70LA8600-SA (CHASSIS:LJ34D) - LG TV Service Manual (repair manual). Page 18

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■  In  the  SET  applied  LED  module  (LM9600),  cause  of  the 
physical  characteristics  of  LED  Module,  sets  are  taken  a  120 
minutes by aging time to stabilize a color coordinates. 
    So  White  Balance  Control  equipments  have  to  get  the  SET 
Aging Time from the SET and then going to control the W/B by 
revise color coordinates at each time
   -  To  check  the  Coordinates  of  White  Balance,  you  have  to 
measure at the below conditions.
     Picture Mode : select Vivid and change  
     Dynamic Contrast : Off , 
     Dynamic Colour : Off, 
     Clear White : Off
     → Picture Mode change : Vidid → Vivid(User)
     ( If you miss the upper  condition,  the coordinates  of W/B can 
be lower than the spec.)
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 main Ass’y, EDID have to be downloaded to Insert 
Process in advance
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 (RS232)
● LA79/86/96-SA
HDMI  EDID Data(Model name = LG TV )
1) HDMI 1 Check sum : 0XE8, 0X81 (CEA Block 0x1E :10)
2) HDMI 2 Check sum : 0XE8, 0X71 (CEA Block 0x1E :20)
3) HDMI 3 Check sum : 0x E8, 0X61 (CEA Block 0x1E :30)
3) HDMI 4 Check sum : 0x E8, 0X51 (CEA Block 0x1E :40)
5.4. Magic Motion remote controller Check
5.4.1 Test equipment
-  RF-remote  controller  for  check,  IR-KEY-CODE  remote 
controller.
-  Check AA  battery  before  test. A  recommendation  is  that  a 
tester change battery every lots.
5.4.2. Test
(1)  Make pairing with TV set by pressing “Mute (START) key” 
on RCU.
(2)  Check  a  cursor  on  screen  by  pressing  ‘ENTER”  or  “OK” 
key of RCU
(3) Stop paring with TV set by pressing “VOL+ (STOP) key.
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)
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