Local Dimming Inspection; Magic Motion Remote Controller Check; Wi-Fi Mac Address Check; Using Rs232 Command - LG 55LA7400 Service Manual

Model Tool 1 Tool 2
42LA6650-UA 132 45585
47LA6650-UA 133 45585
50LA6650-UA 4230 45585
55LA6650-UA 135 45585
47LA6900-UD 165 45585
55LA6900-UD 167 45585
50LA6900-UE 4230 45585
47LA7400-UD 181 45585
55LA7400-UD 183 45585
60LA7400-UD
47LA6450-UA 101 45585
※ Tool option can be reconstructed by Software

5.3. Local Dimming Inspection

(1) Press 'TILT" key of the Adj. R/C and check moving
patterns. The black bar patterns moves from top to bottom.
If a local dimming function does not work, a whole screen
shows full white.
<Local dimming All model except for 32LA6600-NE>
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Tool 3 Tool 4 Tool 5 Tool 6
29592 61425 14742 1354
29592 61425 14742 1354
28592 61725 6294 1354
29592 61425 14742 1354
29592 61425 14742 1354
29592 61425 14742 1354
28592 61725 6294 1354
29592 61425 14742 1354
29592 61425 14742 1354
6536 61725 14374 1353

5.4. Magic Motion remote controller Check

Tool 7
5.4.1. Test equipment
47659
▪ RF-remote controller for check, IR-KEY-CODE remote
47659
controller.
▪ Check AA battery before test. A recommendation is that a
46635
tester change battery every lots.
47659
47659
5.4.2. Test
47659
(1) Make pairing with TV set by pressing "Start key(Wheel
key)" on RCU.
46635
(2) Check a cursor on screen by pressing 'Wheel key" of RCU
47659
(3) Stop paring with TV set by pressing "Back+ Home" key of
RCU
47659
5.4.3. Applied models
42155
Chassis
LA33B 42/47/50/55LA6650-UA
※ Dongle Model : An USB dongle-type receiver will be
supplied in form of accessory.
So this pairing test is not necessary for these models

5.5. Wi-Fi MAC Address Check

5.5.1. Using RS232 Command

Transmission
5.5.2. Check the menu on in-start
- 19 -
Model Name Magic RF receiver
47/55LA6900-UD
50LA6900-UE
32/39/42/47/50/55/ Dongle
60LN5700-UA/UH
32/39/42/47/50/55/
60LN5750-UH
32LN570B-UH
47/55LN5790-UH
47/55LA6450-UA
Command Set ACK
[A][l][][Set ID][][20][Cr] [O][K][x] or [N][G]
LGE Internal Use Only
Built-in