DOWNLOAD LG 42LX6500 / 42LX650N-ZD / 42LX6800 / 42LX6900-ZD (CHASSIS:LD03R) Service Manual ↓ Size: 5.77 MB | Pages: 54 in PDF or view online for FREE

Model
42LX6500 42LX650N-ZD 42LX6800 42LX6900-ZD (CHASSIS:LD03R)
Pages
54
Size
5.77 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lx6500-42lx650n-zd-42lx6800-42lx6900-zd-chassis-.pdf
Date

LG 42LX6500 / 42LX650N-ZD / 42LX6800 / 42LX6900-ZD (CHASSIS:LD03R) Service Manual ▷ View online

- 13 -
4.3.5. Adj. method
(1) Auto adj. method
1) Set TV in adj. mode using POWER ON key.
2) Zero calibrate probe then place it on the center of the
Display.
3) Connect Cable (RS-232C)
4) Select mode in adj. Program and begin adjustment.
5) When adj. is complete (OK Sing), check adj. status pre
mode. (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adj.
A
W/B Adj. must begin as start command “wb 00 00” , and
finish as end command “wb 00 ff”, and Adj. offset if need.
(2) Manual adj. method
1) Set TV in Adj. mode using POWER ON
2) Zero Calibrate the probe of Color Analyzer, then place it
on the center of LCD module within 10cm of the surface.
3) Press ADJ key -> EZ adjust using adj. R/C -> 7. White-
Balance then press the cursor to the right (KEY 
G
).
(When KEY(
G
) is pressed 216 Gray internal pattern will
be displayed)
4) One of R Gain / G Gain / B Gain should be fixed at 192,
and the rest will be lowered to meet the desired value.
5) Adj. is performed in COOL, MEDIUM, WARM 3 modes
of color temperature.
A
If internal pattern is not available, use RF input. In EZ
Adj. menu 7.White Balance, you can select one of 2
Test-pattern: ON, OFF. Default is inner(ON). By
selecting OFF, you can adjust using RF signal in 216
Gray pattern.
A
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.
4.3.6. Reference (White Balance Adj. coordinate
and temperature)
A
Luminance : 216 Gray
A
Standard color coordinate and temperature using CS-1000
(over 26 inch)
A
Standard color coordinate and temperature using CA-
210(CH 9)
4.3.7. IOP & Edge LED White balance table
A
IOP & Edge LED module change color coordinate because
of aging time.
A
apply under the color coordinate table, for compensated
aging time.
- EDGE LED(LX65)
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269
0.273
13000 K
0.0000
MEDIUM
0.285
0.293
9300 K
0.0000
WARM
0.313
0.329
6500 K
0.0000
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269 ± 0.002
0.273 ± 0.002 13000 K
0.0000
MEDIUM
0.285 ± 0.002
0.293 ± 0.002
9300 K
0.0000
WARM
0.313 ± 0.002
0.329 ± 0.002
6500 K
0.0000
GP2
Aging Time
Cool
Medium
Warm
(Min.)
X
Y
X
Y
X
Y
269
273
285
293
313
329
1
0-2
280
291
296
311
319
340
2
3-5
278
288
294
308
317
338
3
6-9
276
285
292
305
315
335
4
10-15
274
282
290
302
313
332
5
20-35
273
279
289
299
312
329
6
36-49
270
276
287
296
310
326
7
50-79
269
273
286
293
308
323
8
Over 80
269
273
285
293
308
323
- 14 -
4.4. Wireless function check
Step 1) Connect set and Dongle of Wireless to Cable of HDMI
& TTA 20Pin
Step 2) At OSD of SET, check the message like Fig.3
Step 3) Detach Cable of Wireless Dongle
4.5. EYE-Q function check
Step 1) Turn on TV
Step 2) Press EYE key of Adj. R/C
Step 3) Cover the Eye Q II sensor on the front of the using
your hand and wait for 6 seconds
Step 4) Confirm that R/G/B value is lower than 10 of the “Raw
Data (Sensor data, Back light)”. If after 6 seconds,
R/G/B value is not lower than 10, replace Eye Q II
sensor.
Step 5) Remove your hand from the Eye Q II sensor and wait
for 6 seconds.
Step 6) Confirm that “ok” pop up. If change is not seen,
replace Eye Q II sensor.
4.6. Local Dimming Function Check
Step 1) Turn on TV.
Step 2) At the Local Dimming mode, module Edge Backlight
moving right to left Back light of IOP module moving.
Step 3) Confirm the Local Dimming mode.
Step 4) Press “exit” key
4.7. 3D function test
(Pattern Generator MSHG-600, MSPG-6100 [Support HDMI 1.4])
* HDMI mode No. 872, pattern No. 83)
1) Please input 3D test pattern like below
2) When 3D OSD appear automatically, then select OK button.
3) Don’t wear a 3D Glasses, Check the picture like below.
Fi g . 1 
< Do ng le>
 
Fig . 3  Connect the Dongle
( Do ng le  Co n n ec t io n  Di s p lay)
 
Fi g . 2 
< Wireles s Read y Set >
 
Connect
Local Dimming Demo (Edge LED Model)
Local Dimming Demo (IOP Model)
- 15 -
4.8. IR emitter inspection
(1) Start 3D pattern inspection
(2) If IR emitter emitter signal is correctly received to IR
receiver, the lamp of IR tester turn on
4.9. Option selection per country
(1) Overview
- Option selection is only done for models in Non-EU.
- Applied model: LD03D/03E Chassis applied EU model.
(2) Method
1) Press ADJ key on the Adj. Remote Control, then select
Country Group Menu.
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 
GF
KEY.
4.10. Tool Option selection
- Method : Press Adj. key on the Adj. Remote Control, then
select Tool option.
4.11. 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.
5.1. 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.
5.2. 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
6. Audio
Measurement condition:
1. RF input: Mono, 1KHz sine wave signal, 100% Modulation
2. CVBS, Component: 1KHz sine wave signal 0.4Vrms
3. RGB PC: 1KHz sine wave signal 0.7Vrms
<IR Tester Lamp turned off(NG)>
<IR Emitter inspection>
<IR Tester Lamp turned on(OK)>
No.
Item
Min. Typ. Max. Unit
1.  Audio practical max
4.5
5
6
W
EQ Off
Output, L/R
AVL Off
(Distortion=10 %
6.33 6.93 Vrms Clear Voice Off
max Output)
2. Speaker 
(8 
5
7
W
EQ 
On
Impedance)
AVL On
Clear Voice On
Mode
Tool 1
Tool 2
Tool 3
Tool 4
Tool 5
42LX6500
33760
31795
54316
22956
2874
- 16 -
7. 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 control.
2) Select "Tool Option 1" and Push “OK” button.
3) Push in the number. (Each model has their number.)
Page of 54
Display

Click on the first or last page to see other 42LX6500 / 42LX650N-ZD / 42LX6800 / 42LX6900-ZD (CHASSIS:LD03R) service manuals if exist.