DOWNLOAD LG 42PA450C-CM (CHASSIS:PA23A) Service Manual ↓ Size: 19.08 MB | Pages: 108 in PDF or view online for FREE

Model
42PA450C-CM (CHASSIS:PA23A)
Pages
108
Size
19.08 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pa450c-cm-chassis-pa23a.pdf
Date
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LG 42PA450C-CM (CHASSIS:PA23A) Service Manual ▷ View online

LG Electronics Inc.    Display Division
 
Establish : 2012/01/02 
Reform  : 2012/01/02 
PD23A/B 
 Adjust specification 
LG(55)C2-0661-00 
12/ 25 
 
 
 
 
 
 
 
 
 
                       
LG electronics 
              Wb          00              ff                White Balance End       
 
RS-232C COMMAND 
[CMD ID DATA] 
CENTER 
(DEFAULT) 
 
Cool Mid Warm 
MIN 
Cool
Mid Warm 
MAX 
R Gain 
jg 
Ja 
jd 
00 
192 
192 
192 
192 
G Gain 
jh 
Jb 
je 
00 
192 
192 
192 
192 
B Gain 
ji 
Jc 
jf 
00 
192 
192 
192 
192 
R Cut 
 
 
 
 
64 
64 
64 
128 
G Cut 
 
 
 
 
64 
64 
64 
128 
B Cut 
 
 
 
 
64 
64 
64 
128 
 
** Caution ** 
  Color Temperature : COOL, Medium, Warm. 
  One of R Gain/G Gain/ B Gain should be kept on 0xC0, and adjust other two lower than C0. 
  (when R/G/B Gain are all C0, it is the FULL Dynamic Range of Module) 
 
*
Manual W/B process
 using adjusts Remote control. 
■After enter Service Mode by pushing “ADJ” key, 
■Enter White Balance by pushing “►” key at “6. White Balance”. 
■Stick the sensor to the center of the screen and select each items(Red/Green/Blue Gain) using 
▲/▼(CH +/-) key on 
R/C. 
■Adjust R/G/B Gain using 
/ (VOL +/-) key on R/C. 
■Adjust three modes all(Cool/Medium/Warm) : Fix the one of R/G/B Gain and Change the others. 
■When the adjustment is completed, Enter “COPY ALL”. 
■Exit adjustment mode using EXIT key on R/C. 
 
 
LG Electronics Inc.    Display Division
 
Establish : 2012/01/02 
Reform  : 2012/01/02 
PD23A/B 
 Adjust specification 
LG(55)C2-0661-00 
13/ 25 
 
 
 
 
 
 
 
 
 
                       
LG electronics 
     
 
 
 
※
 After You finish all adjustments, Press “In-start” button and compare Tool option and Area option 
value with its BOM, if it is correctly same then unplug the AC cable. 
If it is not same, then correct it same with BOM and unplug AC cable. 
For correct it to the model’s module from factory JIG model. 
※
 Push The “IN STOP KEY” after completing the function inspection. And Mechanical Power Switch 
  must be set “ON”.   
 
※
 To check the coordinates of White Balance, you have to measure at the below conditions. 
Picture mode : Vivid, Energy Saving : Off, Below the Advanced control, Dynamic Contrast : Off, Dynamic 
Colour : Off   
Colour Temp.   
Cool Medium Warm 
30 0 30 
 
ΠPicture Mode change : Vivid Î Vivid(User)
 
 
 
4.3 DDC EDID Write (RGB 128Byte ) Æ Not used any more, Use Auto D/L 
■ Connect D-sub Signal Cable to D-Sub 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 DDC EDID Write (HDMI 256Byte) Æ Not used any more, Use Auto D/L 
■ 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. 
LG Electronics Inc.    Display Division
 
Establish : 2012/01/02 
Reform  : 2012/01/02 
PD23A/B 
 Adjust specification 
LG(55)C2-0661-00 
14/ 25 
 
 
 
 
 
 
 
 
 
                       
LG electronics 
* For SVC main Ass’y, EDID have to be downloaded to Insert Process in advance.
 
4.5 EDID DATA 
1) All Data : HEXA Value 
  2) Changeable Data : 
        *: Serial No : Controlled / Data:01 
        **: Month : Controlled / Data:00 
    ***:Year : Controlled 
    ****:Check sum 
 
4.6 EDID DATA Auto Download 
1) Press Adj. key on the Adj. R/C, 
2) Select EDID D/L menu. 
3) By pressing Enter key, EDID download will begin 
4) If Download is successful, OK is display, but If Download is failure, NG is displayed. 
5) If Download is failure, Re-try downloads. 
 
 
 
 
 Caution:   
Never connect HDMI & D-sub Cable when EDID downloaded. 
 
LG Electronics Inc.    Display Division
 
Establish : 2012/01/02 
Reform  : 2012/01/02 
PD23A/B 
 Adjust specification 
LG(55)C2-0661-00 
15/ 25 
 
 
 
 
 
 
 
 
 
                       
LG electronics 
※
 
Edid data and Model option download (RS232) 
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) 
 
 
 - 
Manual Download
 
※
 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 
 
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