LG M2550D Service Manual

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Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
No Item Min Typ Max Remark
1. C50:Cool
White Balance,X axis 0.255 0.285 0.315 DQA :±0.03 Measurement Condition
(9300k) White Balance,Y axis 0.263 0.293 0.323 DQA :±0.03 : After 30min aging
2. 0: Medium
White Balance,X axis 0.263 0.295 0.325 DQA :±0.03
(8000k) White Balance,Y axis 0.275 0.305 0.335 DQA :±0.03
3. W50: Warm
White Balance,X axis 0.283 0.313 0.343 DQA :±0.03
(6500k) White Balance,Y axis 0.299 0.329 0.359 DQA :±0.03
5. Optical Specification of SET
5.1 Color coordinate
** The W/B Tolerance is ±0.01 for Adjustment, but for DQA ± 0.03
5.2 Luminance and Contrast Ratio
- PC Mode(RGB)
No. Item Luminance(cd/m
2
) C/R Remark
Min Typ Max Min Typ
Measurement Condition
: After 30min aging
1 M23/2550D 180 200 - 800 1000
- AV Mode(RF, Component, HDMI)
No. Item Luminance(cd/m
2
) C/R(min) Remark
Min Typ Max RF, AV, COMPONENT, HDMI
1 M23/2550D 180 200 - 800 Measurement Condition
: After 30min aging
- DFC(RGB)
No. Item Luminance(cd/m
2
) Remark
Min Typ Max
1 M23/2550D 4M:1 5M:1 Measurement Condition(after 30min aging)
- Picture setting : Outgoing condition
- Should be measured at least after 30 seconds on DFC mode.
- Input signal : 100IRE White pattern (Pattern #4 :MSPG series)
- Full Black pattern (Pattern #2 : MSPG series)
- Equipment : CA-210 (Ch. 14 WLED) or equivalent device.

LG M2550D Specifications

General

3D	No
Aspect ratio	16:9
Display surface	Matt
Display diagonal	25 \
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	5000000:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	170 °
Digital vertical frequency	56 - 75 Hz
Digital horizontal frequency	30 - 83 kHz
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	1920 x 1080 (HD 1080)
Audio system	Dolby Surround X
TV tuner integrated	Yes
Screen format adjustments	4:3, 14:9, 16:9
Digital signal format system	DVB-C, DVB-T
Certification	TUV-GS, FCC-B, CE.
Product color	Black
Market positioning	-
Compliance industry standards	DDC2B
RMS rated power	6 W
Number of speakers	2
USB hub version	2.0
DVI-I ports quantity	0
LED indicators	Power
Tilt angle range	-5 - 15 °
Panel mounting interface	200 x 100 mm
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.3 W
Power consumption (typical)	50 W
Cables included	AC, VGA
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	180 mm
Height (with stand)	451 mm
Weight (with stand)	4850 g
Depth (without stand)	53 mm
Width (without stand)	595 mm
Height (without stand)	382 mm
Weight (without stand)	4280 g