Trouble Shooting - Dell 2000FP Service Manual

Hide thumbs Also See for 2000FP:

Installation instructions manual (10 pages)

Service manual (6 pages)

Quick setup manual (4 pages)

Table of Contents

Dell 2000FP LCD Monitor Service Guide

Categorizing the problem before troubleshooting

Step Condition

The monitor is connected to

the adaptor

The monitor is connected to

appropriate signal source and

the power button is pressed

Picture is displaying but not

good

Picture is displaying normally

No DDC

Abnormal LED troubleshooting

Normal operation

Right after the adaptor is connected to the monitor, all the LEDs will turn on for less than 3 seconds and then

turn off.

Troubleshooting scope

This troubleshooting applies to the case that all the LEDs are permanently on after the adaptor is connected.

Step Check item

The LEDs are on permanently

IC113 is working and there is a valid

clock output on pin 5

There is clock waveform on the 2 pins

of Y103

The LEDs are working normally

*Note: If the LEDs are not working, the image processor U1 and related ICs may not be working normally.

Power not good troubleshooting

Normal operation

The LED on the AC adaptor is on. The monitor is connected correctly to the adaptor. After the power key is

pressed, the power LED (green color) turns on and works normally.

Troubleshooting scope

Symptoms

All LEDs are on

LED is not working correctly

No splash screen / No video

Picture on D-SUB is not good

Picture on DVI is not good

Picture on S-Video is not good

Picture on Composite video is not good

Picture on PIP is not good

Press menu key but there is no OSD

Source selection key is not working

Auto adjustment key is not working

OSD control keys are not working

PC system doesn't detected the correct

monitor name

Yes

Step 2

Replace IC123 and go to Step 4 Step 3

Replace IC113

Go to step 4

Problem solved

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