COBY electronic TF-TV4209, TF-TV3709 manual Screen, Channel, Monitor

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Troubleshooting Guide

Screen

Problems

Solve

Poor picture

■ Is the power cord unplugged? Make sure the power cable is plugged

in correctly, then press the power of the remote control.

 

 

 

Black picture

■ Check if external input mode is selected

■ Press [external input selection] and select TV

 

 

 

Lined and flickering picture.

■ Try to use the "Fine Tune" channel adjustment.

■ Avoid using cordless phones, hair dryers or electrical drills near the TV.

 

 

 

Disfunctioning channels.

■ Check if the channel has been selected correctly.

■ Try changing the position of the antenna.

 

 

 

Picture with white and

■ Check if your antenna is damaged or any connections are broken.

black dots.

■ Replace your antenna.

 

 

Only certain channels are in

■ Check if the program is being broadcast in “black and white”.

black and white

■ Check the color hue or contrast settings.

 

 

The Sub-Screen is black.

■ Check the power of the external device connected to the TV.

■ If the power cord is disconnected, the screen will be black.

 

■When turning off your TV, you need to use the remote control or

Automatic turn-on is inactive. press the power button on the TV. (If you pull the plug on the TV,

 

the settings will be deleted.)

 

 

Channel

 

Problems

Solve

The channels are not

■ Connect the antenna connectors again.

■ Set to memorize channels in the automatic channel setting again.

functioning.

■ Query the particular broadcasting station.

 

 

 

A limited number of channels

■ Change the location or direction of the antenna.

■ Try to select a few channels using numbers and memorize them

are not functioning.

using the add/delete button.

 

■ Query the broadcasting station.

 

 

Only UHF (14 ~ 69) Channels

■ Check if the antenna is able to receive UHF.

are unavailable.

 

 

 

Monitor

 

Problems

Solve

The PC Screen continually

■ Check the connection between the TV and the computer and see

appears and disappears.

if the connector is locked.

 

 

 

■ This happens if the signal from the video card is too much for the

A “There is no signal”

maximum resolution or frequency of the TV.

Try to set the maximum resolution or frequency for the TV.

message appears.

■ See if the PC is in power save mode.

 

 

(This is deactivated when any key is pressed or the mouse is moved)

 

 

The screen is unclear

■ Change the frequency and phase adjustment.

■ Change the Resolution and frequency to the standard limit.

and blurry.

(1024x768 @ 60Hz)

 

 

 

ENGLISH

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Contents TF-TV3709 TF-TV4209 LCD TV FCC Compliance Statements Important Safety Instruction External Television Antenna Grounding PrecautionPrecaution Precaution Table of Contents Unpacking your TV Inserting Batteries in the Remote ControlRemote Control & Batteries AAA x Operating Instructions Front View Viewing the Control PanelsPC Input Terminal Rear ViewInput Remote ControlConnecting an Antenna Connecting an AntennaViewing Air Channels There are internal and external types of antennasConnecting a DVD Player Connecting a VCRConnecting a DVI Connection Connecting an Hdmi ConnectionTV/ External Input Settings Connecting a PCConnecting a PC Watching a PC screen on a TVChecking memorized channels Automatic Channel SettingsAny receivable channels can be memorized automatically Auto Memorizing menu will appearAdding or Removing Channels Antenna SettingsAdding or deleting the current channel Adding or deleting all memorized channelsAdding a channel to the favorite channel list Adding favorite channelsPress FAV Channel List menu will be selectedCurrent Program Guide Current Program InformationPress Guide Press Guide Current Guide will appearMenu Transparency Settings Checking the strength of the digital signalPower Saving Mode Settings This shows the current digital signal strength of a channelScreen Custom Mode Settings Screen Mode SettingsAdjusting the user screen Press P.MODE to recall a pre-set screen typeUnstable Screen Screen Color SettingsUndoing a channel adjustment Screen Size Menu Film Mode SettingsAdjusting the Screen Size Adjusting the Sub-Screen Contents PIP Picture-in-Picture SettingsAdjusting the Sub-Screen Position Switching the Main and Sub-ScreenAdjusting the Sub-Screen Size You can adjust the channel in the Sub-Screen Adjusting the Sub-Screen ChannelCapturing a Still screen Channel in the Sub-Screen will be selectedCustom Sound Mode Settings Sound Mode SettingsSound Balance Settings You can create your own audio equalizer settings as desiredDigital Audio Output Settings SRS TruSurround XT Mode SettingsSRS TruSurround XT SRS Tsxt Menu will appearSound Analog Broadcasting Settings Automatic Volume Control SettingsSound Digital Broadcasting Settings Manual Time Settings Automatic Time SettingsTime Zone Settings Time and Date SettingsUsers can select Daylight Saving Users can select the time zonesTV Deactivation Time Settings TV Activation Time SettingsAuto TV Deactivation Time Settings You can set a time for the TV to automatically turn-onPassword Dialog Box Menu will appear Setup Menu will appear PressEntering a PIN Press Menu Menu will appearTvpg Rating Menu will appear Tvpg RatingYou can block programs based on the TV program rating Canadian English Ratings Mpaa RatingsCanadian French Ratings Restricting movies by their ratingAnalog Mode Captions SettingsAnalog Mode Menu will appear Caption Menu will appearDigital Mode Menu will appear Digital ModeDigital Font Options Digital Caption function operates for digital channelsPC Settings Checking Items before Connecting to a PCPrecautions Standard Display SettingsSetup and Connection Troubleshooting GuideMenu and Remote Control SoundMonitor ScreenChannel Specifications 43 x 31.9 x Model name TF-TV4209941262P1CB01
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