HP pe4240n ユーザーズマニュアル

Troubleshooting    

 

 

I get a poor picture with video 
signal input. 

Improper control setting. 

Local interference. 

Cable interconnections. 

Input impedance is not correct level. 

Adjust picture control as needed. 

Try another location for the TV. 

Be sure all connections are secure. 

I get a poor picture with RGB 
signal input. 

Improper control setting. 

Incorrect 15-pin connector 
pin-connections. 

Adjust picture controls as needed. 

Check pin assignments and connections. 

The tint is poor or colors are weak. 

 

Are the tint and colors properly 
adjusted? 

Adjust picture controls as needed. 

Check pin assignments and connections. 

Is the external device or computer power 
turned on? 

Turn on the external device or computer power. 

Is a source connected? 

Connect source to the TV. 

Nothing appears on the screen 
and I have an external device 
controlling the TV. 

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

Operate the external device or computer (move 
the mouse, or press a key). 

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

Is the position adjustment appropriate?  Adjust the screen settings. 

The picture image is too large or 
too small. 

Is the screen size adjustment 
appropriate? 

Press the Aspect button on the remote control 
and adjust properly. 

The picture is unstable. 

Is the external device or computer 
resolution setting appropriate? 

Set to the proper resolution. 

The Power/standby indicator on 
the front of the TV blinks in red. 

The horizontal or vertical sync signal is 
not present when the Intelligent Power 
Manager control is on. 

Check the input signal. 

The Power/standby indicator on 
the front of the TV blinks rapidly 
in red. 

Did the TV turn off 5 seconds after you 
turned it on? 

Turn off the TV immediately and contact your 
dealer or authorized service center. The power 
supply circuit, the plasma display panel, or the 
temperature sensor has been damaged.