LG 23MA73D, Руководство по обслуживанию

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Only for training and service purposes
4.4. White balance adjustment
RGB Gains are fixed data for each model. Insert RS-232C
Jack which is connected with PC for White Balance or equiva-
lent device.
* Total Assembly line should be check whether the color
coordinate(x,y) data refer to below table were meet or not.
*Note : x,y coordinates are drifted about 0.007 after 30 mins
heat-run. So checking color coordinate within 5-min at
total assembly line, consider x,y coordinates might be
up to 0.007 than x,y target of each color temperature.
*Note : Manual W/B process using adjusts Remote control.
1) After enter Service Mode by pushing "ADJ" key,
2) Enter "White Balance" by pushing "►" key at "White Bal-
ance".
* When doing Adjustment, Please make circumstance as
below.
4.5. DPM Operation check
■ Measurement Condition: 100~240V@ 50/60Hz
1) Set Input to RGB-PC and connect D-sub cable to set –
RGB Mode.
Set Input to HDMI1/2(with Input Label set to PC) and
connect HDMI1/2 cable to set – HDMI Mode
2) Cut off H sync or V sync of signal.
3) Check DPM operation refer to the below table.
■ HDMI2 DPM Operating condition with MHL
4.6. Model Name & SW Version & Adjust check.
* Press the ‘Instart’ key of ADJ remote controller
4.6.1. Model Name& SW Version Check
1) Check ‘Model Name’.
2) Check ‘S/W Version’ (Refer to the IC Ver. in the BOM)
4.6.2. Adjust Check
1) Check ‘Country Group’
2) Check ‘Area Option’
3) Check ‘Tool Option’ (Refer to the BOM Comments)
4) Check ‘Adjust ADC[Comp&RGB]’ is OK.
5) Check ‘EDID[RGB&HDMI1/2]’ is OK.
* After check all, Press the 'EXIT' key of ADJ remote controller
to go out SVC menu.
Operating Condition Sync
(H/V)
Video LED
(SET)
Wattage
(W)
Power S/W On Sleep mode -
RGB,HDMI
Off/Off Off Amber 1
G
WUG{––“Gv—›–•X G G G
XUG{––“Gv—›–•YG G G
YUG{––“Gv—›–•ZG G G
ZUG{––“Gv—›–•[G G G
[UG{––“Gv—›–•\G
\UG{––“Gv—› –•]G
G G
]UGj–œ•›™ Gn™–œ—G G G
^UGh™ŒˆGv—›–•G
_UGhkjGjˆ“‰™ˆ›–• G G G G G G G G G
G G
`UG~›ŒGiˆ“ˆ•ŠŒG G G G G G G G G G ඖ G G G
XWUGXWGw–•›G~iG G G G
XXUG{Œš›Gwˆ››Œ™•G G G G G
XYUGlkpkGkVs G G G G G G G G G G G G G G G G
XZUGzœ‰GiVjG
X[UG{–œŠGzŒ•š›› GzŒ››•ŽG
X\GlŸ›UGp•—œ›Gh‹‘œš›G
G G
G G G
~›ŒGiˆ“ˆ•ŠŒG
j–“–™G{Œ”—UG ඔG j––“G ඖG
yTnˆ•G G XWWG G
nTnˆ•G G XW[G G
iTnˆ•G G X`YG G
yTjœ›G G ][G G
nTjœ›G G ][G G
iTjœ›G G ][G G
{Œš›Twˆ››Œ™•G G vuG G
iˆŠ’“Ž›G G XWWG G
yŒšŒ›G G {–GzŒ›G G
Color
Temperature
Cool 9,300k °K X=0.290 (±0.03)
Y=0.298 (±0.03)
<Test Signal>
Inner pattern
(204gray,80IRE)
Medium 8,000k °K X=0.300 (±0.03)
Y=0.310 (±0.03)
Warm 6,500k °K X=0.318 (±0.03)
Y=0.334 (±0.03)
Luminance
(cd/m²)
Cool Min : 80 Typ : 110 <Test Signal>
Inner pattern
(204gray,80IRE)
Medium Min : 80 Typ : 110
Warm Min : 80 Typ : 110
HDMI2 Input MHL Cable HDMI & HDMI to DVI Cable
DPM X O