Tool Option Selection; Edid Process; Function Check; Ci+ Key Writing Process(Device Cn) - LG 28LB45 series Service Manual

3.3. Tool option Selection

(1) Push "ADJ" key in service remote control.
(2) Select "Tool Option 1" and Push "OK" button
(3) Punch in the number. (Each model has their number.)
(4) Completed selecting Tool option.
EZ ADJUST
0. Tool Option1 ►
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option6
6. Country Group
7. Area Option

3.4. EDID Process

3.4.1. EDID download
(1) Press "Power only" key of service remote control.
(2) Press the "ADJ" key of service remote control.
(3) Enter EDID D/L mode by pushing "►" key at "12. EDID D/L".
(4) Select "Start" menu to download EDID data.
(5) Check the "OK" message.
(6) Press EXIT key on service remote control.
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option6
6. Country Group
7. Area Option
8. ADC Calibration
9. White Balance
10. 10 Point WB
11. Test Pattern
12. EDID D/L ►
13. Sub B/C
14. Touch Sensitivity Setting
15. Ext. Input Adjust
16. SPK Lipsync Adjust
17.SPDIF Lipsync Adjust
<Caution>
- Do not connect HDMI & D-sub Cable when download EDID.
* Edid data and Model option download (RS232)
No. Item CMD 1 CMD 2 Data 0
Enter download Download A
MODE 'Mode In'
EDID data and Download A
Model option
download
<Caution>
* Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
3.4.2. HDMI1 EDID Data - Checksum : 98 CE
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Tool Option1
Tool Option1
16423
Inch 26
Tool MX33
Maker LGD_IPS
EDID D/L
HDMI OK
RGB OK
Start Reset
A 0 0 When transfer the 'Mode
In', Carry the command.
E 00 10 Automatically download
(The use of a internal Data)

3.5. Function Check

3.5.1. Check display and sound
*Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (SCART/CVBS)
3) COMPONENT (480i)
4) HDMI(PC : 1366 x 768 @ 60Hz)
* Display and Sound check is executed by Remote control
<Caution> Not to push the INSTOP key after completion if the
function inspection.

3.6. CI+ key writing process(Device CN)

3.6.1. Communication Port Connection
Connection : PCBA(USB Port) → USB to Serial Adapter(UC-
232A) → RS-232C cable → PC(RS-232C port)
3.6.2. CI+ Key Download
(1) Set CI+ Key path Directory at Start Mac & CI+ Download
Programme.
(2) Set COM 1,2,3,4 / 115200(Baudrate)
(3) Click port connection button.
(4) Start CI+ Key Download, Push the button.
(5) Check OK or NG
(6) After completing download, CI + key values are increase
by one automatically. To write CI+ key next SET, click CI+
key writing button directly.
(7) Check whether the key was downloaded or not at 'In Start'
menu. (Refer to below).
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LGE Internal Use Only