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LG Flatron L1972H - Operation Confirmation and EDID Management

LG Flatron L1972H
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- 11 -
Copyright
2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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
equipement Adjustment standard or not.
Confirm Analog screen state : Confirm screen
state at below mode.
Appointment mode : 640*350 @ 70Hz (Mode 1),
800*600@75Hz(Mode 6)
1024*768@60Hz(Mode8),
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(1280*1024@60Hz).
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 + Powerkey" 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 : 230V@ 50Hz (Analog)
Confirm DPM operation at the state of screen
without Video Signal.(refer to Spec at Page 11)
3.2.5.8. DDC EDID Write ( Set as Aging mode ON, by
commanding AGING_ON/OFF command code. )
- Digital part EDID data
Confirm whether module selection is correct or
not on the self-diagnostics OSD with signal cable
disconnected.
Connect Digital Signal Cable to DVI-D wafer.
Write EDID DATA to EEPROM(24C02) by using
DDC2B protocol.
Check whether written EDID data is correct or
not. (refer to Product spec).
- Analog part EDID data
Connect analog Signal Cable to D-sub wafer.
Write EDID DATA to EEPROM(24C02) by using
DDC2B protocol.£®NOVATEK dual and odc
model£©
Write EDID DATA to EEPROM(24C02) by using
DDC2AB protocol.£®Mstar dual model£©
Check whether written EDID data is correct or
not. (refer to Product spec).
--------------------------------------------------------------------------------------
- Analog part EDID data
Connect analog Signal Cable to D-sub wafer.
Write EDID DATA to EEPROM(24C02) by using
DDC2B protocol.
Check whether written EDID data is correct or
not. (refer to Product spec).
(Mstar ODC model only)
--------------------------------------------------------------------------------------
-> 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 isnt 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.
3.2.5.9. 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 Mode

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