32LG500H, 32LG505H (CHASSIS:LA66A) - LG TV Service Manual (repair manual). Page 14

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1) Adjusting PC with S/W for writing EDID Data.
2) A Jig for EDID Download
3) Cable: Serial (9Pin or USB) to D-sub 15Pin cable, D-sub

15Pin cable, DVI to HDMI cable.

- When input HDMI EDID data through RGB or HDMI jack,

writing 8bits of the data at every turn with 'DDC2B' protocol.

(1) DDC data of Analog-RGB

(2) DDC data of Digital-HDMI1

(3) DDC data of Digital-HDMI2

- Remote controller for adjustment 
- Color Analyzer (CA-210 or same product )
- Auto W/B adjustment instrument(only for Auto adjustment)
- Use inner(SELF) Pattern 

- Set TV input to RF.
- Operate the zero-calibration of the CA-210, Ch.9. 
- Then stick sensor to LCD module surface when you adjust. 
- For manual adjustment, it is also possible by the following

sequence.

1) Select white pattern of heat-run mode by pressing power

on key on remote control for adjustment then operate
heat run more than 15 minutes. 

2) Enter the White Balance adjustment mode by pressing

the INSTART key twice (White Balance) on R/C.

3) Stick sensor to center of the screen and select each

items using  

D

/

E

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

4) Adjust G Gain / B Gain using 

F

/

G

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

5) Adjust it until color coordination becomes as below. 

- By controlling G, B GAIN, adjust X, Y target value. 
- R Gain fixed at cool, normal, warm mode.
- But, Control the R GAIN, unless it has correct value

(Initially, R/G/B gain and R/G/B offset values are fixed as below.)
Red Gain: 80h

Green Gain:  80h

Blue Gain: 80h

Red Offset: 80h

Green Offset: 80h

Blue Offset: 80h 

*Target value

6) When adjustment is completed, Exit adjustment mode

using EXIT key on R/C.

<Fig.4> Connection Diagram of DDC download

X

Y

Temp (

∆

uv)

Cool

0.276 ± 0.002

0.283 ± 0.002

11000k (0.000)

Normal

0.285 ± 0.002

0.293 ± 0.002

9300k (0.000)

Warm

0.313 ± 0.002

0.329 ± 0.002

6500k (0.003)