LG 32LH20D, Service Manual

Page: 7 / 65

Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only - 7 -
1) Optical characteristics are determined after the unit has been ‘ON’ and stable in a dark environment at 25±2°C
2) Surface luminance is the luminance value at center 1-point across the LCD surface 50cm from the surface with all pixels displaying
white.
No Item Min. Typ. Max. Remark
1 Viewing Angle R/L/U/D 178/178/178/178 CR >10
2 Luminance Luminance 400 500
Variation 1.3 PSM: Vivid, CSM: Cool, White: 100IRE
3 Contrast Ratio CR 800 1200 AllWhite, All Black
4 Color coordinate WHITE X 0.279
Y 0.292
RED X Typ. 0.639 Typ. PSM: Vivid, CSM: Cool, White: 85 IRE
Y +0.03 0.333 +0.03
GREEN X 0.292
Y 0.604
BLUE X 0.145
Y 0.064
P1
P2
P3
P4
P5
1W/4
2W/4
3W/4
1H/4
2H/4
3H/4
: Measurement position (5 point)
5. Chroma & Brightness
5.1 Module optical specifications
*** LGD module Uniformity Measurement Position ***
5.2 Chroma (PSM:Vivid, Color Temperature:Cool)
- except “RGB PC Mode PSM: Standard, Color Temperature: Medium”
** The W/B Tolerance is ±0.002 for Adjustment, but for DQA ±0.015
No Item Min Typ Max Remark
1. Cool White Balance, X axis 0.274 0.276 0.278 DQA : ±0.015
White Balance, Y axis 0.281 0.283 0.285 DQA : ±0.015 -PSM: Vivid, CSM: Cool,
2. Medium White Balance, X axis 0.283 0.285 0.287 DQA : ±0.015 White(85IRE),
White Balance, Y axis 0.291 0.293 0.295 DQA : ±0.015 Dynamic contrast : off,
3. Warm White Balance, X axis 0.311 0.313 0.315 DQA : ±0.015 Dynamic color :off
White Balance, Y axis 0.327 0.329 0.331 DQA : ±0.015