LG 32MB25VQ, Руководство по обслуживанию

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Only for training and service purposes
4.2.5. Confirm Operation state.
4.2.5.1. Operation mode : Confirm whether each appointed mode
operate correctly or not.
4.2.5.2. 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*480 @60Hz (Mode 2), 800*600@75Hz(Mode 5)
1024*768@60Hz(Mode 6), 1280*1024@60Hz(Mode 9)
1680*1050@60Hz(Mode 11), 1920*1080@60HZ(Mode 12)
SMPTE pattern(Check 0%,5%,95%,100%)
– Mode can be added.
■ Check HDCP signal screen by using Video generator that
generate HDCP signal
4.2.5.3. Confirm Auto adjustment operation.
* Input Analog 1 Dot on/off & Rectangle Pattern at Mode
12(1920x1080@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
4.2.5.4. 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.
4.2.5.5. 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 Super+ Resolution function and confirm
variation of Luminance.
■ Make sure to do FACTORY RESET after confirmation of
OSD function.
4.2.5.6. Confirm the display state by inputting 8 color Bar Pattern
& 256 Gray Scale pattern.
4.2.5.7. DPM operation confirmation: Check if Power LED
breathing 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)
4.2.5.8. DDC EDID Write
- HDMI part EDID data
- 32MB25 does not need input HDMI EDID on the line, F/W
include HDMI EDID, aging on MODE If AC ON, HDMI EDID
is automatically loaded to EEPROM(24C02).
- Analog part EDID data
* Connect analog Signal Cable to D-sub wafer.
* Write EDID DATA to EEPROM(24C16) 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’t 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.
4.2.5.9. Shipping condition
■ Contrast : 70
■ Power Switch : Off
■ Brightness : “100(Max)”
■ Color Select : custom
■ Language Select : Refer to product spec.
■ OSD Position : Match Position with Key position
■ Power indicator : ON
■ Sound : ON
■ Check HDMI Audio headphone function, after check, please
set signal source to RGB Mode by Hand.