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5–2 • User’s Guide
Chapter 5 • Troubleshooting
Problem Likely Cause Possible Solution(s)
Streaks on monitor Video cable plugged
into computer is
upside-down
Check and re-set cable
connections
Faint screen Low intensity Adjust BRIGHT
(brightness) and CONTR
(contrast) settings
Jittery, fuzzy letters Out of sync Adjust H PHASE setting
Cannot get entire
image on screen;
scrambled image
Compatibility problems Verify projector is image
compatible with one of
the standards listed in
Appendix A
“Shimmering” colors H PHASE or BRIGHT
setting out of
adjustment
Adjust H PHASE or
BRIGHT (brightness)
settings
Colors weak in video
mode (NTSC, PAL,
or S-VHS)
Weak video signal Check for faulty video
source, bad connection,
or frayed cable
COLOR setting may be
too low
Adjust COLOR setting
Getting excess white
or washout in TV
video mode (NTSC,
PAL, or S-VHS)
CONTRAST setting is
too high
Adjust CONTR (contrast)
setting, then adjust
BRIGHT (brightness)
setting
No audio Audio source(s) Check audio source(s) for
power ON and proper
operation
Loose, improper cabling Check and secure cabling
between audio source(s)
and projector
TEMP indication Air vent(s) clogged Allow projector to cool;
clear obstructions from
vents
Clean and replace filters
as necessary
Internal fan failure Allow projector to cool
Check for fan and blower
operation; service if
necessary
Remote Control
doesn’t work
Batteries upside-down
or old
Check battery placement
or replace with new
batteries
Projector’s IR receiver
window blocked
Remove object
obstructing red IR
receiver on front of
projector
Out of range Move within 16' and
within a 30
o
angle from
the front on the
projector.