19LD330, 19LD340, 19LD345 (CHASSIS:LP91H) - LG TV Service Manual (repair manual). Page 11

(1) Apply model

19/22/26/32LD330

(2) Process

1) Change the Input to RGB mode.
2) Press ADJ key on R/C for adjustment.
3) Enter Password number. Password is “0 0 0 0”.
4) Select “0. ADC calibration : RGB” by using 

D

/

E

(CH +/-)

and press ENTER(

A

).

5) ADC adjustment is executed automatically .
7) When ADC adjustment is finished, this OSD appear

Caution : No need to connect external input cable
Caution : Adjustment result is applied after SET Off/On

(1) Method

1) Push In-start key on Adjust remote-controller.
2) SW Version check

Check “SW VER : V3.xx”

(1) Profile : Must be changed the Area option value because

being different of each Country’s Language and
signal Condition.

(2) Equipment : adjustment remote control
(3) Adjustment method

- The input methods are same as other chassis.(Use IN-

START key on the Adjust Remocon.)

Refer to Job Expression of each main chassis assembly
(EBTxxxxxxxx) for Option value.

- 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 192 (default data)
and decrease the others.

- Adjustment mode : Three modes - Cool / Medium / Warm
- 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)

LCD TV : CH9

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

(For automatic adjustment)
- Connecting diagram of equipment for measuring

* LP91H Support RS-232C & I2C DDC Communication-White

Balance Mode.

(1) Enter the adjustment mode of DDC

- Set command delay time : 50 ms
- 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 150cd in the Cool/Medium/Warm

mode(For LCD)

(for Manual adjustment)
(1) Color analyzer(CA100+, CA210) should be used in the

calibrated ch by CS-1000

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

then stick sensor to the module when adjusting.

(3) 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.
4) Input external pattern (85% white pattern)
5) Push the ADJ key -> Enter “0000” (Password)
6) Select “3. W/B ADJUST”
7) Enter the W/B ADJUST Mode
8) 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.

9) Adjust R/ G/ B Gain using 

F

/

G

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

10) Adjust three modes all (Cool/ Medium/ Warm) : Fix the

one of R/G/B gain and change the others.

11) When adjustment is completed, Enter “COPY ALL”.
12) Exit adjustment mode using EXIT key on R/C.

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