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Introduction
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01.Tour & Design
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02.Blacks & Whites
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03.Color Accuracy
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04.Motion
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05.Viewing Effects
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06.Calibration
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07.Connectivity
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08.Remote Control
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09.Audio & Menus
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10.Multimedia & Internet
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11.Power Consumption
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12.Samsung LN40B610 Comparison
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13.Sony KDL-40W5100 Comparison
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14.Vizio VL420M Comparison
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15.Conclusion
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16.Series Comparison
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17.Photo Gallery
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18.Ratings & Specs
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19.Comments
Toshiba Regza 42ZV650U
Previous: Page 2
Blacks & WhitesNext: Page 4
MotionColor Accuracy
Solid color performance. Unusual, obvious color banding in a small portion of the blue channel.
Color Temperature (9.45)
The chart below shows that the Toshiba 42ZV650U is quite good at maintaining a consistent color temperature. Rarely does it stray outside of ‘imperceptible limits,’ and when it does, the margin is quite small. Want to see what a poor performance looks like? Check out this Sylvania. More on how we test color temperature.
| Read Reviews of Comparison Products | ||
|---|---|---|
 Samsung LN40B610 |
 Sony Bravia KDL-40W5100 |
 VIZIO VL420M |
RGB Curves (8.44)
The Toshiba 42ZV650U showed a mixed performance. Almost every part of the curve is smooth, which indicates that color gradations should appear natural and seamless on the screen… everywhere except that huge gap in the blue channel. See that single instance of stair-stepping? We saw it with our own eyes on the screen. There’s a certain portion of the blue channel that the Toshiba 42ZV650U simply chokes on, resulting in this color banding that you see here. More on how we test RGB curves.
The color strips below are digital recreations of the test data from each of the TV’s. This is approximately what you would see on the screen if a strip of red, green, and blue was displayed, ranging from the darkest to the brightest input signal.
| Red Response Comparison | |
|---|---|
| Ideal Response |  |
| Toshiba Regza 42ZV650U |  |
| Samsung LN40B610 |  |
| Sony Bravia KDL-40W5100 |  |
| VIZIO VL420M |  |
| Green Response Comparisons | |
|---|---|
| Ideal Response |  |
| Toshiba Regza 42ZV650U |  |
| Samsung LN40B610 |  |
| Sony Bravia KDL-40W5100 |  |
| VIZIO VL420M |  |
| Blue Response Comparisons | |
|---|---|
| Ideal Response |  |
| Toshiba Regza 42ZV650U |  |
| Samsung LN40B610 |  |
| Sony Bravia KDL-40W5100 |  |
| VIZIO VL420M |  |
Color Gamut (7.08)
The Toshiba 42ZV650U matched up admirably to the rec. 709 color standard, one of the most common color standards for display devices. As you can see from the chart, the green and blue were slightly askew, but the red performance was very good, and the white point (that circle in the center) is quite accurate, as well. More on how we test peak color gamut.
The table below contains all the numeric details of the Toshiba Regza 42ZV650U’s color gamut performance, compared to the rec. 709 standards.
| Rec. 709 versus Toshiba Regza 42ZV650U | |||
|---|---|---|---|
| u' (rec.709/measured) | v' (rec.709/measured) | Error | |
| Red | 0.4507 / 0.4541 | 0.5229 / 0.5224 | 0.0034 |
| Green | 0.125 / 0.1191 | 0.5625 / 0.5632 | 0.0059 |
| Blue | 0.1754 / 0.1703 | 0.1579 / 0.1564 | 0.0053 |
| D65 (White) | 0.1978 / 0.1988 | 0.4683 / 0.4633 | 0.0051 |
| Other Models in the xxZV650U Series | |
|---|---|
| For more information on other models in this series, check our Series Comparison Page. | |
 Toshiba Regza 47ZV650U 47 in. |
 Toshiba Regza 55ZV650U 52 in. |
Shop for the Toshiba 42ZV650U
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