37LE4500, 37LE4508, 37LE450N (CHASSIS:LD01D) - LG TV Service Manual (repair manual). Page 9

4) Updating is staring.

5) Uploading completed, The TV will restart automatically.
6) If your TV is turned on, check your updated version and

Tool option.(explain the Tool option, next stage)

* If downloading version is more high than your TV have,

TV can lost all channel data. In this case, you have to
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.

1) Push "IN-START" key in service remote controller 
2) Select “Tool Option 1” and Push “OK” button.
3) Punch in the number. (Each model hax their number)
4) Completed selecting Tool option.

(1) ADC

G

” key at “5. ADC

Calibration”

<Caution> Using  ‘power on’ button of the Adjustment R/C,

power on TV.

* ADC Calibration Protocol (RS232)

Adjust Sequence
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.

* Check display and sound

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

1) TV
2) AV (SCART1/SCART2/ CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60 Hz)
5) HDMI
6) PC Audio In
* Display and Sound check is executed by Remote control.

- 9 -

Item CMD1 CMD2 

 

Data0

Adjust ‘Mode In’

A

A

0

0 When transfer the ‘Mode In’,

Carry the command.

ADC Adjust

A 

D

1

0 Automatically adjustment

(The use of a internal pattern)