LG 50PA550T-ZB (CHASSIS:PD21B) Service Manual ▷ View online
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* 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 Ad-
vanced control, Dynamic Contrast : Off, Dynamic Colour : Off
Colour Temp.
-> Picture Mode change : Vivid -> Vivid(User)
4.3. DDC EDID Write (RGB 128Byte)
-> 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)
-> 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.
* 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.
■ Edid data and Model option download (RS232)
- 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 dif-
ferent from HDMI2.
Cool
30
Medium
0
Warm
30
NO
Enter
download MODE
EDID data Model
option download
Item
download ‘Mode In’
download
CMD 1
A
A
CMD 2
A
E
Data 0
0
00
0
10
When transfer the
‘Mode In’,
Carry the command.
Automatically download
(The use of a internal
pattern)
No.
Item
Condition
Hex Data
1
Manufacturer ID
GSM
1E6D
2
Version
Digital : 1
01
3
Revision
Digital : 3
03
For Analog EDID
For HDMI EDID
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
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* 2D FHD EDID data
- 2D FHD RGB EDID data
- 2D FHD HDMI1 EDID data
- 2D FHD HDMI2 EDID data
- 2D FHD HDMI3 EDID data
* Vender ID
* Checksum: Changeable by total EDID data.
4.7. Checking the EYE-Q Operation.
(1) Press the EYE Key on the adjustment remote controller.
(2) Check the Sensor DATA ( It must be under 10) and keep
the data longer than 1.5s
(3) Check ‘OK’
(Sensor DATA 0 ~ 4095, Power Saving Mode 0 ~ 12)
* IF you press IN-STAP Button, change Green Eye-check
OSD.
Input
HEX
HDMI1
10
HDMI2
20
HDMI3
30
EDID C/S data
2D-FHD
HDMI
RGB
check sum
(Hex)
Block 0
0x63
0x7C
Block 1
0x76(HDMI1)
0x66(HDMI2)
0x56(HDMI3)
0x66(HDMI2)
0x56(HDMI3)
EDID C/S data
2D-HD
HDMI
RGB
check sum
(Hex)
Block 0
0x3F
0x58
Block 1
0xFC(HDMI1)
0xEC(HDMI2)
0xEC(HDMI2)
0xDC(HDMI3)
Green Eye-Check(Factory Mode)
Sensor Data
9
Power saving mode
1
OK
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5. Model name & Serial number Download
5.1. Model name & Serial number D/L
■ Press “Power on” key of service remocon.(Baud rate :
115200 bps)
■ Connect RS232 Signal Cable to RS-232 Jack.
■ Write Serial number by use RS-232.
■ Must check the serial number at signal test of customer sup-
port. (Refer to below).
5.2. Signal TABLE
CMD: A0h
LENGTH
: 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + LENGTH + ADH + ADL + Data_1 + … + Data_n
Delay : 20ms
5.3. Command Set
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart,
0, Phase
Data write : Model Name and Serial Number write in EEP-
ROM,.
5.4. 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,
Sometimes 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 ‘5.Model Number D/L’ like below photo.
3) Input the Factory model name or Serial number like
photo.
4) Check the model name Instart menu -> Factory name
displayed.
5) Check the Diagnostics (DTV country only) -> Buyer
model displayed
6. Download CI+ Key (EU model only)
* Connect TV SET and PC which download keys Writing pro-
gram by RS232C-Cable
(1) Start “CIKeyl.exe”Program and Click (3) Button to connect
TV and PC.
(2) Click (5) to download CI+ Key.
43 When download succeed, you can see “OK” on (6)
CMD LENGTH
ADH
ADL
DATA_1 ...
Data_n
CS
DELAY
No.
1
Adjust mode
EEPROM WRITE
CMD(hex)
A0h
LENGTH(hex)
84h+n
Description
n-bytes Write (n = 1~16)
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■ Check the method of RS232C Command
(1) into the main ass’y mode (RS232 : aa 00 00)
(2) check the key download for transmitted command
(RS232 : ci 00 10)
(3) result value
- normally status for download : OKx
- abnormally status for download : NGx
■ Check the method of CI+ Key value (RS232)
(1) into the main ass’y mode (RS232 : aa 00 00)
(2) check the mothed of CI+ key by command
(RS232 : ci 00 20)
(3) result value
i 01 OK 1d1852d21c1ed5dcx
└──> CI+ Key Value
7. Download MAC Address, CI+ Key
and widevine Key.
- Check whether the key was downloaded or not at ‘In Start’
menu. (Refer to below).
-> MAC Address need only DVB-T2 Model (ex.50PA650T-ZA).
* Connect TV SET and PC which download keys Writing
program by RS232C-Cable
1) Start “MAC+CIKeyl.exe”Program and Click (3) Button to
connect TV and PC.
2) Click (4) to download MAC Address.
3) Click (5) to download CI+ Key.
4) When download succeed, you can see “OK” on (6)
* Each Chassis has it’s own MAC Address. Please be careful
of download.
■ Check the method of RS232C Command
(1) into the main ass’y mode (RS232 : aa 00 00)
(2) check the key download for transmitted command
(RS232 : ci 00 10)
(3) result value
- normally status for download : OKx
- abnormally status for download : NGx
8. SW Download Guide.
* Put a *.bin to USB Stick and Turn on TV
(1) Put the USB Stick to the USB socket
(2) Automatically detecting update file in USB Stick
* If your downloaded program version in USB Stick is Low,
it didn’t work.
But your downloaded version is High, USB data is auto-
matically detecting.
(3) Show the message “Copying files from memory”
(4) Updating is staring.
(5) Updating Completed, The TV will restart automatically.
After turn on TV, Please press ‘IN-STOP’ button on ADJ
Remote-control.
* IF you don’t have ADJ R/C, enter ‘Factory Reset’ in OP-
TION MENU.
(6) When TV turn on, check the Updated version on Diagnos-
tics MENU.
CMD1
CMD2
Data 0
A
A
0
0
CMD1
CMD2
Data 0
C
1
1
0
CMD1
CMD2
Data 0
A
A
0
0
CMD1
CMD2
Data 0
C
1
1
0
CMD1
CMD2
Data 0
A
A
0
0
CMD1
CMD2
Data 0
C
1
1
0
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