Read LG 42LP360H (CHASSIS:LA3AA) Service Manual online
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4.2. DPM operation confirmation
(Only Apply for MNT Model)
Check if Power LED Color and Power Consumption operate
as standard.
■ Set Input to RGB and connect D-sub cable to set
■ Measurement Condition: (100~240V@ 50/60Hz)
■ Confirm DPM operation at the state of screen without Signal
4.3. DDC EDID Write (HDMI 256Byte)
■ Connect HDMI Signal Cable to HDMI Jack.
■ Write EDID DATA to EEPROM(24C02) by using DDC2B
protocol.
■ Check whether written EDID data is correct or not.
* For SVC Ass’y, EDID have to be downloaded.
4.4. EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
- Auto Download
■ After enter Service Mode by pushing “ADJ” key,
■ Enter EDID D/L mode.
■ Enter “START” by pushing “OK” key.
※
Edid data and Model option download (RS232C)
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 com-
mand
Edid data
and Model
option
download
Download
A
E
00
10
Automatically
download
(The use of a
internal Data)
※
Caution
* Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
=> Caution
- Never connect HDMI & D-sub Cable at the same time.
- Use the proper cables below for EDID Writing.
- Download HDMI1, HDMI2 separately because HDMI1 is
different from HDMI2.
For Analog EDID
For HDMI EDID
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
No.
Item
Condition
Hex Data
1
Manufacturer ID
GSM
1E6D
2
Version
Digital : 1
01
3
Revision
Digital : 3
03
●
EDID DATA
(1) HD EDID Data
CheckSum
Physical Address (0x9E)
HDMI 1
A4/5B
10
HDMI 2
A4/4B
20
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