LG 50PQ12-UD (CHASSIS:PU92B) Service Manual ▷ View online
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8. Adjustment of White Balance
Caution: Press the POWER ON KEY on R/C before W/B adjustment.
8-1. Test Equipment
- Color Analyzer (CS-1000, CA-100+(CH.10), CA-210(CH.10))
[ Please adjust CA-100+ / CA-210 by CS-1000 before measuring
--> You should use Channel 10 which is Matrix compensated
(White, Red, Green, Blue revised) by CS-1000 and adjust
in accordance with White balance adjustment coordinate.
in accordance with White balance adjustment coordinate.
O
Color temperature standards according to CSM and Module
O
Change target luminance and range of the Auto adjustment
W/B equipment.
O
White balance adjustment coordinate and color temperature
8-2. Connecting Picture of the Measuring
Instrument
(On Automatic control )
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push control R/C ADJ Key—> Enter the
mode of White-Balance, the pattern will come out.
auto controller or push control R/C ADJ Key—> Enter the
mode of White-Balance, the pattern will come out.
8-3. Auto-control Interface and Directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10ux).
(2) In case of PDP: Measure and adjust after sticking the Color
Analyzer (CA-100+, CA210) to the side of the module.
In case of LCD: Adhere closely the Color Analyzer (
CA210) to the module less than 10cm distance, keep it
with the surface of the Module and Color Analyzer’s Prove
vertically.(80~100°).
CA210) to the module less than 10cm distance, keep it
with the surface of the Module and Color Analyzer’s Prove
vertically.(80~100°).
(3) Aging time
1) After aging start, keep the power on (no suspension of
power supply) and heat-run over 5 minutes.
2) In case of PDP, keep white pattern using inside pattern.
3) In case of LCD, using ’no signal’ or ‘full white pattern’ or
3) In case of LCD, using ’no signal’ or ‘full white pattern’ or
the others, check the back light on.
O
Auto Adjustment Map(RS-232C)
ADJUSTMENT INSTRUCTIONS
0.003
0.003
0.003
[ PC (for communication through RS-232C) ==> UART Baud rate : 115200 bps
3uv
0.329±0.002
0.329±0.002
0.329
y
0.313±0.002
0.313±0.002
0.313
x
CA-210 (CH.10)
CA-100+ (CH.10)
CS-1000
Warm
0.000
0.000
0.000
3uv
0.293±0.002
0.293±0.002
0.293
y
0.285±0.002
0.285±0.002
0.285
x
CA-210 (CH.10)
CA-100+ (CH.10)
CS-1000
Medium
0.000
0.000
0.000
3uv
0.283±0.002
0.283±0.002
0.283
y
0.276±0.002
0.276±0.002
0.276
x
CA-210 (CH.10)
CA-100+ (CH.10)
CS-1000
Cool
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8-4. Manual White Balance
(1) Press the POWER ON KEY on R/C for adjustment and
heat run over 5 minutes.
(2) Zero Calibrate CA-100+ / CA-210, and when controlling,
stick the sensor to the center of PDP module surface.
(3) Press the ADJ KEY on R/C and enter EZ ASJUST
Select “3.W/B ADJUST” and press ENTER(
V
)
Set test-pattern on and display inside pattern.
(4) Control is carried out on three color temperatures, COOL,
MEDIUM, WARM.(Control is carried out three times)
<Temperature: COOL>
- R-offset / G-offset / B-offset is set to 128
- Control R-Gain and G-Gain.
- Each gain is limited to 192
- Control R-Gain and G-Gain.
- Each gain is limited to 192
<Temperature: MEDIUM>
- R-offset / G-offset / B-offset is set to 128
- Control R-Gain and G-Gain.
- Each gain is limited to 192
- Control R-Gain and G-Gain.
- Each gain is limited to 192
<Temperature: WARM>
- R-offset / G-offset / B-offset is set to 128
- Control G-Gain and B-Gain.
- Each gain is limited to 192
- Control G-Gain and B-Gain.
- Each gain is limited to 192
9. HDCP SETTING
(Not necessary)
Caution: Key is saved in external eeprom.
10. RS-232C
Press In-start key and select 4.Baud Rate menu. Check RS-
232C after changing Baud Rate 115200.
232C after changing Baud Rate 115200.
11. TOOL OPTION
11-1. Using DFT(Auto)
PC (for communication through RS-232C) ==> UART Baud
rate : 115200 bps
Command : ab 00 00 DATA(Model Number(hexadecimal))
rate : 115200 bps
Command : ab 00 00 DATA(Model Number(hexadecimal))
11-2. Setting Manual
Press ADJ R/C In-start key and select 0.TOOL OPTION,
Select Model Number by using R/C number(0~9) key or select
Model Number by using
Select Model Number by using R/C number(0~9) key or select
Model Number by using
F
/
G
(VOL +/-) in accordance with
destination.
Finally press
Finally press
9
(enter) key.
12. AREA OPTION
12-1. Using DFT(Auto)
PC (for communication through RS-232C) ==> UART Baud
rate : 115200 bps
Command : ah 00 00 DATA(Area Number(hexadecimal))
rate : 115200 bps
Command : ah 00 00 DATA(Area Number(hexadecimal))
12-2. Setting Manual
Press ADJ R/C In-start key and select 1.AREA OPTION,
Select Model Number by using
Select Model Number by using
F
/
G
(VOL +/-) in accordance
with destination
ADJUSTMENT INSTRUCTIONS
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TROUBLE SHOOTING GUIDE
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TROUBLE SHOOTING GUIDE
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