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6.HDCP(High-Bandwidth Digital
Contents Protection)
* confirmation
* Before HDCP Download, you have to Set the Configuration
that CMD delay.
-> Configuration -> Option-> I2C delay(Write Byte : 0.5
ms, Read Byte : 0.5ms,
Read CMD Byte : 0.5ms)
* Change the DDC -> After Write Data delay Time 20ms
* Check the Communication Clock -> 45KHz.
1) Connect D-sub Signal Cable to D-Sub Jack.
2) Input HDCP key with HDCP-key- in-program.
3) HDCP Key value is stored on Main M-STAR IC(LGE7871)
which is 0x80~0xA0 addresses of 0x00~0x01
page(EEPROM MAP PAGE0~PAGE1 / START :A080).
4) AC off/on and on HDCP button of MSPG925 and confirm
whether picture is displayed or not of using MSPG925.
5) HDCP Key value is different among the sets
7.Adjustment of White Balance
7.1 Purpose and Principle for adjustment
of the color temperature
- Purpose : Adjust the color temperature to reduce the
deviation of the module color temperature.
- Principle : To adjust the white balance without the
saturation,Fix the one of R/G/B gain to C0 and
decrease the others.
- Adjustment mode : Cool , Medium , Warm
** Required Equipment
- Remote controller for adjustment
- Color Analyzer : CA-210
- CH : 09 (LCD MNT, Normal) Ë M197WAP / M227WAP/
M237WAP
- Auto W/B adjustment instrument(only for Auto adjustment)
- PC (for communication through RGB)
- Pattern Generator (MSPG-925FS series. )
7.2 Connecting diagram of equipment for
measuring (For Automatic Adjustment)
(1) Enter the adjustment mode of DDC
- Set command delay time : 50ms
- Enter the DDC adjustment mode at the same time heat-
run mode when pushing the power on by power only
key
Copyright
LG Electronics. Inc. All right reserved.
Only for training and service purposes
- Maintain the DDC adjustment mode with same condition
of Heat-run
-> Maintain after AC off/on in status of Heat-run pattern
display)
(2) Release the DDC adjustment mode
- Release the adjust mode after AC off/on or std-by off/on
in status of finishing the Hear-run mode)
- Release the Adjust mode when receiving the aging off
command(F3 00 00) from adjustment equipment)
- Need to transmit the aging off command to TV set after
finishing the adjustment.)
- Check DDC adjust mode release by exit key and release
DDC adjust mode)
(3) Enter the adjust mode of white balance
Enter the white balance adjustment mode with aging
command(F3, 00, FF)
* Target Value CA-210(LCD MNT, Normal: CH 09
( Standard color coordinate and temperature when using the
CA210 equipment)
* Luminance min value is 130cd/m
Mode
Cool
0.285±0.003
Medium
0.295±0.003
Warm
0.313±0.003
mode(Typ: 170)
* Test Signal: Inner pattern (216gray,85IRE)
* 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.
* Don't push The "IN STOP KEY" after completing the function
inspection.
*When doing Adjustment, Please make circumstance as below.
- 17 -
2
in the cool/ medium/ warm
Color coordinate
X
Y
0.293±0.003
0.305±0.003
0.329±0.003
LGE Internal Use Only
Temp
11,000K
8,000K
6,500K
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