42LG80FR (CHASSIS:LP81G) - LG TV Service Manual (repair manual). Page 12

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- Detail EDID Options are below (A, B, C, D, E, F) 

A. Product ID
B. Serial No:  Controlled on production line
C. Month, Year: Controlled on production line:

ex)  Monthly: ‘09  ‘09

Year:  ‘2007 ->  ‘11’

D. Model Name(Hex): 

E. Checksum: Changeable by total EDID data

(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 EEPROM(AT24C64) which

is From “0x80” addresses of 0xA0 page

(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.
* Before HDCP Download, you have to Set th Configuration
that CMD delay. -> Configuration -> Option -> I2C(16 Byte
Write : 20ms, 128 Byte Read : 20ms, Read CMD Byte : 0.5ms,
I2C Clock : 45KHz

(1) Purpose : Adjust the color temperature to reduce the

deviation of the module color temperature.

(2) Principle : To adjust the white balance without the

saturation, Fix the one of R/G/B gain to C0 and
decrease the others.

(3) Adjustment mode : Two modes of Cool and Warm

(Medium data is automatically calibrated by the Cool data)

(4) Required Equipment

1) Remote controller for adjustment 
2) Color Analyzer : CA100+ or CA-210 or same product,

(Should be used in the calibrated ch by CS-1000 (CH9)

3) Auto W/B adjustment instrument(only for Auto

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

- 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)

* Luminance min value is 200cd/m

2

≥ in the cool mode (For LCD)

(1) Adjustment mode : Two modes (Cool and Warm)

(Medium data is automatically calibrated by the Cool data)

(2) Color analyzer(CA100+, CA210) should be used in the

calibrated ch by CS-1000(LCD : CH9, PDP : CH10)

(3) Operate the zero-calibration of the CA100+ or CA-210,

then stick sensor to the module when adjusting.

(4) For manual adjustment, it is also possible by the following

sequence.

1) Select white pattern of heat-run by pressing “POWER

ON” key on remote control for adjustment then operate
heat run longer than 15 minutes. (If not executed this
step, the condition for W/B may be different.)

2) Push “Exit” key.
3) Change to the AV mode by remote control.(Push front-

AV or Input key)

4) Input external pattern(85% white pattern)
5) Push the ADJ key two times (entering White Balance

mode)

6) Stick the sensor to the center of the screen and select

each items (Red/Green/Blue Gain and Offset) using

D

/

E

(CH +/-) key on R/C.

7) Adjust R/ G/ B Gain using F/G(VOL +/-) key on R/C.
8) Adjust two modes (Cool and Warm)

(Fix the one of R/G/B and change the others)

9) When adjustment is completed, Exit adjustment mode

using EXIT key on R/C.

Model name

Model Name(HEX)

LG TV

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