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PV154 - 923-03506 1-1 ZP26/28 - OVERVIEW
OVERVIEW
SECTION 1
The R56/65W28 and R50/60V26 are HDTV Monitors. This means that most of the components of a HDTV are present
except for the ASTC tuner. An HDTV receiver or converter box is required to view an ASTC signal. The W28 models feature
a 16:9 aspect ratio screen. But, it can display video in several different aspect ratios, including 16:9 and 4:3. More
features and specifications are listed below.
Currently the ZP-26/28 chassis is module level repair only. Schematics and PCB layouts are provided to assist in
troubleshooting. Follow the normal procedures required for module level repair.
FEATURES
ENHANCED HD LENS SYSTEM
New 4 Element enhanced lens system improves brightness
and focus over the previous 25 series and provides a
more natural looking and true-to-life picture.
HD FOCUS (W28 MODELS)
Automatic system that eliminates the need to manually
adjust the picture. Simply select HD focus from the
onscreen set-up menu, and in approximately 8-10
seconds, over 8,000 points on the screen are adjusted,
for perfect center to edge focus of the image.
DIGITAL FOCUS ARRAY (V26 MODELS)
New advanced convergence technology is more accurate
than previous digital convergence, and is set at the
factory by a computer. The 9-Point system actually looks
at 117 points, since it interpolates between points,
yielding an image that is sharp from center to edge.
R56W28 & R65W28 R50V26 & R60V26
OVERVIEW
IMPROVED-HD DRIVER
Most HDTVs use upconversion of analog signals (line-
doubling) to simulate an HD picture, which introduces
artifacts that appear as pixilated scenes due to digital
conversion. Improved-HD dramatically improves this
process and produces images free rom picture artifacts
by increasing both vertical and horizontal resolution. True
HD signals are not affected by this process, leaving them
as true to life as possible.
IMPROVED PICTURE
Zenith’s 26 and 28 series projection televisions feature a
.52mm screen pitch, improved image scaling, and new 7"
CRTs yielding sharper images and finer detail. This
represents significant improvement compared to our
previous 94/95/25 series. The screen also features a
scratch resistant coating.
3:2 PULLDOWN DETECTION
Most movies are shot on film, and film operates at a frame
rate of 24fps (frames per second), compared to video
which operates at 30fps, 3:2 pulldown properly detects
and syncs film to video for smooth theater like pictures
at home.