LG 15EL9500 Service Manual page 11

** Caution **
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
of Module)
* Manual W/B process using adjusts Remote control.
• After enter Service Mode by pushing "ADJ" key,
• Enter White Balance by pushing "
Balance".
* After done all adjustments, Press "In-start" button and
compare Tool option and Area option value with its BOM, if
it is correctly same then unplug the AC cable. If it is not
same, then correct it same with BOM and unplug AC cable.
For correct it to the model's module from factory Jig model.
* Push the "IN STOP" key after completing the function
inspection. And Mechanical Power Switch must be set
"ON".
4.2. DPM operation confirmation
(Only Apply for MNT Model)
Check if Power LED color and Power Consumption operate
as stanard.
• Set Input to RGB and connect D-sub cable to set.
• Measurement Condition: 100-240V~, 50 / 60 Hz.
• Confirm DPM operation at the state of screen without Signal.
4.3. DDC EDID Write (HDMI 256Byte)
• Connect HDMI Signal Cable to HDMI Jack.
• Write EDID Data to EEPROM(24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For SVC main Assembly, EDID have to be downloaded to
Insert Process in advance.
4.4. EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
Copyright ©2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
- Auto Download
" key at "6. White
G
- Manual Download
- 11 -
• After enter Service Mode by pushing "ADJ" key,
• Enter EDID D/L mode.
• Enter "START" by pushing "OK" key.
* Edid data and Model option download (RS232)
Item CMD1 CMD2 Data0
Download A A
'Mode In'
Download A E
* Caution
1) Use the proper signal cable for EDID Download
- Digital EDID : Pin3 exists
2) Never connect HDMI & D-sub Cable at the same time.
3) Use the proper cables below for EDID Writing
4) Download HDMI1, HDMI2, separately because HDMI1 is
different from HDMI2
For HDMI EDID
DVI-D to HDMI or HDMI to HDMI
Item
Manufacturer ID
Version
Revision
0 0 When transfer the 'Mode In',
Carry the command.
00 10 Automatically Download
(The use of a internal pattern)
Condition Data(Hex)
GSM 1E6D
Digital : 1 01
Digital : 3 03
LGE Internal Use Only