LG 49LX761H, Service Manual

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Only for training and service purposes
4.5. CI+ Key checking method
(check the Section 4.2)
Check whether the key was downloaded or not at ‘In Start’
menu. (Refer to below).
=> Check the Download to CI+ Key value in LGset.
4.5.1. check the method of CI+ Key value
(1) check the method on Instart menu
(2) 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
4.5.2. 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
4.6. WIFI MAC ADDRESS CHECK
(1) Using RS232 Command
(2) check the menu on in-start
5. Manual Adjustment
5.1. ADC adjustment is not needed
because of OTP(Auto ADC adjustment)
5.2. EDID DATA
5.2.1 2D EDID
▪Reference
- HDMI1 ~ HDMI2
- In the data of EDID, below may be different by S/W or
Input mode.
ⓐ
Product ID
ⓑ
Serial No: Controlled on production line.
ⓒ
Month, Year: Controlled on production line
ex) Monthly : ‘01’
→
‘01’
Year : ‘2015’
→
‘19’
ⓓ
Model Name(Hex): LGTV
ⓔ
Checksum(LG TV): Changeable by total EDID data.
ⓕ
Vendor Specific(HDMI)
CMD 1 CMD 2 Data 0
A A 0 0
CMD 1 CMD 2 Data 0
A A 0 0
CMD 1 CMD 2 Data 0
C I 1 0
CMD 1 CMD 2 Data 0
C I 2 0
Command Set ACK
Transmission [A][l][][Set ID][][20][Cr] [O][K][x] or [N][G]
HEX EDID Table DDC
Function
0001 0100 Analog
0001 0100 Digital
ⓔ
1
ⓔ
2
8bit
HDMI1 40 1B
HDMI2 40 B
Chassis MODEL NAME(HEX)
LD5GG 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20
20 20
INPUT MODEL NAME(HEX)
HDMI1 67 03 0C 00 10 00 80 1E
HDMI2 67 03 0C 00 20 00 80 1E