Pioneer PDP 427CMX - Manual (Page 288)

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Maintenance
3) Screen (front protection panel)
The screen (front protection panel) is treated with a special coating to prevent glare and is very delicate. To clean it,
remove any dust then wipe gently with a soft cloth. Do not clean it with tissue or a rough, textured cloth.
DO NOT use solvents such as benzene or thinner to clean as this could damage or discolor the display panel.
The following cleaning cloths and cleaning liquid are recommended.
In the case of light soiling, remove the dust then gently wipe with a Minimax cloth. If there is heavy soiling, remove
the dust then apply a small amount of B4 cleaning liquid to an area of the Minimax cloth, do NOT apply the liquid to
the panel. Any of the cleaning chemical left on the unit may make the surface uneven. After the B4 has dried, wipe
it clean with a dry Minimax cloth.
4) Vents
Once a month, use a vacuum cleaner set to LOW to remove dust from the cooling vents on the sides and rear of the
unit and in the fan installation area. The main power switch MUST be turned OFF before cleaning the vents. Using
the unit with accumulated dust causes the internal temperature to rise and could cause fire or other trouble to occur.
5) Readjustment of the White Balance
This unit uses phosphor elements as in a CRT display than degrades over time, reducing the brightness. Blue
phosphor elements degrade faster than red or green.
* Occasional readjustment of the white balance may be beneficial.
Name Part Number
Cleaning cloth: Wiping cloth AED1285
Cleaning cloth: Minimax GED-009
Cleaning liquid: B4 GEM1004