Troubleshooting, Troubleshooting – Extron Electronics IN1502 Setup Guide User Manual
Page 19

Refer also to the IN1502 User’s Manual at www.extron.com.
Troubleshooting
The following tips may assist troubleshooting.
Some symptoms may resemble others, so look through all
1.
examples before attempting to solve the problem.
Be prepared to backtrack in case the action does not solve
2.
the problem.
Keep notes and sketches in case the troubleshooting
3.
process gets lengthy. This also provides information if
calling technical support.
Try simplifying the system by eliminating components
4.
that may have introduced the problem or made it more
complicated.
For sync-related problems:
5.
Sync problems may result
from using long cables or from improper termination.
A sync adapter, such an Extron ASTA (active sync
termination adapter, part # 26-488-01), may help solve
these problems.
For LCD and DLP projectors and plasma displays:
6.
In addition to the sync-related information above,
check the user manual that came with the projector for
troubleshooting tips and for settings and adjustments.
The table below shows some common operating problems and
solutions.
Problem
Cause
Solution
No image appears.
The input signal is
incompatible.
Attach an input device
that is compatible with
NTSC 3.58, NTSC 4.43, PAL,
or SECAM.
Freeze mode was entered
when the image was black.
Deactivate freeze mode.
The scaled output rate is too
high for the display.
Change the scaled output to
a compatible resolution.
Image is frozen.
Freeze mode is on.
Deactivate freeze mode.
Alternately, remove power
from the scaler for a short
time, then reconnect power..
Image is flashing.
The output rate is incorrect
for the display.
Change the scaled output to
a compatible resolution.
Change the display
resolution to match the
scaled output.
The image is too
soft.
The detail level needs to be
changed.
Change the detail level.
IN1502 • Front Panel Operation
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