter-Integrated Circuit
Image Light Amplifier
Input/Output
Infrared
Kilohertz
Light Emitting Diode
Low Voltage Power Supply
National Television Standards Committee
Phase Alternating Line
Printed Circuit Board
Phase Lock Loop
Picture Line-Up Generating Equipment
Random Access Memory
Red, Green and Blue
Red, Green, Blue, Horizontal, Vertical
Read Only Memory
Raster Timing Generator
System Controller Board
Model 250 Service Manual