LG 43LF5900, Service Manual

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Only for training and service purposes
4.2. LAN PORT INSPECTION(PING TEST)
4.2.1. Equipment setting
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test
Program.
*IP Number : 12.12.2.2.
4.2.2. LAN PORT inspection (PING TEST)
1) Play the LAN Port Test Program.
2) connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) remove LAN CABLE
4.3. ADC Adjust => No need at Assembly
line because of OPT type
* OTP mode
Automatic ADC Calibration. (Internal ADC Calibration) On the
manufacture line, OTP is used
for ADC Calibration automatically.
* External mode
Manual ADC Calibration. When OTP mode is failed, ADC
calibration should be “OK” by
using External mode.
- If you want re-adjust for ADC.
■ Enter Service Mode by pushing “ADJ” key,
■ Enter Internal ADC mode by pushing “►” key at “ADC
Calibration”
■ Adjustment protocol
Order Command Set response
(1) Inter the Adjustment mode aa 00 00 a 00 OK00x
(2) Change the Source xb 00 40 b 00 OK40x (Adjust 480i Comp1 )
(Adjust 1080p Comp1)
(3) Start Adjustment ad 00 10
(4) Return the Response OKx ( Success condition )
NGx ( Failed condition )
(5) Read Adjustment data ( main)
ad 00 20
( main )
ad 00 30
(main : component1 480i)
000000000000000000000000007c007b-
006dx
(main : component1 1080p)
000000070000000000000000007c0083
0077x
(6) Confirm Adjustment ad 00 99 NG 03 00x (Failed condition)
NG 03 01x (Failed condition)
NG 03 02x (Failed condition)
OK 03 03x (Success condition)
(7) End of Adjustment ad 00 90 d 00 OK90x