Troubleshooting; Plasma Display (Pdp-504Cmx/Pdp-50Mxe1/Pdp-50Mxe1-S) - Pioneer 504CMX - PDP - 50" Plasma Panel Technical Manual

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
• No power
• Unit cannot be operated.
• Remote control does not
operate.
• Picture is cut off.
• Strange color, light color,
or dark, or color
misalignment
• Power is suddenly turned
off.
• No picture
Problems commonly mistaken as breakdown
Problem
• The screen is displayed in
a small size.
• Letter breakup on screen.
• A sharp sound is sometimes
heard from the cabinet.
• Bright portions of image
appear to be losing
intensity.
• Speckles or noise
appears on screen.
• Is the power cord disconnected?
• Has the MAIN POWER switch been switched on?
• 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.
• Are batteries inserted with polarity (+, –) correctly aligned?
• 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
• 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?
• Adjust the picture tone.
• Is the room too bright?
The picture may look dark in a room that is too bright.
• Is "CLAMP POSITION" setup correct?
• The unit's internal temperature has increased. (Air vents are blocked.)
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"?
• 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?
• Is the correct screen size selected?
• 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.
• Expansion/contraction caused by surrounding temperature change may result in
sound being heard from the cabinet. This is not a malfunction.
• When the video input signal's level is too high, the bright portions may appear to be
losing their intensity.
Increase the adjustment level of the contrast and check the picture.
• May be caused by radio wave interference from appliances with motors such as hair
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.
Possible Solution
Possible Solution
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