LG 24MA32D, Service Manual

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LGE Internal Use Only
Copyright © LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.1. ADC Process
3.1.1. ADC
1) Press the “ADJ” KEY on R/C and enter EZ ADJUST.
2) Enter ADC Calibration mode by pushing “►” key at “7.
ADC Calibration”.
3) Push the “Start” button.
4) ADC Calibration is executed automatically.
5) Press “EXIT” key on R/C.
* 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
3.2. EDID Process
3.2.1. EDID download
1) Press "Power only" key of service remote control.
2) Press the ADJ KEY on R/C and enter EZ ADJUST
3) Enter EDID D/L mode by pushing "►" key at "EDID D/L".
4) EDID download is executed automatically.
5) Press EXIT key on R/C.
→ Caution: - Never connect HDMI & D-sub Cable when
download EDID.
- Download HDMI1, HDMI2 separately because
HDMI1 is different from HDMI2.
* Edid data and Model option download (RS232)
3.2.2. RGB EDID Data
- 24MA32D (Product ID: 22889)
*(week), **(year), ***(Check sum) : Adjustable Data
3.2.3. HDMI EDID Data
- 24MA32D(Product ID :22890)
*(week), **(year), ***(Check sum) : Adjustable Data
**** (physical address) : (HDMI1 : 10, HDMI2 : 20),
****(Check sum) : (HDMI1 : F6, HDMI2 : E6)
3.3. Function Check
3.3.1. Check display and sound
*Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (SCART/CVBS)
3) COMPONENT (480i)
4) RGB(PC : 1920 x 1080 @ 60Hz)
5) HDMI1/2
6) PC Audio In
* Display and Sound check is executed by Remote controller
→ Caution : Not to push the INSTOP KEY after completion if the
function inspection.
NO Item CMD
1
CMD
2
Data 0
Enter
Adjust MODE
Adjust
‘Mode In’
A A 0 0 When transfer the
‘Mode In’,
Carry the command.
ADC
adjust
ADC
adjust
A D 1 0 Automatically adjustment
(The use of a internal
pattern)
NO Item CMD
1
CMD
2
Data 0
Enter
download
MODE
Download
‘Mode In’
A A 0 0 When transfer the
‘Mode In’,
Carry the command.
EDID data and
Model option
download
Download A E 00 10 Automatically download
(The use of a internal
Data)
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