Read LG 22LG3DCH (CHASSIS:LA76A) Service Manual online
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4.2. USB Download
1) Attach the USB Memory to TV
2) MENU > OPTION > press left arrow key once > press the
2) MENU > OPTION > press left arrow key once > press the
key ‘7’ for 7 times
3) Select Main Software.
4) Select a downloading file.(*.bin)
- If you fail to download, please AC off/on. And then you can
download again with USB in Boot mode Automatically.
- If you fail to download, retry to download with PC.
5). Downloading
4.3. Function Check
4.3.1. Check display and sound
- Check Input and Signal items. (cf. work instructions)
1.TV
2. AV (CVBS)
3 .HDMI
4. H/P Out
* Display and Sound check is executed by Remote controller.
1.TV
2. AV (CVBS)
3 .HDMI
4. H/P Out
* Display and Sound check is executed by Remote controller.
5. Total Assembly line process
5.1. Adjustment Preparation
1) W/B Equipment condition
CA210 : CH 9, Test signal: Inner pattern (85IRE)
2) Above 5 minutes H/run in the inner pattern. (“power on” key
of adjust remote control)
3) Using RS232C to RGB cable like below figure.
15 Pin D-Sub Jack is connected to TV
RGB Jack is connected to the AUTO W/B equipment
RGB Jack is connected to the AUTO W/B equipment
4) Adjust Process will start by execute I2C Command (Inner
pattern (0xF3, 0xFF)).
* Manual W/B process using Service Remo-con. After enter
Service Mode by pushing “ADJ” key, enter “W/B ADJUST”
by pushing “
by pushing “
G
” key at “3. W/B ADJUST”. (CA-210, CH-9)
* Adjust “R/G/B - GAIN” by pushing “
F
”, “
G
” key at “Cool”.
* Adjust “R/G/B - GAIN” by pushing “
F
”, “
G
” key at “Medium”.
* Adjust “R/G/B - GAIN” by pushing “
F
”, “
G
” key at “Warm”.
EZ ADJUST
0. ADC CALIBRATION
0. ADC CALIBRATION
: RGB
1. ADC ADJUST
2. SUB B/C ADJUST
2. SUB B/C ADJUST
4. WHITE PATTERN
: OFF
5. 2HOUR OFF
: ON
6. OAD
7. UART DOWNLOAD
8. FACTORY MOD
7. UART DOWNLOAD
8. FACTORY MOD
: ON
9. DEBUG MODE
: OFF
10. TVLINK-COMM.ADJUST
3. W/B ADJUST
W/B ADJUST
0. MODE : RGB
1. WHITE PATTERN : White
2. TEMPERATURE : Cool
0. MODE : RGB
1. WHITE PATTERN : White
2. TEMPERATURE : Cool
4. G - GAIN : 172
5. B - GAIN : 192
6. R – OFFSET : 128
7. G – OFFSET : 128
8. B – OFFSET : 128
9. RESET
5. B - GAIN : 192
6. R – OFFSET : 128
7. G – OFFSET : 128
8. B – OFFSET : 128
9. RESET
3. R - GAIN : 172
Color Temperature
Cool
9,300
K
X=0.285 ± 0.003
<Test Signal>
Y=0.293 ± 0.003
Inner pattern
Medium
8,000
K
X=0.295 ± 0.003
(216gray, 85IRE)
Y=0.305 ± 0.003
Warm
6,500
K
X=0.313 ± 0.003
Y=0.329 ± 0.003
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