LG 22MA33N, Service Manual

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- 11 - LGE Internal Use Only
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Only for training and service purposes
4. Total Assembly line process
4.1. Tool option & ADC Check
1) Press "Power on" key of service remote control.
2) Connect RS232 Signal Cable to RS-232 Jack.
3) Check the 'Tool Option' (Refer to the BOM Comments or
Adjustment spec)
4) Check the ‘ADC’ is ok.
4.2. Model name & Serial number Down-
load
4.2.1. Model name & Serial number D/L
1) Press "Power on" key of service remote control.
2) Connect RS232 Signal Cable to RS-232 Jack.
3) Write Serial number by use RS-232.
4) Must check the serial number at the Diagnostics of SET UP
menu. (Refer to below).
4.2.2. Method & notice
1) Serial number D/L is using of scan equipment.
2) Setting of scan equipment operated by Manufacturing
Technology Group.
3) Serial number D/L must be conformed when it is produced
in production line, because serial number D/L is mandatory
by D-book 4.0
* Manual Download (Model Name and Serial
Number)
If the TV set is downloaded By OTA or Service man, Some-
times model name or serial number is initialized.( Not always)
There is impossible to download by bar code scan, so It need
Manual download.
1) Press the 'Instart' key of ADJ remote controller.
2) Go to the menu 'Model Number D/L' like below photo.
3) Input the Factory model name(ex 24MN33D) or Serial
number like photo.
4) Check the model name Instart menu → Factory name
displayed (ex GP4-LOW)
5) Check the Diagnostics (DTV country only) → Buyer model
displayed (ex 24MN33D)
4.3. Function Check
4.3.1. Check display and sound
*Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1366 x 768 @ 60 Hz)
5) HDMI (PC : 1366 x 768 @ 60 Hz)
* Display and Sound check is executed by Remote controller
→ Caution : Not to push the INSTOP KEY after completion if
the function inspection.
4.3.2. PIP Check
1) Press "Power on" key of service remote control.
2) Input RGB & TV(ATV or DTV) signal.
3) Set Input mode to RGB.
4) Press ‘PIP" key of ADJ remote controller
5) Check TV Video & Audio signal of Sub picture.