32LG3DCH (CHASSIS:LA76B) - LG TV Service Manual (repair manual). Page 11

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- Check Input and Signal items. (cf. work instructions)

1) TV
2) AV (CVBS/ S-Video)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI
6) PC Audio In and H/P Out
* Display and Sound check is executed by Remote control.

1) W/B Equipment condition

CA210 : CH 9, Test signal: Inner pattern (85IRE)

2) Above 5 minutes H/run in the inner pattern. (“power on” key

of adjust remote control) 

3) 15 Pin D-Sub Jack is connected to the AUTO W/B

EQUIPMENT.

4) Adjust Process will start by execute I2C Command (Inner

pattern (0xF3, 0xFF)).

* Manual ADC process using Service Remo-con. After enter

Service Mode by pushing “ADJ” key, enter “W/B ADJUST” by
pushing “

G

” key at “ 3. W/B ADJUST”. (CA-210, CH-9)

* Adjust “R/G/B - GAIN” by pushing “

F

”, “

G

” key at “Cool”

* Adjust “R/G/B - GAIN” by pushing “

F

”, “

G

” key at “Medium”

* Adjust “R/G/B - GAIN” by pushing “

F

”, “

G

” key at “Warm”

1) Connect D-sub Signal Cable to D-Sub Jack.
2) Connect HDMI Signal Cable to HDMI Jack.
3) Write EDID DATA to EEPROM (24C02) by using DDC2B

protocol.

4) Check whether written EDID data is correct or not. (Refer to

Product spec).

5) Remark

A week manufacture in address 0x10 can be changed. And
thus Checksum (Address: 0x7F) can be also changed.

(1) ANALOG DATA 128Byte

- Remark: A week manufacture in address 0x10 can be

changed. And thus Checksum (Address: 0x7F) can be
also changed.

(2) DIGITAL DATA 256Byte

- Remark: A week manufacture in address 0x10 can be

changed. And thus Checksum (Address: 0x7F) can be
also changed.

Color Temperature

Cool

11,000

K

X=0.276 ± 0.003

<Test Signal>

Y=0.283 ± 0.003

Inner pattern

Medium

9,300

K

X=0.285 ± 0.003

(216gray, 85IRE)

Y=0.293 ± 0.003

Warm

6,500

K

X=0.313 ± 0.003

Y=0.329 ± 0.003