LG 26LN46XX / 26LN4607 / 26LN460R / 26LN460U / 26LN467U (CHASSIS:LD33P) Service Manual ▷ View online
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3.5.1. Check the method of CI+ Key value
(1) Check the method on Instart menu
(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
3.5.2. Check the method of CI+ key value(RS232)
1) Into the main ass’y mode(RS232: aa 00 00)
2) Check the mothed of CI+ key by command
(RS232: ci 00 20)
3) Result value
i 01 OK 1d1852d21c1ed5dcx
3.6. WIFI MAC ADDRESS CHECK
(1) Using RS232 Command
(2) Check the menu on in-start
4. Manual Adjustment
* ADC adjustment is not needed because of OTP(Auto ADC
adjustment)
4.1. EDID DATA
4.1.1. HDMI1
4.1.2. HDMI2
H-freq(kHz)
V-freq.(Hz)
Transmission
[A][I][][Set ID][][20][Cr]
[O][K][X] or [NG]
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
CI+ Key Value
HDMI1
HDMI2
HDMI1
76
E2
HDMI2
76
D2
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4.2. White Balance Adjustment
4.2.1. Overview
▪ RGB Gains are fixed data for each model.
▪ Insert RS-232C Jack which is connected with PC for White
→ Total Assembly line should be check whether the color
coordinate(x, y) data refer to below table were meet or not.
* Note : x,y coordinates are drifted about 0.007 after 30 mins
heat-run. So checking color coordinate within 5-min at
total assembly line, consider x,y coordinates might be
up to 0.007 than x,y target of each color temperature.
* Note : Manual W/B process using adjusts Remote control.
1) After enter Service Mode by pushing "ADJ" key,
2) Enter "White Balance" by pushing "►" key at "White
Balance".
* When doing Adjustment, Please make circumstance as
below.
4.3. Magic Motion Remote control test
- Dogle Ready
(1) Equipment : RF Remote control for test, IR-KEY-Code
Remote control for test
(2) You must confirm the battery power of RF-Remote control
before test(recommend that change the battery per every lot)
(3) Sequence (test)
1) if you select the "Start(Wheel)" key on the Adjustment
remote control, you can pairing with the TV SET.
2) You can check the cursor on the TV Screen, when select
the "Wheel" key on the Adjustment remote control.
3) You must remove the pairing with the TV Set by select
"Mute" key on the Adjustment remote control
4.4. 3D function test
(Pattern Generator MSHG-600, MSPG-6100[Support HDMI1.4])
* HDMI mode NO. 872 , pattern No.83
(1) Please input 3D test pattern like below.
(2) When 3D OSD appear automatically, then select OK key.
(3) Don't wear a 3D Glasses, check the picture like below.
Color
Temperature
Cool
13,000
K X=0.270 (±0.03)
Y=0.271 (±0.03)
<Test Signal>
Inner pattern
(204gray,80IRE)
Medium
9,300
K X=0.285 (±0.03)
Y=0.293 (±0.03)
Warm
6,500
K X=0.313 (±0.03)
Y=0.329 (±0.03)
Luminance
(cd/m²)
Cool
Min : 80
K Typ : 160
<Test Signal>
Inner pattern
(204gray,80IRE)
Medium Min : 80
K Typ : 160
Warm
Min : 70
K Typ : 160
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
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
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
Whit Balance
Color Temp.
◄
►
R-Gain
G-Gain
B-Gain
R-Cut
G-Cut
B-Cut
Test-Pattern
Backlight
Reset
G-Gain
B-Gain
R-Cut
G-Cut
B-Cut
Test-Pattern
Backlight
Reset
To Set
Cool
172
172
192
172
192
64
64
64
64
64
ON
100
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4.5. HDMI ARC Function Inspection
(1) Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
(2) Test method
1) Insert the HDMI Cable to the HDMI ARC port from the
master equipment (HDMI1)
2) Check the sound from the TV Set
3) Check the Sound from the Speaker or using AV & Optic
TEST program (It’s connected to MSHG-600)
* Remark: Inspect in Power Only Mode and check SW
version in a master equipment
4.6. Wi-Fi Test
Step 1) Turn on TV
Step 2) Select Network Connection option in Network Menu.
Step 3) Select Start Connection button in Network Connection.
Step 4) If the system finds any AP like blow PIC, it is working
well.
4.7. LNB voltage and 22KHz tone check
(only for DVB-S/S2 model)
▪ Test method
(1) Set TV in Adj. mode using POWER ON.
(2) Connect cable between satellite ANT and test JIG.
(3) Press Yellow key(ETC+SWAP) in Adj Remote control to
make LNB on.
(4) Check LED light ‘ON’ at 18 V menu.
(5) Check LED light ‘ON’ at 22 KHz tone menu.
(6) Press Blue key(ETC+PIP INPUT) in Adj Remote control
to make LNB off.
(7) Check LED light ‘OFF’ at 18 V menu.
(8) Check LED light ‘OFF’ at 22 KHz tone menu.
▪ Test result
(1) After press LNB On key, ‘18 V LED’ and ‘22 KHz tone
LED’ should be ON.
(2) After press LNB OFF key, ‘18 V LED’ and ‘22 KHz tone
LED’ should be OFF.
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4.8. Option selection per country
4.8.1. Overview
- Option selection is only done for models in Non-EU
4.8.2. Method
(1) Press ADJ key on the Adj. R/C, then select Country Group
Meun
(2) Depending on destination, select Country Group Code 04
or Country Group EU then on the lower Country option,
select US, CA, MX. Selection is done using +, - or ►◄
key.
4.9. Tool Option selection
▪ Method : Press "ADJ" key on the Adjustment remote control,
then select Tool option.
4.10. Ship-out mode check(In-stop)
▪ After final inspection, press "IN-STOP" key of the Adjustment
remote control and check that the unit goes to Stand-by mode.
4.11.1. Method
- Check that Power cord is fully inserted to the SET.
(If loose, re-insert)
- Unit fully inserted Power cord, Antenna cable and A/V
arrive to the auto-check process.
- Connect D-terminal to AV JACK TESTER
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator.
- If OK, changeover to I/P check automatically.
(Remove CORD, A/V form AV JACK BOX.)
- Perform I/P test
- If NG, Buzzer will sound to inform the operator.
- If OK, Good lamp will lit up and the stopper will allow the
pallet to move on to next process.
4.11.2. Checkpoint
▪ TEST voltage
- GND: 1.5 KV / min at 100 mA
- SIGNAL: 3 KV / min at 100 mA
▪ TEST time: 1 second
▪ TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
NEUTRAL
▪ LEAKAGE CURRENT: At 0.5 mArms
5. Audio
Measurement condition:
(1) RF input: Mono, 1 KHz sine wave signal, 100 % Modulation
(2) CVBS, Component: 1 KHz sine wave signal 0.5 Vrms
(3) RGB PC: 1 KHz sine wave signal 0.7 Vrms
6. USB S/W Download(Service only)
(1) Put the USB Stick to the USB socket.
(2) Automatically detecting update file in USB Stick.
- If your downloaded program version in USB Stick is Low,
it didn't work. But your downloaded version is High, USB
data is automatically detecting.
(Download Version High & Power only mode, Set is
automatically Download)
(3) Show the message "Copying files from memory".
(4) Updating is starting.
(5) Updating Completed, The TV will restart automatically.
(6) If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If downloading version is more high than your TV have, TV
can lost all channel data. In this case, you have to channel
recover. if all channel data is cleared, you didn’t have a DTV/
ATV test on production line.
* After downloading, have to adjust Tool Option again.
(1) Push "IN-START" key in service remote control.
(2) Select "Tool Option 1" and push "OK" key.
(3) Punch in the number. (Each model has their number)
No.
Item
Min
Typ Max
Unit
Remark
1.
Audio practical
max Output, L/R
(Distortion=10%
max Output)
9
10
12
W
EQ Off
AVL Off
Clear Voice Off
8.10 10.8 Vrms
2.
Speaker (8Ω
Impedance)
9
10
12
W
EQ Off
AVL Off
Clear Voice Off
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