Acoustic Research AR4200 manual Troubleshooting

Models: AR4200

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Troubleshooting

Before calling for repair service, check the following items for possible remedies to an encountered symptom.

Symptoms

Check item

“Ghost” or double images

￿This may be caused by obstruction to the antenna due to high

rise buildings or hills. Using a highly directional antenna may

 

 

improve the picture.

No power

￿Check that the AC power cord is plugged into the mains

 

socket.

 

￿Unplug the power cord, wait for 60 seconds. Then re-insert plug

 

into the mains socket and turn on the unit again.

No picture

￿Check antenna connections at the rear of the unit to see if it

 

is properly connected to the unit.

 

￿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.

 

￿Select a correct input.

 

￿Is a non-compatible signal being used?

 

 

Good picture but no sound

￿Increase the VOLUME.

 

￿Check that the unit is not muted.

 

￿Check Whether the sound is output to headphone

 

 

Good sound but poor color

• Adjust the contrast, color and

brightness settings.

 

Poor picture

￿Sometimes, poor picture quality occurs when having

activated an S-VHS camera or camcorder connected and

 

 

having connected another peripheral at the same time. In this

 

case, switch off one of the other peripherals.

 

￿Check whether the room is too bright

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 remote control

￿Check whether the batteries are working. Replace if necessary.

￿Clean the remote control sensor lens on the unit.

￿Do not use the remote control under strong or fluorescent lighting.

￿The batteries should be inserted with polarity (+, -) aligned.

Snowy picture and noise

￿Check the antenna connection.

 

 

No stable or not

￿Check if you have selected the correct VGA mode in your

synchronized VGA picture

PC.

 

 

No output from one

￿Adjust Balance in the audio menu.

of the speakers

 

Note:

If your problem is not solved, restart your TV by turning it off and then on using the POWER SWITCH.

Never attempt to repair a defective TV yourself.

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Acoustic Research AR4200 manual Troubleshooting