ViewSonic N1750w manual Before Calling Service

Page 27

BEFORE CALLING SERVICE

Please make these simple checks before calling service. These tips may save you time and money since charges for receiver installation and adjustments of customer controls are not covered under your warranty.

Symptoms

Items to Check and Actions to follow

″Ghost″ or double image

*This may be caused by obstruction to the

 

antenna due to high rise buildings or hills.

 

Using a highly directional antenna may

 

inprove the picture.

No power

*Check that the TV’s AC power cord is plugged

 

into the mains socket.

 

*Unplug the TV, wait for 60 seconds. Then re-

 

insert plug into the mains socket and turn on

 

the TV again.

No picture

*Check antenna connections at the rear of the

 

TV to see if it is properly connected to the TV.

 

*possible broadcast station trouble. Try

 

another channel.

 

*Adjust the contrast and brightness settings.

 

*Check the Closed Captions control. Some

 

TEXT modes could block the screen,

Good picture but no sound

*Increase the VOLUME.

 

*Check that the TV is not muted; press the

 

button on the remote control.

Good sound but poor color

*Adjust the contrast, color and brightness

 

settings.

Poor picture

*Sometimes, poor picture quality occurs when

 

having activated an A-VHS camera or

 

camcorder connected and having connected

 

another peripheral at the same time. In this

 

case switch off one of the other peripherals

Snowy picture and noise

*Check the antenna connection

Horizontal dotted line

*This may be caused by electrical interference

 

(e.g. hairdryer, nearby neon lights, etc.)

 

*Turn off the equipment.

Television not responding to

*Check whether the batteries are working.

remote control

Replace if necessary

 

*Clean the remote control sensor lens on the

 

TV.

 

*You can still use the buttons at the front of

 

your TV.

 

*Select the TV mode to be sure your remote

 

control is in the TV mode.

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Contents LCD TV Table of Contents For Your Safety Product Registration Read before operating equipment Important Safety InstructuonsExample of Antenna Grounding AS PER National Electrical Code Quick Installation Using the Display PC Place the TV on a solid surface PreparationRemote control PowerTurn the TV on PIP PowerVOL SleepTo USE the Menus Sleep Timer , SET UP and PC Adjust Video AdjustAudio Adjust Caption Mode Text ModeClosed Caption Guidelines Setting up TV Guidelines Chip SetupSetting up Movie Guidelines Set up Sleep TimerPC Adjust Preparation Front Panel Control KnobsWatching VCR How to connectVideo Recorder If your VCR has an S-VHS video jackHow to use CAMERA, CAMCORDER, Video Game SET, …DVD Player Digital SET TOP BOX How to connect component videoMobile telephone warning HeadphoneTips Care of the screen Items Specification Feature ScreenDDC 2B Compatibility Modes Before Calling Service Customer Support Mpaa GlossaryLimited Warranty Safety Guidelines ViewSonic Corporation