Panasonic TH42PH30U

TH-42PH30U 42" Class HD Professional Plasma Display With 720p Resolution, Impact Resistant Glass, Energy Star 5.0, Superb Image Quality, Robust Blacks & 2,000,000:1 High Contrast Ratio

Quick Specs:
Brand: Panasonic
Energy Star: Yes
Technical Details
Screen Size: 42"
HD: 720p

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Panasonic Products

Panasonic TH42PH30U

Panasonic TH-42PH30U 42" Class HD Professional Plasma Display With 720p Resolution, Impact Resistant Glass, Energy Star 5.0, Superb Image Quality, Robust Blacks & 2,000,000:1 High Contrast Ratio
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The Panasonic TH-XPH30U X" Class HD Professional Plasma Display is an ideal choice for classrooms, boardrooms, display, conventions or any high-traffic venue where durability and brilliant images are paramount.


The TH-XPH30U boasts HDMI, component, DVI, PC and RS-232C inputs/outputs but also allows the addition of more mounting boards developed to defeat obsolescence and promote expandability.

The 1024 x 768 panel features a wide color gamut backed by an unheard of 2,000,000:1 contrast ratio which recreates crisp detail in any installation regardless of viewing angle. Also new to this 720p model is improved video processing providing crisp, clear motion images with a motion picture resolution of 900 lines. Panasonic designed the TH-XPH30U to be a workhorse so the 100,000 hour rated panel reduces image retention when running program material for long periods of time. The tough glass screen is up to the challenge of public spaces, resisting shock and impact which would shatter other units.


Tough Body Meets the Challenge of Public Spaces
The TH-XPH30U features a hard front glass panel which is impact resistant

Long Life
Your Panasonic plasma display is rated at approximately 100,000 hours

Crisp Images with a High Contrast Ratio
Original image-processing technologies enable a contrast ratio of 2,000,000:1, producing rich blacks that give images greater realism and depth

Colors Are Faithful to the Original
This wide gamut exceeds even the color reproduction range of the HDTV standard

Improved Video Processing
Also new to this 720p model is improved video processing providing crisp, clear motion images with a motion picture resolution of 900 lines

Image Process Technology
This produces robust blacks that give images even greater realism and depth


Aspect Ratio16:9
Display Area43.5 x 24.4" (1105 x 622mm)
Resolution1024 x 768
Pixel Pitch1.08 x 0.81mm
Gradation5,120 Steps (Equivalent)
Panel LifeApprox. 100,000 Hours
Contrast Ratio2,000,000:1
Inputs/OutputsVideo In: BNC x 1
Audio Input (L/R): RCA x 1 Set
Component Input: BNC x 3
HDMI Input: HDMI Type A Connector x 1
DVI-D In: DVI-D 24-pin x 1
Audio In: M3 Jack x 1
PC In: Mini D-sub 15-pin x 1
RS-232C x 1
Serial Input/Output: D-sub 9-pin x 1
Remote ControlRemote Control Power Requirements: DC 3 V (2 x AA Size Batteries)
Remote Control Operation Distance: Approx. 23' (7 m) in Front of Plasma Display
Remote Control Weight: Approx. 3.5 oz (100g) Including Batteries
Power Requirements110-127 V AC, 50 Hz/60 Hz
Power ConsumptionPower Consumption: 245W
On Mode Average Power Consumption: 197W
Power Off Condition: 0.2W
Stand-by Condition: 0.4W
Audio Out6 ohms, 16W [8W + 8W] (10% THD)
Operating Temperature32-104F (0-40C)
Storage Temperature: -4-140F (0-60C)
Humidity20-80% (Non Condensation)
Storage Humidity: 20-90% (Non Condensation)
Altitude0-9100' (0-2773.7 m)
0-10,800' (0-3300 m)
SafetyUL60065 CAN/CSA-22.2 No. 60065:03, NOM Approval
Radiation Regulation: FCC Part 15 Class-B, ICES-003

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Types of Televisions:

In Plasma technology, the display itself consists of cells. Within each cell two glass panels are separated by a narrow gap in which neon-xenon gas is injected and sealed in plasma form. The gas is electrically charged at specific intervals when the Plasma set is in use. The charged gas then strikes red, green, and blue phosphors, thus creating a television image. Each group of red, green, and blue phosphors is called a pixel.

Some Advantages of Plasma Televisions are:
  • Larger Screen Sizes Available
  • Better Contrast Ratio, so Blacks are deeper
  • Better Color Saturation
  • Little to no lag in Fast Moving Images

  • Some Disadvantages of Plasma Televisions are:
  • Susceptible to Burn-Ins(Image is “burnt” onto the screen when left on the screen too long)
  • Generates a lot of heat
  • Does not perform well at high altitudes

  • LCD
    LCD stands for liquid crystal display. These types of displays are made of two layers of transparent material, which are polarized, and are "glued" together. One of the layers is coated with a special polymer that holds the individual liquid crystals. Current is then passed through individual crystals, which allow the crystals to pass or block light to create images. LCD crystals do not produce their own light, so an external light source, such as florescent bulb is needed for the image created by the LCD to become visible to the viewer.

    Some Advantages of LCD Televisions are:
  • Low energy consumption
  • Reduced Glare
  • No "burn-in" effect
  • Cool running temperatures
  • No high altitude issues
  • Greater Brightness
  • Lighter in weight

  • Some Disadvantages of LCD Televisions are:

  • Low contrast ratio
  • Fast Moving Images sometimes lag
  • Individual Pixels can burn out and cannot be replaced
  • Smaller Viewing Angle (although not significant difference)

    DLP (Digital Light Processing) technology utilizes a small Digital Micromirror Device (DMD) to tilt more than 1.3 million micromirrors-each of them less than the width of a human hair-toward (ON) or away from (OFF) the light source inside the DLP. This process creates light or dark pixels on the face of the projection screen. The light then filters to a color wheel, which rotates 120 times per second, producing the correct hue. Each mirror can turn on or off several thousands of times per second resulting in a technology that can reproduce up to 1024 shades of gray.

    Some Advantages of DLP Televisions are:
  • Little to no affection by ambient light
  • Better Contrast Ratio, so Blacks are deeper
  • High refresh rate
  • No lagging images or burn-ins
  • Not affected by altitudes
  • Tuner built-in in most models
  • The only thing that can burn out is the bulb, which can be replaced, so you could use this TV virtually forever
  • Many connections available - Can also be used as a monitor

  • Some Disadvantages of DLP Televisions are:
  • Must be viewed at eye level for the best picture
  • While a bulb will only cost around $200, a professional will need to install it, incurring an additional cost.
  • They are heavy and cannot easily be moved.

  • Direct View(CRT)
    Direct-view TVs, also known as the traditional tube television, consist of a single cathode ray tube (CRT) and electron beam that excites and illuminates phosphors on the inside surface of the TV screen.

    Some Advantages of CRT Televisions are:
  • Low in cost
  • Best black level, contrast, shadow detail and color performance of any video technology out there
  • Not affected by ambient light
  • Can be viewed from any angle
  • Very Long Life Expectancy

  • Some Disadvantages of CRT Televisions are:
  • Size and Weight of Television make it very heavy
  • Limited screen size - 38 inches is about the max for CRT TVs
  • Uses old technology

  • Choosing the Best TV Size:

    Where you are putting your television and what you are using it for will determine the perfect TV size for your room.

    Living (or Family) Room
    For living rooms and other spaces with high TV use, 37 inch and larger are the most popular choices. In large rooms, the largest size possible is usually best.

    For bedrooms, offices and other medium-sized spaces, a tv that is from 26 to 37 inches is your best bet.

    Kitchens & Smaller Rooms
    For kitchens and smaller rooms where you will be close to the TV, a 15 to 19 inch screen is best suited.

    Refer to the below chart for the mimimum distance you should be from the television.

    TV Viewing Distance Chart
    Diagonal Size Minimum Viewing Distance Maximum Viewing Distance
    26" 3 ft. 6 ft.
    32" 3.5 ft. 7 ft.
    37" 4 ft. 8 ft.
    42" 5 ft. 10 ft.
    47" 6 ft. 12 ft.
    50" 6.5 ft. 13 ft.
    60" 7 ft. 15 ft.

    High Definition vs. Standard Definition

    Standard definition is analog signals with resolution of 480i (480 lines drawn onscreen in an interlaced pattern, odd lines separately from even), the format in which TV content is delivered over regular analog broadcasts and basic (non-digital) cable. On the best TVs, the picture quality can be very good or even excellent, but it doesn't compare to the best that HD can offer.

    Enhanced definition falls between standard and high definition. ED signals are digital, with resolution of 480p (480 lines scanned progressively). This is equivalent to DVD quality, which is a little better than standard definition but not as good as high definition. Some ED sets can accept HD signals, but they convert them to a lower resolution that they can display, so the picture quality won't match that of true HD. On the best EDTVs, it can be quite good.

    High definition offers the best TV viewing possible. HD is a digital-TV format that contains more and finer detail than other formats, so images can have almost lifelike clarity. The picture quality can be stunning, especially on a large, wide-screen set. In technical terms, HD images have higher definition, meaning more picture elements (lines or pixels) make up each image. Most HD broadcasts today are either 1080i (1,080 lines drawn on-screen separately in an odd/even pattern, then interlaced to form one image) or 720p (720 lines scanned in one sweep, or progressively). Another HD format, 1080p, has 1,080 lines drawn in a progressive pattern, which potentially yields the finest detail. This format isn't yet being used for TV broadcasts, but some HD DVDs that support 1080p are expected to arrive this year. TVs with 1080p native resolution have already started to appear on the market.

    The below chart explains further the difference between Standard and High Definition Signals.

    Resolution and Picture Quality Table
    Picture Quality Good Quality Better Quality Best Quality
    Standard Definition TV Standard Definition DVD Enhanced Definition TV 720p High Definition TV 1080i High Definition TV 1080p High Definition TV/Blu-Ray
    Aspect Ratio Full Screen 4:3 Full Screen 4:3/Widescreen 16:9 Widescreen 16:9 Widescreen 16:9 Widescreen 16:9 Widescreen 16:9
    Resolution 640 x 480 720 x 480 854 x 480 1280 x 720 1920 x 720 1920 x 720
    Scanning Interlaced Interlaced Progressive Progressive Interlaced Progressive

    Which Audio/Video Connection is the best?
    Connector Type Quality Signal Type Description
    HDMI Highest Digital HDMI (High-Definition Multimedia Interface) is an uncompressed, all-digital signal that combines both audio and video. This connection gives you the optimal 1080p signal and up to 7.1 channel sound.
    DVI Highest Digital DVI (Digital Video Interface) is a video connection that will deliver 1080p video signal, but it does not carry audio signals.
    Component Video Good Analog Component Video, or RGB, is an analog signal connection that splits the video into 3 separate signals, 2 for color and 1 for brightness. The maximum resolution on this connection type is 720p or 1080i.
    S-Video Decent Analog S-Video (S for Separate) is a type of component video signal because the color and brightness signals are transmitted on separate wires. S-Video is not used for high definition resolutions.
    Composite Video Average Analog Composite, or RCA, connections can be found on almost all video components. Color and brightness pass over the same cable. Although it is the most common connection found, it is also the least quality.