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Other Information
Troubleshooting
Please contact ViewSonic service team directly if you have questions, service needs, or require technical assistance related on the use of your television. Contact ViewSonic Service Team at:
http://www.ViewSonic.com Or call our service team: United States
Before calling a service technician, please check this chapter for a possible cause of the problem and some solutions you can try.
Problem | Possible Solution | ||
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Black box | • | The closed caption feature is set to one of the Text modes (T1, T2, | |
| T3, or T4). Set the closed caption feature to Off (page 29). | ||
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| • If the TV stops responding to the controls on the remote control or | ||
TV stops responding to controls |
| TV control panel and you cannot turn off the TV, please unplug the | |
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| power cord few seconds then | |
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| • If your TV’s problem is not addressed in this Troubleshooting | ||
Other problems |
| section or the recommended solution has not worked, use the | |
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| Restore Factory Defaults procedure (page 32). | |
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| • Make sure the power cord is plugged in, and then press POWER. | ||
TV will not turn on | • | The remote control batteries may be dead. Replace the batteries or | |
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| try the control panel buttons. | |
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| General picture problems | ||
| • Check the antenna/cable connections. | ||
| • Press INPUT on the remote control or TV and select a valid video | ||
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| input source (page 23). | |
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| If no device is connected to a particular input on the TV, no picture | |
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| will display when you select that particular input source. For device | |
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| connection details, see Connecting the LED TV (page 17). | |
| • Antenna reception may be poor. Use a highly directional outdoor | ||
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| antenna (if applicable). | |
Picture problems | • | The station may have broadcast difficulties. Try another channel. | |
• | Adjust the picture qualities (page 25). | ||
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Noisy picture
• If you are watching an analog channel (offair broadcast or Cable TV), you can set the DNR feature to reduce visible interference in the TV picture (page 26).
Video Input Selection problems
• If the Input Selection window does not appear when you press INPUT on the remote control or TV, press INPUT a second time, which will change to the next video input source and display the Input Selection window.
ViewSonic | 26 | VT3210LED/VT4210LED |