AOC PD4264, User Manual

32

Troubleshooting 

If the picture quality is poor or there is some other problem, check the adjustments, operations, etc., before requesting 
service. 
 

Symptom 

Checks 

Remedy 

Picture is disturbed. 
Sound is noisy. 
Remote control operates erroneously. 

y

Is a connected component set directly in front 
or at the side of the TV? 

y

Leave some space between the TV and the 
connected components. 

The remote control does not work. 

y

Are the remote control’s batteries worn out? 

y

Replace both batteries with new ones. 

TV’s power does not turn on when 
the remote control’s power   

y

Is the TV’s power cord plugged into a power 
outlet? 

y

Plug the TV’s power cord into a power 
outlet. 

Button is pressed. 

y

Are all the TV’s indicators off? 

y

Press the power button on the TV to turn 
on the power. 

y

Are the remote control’s batteries worn out? 

y

Replace both batteries with new ones. 

TV does not operate when the remote 
control’s buttons are pressed. 

y

Is the remote control pointed at theTV, or is 
there an obstacle between the remote control 
and the TV? 

y

Point the remote control at the TV’s 
remote control sensor when pressing 
buttons, or remove the obstacle. 

y

Is direct sunlight or strong artificial light 
shining on the TV’s remote control sensor? 

y

Eliminate the light by closing curtains, 
pointing the light in a different direction, 
etc. 

y

Are the remote control’s batteries worn out? 

y

Replace both batteries with new ones. 

No sound or picture is produced. 

y

Is the TV’s power cord plugged into a power 
outlet? 

y

Plug the TV’s power core into a power 
outlet. 

Picture appears but no sound is   

y

Is the volume set at the minimum? 

y

Increase the volume. 

Produced. 

y

Is the mute mode set? 

y

Are the speakers properly connected? 

y

Press the remote control’s MUTE button.

y

Connect the speakers properly. 

y

Is AUDIO INPUT set correctly? 

y

Set AUDIO INPUT on the SOUND menu 
correctly. 

Poor picture with VIDEO signal 
input. 

y

Improper control setting. 
Local interference. 
Cable interconnections. 
Input impedance is not correct level. 

y

Adjust picture control as needed. 
Try another location for the TV. 
Be sure all connections are secure. 

Poor picture with RGB signal input. 

y

Improper control setting. 
Incorrect 15 PIN connector pin connections. 

y

Adjust picture controls as needed. 
Check pin assignments and connections. 

Tint is poor or colors are weak. 

y

Are the tint and colors properly adjusted? 

y

Adjust picture controls as needed. 
Check pin assignments and connections. 

Nothing appears on screen. 

y

Is the computer’s power turned on? 

y

Turn on the computer’s power. 

y

Is a source connected? 

y

Connect source to the TV. 

y

Is the power management function in the 
standby or off mode? 

y

Operate the computer (move the mouse, 
etc.) 

Part of picture is cut off or picture is 
not centered. 

y

Is the position adjustment appropriate? 

y

Adjust the “SCREEN” properly. 

Image is too large or too small. 

y

Is the screen size adjustment appropriate? 

y

Press the “WIDE” button on the remote 
control and adjust properly. 

Picture is unstable. 

y

Is the computer’s resolution setting 
appropriate? 

y

Set to the proper resolution. 

POWER/STANDBY indicator blinks 
in red 

y

Horizontal and / or vertical sync signal is not 
present when the Intelligent Power Manager 
control is on. 

y

Check the input signal. 

POWER/STANDBY indicator is fast 
blinking 

y

Promptly switch off the power of the main 
unit.  

y

See* 

At PC mode if position of picture is 
not correct 

y

Is the position adjustment appropriate? 

y

Turn on the “AUTO FOCUS” properly. 

* 

In the following case, power off the TV immediately and contact your dealer or authorized Service Center. The TV 
turns off 5 seconds after powering on and then the POWER/STANDBY indicator fast blinks. It indicates that the 
power supply circuit or plasma TV panel or, temperature sensor has been damaged.