Pioneer PDK-50HW3 Troubleshooting, Plasma Display PDP-504CMX/PDP-50MXE1/PDP-50MXE1-S

8. Troubleshooting

If you think there is something wrong with this component, check the details in the following table. Sometimes another component may be the cause of the problem. Thus, also check the other devices that are connected to the plasma display.

8.1 Plasma Display (PDP-504CMX/PDP-50MXE1/PDP-50MXE1-S)

General problems

Problem	Possible Solution
• No power	• Is the power cord disconnected?
	• Has the MAIN POWER switch been switched on?
• Unit cannot be operated.	• External influences such as lightning, static electricity, etc., may cause improper
	operation. In this case, operate the unit after first turning the MAIN POWER off/on,
	or unplugging the power cord and re-plugging it in after 1 to 2 minutes.
• Remote control does not	• Are batteries inserted with polarity (+, –) correctly aligned?
operate.	• Are batteries worn out? (Replace with new batteries.)
	• Is any object occluding the remote signal receiver?
	• Point the remote control unit toward the remote signal receiver when operating
• Picture is cut off.	• Is the selected screen size correct?
	Switch to another screen size.
	• Are “SCREEN” mode adjustments such as picture size made correctly?
	• Is the POINT ZOOM function being used?
• Strange color, light color,	• Adjust the picture tone.
or dark, or color	• Is the room too bright?
misalignment	The picture may look dark in a room that is too bright.
	• Is “CLAMP POSITION” setup correct?
• Power is suddenly turned	• The unit’s internal temperature has increased. (Air vents are blocked.)
off.	Remove any objects blocking vent or clean.
	• Is the “POWER MANAGEMENT” function set to “ON”?
	• Is the “SCREEN MGT.” function set to “ONCE” or “REPEAT”?
• No picture	• Is connection to other components correct?
	• Has setup been done correctly after connection?
	• Is the correct input selected?
	• Is a non-compatible signal being input?
	• Is the “PICTURE” setting correct?

Problems commonly mistaken as breakdown

Problem	Possible Solution
• The screen is displayed in	• Is the correct screen size selected?
a small size.
• Letter breakup on screen.	• Adjust using “SCREEN” mode on the menu screen.
	If there is still no improvement, this unit may be limiting the displayable range.
	Check the Computer signal compatibility table.
• A sharp sound is sometimes	• Expansion/contraction caused by surrounding temperature change may result in
heard from the cabinet.	sound being heard from the cabinet. This is not a malfunction.
• Bright portions of image	• When the video input signal’s level is too high, the bright portions may appear to be
appear to be losing	losing their intensity.
intensity.	Increase the adjustment level of the contrast and check the picture.
• Speckles or noise	• May be caused by radio wave interference from appliances with motors such as hair
appears on screen.	dryers, electric vacuum cleaners, electric power drills, ignition systems of cars,
	motorcycles etc., switch devises such as thermostats etc., neon signs or electrical
	discharge from power lines etc.

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