Adjustment Instruction - LG 55WT30MS Service Manual

1. Application Range
This spec sheet is applied all of the Digital Signage Product
with LW36D chassis.
2. Designation
1) The adjustment is according to the order which is designat-
ed and which must be followed, according to the plan which
can be changed only on agreeing.
2) Power adjustment : Free Voltage.
3) Magnetic Field Condition: Nil.
4) Input signal Unit: Product Specification Standard.
5) Reserve after operation: Above 5 Minutes (Heat Run)
Temperature : at 25 °C ± 5 °C
Relative humidity : 65 % ± 10 %
Input voltage : 220V, 60Hz
6) Adjustment equipments : Color Analyzer (CA-210 or CA-
110), DDC Adjustment Jig equipment, SVC remote control-
ler.
7) Push The "IN STOP KEY" – For memory initialization.
Case1 : Software version up
1) After downloading S/W by USB , Multi-vision set will
reboot automatically
2) Push "In-stop" key
3) Push "Power on" key
4) Function inspection
5) After function inspection, Push "In-stop" key.
Case2 : Function check at the assembly line
1) When TV set is entering on the assembly line, Push "In-
stop" ke y at first.
2) Push "Power on" key for turning it on.
→ If you push "Power on" key, TV set will recover channel
information by itself.
3) After function inspection, Push "In-stop" key.
3. Main PCB check process
3.1. ADC Process
3.1.1. ADC
· Enter Service Mode by pushing "ADJ" key,
· Enter Internal ADC mode by pushing "►" key at "ADC Cali-
bration"
→ Caution: Using 'power on' button of the Adjustment R/C ,
power on Multi-vision.
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes

ADJUSTMENT INSTRUCTION

- 10 -
* ADC Calibration Protocol (RS232)
NO Item CMD
1
Enter Adjust A
Adjust MODE 'Mode In'
ADC adjust ADC A
Adjust
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.
3.2. DDC EDID Download
- Auto Download
· After enter Service Mode by pushing "ADJ" key,
· Enter EDID D/L mode.
· Enter "START" by pushing "OK" key.
→ Caution: Never connect HDMI & D-sub Cable when EDID
downloaded.
* EDID data and Model option download (RS232)
NO Item CMD
1
Enter Download A
download 'Mode In'
MODE
EDID data and Download A
Model option
download
CMD Data 0
2
A 0 0 When transfer the
'Mode In',
Carry the command.
D 1 0 Automatically download
(The use of a internal
Data)
CMD Data 0
2
A 0 0 When transfer the
'Mode In',
Carry the command.
E 00 10 Automatically download
(The use of a internal
Data)
LGE Internal Use Only