Read LG 50PK550-UD / 50PK550-UE (CHASSIS:PU01A) Service Manual online
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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.
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)
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.
RS-232C COMMAND
CENTER
[CMD ID DATA]
MIN
(DEFAULT)
MAX
Cool Mid
Warm
Cool
Mid
Warm
R Gain
jg
Ja
jd
00
192
192
192
255
G Gain
jh
Jb
je
00
192
192
192
255
B Gain
ji
Jc
jf00
192
192
192
255
R Cut
128
128
128
255
G Cut
128
128
128
255
B Cut
128
128
128
255
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