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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.2.4.4. Confirm PRESET 6500K Color coordinates and Adjust
PRESET 9300K Color coordinates .
· Set as Aging mode ON, by commanding AGING_ON/OFF
command code.
· Select Module that is being used in present production by
commanding MODULE SELECT. ( It is not needed so far.
However, it will be needed to apply other modules)
· Send SYSTEM RESET command to set Module data.
· Input Full White Pattern (Video level : 700 mVp-p)
· Set as 9300K by commanding COLOR_MODE_CHANGE
Command code.
· Check to meet x = 0.283 ± 0.03, y=0.298 ± 0.03, and confirm.
· Only if it does not meet, adjust as below steps.
· Adjust to meet x = 0.283 ± 0.01, y=0.298 ± 0.01 in 5 minutes. and
confirm.
· Save 9300K Color by commanding COLOR SAVE Command
code.
· Set as 6500K by commanding COLOR_MODE_CHANGE
Command code.
· Check to meet x = 0.313 ± 0.03, y=0.329 ± 0.03, and confirm.
· Only if it does not meet, adjust as below steps.
· Adjust to meet x = 0.313 ± 0.01, y =0.329 ± 0.01, and confirm.
· Save 6500K Color by commanding COLOR SAVE Command
code.
· Set as sRGB by commanding COLOR_MODE_CHANGE
Command code.
· Adjust to meet Y = 150 ± 50, and confirm.
· Save sRGB Color by commanding COLOR SAVE Command
code.
3.2.4.5. Confirm User color coordinates .
· Confirm Whether User color is saved same as 6500K.
· After confirming Color coordinates, Must return to 6500K
3.2.5 Confirm Operation state.
3.2.5.1 Operation mode : Confirm whether each appointed mode
operate correctly or not.
3.2.5.2 Confirmation of Adjustment condition and operation :
Confirm whether it meet Auto/Manual equipment Adjustment
standard or not.
· Confirm Analog screen state : Confirm screen state at below
mode.
Appointment mode (RGB input):
640*480 @60Hz (Mode 1),
800*600@75Hz(Mode 5),
1024*768@60Hz(Mode 8),
1280*1024@60Hz(Mode 12),
SMPTE pattern(Check 0%,5%,95%,100%)
–Mode can be added.
3.2.5.3. Confirm Auto adjustment operation.
· Input Analog 1 Dot on/off & Rectangle Pattern at Mode
12(1280x1024@60 Hz)
· Confirm adjustment operation by changing Clock, Phase, H/V
Position.
· Check Clock, Phase by pressing AUTO Key.
· Confirm first set of new lot by periods
3.2.5.4 Other quality
· Confirm that each items satisfy under standard condition that was
written product spec.
· Confirm Applying Module & MICOM Setting --> Confirm with
Service OSD
- Confirm at Service OSD by “Menu + Power key” on .(from
Power off)
- Confirm first set of new lot by periods, and confirm periodically
when there is Process change or Adjustment setting change.
3.2.5.5. OSD & Adjustment device Confirmation : Confirm
operation mentioned as product spec.
· Vary Brightness and Contrast and confirm the variation of
Luminance and display status.
· Operate the f-engine function and confirm variation of Luminance.
· Make sure to do FACTORY RESET after confirmation of OSD
function.
3.2.5.6. Confirm the display state by inputting 8 color Bar Pattern &
256 Gray Scale pattern.
3.2.5.7. DPM operation confirmation : Check if Power LED Color
and Power Consumption operates as standard.
· Measurement Condition : 230 V@ 50 Hz (Analog)
· Confirm DPM operation at the state of screen without Video
Signal.
3.2.5.8. RJ-45 input
· Connect input signal to RJ-45 input with LAN cable connected
network devices such as routers.
· Check USB 1.1 Port (Keyboard/ Mouse) : @RJ-45 input
· Check USB 2.0 Port (USB Memory Stick 2port) : @RJ-45 input
· Check Audio (Ear-phone out/Mic in/Speaker) : @RJ-45 input, PC
audio volume : MAX
* LAN cable
* Router
* PC: vSpace S/W for N+ ( Ver 4.5.xx.xx ) --- Caution: Ver
4.4.xx.xx for N1742L family
3.2.5.9. DDC EDID Write
( Set as Aging mode ON, by commanding AGING_ON/OFF
command code. )
1) SUFFIX: xxxxxPN
· Connect analog Signal Cable to D-sub wafer.
· Write EDID DATA to EEPROM(24C08) by using DDC2AB
protocol.
· Check whether written EDID data is correct or not.
(refer to Product spec).
--> After writing EDID, send Elapsed Time Clear command.
(Elapsed time should not be displayed, after EDID writing)
: Confirm periodically (in the first set of new lot, process change)
whether module name and aging time disappeared on the self-
diagnostics OSD with signal cable disconnected.
--> If Elapsed Time Clear command isn°Øt executed, module
name, aging time and TCO word appear on the self-diagnostics
OSD.(Module name and aging time should not appear after
writing EDID)
--> Make sure to do FACTORY RESET at the final process.
3.2.5.10. Shipping condition
· Contrast : 70
· Power Switch : Off
· Brightness : “100(Max)”
· Color Select : Preset ( 6500K )
· Language Select : Refer to product spec.
· OSD Position : Center
· Power indicator : ON
· Flatron f-engine : Normal
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