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LG 42LN5700 Service Manual

LG 42LN5700
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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5.2. Adjustment White balance
● W/B Equipment condition
CA210 : CH 9, Test signal : Inner pattern (80IRE) LAMP
Module
CH14 , Test signal : Inner pattern (80IRE) – LED Module
Above 5 minutes H/run in the inner pattern. (“power on” key of
adjust remote control)
The spec of color temperature and coordinate.
All
Cool (C50) 13,000k K
X=0.269
(±0.002)
Y=0.273
(±0.002)
<Test signal>
- Inner pattern
for W/B adjust
- External white
pattern (80IRE,
204gray)
Medium (0) 9,300k K
X=0.285
(±0.002)
Y=0.293
(±0.002)
Warm (W50) 6,500k K
X=0.313
(±0.002)
Y=0.329
(±0.002)
LA6xxx, LA7xxx, LA8xxx, LN5x Series (Normal Line)
H/R Time(Min)
Cool Medium Warm
x y x x y x
271 270 285 293 313 329
1 0-2 281 287 295 310 320 342
2 3-5 280 285 294 308 319 340
3 6-9 278 284 292 307 317 339
4 10-19 276 281 290 304 315 336
5 20-35 275 277 289 300 314 332
6 36-49 274 274 288 297 313 329
7 50-79 273 272 287 295 312 327
8 80-119 272 271 286 294 311 326
9 Over 120 271 270 285 293 310 325
LA6xxx, LA7xxx, LA8xxx, LN5x Series (Aging Chamber)
H/R Time(Min)
Cool Medium Warm
x y x x y x
271 270 285 293 313 329
1 0-5 280 285 294 308 319 340
2 6-10 276 280 290 303 315 335
3 11-20 272 275 286 298 311 330
4 21-30 269 272 283 295 308 327
5 31-40 267 268 281 291 306 323
6 41-50 266 265 280 288 305 320
7 51-80 265 263 279 286 304 318
8 81-119 264 261 278 284 303 316
9 Over 120 264 260 278 283 303 315
Connecting picture of the measuring instrument (On Automatic
control)
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER-ON -> Enter
the mode of White-Balance, the pattern will come out
Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked. (Illumination is less than 10ux).
(2) Adhere closely the Color Analyzer ( CA210 ) to the module
less than 10cm distance, keep it with the surface of the
Module and Color Analyzer’s Prove vertically.(80~100°).
(3) Aging time
- After aging start, keep the power on (no suspension of power
supply) and heat-run over 5 minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others, check the
back light on.
Auto adjustment Map(RS-232C)
RS-232C COMMAND
[ CMD ID DATA ]
Wb 00 00 White Balance Start
Wb 00 ff White Balance End
RS-232C COMMAND
[CMD ID DATA]
MIN CENTER
(DEFAULT)
MAX
Cool Mid Warm 00 Cool Mid Warm
R Gain Jg ja jd 00 172 192 192 192
G Gain Jh jb je 00 172 192 192 192
B Gain Ji jc jf 192 192 172 192
R Gain 64 64 64 128
G Gain 64 64 64 128
B Gain 64 64 64 128

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LG 42LN5700 Specifications

General IconGeneral
Display diagonal42 \
Native aspect ratio16:9
Native refresh rate60 Hz
LED backlighting type-
Supported video modes1080i, 1080p, 720p
Screen format adjustments4:3
Supported graphics resolutions1920 x 1080 (HD 1080)
Motion interpolation technologyTruMotion 120 Hz
3DNo
Photo effectsCinema, Vivid
Playback modesZoom
Volume controlDigital
Audio decodersDolby Digital, Dolby Digital DTS
RMS rated power20 W
Number of speakers2
HDMI ports quantity3
DVI-D ports quantity0
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Component video (YPbPr/YCbCr) in1
Consumer Electronics Control (CEC)SimpLink
Smart modesCinema, Game
Lifestyle appsSkype
Audio formats supportedAAC, AC3, MP3, PCM
Video formats supportedDIVX, DIVX HD, MPEG
Control typeButtons
Product colorBlack
Panel mounting interface200 x 200 mm
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.3 W
Power consumption (typical)41.4 W
Sustainability certificatesENERGY STAR
Package depth175 mm
Package width1150 mm
Package height659.8 mm
Package weight14197 g
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)234.9 mm
Height (with stand)627.8 mm
Weight (with stand)10704 g
Depth (without stand)78.9 mm
Width (without stand)967.9 mm
Height (without stand)565.9 mm
Weight (without stand)9616 g

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