Troubleshooting

Hitachi P55H401, P42H4011, P50H401A Plasma Television Troubleshooting

1. Plasma Television Troubleshooting

No.	Items	Notes
1	Buzzing sound from Plasma	A buzzing sound may be heard when the plasma television is turned on in a very quiet
1	display panel.	room. This is due to the plasma panel drive circuit when it is functioning. The buzzing
	display panel.	sound is normal and is not a malfunction.
		sound is normal and is not a malfunction.
2	Infrared interference	Some infrared rays are emitted from the plasma television panel that might affect the
2	Infrared interference	operation of other infrared controlling equipment.
		operation of other infrared controlling equipment.
		High precision technology is used to manufacture the plasma television. But there
3	Bright and dark spots	maybe points that do not illuminate, points that are too bright, and points with color
		different from that of the periphery. Please note that this is not a malfunction.
4	Picture Image	In some cases, residual images may remain after the short term display of still images
4	Picture Image	when the picture changes.
		when the picture changes.
	Display panel surface	The plasma display panel display images by means of electrical discharges inside the
5	Display panel surface	panel. This may cause the temperature of the panel surface to increase. Please note that
5	temperature is too high.
	temperature is too high.	this is not a malfunction.
		this is not a malfunction.

6	Plasma Surface	A reinforced glass filter is installed over the plasma panel surface. A strong impact to
6	Plasma Surface	the front panel risk a danger of glass breakage.
		the front panel risk a danger of glass breakage.

7		Please transport the plasma television in it's packing box and placed in an upright
7	Transportation	position. Do not transport the plasma television in a horizontal position. This increases
		the posibility of panel breakage and pixel failure.
8	Granular spots	When a screen is seen at point-blank range, a random fine grain may be visible in the
8	Granular spots	dark areas of the picture.
		dark areas of the picture.

9	High temperature	High temperature affect the electric discharge/luminescence characteristic of the PDP
9	environment	panel. Do not place the plasma television in high temperature environments.
	environment

10	Operation	Operating altitude: 700 to 1,114hPa (9,676ft to -2,484ft). Operating temperature: 41°F
10	Operation	to 95°F.
		to 95°F.

11	Storage	Storage altitude: 300 to 1,114hPa (31,912ft to -2,484ft). Storage temperature: 5°F to
11	Storage	140°F
		140°F
12	Power ON or OFF	Repeatedly turning the plasma television Power ON and OFF at short intervals may
12	Power ON or OFF	result in failure of the television.
		result in failure of the television.

		The on-screen motion of an actor's lips or other moving object may not be in sync with
13	Lip sync	the associated audio heard from the TV's speakers. This is caused by timing differences
		in the broadcast signal or DVD content and is not caused by a defect in the television.

14	Control Buttons	There's a few seconds response delay on the control buttons (Control panel or R/C) after
	Response Delay	the TV is turned ON; due to TV start-up routine. Please note that this is not a TV malfunction.

Useful Information

P55H401, P42H401, P42H4011, P50H401, P50H401A specifications

The Hitachi P series, including models P50H401A, P50H401, P42H4011, P42H401, and P55H401, represents a range of advanced flat panel televisions that combine innovative technology with exceptional visual performance. Designed for both home entertainment and professional use, these models reflect Hitachi's commitment to quality and cutting-edge technology.

One of the standout features of the Hitachi P series is its stunning high-definition display. With resolutions that typically start at 720p and go up to 1080p, these televisions deliver sharp, clear images that enhance the viewing experience. The P50H401A and P55H401, in particular, boast larger screen sizes, making them ideal for immersive viewing in larger rooms.

These models utilize advanced LCD technology, which ensures bright colors and deep blacks. The incorporation of a high-contrast ratio helps in delivering a dynamic range, allowing viewers to appreciate details in both bright and dark scenes. The screens are designed to reduce glare, making them perfect for various lighting conditions.

Another notable characteristic of the Hitachi P series is its connectivity options. Equipped with multiple HDMI ports, USB inputs, and component video inputs, these TVs allow for seamless connection with various devices like gaming consoles, Blu-ray players, and streaming devices. This extensive connectivity ensures that users can easily access a wide range of content.

Moreover, the P series integrates smart technologies, enabling users to access popular streaming platforms directly from their televisions. Whether it's watching the latest movies on Netflix or catching up on series on Hulu, the built-in apps provide a straightforward user experience.

Audio performance in the P series is also commendable, with integrated speakers designed to deliver clear sound that complements the high-quality visuals. For those seeking enhanced audio, the HDMI ARC feature allows for easy connection to external audio systems, providing a more immersive audio experience.

Durability is another crucial aspect, as Hitachi has constructed these models with robust materials, ensuring longevity and continued performance. The sleek design fits well in any modern living space, enhancing the aesthetic appeal of the home.

In summary, the Hitachi P50H401A, P50H401, P42H4011, P42H401, and P55H401 offer an impressive blend of superior visual technology, practical connectivity, and durable design. These televisions are well-suited for anyone looking to elevate their home entertainment experience.