LG 42LW5500-ZE / 42LW550T-ZE / 42LW550W-ZE / 42LW551C-ZE / 42LW5590-ZE (CHASSIS:LD12C) Service Manual ▷ View online
- 11 -
2) MAC Address Download
- Com 1,2,3,4 and 115200(Baud rate)
- Port connection button click(1)
- Port connection button click(1)
- Load button click(2) for MAC Address write.
- Start MAC Address write button(3)
- Check the OK Or NG
- Start MAC Address write button(3)
- Check the OK Or NG
3.3. LAN Inspection
(1) Equipment & Condition
A
Each other connection to LAN Port of IP Hub and Jig
(2) LAN inspection solution
A
LAN Port connection with PCB
A
Network setting at MENU Mode of TV
A
setting automatic IP
A
Setting state confirmation
-> If automatic setting is finished, you confirm IP and
MAC Address.
3.4. LAN PORT INSPECTION(PING TEST)
Connect SET -> LAN port == PC -> LAN Port
(1) Equipment setting
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test
2) Input IP set up for an inspection to Test
Program.
*IP Number : 12.12.2.2
*IP Number : 12.12.2.2
(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
2) Connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) Remove LAN CABLE
3.5. Model name & Serial number Download
(1) Model name & Serial number D/L
A
Press “Power on” key of service remote control.(Baud
rate : 115200 bps)
rate : 115200 bps)
A
Connect RS232 Signal Cable to RS-232 Jack.
A
Write Serial number by use RS-232.
A
Must check the serial number at Instart menu.
(2) Method & notice
A. Serial number D/L is using of scan equipment.
B. Setting of scan equipment operated by Manufacturing
B. Setting of scan equipment operated by Manufacturing
Technology Group.
C.Serial number D/L must be conformed when it is
produced in production line, because serial number D/L
is mandatory by D-book 4.0
is mandatory by D-book 4.0
SET
PC
- 12 -
* Manual Download (Model Name and Serial Number)
If the TV set is downloaded by OTA or service man,
sometimes model name or serial number is initialized.(Not
always)
There is impossible to download by bar code scan, so It
need Manual download.
a. Press the ‘instart’ key of ADJ remote control.
b. Go to the menu ‘5.Model Number D/L’ like below photo.
c. Input the Factory model name(ex 42LW950-ZA) or Serial
sometimes model name or serial number is initialized.(Not
always)
There is impossible to download by bar code scan, so It
need Manual download.
a. Press the ‘instart’ key of ADJ remote control.
b. Go to the menu ‘5.Model Number D/L’ like below photo.
c. Input the Factory model name(ex 42LW950-ZA) or Serial
number like photo.
d. Check the model name Instart menu -> Factory name
displayed (ex 42LW750S-ZA)
e. Check the Diagnostics (DTV country only) -> Buyer model
displayed (ex 42LW750S-ZA)
3.6. CI+ Key Download method
3.6.1. Download Procedure
(1) Press "Power on" button of a Service Remote control.
(Baud rate : 115200 bps)
(2) Connect RS232-C Signal Cable.
(3) Write CI+ Key through RS-232-C.
(4) Check whether the key was downloaded or not at ‘In Start’
(3) Write CI+ Key through RS-232-C.
(4) Check whether the key was downloaded or not at ‘In Start’
menu. (Refer to below).
=> Check the Download to CI+ Key value in LGset.
3.6.2. Check the method of CI+ Key value
(1) check the method on Instart menu
(2) check the method of RS232C Command
(2) check the method of RS232C Command
1) into the main ass’y mode (RS232 : aa 00 00)
2) check the key download for transmitted command
(RS232 : ci 00 10)
3) result value
- normally status for download : OKx
- abnormally status for download : NGx
- abnormally status for download : NGx
3.6.3. Check the method of CI+ Key value (RS232)
1) into the main ass’y mode (RS232 : aa 00 00)
2) Check the method of CI+ key by command (RS232 : ci
00 20)
3) Result value
i 01 OK 1d1852d21c1ed5dcx
3.7. Widevine Key Download method
3.7.1. Widevine key Download
(1) Press "Power on" button of a Service Remote control
(Baud rate : 115200 bps)
(2) Connect RS232-C Signal Cable.
(3) Write Widevine Key through RS-232-C.
(4) Check whether the key was downloaded or not at ‘In Start’
(3) Write Widevine Key through RS-232-C.
(4) Check whether the key was downloaded or not at ‘In Start’
menu. (Refer to below).
=> Check the Download to Widevine Key value in LGset.
3.7.2. check the method of Widevine Key value.
(1) Check the method on Instart menu.
(2) Check the method of RS232C Command.
(2) Check the method of RS232C Command.
1) into the main ass’y mode (RS232 : aa 00 00)
2) Check the key download for transmitted command
(RS232 : ci 00 10)
3) result value
- normally status for download : OKx
- abnormally status for download : NGx
-
- abnormally status for download : NGx
-
3.7.3 check the method of Widevine Key value (RS232)
1) into the main ass’y mode (RS232 : aa 00 00)
2) Check the method of Widevine key by command
(RS232 : ci 00 20)
3) result value
i 01 OK 1d1852d21c1ed5dcx
CMD 1
CMD 2
Data 0
A
A
0
0
CMD 1
CMD 2
Data 0
C
I
1
0
CMD 1
CMD 2
Data 0
A
A
0
0
CMD 1
CMD 2
Data 0
C
I
2
0
CMD 1
CMD 2
Data 0
C
I
2
0
CI+ key Value
CMD 1
CMD 2
Data 0
A
A
0
0
CMD 1
CMD 2
Data 0
C
I
1
0
CMD 1
CMD 2
Data 0
A
A
0
0
Widevine key Value
- 13 -
3.8. Mac+Widevine+GP3 BCM CI+ download
3.8.1 Connect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port
3.8.2 MAC Address, CI Plus key and Widevine Key write.
11Y LCD TV + MAC + Widevine + GP3_BCM CI Plus
(1) Equipment setting
- Play file: keydownload.exe
- select the download items.(MARLIN)
- select the download items.(MARLIN)
(2) Communication Prot connection
- Key Write :Com 1,2,3,4 and 115200(Baudrate)
- Barcode : Com 1,2,3,4 and 9600(Baudrate)
- Barcode : Com 1,2,3,4 and 9600(Baudrate)
(3) Mode check: Online Only
(4) Check the test process: DETECT -> MAC -> CI ->
(4) Check the test process: DETECT -> MAC -> CI ->
WIDEVINE
(5) Play: START
(6) Result: Ready, Test, OK or NG
(6) Result: Ready, Test, OK or NG
3.9. LNB voltage and 22KHz tone check
- only for DVB-S/S2 model
(1) Test method
(1) Test method
1) Press "Power on" button of a service Remote control.
(Baud rate : 115200 bps)
2) Connect cable between satellite ANT and test JIG.
3). Connect RS232-C Signal Cable.
4) Write LNB ON control command through RS-232-C.
5) check LED light ‘ON’ at 18V menu.
6) check LED light ‘ON’ at 22KHz tone menu.
7) Write LNB OFF control command through RS-232-C.
8) check LED light ‘OFF’ at 18V menu.
9) check LED light ‘OFF’ at 22KHz tone menu.
3). Connect RS232-C Signal Cable.
4) Write LNB ON control command through RS-232-C.
5) check LED light ‘ON’ at 18V menu.
6) check LED light ‘ON’ at 22KHz tone menu.
7) Write LNB OFF control command through RS-232-C.
8) check LED light ‘OFF’ at 18V menu.
9) check LED light ‘OFF’ at 22KHz tone menu.
(2) RS-232 command for test LNB
(3) Test result
- After send LNB On command, ‘18V LED’ and ‘22KHz
tone LED’ should be ON.
- After send LNB OFF command, ‘18V LED’ and ‘22KHz
tone LED’ should be OFF.
4. Manual Adjustment
4.1. ADC(GP3) Adjustment
4.1.1. Overview
ADC adjustment is needed to find the optimum black level and
gain in Analog-to-Digital device and to compensate RGB
deviation.
gain in Analog-to-Digital device and to compensate RGB
deviation.
4.1.2. Equipment & Condition
(1) Adjust Remote control
(2) 801GF(802B, 802F, 802R) or MSPG925FA Pattern Generator
(2) 801GF(802B, 802F, 802R) or MSPG925FA Pattern Generator
- Resolution :
480i, 720*480(MSPG-925FA->Model:209, Pattern:65)-480i
1080p, 1920*1080(MSPG-925FA->Model:225, Pattern:65)-1080p
1080p, 1920*1080(MSPG-925FA->Model:225, Pattern:65)-1080p
- Pattern : Horizontal 100 % Color Bar Pattern
- Pattern level: 0.7 ± 0.1 Vp-p
- Image
- Pattern level: 0.7 ± 0.1 Vp-p
- Image
(3) Must use standard cable
4.1.3. Adjust method
* If Adjust ADC is “OTP”, It doesn’t need ADC adjustment.
(GP3-BM)
(1) ADC 480i, 1080p Comp1
1) Check connected condition of Component 1 cable to the
equipment.
2) Give a 480i, 1080p Mode, Horizontal 100% Color Bar
Pattern to Component 1.
(MSPG-925FA -> Model: 209, Pattern: 65) - 480i
(MSPG-925FA -> Model: 225, Pattern: 65) - 1080p
(MSPG-925FA -> Model: 225, Pattern: 65) - 1080p
3) Change input mode as Component 1 and picture mode
as “Standard”
4) Press the In-start Key on the ADJ remote after at least 1
min of signal reception. Then, select 7. External ADC ->
1. COMP 1080p on the menu. Press enter key. The
adjustment will start automatically.
1. COMP 1080p on the menu. Press enter key. The
adjustment will start automatically.
5) If ADC calibration is successful, “ADC RGB Success” is
displayed.
If ADC calibration is failure, “ADC RGB Fail” is displayed.
6) If ADC calibration is failure, after recheck ADC pattern or
condition retry calibration Error message refer to 5).
(2) ADC 1920*1080 RGB
1) Check connected condition of Component & RGB cable
to the equipment
2) Give a 1920*1080 Mode, 100 % Horizontal Color Bar
Pattern to RGB port.
(MSPG-925 Series -> model: 225 , pattern: 65 )
3) Change input mode as RGB and picture mode as “Standard”.
4) Press the In-start Key on the ADJ remote after at least 1
4) Press the In-start Key on the ADJ remote after at least 1
min of signal reception. Then, select 7. External ADC ->
1. COMP 1080p on the menu. Press enter key. The
adjustment will start automatically.
1. COMP 1080p on the menu. Press enter key. The
adjustment will start automatically.
5) If ADC calibration is successful, “ADC RGB Success” is
displayed.
If ADC calibration is failure, “ADC RGB Fail” is displayed.
6) If ADC calibration is failure, after recheck ADC pattern or
condition retry calibration Error message refer to 5).
PCBA Power ON Check
Result
Play
MARLIN Key : MAC + CI + WIDEVINE
Com Port Check
CI + Key Write
WIDEVINE Key Write
MAC Address Write
Command
Set ACK
LNB On
[A][I][ ][Set ID][ ][30][Cr]
[O][K][x] or NG : [N][G][x]
LNB Off
[A][I][ ][Set ID][ ][40][Cr]
[O][K][x] or NG : [N][G][x]
- 14 -
4.2. EDID(The Extended Display Identification
Data)/DDC(Display Data Channel) download
(1) Overview
It is a VESA regulation. A PC or a MNT will display an
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and Play”.
(2) Equipment
- Adjust remote control
- Since embedded EDID data is used, EDID download JIG,
- Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
(3) Download method
1) Press Adj. key on the Adj. R/C, then select “10.EDID
D/L”, By pressing Enter key, enter EDID D/L menu.
2) Select [Start] button by pressing Enter key, HDMI1/
HDMI2/ HDMI3/ RGB are Writing and display OK or NG.
(4) EDID DATA_3D
A
HDMI
A
RGB
(5) EDID DATA_2D
A
HDMI
A
RGB
A
Reference
- HDMI1 ~ HDMI4 / RGB
- In the data of EDID, bellows may be different by S/W or
- In the data of EDID, bellows may be different by S/W or
Input mode.
ⓐ Product ID
ⓑ Serial No. : Controlled on product line
ⓒ Month, Year: Controlled on production line:
ex) Monthly : ‘01’ -> ‘01’
Year : ‘2010’ -> ‘14’
ⓓ Model Name(Hex):
ⓔ Checksum: Changeable by total EDID data._3D
ⓔ Checksum: Changeable by total EDID data._2D
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
For HDMI EDID
For Analog EDID
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00
0
FF
FF
FF
FF
FF
FF
0
1E
6D
ⓐ
ⓑ
0x01
ⓒ
1
3
80
10
9
78
0A
EE
91
A3
54
4C
99
26
0x02
0F
50
54
A1
8
0
71
40
81
C0
81
0
81
80
95
0
0x03
90
40
A9
C0
B3
0
2
3A
80
18
71
38
2D
40
58
2C
0x04
45
0
A0
5A
0
0
0
1E
66
21
50
B0
51
0
1B
30
0x05
40
70
36
0
A0
5A
0
0
0
1E
0
0
0
FD
0
39
0x06
3F
1F
52
10
0
0A
20
20
20
20
20
20
ⓓ
0x07
ⓓ
1
ⓔ1
0x00
2
3
37
F1
4E
10
1F
84
13
5
14
3
2
12
20
21
0x01
22
15
1
26
15
7
50
9
57
7
ⓕ
0x02
ⓕ
0x03
ⓕ
E3
5
3
1
1
1D
80
18
71
1C
16
20
58
0x04 2C
25
0
A0
5A
0
0
0
9E
1
1D
0
80
51
D0
1A
0x05
20
6E
88
55
0
A0
5A
0
0
0
1A
2
3A
80
18
71
0x06
38
2D
40
58
2C
45
0
A0
5A
0
0
0
1E
0
0
0
0x07
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ⓔ2
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00
0
FF
FF
FF
FF
FF
FF
0
1E
6D
ⓐ
ⓑ
0x01
ⓒ
1
3
68
10
9
78
0A
EE
91
A3
54
4C
99
26
0x02
0F
50
54
A1
8
0
71
40
81
C0
81
0
81
80
95
0
0x03
90
40
A9
C0
B3
0
2
3A
80
18
71
38
2D
40
58
2C
0x04
45
0
A0
5A
0
0
0
1E
66
21
50
B0
51
0
1B
30
0x05
40
70
36
0
A0
5A
0
0
0
1E
0
0
0
FD
0
3A
0x06 3E
1E
53
10
0
0A
20
20
20
20
20
20
ⓓ
0x07
ⓓ
0
ⓔ3
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00
0
FF
FF
FF
FF
FF
FF
0
1E
6D
ⓐ
ⓑ
0x01
ⓒ
1
3
68
10
9
78
0A
EE
91
A3
54
4C
99
26
0x02
0F
50
54
A1
8
0
71
40
81
C0
81
0
81
80
95
0
0x03
90
40
A9
C0
B3
0
2
3A
80
18
71
38
2D
40
58
2C
0x04
45
0
A0
5A
0
0
0
1E
66
21
50
B0
51
0
1B
30
0x05
40
70
36
0
A0
5A
0
0
0
1E
0
0
0
FD
0
3A
0x06 3E
1E
53
10
0
0A
20
20
20
20
20
20
ⓓ
0x07
ⓓ
0
ⓔ3
0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F
0x00
0
FF
FF
FF
FF
FF
FF
0
1E
6D
ⓐ
ⓑ
0x01
ⓒ
1
3
80
10
9
78
0A
EE
91
A3
54
4C
99
26
0x02
0F
50
54
A1
8
0
71
40
81
C0
81
0
81
80
95
0
0x03
90
40
A9
C0
B3
0
2
3A
80
18
71
38
2D
40
58
2C
0x04
45
0
A0
5A
0
0
0
1E
66
21
50
B0
51
0
1B
30
0x05
40
70
36
0
A0
5A
0
0
0
1E
0
0
0
FD
0
39
0x06
3F
1F
52
10
0
0A
20
20
20
20
20
20
ⓓ
0x07
ⓓ
1
ⓔ1
0x00
2
3
26
F1
4E
10
1F
84
13
5
14
3
2
12
20
21
0x01
22
15
1
26
15
7
50
9
57
7
67
ⓕ
0x02
ⓕ
E3
5
3
1
1
1D
80
18
71
1C
16
20
58
2C
0x03
25
0
A0
5A
0
0
0
9E
1
1D
0
80
51
D0
1A
20
0x04 6E
88
55
0
A0
5A
0
0
0
1A
2
3A
80
18
71
38
0x05 2D
40
58
2C
45
0
A0
5A
0
0
0
1E
66
21
50
B0
0x06
51
0
1B
30
40
70
36
0
A0
5A
0
0
0
1E
0
0
0x07
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ⓔ2
Model Name
HEX
EDID Table
DDC Function
ALL
0001
0100
Analog
0001
0100
Digital
MODEL
MODEL NAME(HEX)
all
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
INPUT
1
2
3
HDMI1
7F
CB
X
HDMI2
7F
BB
X
HDMI3
7F
AB
X
HDMI4
7F
9B
X
RGB
X
X
98
INPUT
1
2
3
HDMI1
7F
D9
X
HDMI2
7F
C9
X
HDMI3
7F
B9
X
HDMI4
7F
A9
X
RGB
X
X
98
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