Samsung LE40C580

[gstriftos]

(+)

• Excellent HD Performance
• Excellent Design and Built Quality
• Accepts Blacker than Black (HDMI-RGB)
• Excellent Performance After Basic Calibration
• Very Good Primary Chromaticity and Excellent Greyscale
• Excellent Digital Noise Reduction
• Excellent GUI and User Configurable Options
• Inaudible Transformer Noise
• Responsive Remote
• Excellent Overall Uniformity
• Improved Sound Quality (in Comparison to 2009 Model)
• Excellent Dynamic Range and ANSI contrast Ratio
• Superb SD Performance via YPbPr and SCART (Including Freeview)
• Relatively Low Input Lag

(-)

• Viewing Angles (Excessive Gamma Shift)
• Perceptible Overdrive Error (Black Ghosting)
• Lack of True 24p Support
• Panel Lottery(*)
• Pixel Response (Room for Improvement)

Μια εξαιρετική τηλεόραση(κατά τον αρθογράφο τουλάχιστον) σε οικονομική κατηγορία τιμής.
Μειονένκτημα(σχετικό μεν) η συνήθεια των κατασκευαστών μην χρησιμοποιούν το ίδιο πάνελ στην ίδια σειρά τηλεοράσεων,τουλάχιστον όσον αφορά τα οικονομικά μοντέλα:
Panel Lottery(*):

Samsung unsurprisingly produced yet another winner that will appeal to consumers (including gamers) due its exceptional performance especially considering its price tag. In fact, I was so impressed with the Samsung LE40C580; I purchased one myself. To my surprise, the Samsung LE40C580 I received was embedded with an older SPVA panel (A02), which was made in China (our review unit sported the new A03 panel manufactured in Slovakia).

Upon testing, the A02 version produced ANSI black level of 0.04 cd/m2. It also had the classic white tinting and certain degree of backlight bleed, which did vanish following break-in. The response time on the A02 version was identical to the A03 version but did lag in certain circumstances (dark tones), and the A02 did require greyscale calibration as the default setting was too warm. Aside from the minor differences, both LCD panels are an improvement over the 2009 version, and both share the same pixel structure.

After reading the above, I’m sure many will try and hunt for the A03 version of Samsung LE40C580 in hopes of obtaining slightly better blacks, but in my honest opinion it’s best not to unless the panel purchased suffers from poor blacks, dead pixels or clouding. If an individual already has an A02 panel, it is better to retain it, since the replacement model may contain the MVA panel from CMO, which could be much worse. However, if an individual notices persistent “grey ghosting”, then it may be worth attempting to obtain an A-MVA panel by AUO as they are known have better pixel response (in comparison to the latest S-PVA panel).

Samsung is no stranger to panel lottery and such dealings are not exclusive to Samsung. It is in fact a common practice among manufacturers. As far as I’m aware, only Sharp and Panasonic embed in-house panels on the majority of their product line-up.

Please note that the main review is based on the Samsung LTF400HM01 (A03-Slovakia) panel, and apart from the white uniformity and black level, the A02 (LTF400HM01 – China) version is essentially identical to the A03. In the LE40C580, Samsung has produced an excellent HDTV that is extremely difficult beat in terms of cost vs. performance (regardless of the panel), and therefore has earned our Highly Recommended award.

Πηγή:http://www.hdtvtest.co.uk/news/samsung-le40c580-le32c580-20100728791.htm