LG 42LY750H Service Manual page 10

3.5.1. 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)
CMD 1 CMD 2
A A
2) Check the key download for transmitted command
(RS232: ci 00 10)
CMD 1 CMD 2
C I
3) Result value
- Normally status for download : OKx
- Abnormally status for download : NGx
3.5.2. Check the method of CI+ key value(RS232)
1) Into the main ass'y mode(RS232: aa 00 00)
CMD 1 CMD 2
A A
2) Check the mothed of CI+ key by command
(RS232: ci 00 20)
CMD 1 CMD 2
C I
3) Result value
i 01 OK 1d1852d21c1ed5dcx
3.6. WIFI MAC ADDRESS CHECK
(1) Using RS232 Command
H-freq(kHz)
Transmission [A][I][][Set ID][][20][Cr]
(2) Check the menu on in-start
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Data 0
0 0
Data 0
1 0
Data 0
0 0
Data 0
2 0
CI+ Key Value
V-freq.(Hz)
[O][K][X] or [NG]
4. Manual Adjustment
* ADC adjustment is not needed because of OTP(Auto ADC
adjustment)
4.1. EDID DATA
4.1.1. 2D EDID
▪ Reference
- HDMI1 ~ HDMI2
- In the data of EDID, bellows may be different by S/W or
Input mode.
ⓐ Product ID
HEX
0001
0001
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Controlled on production line:
ex) Monthly : '01' → '01'
Year : '2013' → '17'
ⓓ Model Name(Hex): LGTV
Chassis
LD3BF 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
ⓔ Checksum(LG TV): Changeable by total EDID data.
ⓔ1
HDMI1 43
HDMI2 43
ⓕ Vendor Specific(HDMI)
INPUT
HDMI1
HDMI2
- 10 -
EDID Table DDC Function
0100 Analog
0100 Digital
MODEL NAME(HEX)
ⓔ2 ⓔ3
15 X
05 X
MODEL NAME(HEX)
67 03 0C 00 10 00 80 2D
67 03 0C 00 20 00 80 2D
LGE Internal Use Only