LG M2794D Service Manual

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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. Optical characteristic specification
6.1 Chroma &Brightness.
No. Item
Specification
Remark
Min typ Max
1. Viewing Angle<CR>10> Right/Left 70/70 85/85
Up/Down 60/70 75/85
2. Luminance Luminance
DVI or RGB
(cd/m2) 320 400 - Stnadard, 6500K
- Full White (100IRE)
Variance(%) 75 Min / Max
3. Contrast Ratio CR 700 1000 Full White/ Full black
4. Color Coordinates White Wx 0.313
[CIE 1931] Wy 0.329
RED Rx Typ 0.661 Typ DVI or RGB
Ry -0.03 0.318
+0.03
- Stnadard, 6500K
Green Gx 0.207 - Full White (100IRE)
Gy 0.668
Blue Bx 0.144
By 0.068
* Optical Test Condition
- Surrounding Brightness Level : dark
- Surrounding Temperature : 25 ± 5°C
- warm-up Time : 30 Min
- Contrast, Brightness : Outgoing condition
- *Incase of Vivid Mode, high level saturation may be occurred.Check gray linearity at standard mode.
* Active area
- Active area of LCD PANEL is in bezel of cabinet.
- Interval between active area and bezel
| A-B|<1.0 mm , | C-D|<1.0 mm
A: Interval between left of active area and bezel
B: Interval between right of active area and bezel
C: Interval between top of active area and bezel
D: Interval between bottom of active area and bezel
C
B
D
A
Active Area
Bezel
No Item Min Typ Max Remark
1. Cool Wx 0.283 0.285 0.287 AV Mode
(9300K) Wy 0.291 0.293 0.295 - RF/ AV1,2,3/ Component/ HDMI
2. Medium Wx 0.293 0.295 0.297 - Vivid
(8000K) Wy 0.203 0.305 0.307 - Cool/ Medium/ Warm: 85IRE
3. Warm Wx 0.311 0.313 0.315 - DTV Signal(16~235): Black Level ; Low
(6500K) Wy 0.327 0.329 0.331 - PC Signal(0~255): Black Level ; High
4. 6500k Wx 0.283 0.313 0.343 PC Mode
Wy 0.299 0.329 0.259 - RGB/ DVI
5. 9300k Wx 0.253 0.283 0.313 - Stnadard
Wy 0.268 0.298 0.328 - 6500K/ 9300K :Full White 100IRE
*Use channel 13 of CA-210,because this model is WCG Panel.
6.2 Chroma (PSM :PC Mode-Standard, AV Mode-Vivid)
** The W/B Tolerance is ±0.002 for Adjustment

LG M2794D Specifications

General

Pixel pitch	0.313 x 0.313 mm
Aspect ratio	16:9
Display diagonal	27 \
Vertical scan range	56 - 75 Hz
Horizontal scan range	30 - 83 kHz
Contrast ratio (dynamic)	20000:1
Contrast ratio (typical)	1000:1
Viewing angle, horizontal	170 °
Display brightness (typical)	400 cd/m²
Audio system	SRS Surround XT, Dolby
Power requirements	90 – 264 Vac, 47 – 63 Hz
TV tuner integrated	Yes
Component video (YPbPr/YCbCr) in	3
Certification	TÜV-Typ, CE, EPA Energy Star, UL, CSA, SEMKO, FCC-B
Product color	Black
Market positioning	-
Compliance industry standards	DDC 2B
LED indicators	Stand-by
Power consumption (standby)	1 W
Power consumption (typical)	100 W
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	210 mm
Width (with stand)	654 mm
Height (with stand)	496 mm
Weight (with stand)	8920 g