LG 28LB45 series Service Manual

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LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
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.
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.
<Caution>
- Do not connect HDMI & D-sub Cable when download EDID.
* Edid data and Model option download (RS232)
<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
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).
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
Tool Option1
Tool Option1
Inch
Tool
Maker
16423
MX33
LGD_IPS
26
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
EDID D/L
HDMI OK
RGB OK
Start
Reset
No. Item CMD 1 CMD 2 Data 0
Enter download
MODE
Download
‘Mode In’
A A 0 0 When transfer the ‘Mode
In’, Carry the command.
EDID data and
Model option
download
Download A E 00 10 Automatically download
(The use of a internal Data)

LG 28LB45 series Specifications

General

Brand	LG
Model	28LB45 series
Category	LED TV
Language	English