DOWNLOAD LG 22LV2500-UA (CHASSIS:LA01T) Service Manual ↓ Size: 4.03 MB | Pages: 50 in PDF or view online for FREE

Model
22LV2500-UA (CHASSIS:LA01T)
Pages
50
Size
4.03 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
22lv2500-ua-chassis-la01t.pdf
Date

LG 22LV2500-UA (CHASSIS:LA01T) Service Manual ▷ View online

- 13 -
• Adj. condition and cautionary items 
1) Lighting condition in surrounding area 
Surrounding lighting should be lower 10 lux. Try to isolate
adj. area into dark surrounding. 
2) Probe location : Color Analyzer (CA-210) probe should be
within 10cm and perpendicular of the module surface (80°~
100°) 
3) Aging time 
- After Aging Start, Keep the Power ON status during 5
Minutes. 
- In case of LCD, Back-light on should be checked using no
signal or Full-white pattern. 
5.1.6 Reference (White Balance Adj. coordinate and color
temperature) 
(1) Luminance: 204 Gray, 80IRE 
(2) Standard color coordinate and temperature using CS-1000
(over 26 inch) 
• Standard color coordinate and temperature using CA-
210(CH 9) 
5.2 HDCP (High-Bandwidth Digital
Contents Protection) SETTING 
5.3 Option selection per country    
America due to rating 
• Applied model: LA01U Chassis applied None USA
model(CANADA, MEXICO) 
5.3.2 Method  
(1) Press ADJ key on the Adj. R/C, and then select Country
Group Menu 
(2) Depending on destination, select KR or US, then on the
lower Country option, select US, CA, MX.  Selection is
done using +, - KEY 
5.4 Tool Option selection     
• Method: Press Adj. key on the Adj. R/C, then select Tool
option.  
5.5 Ship-out mode check (In-stop)     
• After final inspection, press In-Stop key of the Adj. R/C and
check that the unit goes to Stand-by mode. 
Mode
Color Coordination
Temp
UV
x
y
COOL
0.269
0.273
13000K
0.0000
MEDIUM
0.285
0.293
9300K
0.0000
WARM
0.313
0.329
6500K
0.0000
Mode
Color Coordination
Temp
UV
x
y
COOL
0.269±0.002
0.273±0.002
13000K
0.0000
MEDIUM
0.285±0.002
0.293±0.002
9300K
0.0000
WARM
0.313+0.002
0.329±0.002
6500K
0.0000
Model
Tool1
Tool2
Tool3
Tool4
Tool5
Menu
26LK330-UB 13896
18966
51209
2328
290
AUO
- 14 -
6. GND and Hi-pot Test 
6.1. Method
6.1.1. GND & HI-POT auto-check preparation  
(1) Check the POWER CABLE and SIGNAL CABE
insertion condition 
6.1.2. GND & HI-POT auto-check  
(1) Pallet moves in the station. (POWER CORD / AV
CORD is tightly inserted) 
(2) Connect the AV JACK Tester. 
(3) Controller (GWS103-4) on. 
(4) GND Test (Auto)  
- If Test is failed, Buzzer operates. 
- If Test is passed, execute next process (Hi-pot test).
(Remove A/V CORD from A/V JACK BOX)  
(5) HI-POT test (Auto) 
- If Test is failed, Buzzer operates. 
- If Test is passed, GOOD Lamp on and move to next
process automatically. 
6.2. Checkpoint
• TEST voltage
- GND: 1.5KV/min at 100mA
- SIGNAL: 3KV/min at 100mA
• TEST time: 1 second
• TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
NEUTRAL
• LEAKAGE CURRENT: At 0.5mArms
7. EYE-Q Check
Step 1) Turn on the TV. 
Step 2) Press EYE button in adjust remote control. 
Step 3) Stay 6 seconds with Eye Q sensor hidden located on
the front of the set. 
Step 4) Check the “Sensor Data” on the screen and check
whether the value is lower thanafter 6 seconds, the
value does not go below 10, Eye Q sensor is not
working properly. Then, change the sensor. 
Step 5) Remove hand from the Eye Q II sensor and stay for 6
seconds. 
Step 6) Check whether the “Back Light (xxx)” value has risen
on the screen. If after 6 seconds and the value still
does not go high, the eye Q II sensor is not working
properly. Replace the sensor. 
 
<Step1>
<Step2>
<Step3>
<Step4>
<Step5>
- 15 -
8. USB S/W Download (Option,
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 
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 controller. 
2. Select "Tool Option 1" and Push “OK” button. 
3. Punch in the number. (Each model has their number.) 
- 16 -
900
300
310
51
1
120
400
540
521
810
820
200
A5
910
510
A2
410
A31
A10
A21
LV
1
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by       in the Schematic Diagram and EXPLODED VIEW. 
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. 
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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