Appendix, Trouble shooting, Troubleshoot common conditions – Blue Microphones VPW425 User Manual

Page 37

Advertising
background image

ViewSonic VPW425

35

Appendix

TROUBLE SHOOTING

Troubleshoot Common Conditions

The following list represents possible anomalies that you may encounter and methods for remedy. Please

refer to this checklist prior to contacting a service representative.

Symptom

Possible Cause

Remedy

No picture is displayed

1. The power cord is disconnected.

2. The main power switch on the back of the mon-

itor is not switched on.

3. The selected input has no connection.

4. The monitor is in standby mode in RGB mode.

1. Plug in the power cord.

2. Make sure the power switch is switched

on.

3. Connect a signal connection to the moni-

tor.

4. Press any key on your keyboard.

Interference displayed on the

monitor or audible noise is

heard

1. Caused by surrounding electrical appliances,

cars/motorcycles or fluorescent lights.

1. Move the monitor to another location to

see if the interference is reduced.

Color is abnormal

1. The signal cable is not connected properly.

1. Make sure that the signal cable is attached

firmly to the back of the monitor.

Picture is distorted with

abnormal patterns

1. The signal cable is not connected properly.

2. The input signal is beyond the capabilities of the

monitor.

1. Make sure that the signal cable is attached

firmly.

2. Check the video signal source to see if it

is beyond the range of the monitor.

Please verify its specifications with this
monitorís specification section.

Display image doesnít fill up the

full size of the screen

1. If under RGB mode, the H-Size and V-Size is

incorrectly set.

2. If under TV, AV1, AV2, or Component with

480i input, the 4:3 WIDE mode is switched on.

1. Use H-Size and V-Size to adjust the size

of the video.

2. Use the WIDE key to scroll through vari-

ous full screen modes.

Can hear sound, but no picture

1. Improperly connected source signal cable.

1. Make sure that both video inputs and

sound inputs are correctly connected.

Can see picture but no sound is

heard

1. Improperly connected source signal cable.

2. Volume is turned all the way down.

3. MUTE is turned on.

1. Make sure that both video inputs and

sound inputs are correctly connected.

2. Use VOLUME +/- to hear sound.

3. Switch MUTE off by using the MUTE

button.

Some picture elements do not

light up

1. Some pixels of the plasma display may not turn

on.

1. This monitor is manufactured using an

extremely high level of precision technol-

ogy; however, sometimes some pixels of
the monitor may not display. This is not a

malfuction. Please see the enclosed war-

ranty card for more information.

After-Images can still be seen

on the monitor after the monitor

is powered off. (Examples of

still pictures include logos,

video games, computer images,

and images displayed in 4:3

normal mode)

1. A still picture is displayed for an over extended

period of time.

1. Do not allow a still image to be displayed

for an extended period of time as this can

cause a permanent after-image to remain

on the monitor.

Advertising