ViewSonic CD4200 CD4200 User Guide - Page 48

Troubleshooting

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ENGLISH TROUBLESHOOTING There is no picture or sound. ▪ Make sure the AC adapter is connected. ▪ Verify that there is a valid source signal. ▪ Make sure the correct input mode is selected. There is no picture from AV. ▪ Make sure the BRIGHTNESS is properly adjusted. ▪ The florescent lamp may have reached the end of its life. Contact an authorized service center. ▪ Make sure the video source is plugged into the composite video-in port. There is no sound. ▪ Make sure the volume is not set to minimum. ▪ Make sure the sound is not muted ▪ Make sure that headphones are not connected. There is no picture or sound , just noise. ▪ The source signal may be weak. ▪ Your provider may be experiencing difficulties. ▪ Check your input connections. Picture is not clear. ▪ The source signal may be weak. ▪ The provider may be experiencing difficulties. ▪ Check input connections. ViewSonic CD4200 41

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ViewSonic
CD4200
41
ENGLISH
TROUBLESHOOTING
There is no picture or sound.
▪
Make sure the AC adapter is connected.
▪
Verify that there is a valid source signal.
▪
Make sure the correct input mode is selected.
There is no picture from AV.
▪
Make sure the BRIGHTNESS is properly adjusted.
▪
The florescent lamp may have reached the end of its life.
Contact an authorized service center.
▪
Make sure the video source is plugged into the composite
video-in port.
There is no sound.
▪
Make sure the volume is not set to minimum.
▪
Make sure the sound is not muted
▪
Make sure that headphones are not connected.
There is no picture or sound , just noise.
▪
The source signal may be weak.
▪
Your provider may be experiencing difficulties.
▪
Check your input connections.
Picture is not clear.
▪
The source signal may be weak.
▪
The provider may be experiencing difficulties.
▪
Check input connections.