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5.2 Model name & Serial number Download
5.2.1 Model name & Serial number D/L
1) Press "Power on"key of service remote control.
2) Connect RS232 Signal Cable to RS-232 Jack.
3) Write Serial number by use RS-232.
4) Must check the serial number at the Diagnostics of SET UP
menu. (Refer to below).
5.2.2 method & notice
a. Serial number D/L is using of scan equipment.
b. Setting of scan equipment operated by Manufacturing
Technology Group.
c. Serial number D/L must be conformed when it is produced
in production line, because serial number D/L is mandatory
by D-book 4.0
* Manual Download (Model Name and Serial Number)
If the TV set is downloaded By OTA or Service man,
Sometimes model name or serial number is initialized.(Not
always)
There is impossible to download by bar code scan, so It need
Manual download.
1) Press the 'Instart' key of ADJ remote controller.
2) Go to the menu '5.Model Number D/L' like below photo.
3) Input the Factory model name(ex M2350D-PZM) or Serial
number like photo.
4) Check the model name Instart menu --> Factory name
displayed (ex M2350D-PZM)
5) Check the Diagnostics (DTV country only) --> Buyer model
displayed (ex M2350D)
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5.3. EDID & Tool option check
1) Check the EDID check sum.
2) Check th 'Tool option'.
5.4 Function Check
5.4.1 Check display and sound
* Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (SCART/CVBS)
3) COMPONENT (480i)
4) RGB
(PC : 1360 x 768 @ 60Hz - M1950D)
(PC : 1920 x 1080 @ 60hz - M2250D / M2350D / M2450D
/ M2550D)
5) HDMI
6) PC Audio In
* Display and Sound check is executed by Remote control.
5.4.2 PCMCIA CARD Check
You must adjust DTV 29 Channel and insert PCMCIA CARD
to socket.
- If PCMCIA CARD works normally, video signals will appear
on screen.
But it works abnormally, "No CA module" will appear on
screen.
--> Caution: Set up "RF mode" before launching products.
5.5 White balance adjustment
RGB_Gains are fixed data for each model.
Insert RS-232C Jack which is connected with PC for White
Balance or equivalent device.
--> Total Assembly line should be check whether the color
coordinate(x,y) data refer to below table were meet or not.
Cool
9,300k
Color
Medium
8,000k
Temperature
Warm
6,500k
Cool
M in : 120
Luminance
Medium
M in : 120
2
(cd/m
)
Warm
M in : 120
* 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 "
Balance".
- 14 -
X=0.283 (±0.03)
ºK
Y=0.298 (±0.03)
M1950D / M2250D
X=0.295 (±0.03)
ºK
M2350D / M2450D
Y=0.305 (±0.03)
M2550D
X=0.313 (±0.03)
ºK
Y=0.329 (±0.03)
Typ : 160
M1950D / M2250D
Typ : 160
M2350D / M2450D
Typ : 160
M2550D
"key at "6. White
G
LGE Internal Use Only
<Test Signal>
Inner pattern
(216gray,85IRE)
<Test Signal>
Inner pattern
216gray,85IRE)
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