Troubleshooting, Troubleshooting – Extron Electronics IN1502 Setup Guide User Manual

Page 19

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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

2-9

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