Pioneer PDP-505HD Operating Instructions Manual page 56

Problems commonly mistaken
as breakdown
Problem Possible Solution
• The screen is displayed in a • Check the input signal compatibility chart (pages 55 and 56)
small stze • Is an appropriate screen size selected? (pages 22 and 25)
• Letter breakup on screen • Adjust using SCREEN mode on the menu screen (page 38)
If there is still no improvement, this unit may be limiting the displayable range Check the
personal computer input signal compatibility chart (pages 55 and 56)
• A sharp sound is sometimes • Expansion/contraction caused by surrounding temperature change may result in sound being
heard from the cabinet heard from the cabinet This is not a malfunction
• Bright portions of image • When the video input signaFs level is too high, the bright portions may appear to be losing their
appear to be loosing intensity
intensity Increase the adjustment level of the contrast and check the picture (page 31 )
• Speckles or noise appears on • May be caused by radio wave interference from appliances with motors such as hair dryers,
screen electric vacuum cleaners, electric power ddlls, ignition systems of cars, motorcycles etc, switch
devices such as thermostats etc, neon signs or electrical discharge from power lines etc
• Stripes appear on the screen • May be caused by radio wave mingling from TV station, FM station, amateur radios, public radios
(simplified radios) etc., or a nearby personal computer; TV, or video/audio component
• Strong magnets in the vicinity may cause picture distortion and similar problems
• Operation is not possible • External influences such as lightning striker static electricity etcr may cause improper operation
In this case, operate the unit after first turning the main power ON/OFF, or unplugging the power
cord and re plugging it in after 1 to 2 minutes
• Sound is heard from inside • Sound of fan revolving This is not a malfunction
the unit
Although this unit incorporates high precision technology
in its design, please understand that there may be
extremely slight pixel breakup, or light emission fault,
Note
in order to protect this unit's panels and circuitry, the revolving
speed of the interval fan will be automatically increased in order
to cool the inside of the unit when the surrounding temperature
exceeds 104 "F (40 C). (The sound of the fan will become louder
at this time) Please operate this unit in a location with a
surrounding temperature under 104 "F (40 C)
Additional cautions
• If the power is automatically turned off during operation
of this unit, the following reasons may be the cause,
(lb Is the POWER SAVE mode set to "MODE1 " or
"MODE2"? (page 26)
_2"# T he surrounding temperature has risen above 104 °F
(40 °C) Please operate this unit in a location with a
surrounding temperature under 104 °F (40 °C)
,_3" T he vents are blocked or the internal temperature
has risen abnormally due to abnormal heat
generation of internal parts etc
If the power is automatically turned off for a reason
other than the above reasons, there could be a
malfunction In this case, unplug the power cord flom
the pewel outlet and request repair from your nearest
sales outlet,
• The plasma display panel of this unit is very bright and
viewing it a close distance will cause eye strain
We _ecommend that you view the screen fiom a
suitable distance (9,8 to 19,7 feet (3 to 6m)),
<ARE1"/49 > En