Hitachi CMP5000WXU, CMP5000WXJ General problems, Problems commonly mistaken as breakdown

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Additional Information

Additional Information

General problems

	Problem		Possible Solution
•	No power	•	Is the power cord disconnected? (page 12)
		• Has the MAIN POWER switch been switched on? (page 7)
•	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 on/off, 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? (page 5)
	operate.	•	Are batteries worn out? (Replace with new batteries).
•	INPUT is not changed.	•	Is the Auto function being used? (pages 25–26)
•	Picture is cut off.	•	Is the selected screen size correct?
			Switch to another screen size (page 18).
		•	Are SCREEN mode adjustments such as picture size made correctly? (pages 22–23)
		•	Is the Point Zoom function being used? (page 19)
•	Strange color, light color, or	•	Adjust the picture tone (page 21).
	dark, or color misalignment	•	Is the room too bright?
			The picture may look dark in a room that is too bright.
•	Power is suddenly turned	•	The unit’s internal temperature has increased. (Air vents are blocked.)
	off.		Remove any objects blocking vent or clean (page 27).
		• Is the POWER MANAGEMENT or AUTO POWER OFF function set to ON? (page 20).
		•	Condensation has formed on internal parts due to suddenly increasing ambient temperature.
			Allow condensation to dry thoroughly before using.
•	No picture	•	Is connection to other components correct? (pages 9 to 11)
		•	Has setup been done correctly after connection? (pages 14 and 15)
		•	Is the correct input selected? (page 16)
		•	Is a non-compatible signal being input? (pages 9 and 31)
		•	Is picture adjustment correct? (page 21)

Problems commonly mistaken as breakdown

	Problem		Possible Solution
•	The screen is displayed in a	•	Check the input signal compatibility chart (page 31).
	small size.	•	Is the correct screen size selected? (pages 18, 22 and 23)
• Letter breakup on screen.		• Adjust using “SCREEN” mode on the menu screen (page 23).
			If there is still no improvement, this unit may be limiting the displayable range. Check the
			personal computer input signal compatibility chart (page 31).
•	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 signal’s level is too high, the bright portions may appear to be losing their
	appear to be losing intensity.		intensity.
			Increase the adjustment level of the contrast and check the picture (page 21).
•	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 drills, ignition systems of cars, motorcycles etc., switch
			devises 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.
		•	A strong electromagnetic field may cause picture distortion and similar problems.
•	Operation is not possible.	•	External influences such as lightning strike, static electricity etc., 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	•	Normal sound of the cooling fan and internal sliding parts of the plasma display panel. Not a
	the unit.		malfunction.
•	Fan isn’t moving	•	Fan is set to operate only after ambient temperature exceeds 35°C (differs depending on
			installation conditions). Not a malfunction.
•	Fan speed changes.	•	Fan speed changes automatically in accordance with ambient conditions. Not a malfunction.

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