Read LG 50PG2000-ZA (CHASSIS:PD83A) Service Manual online
Before adjusting White-balance, the AV ADC should be done.
If ADC status were “NG”, Need to ADC adjustment.
If ADC status were “NG”, Need to ADC adjustment.
9. Adjustment of White Balance
9-1. Required Equipment
(1) Remote Controller for Adjustment
(2) Color Analyzer (CS-1000, CA-100,100+,CA-210 or same
(2) Color Analyzer (CS-1000, CA-100,100+,CA-210 or same
product ): CH 10 (PDP)
* Please adjust CA-210, CA-100+ by CS-1000 before
* Please adjust CA-210, CA-100+ by CS-1000 before
measuring
(3) Auto W/B adjustment instrument(only for Auto adjustment)
(4) 15 Pin D-Sub Jack(RGB) is connected to the AUTO W/B
(4) 15 Pin D-Sub Jack(RGB) is connected to the AUTO W/B
EQUIPMENT.
9-2. AUTO White Balance Process.
Before Adjust of White Balance, Please press POWER ONLY
key
Adjust Process will start by execute I2C Command (Inner
pattern (0xF3, 0xFF)).
key
Adjust Process will start by execute I2C Command (Inner
pattern (0xF3, 0xFF)).
O
Color temperature standards according to CSM and Module
O
CS-1000/CA-100+/CA-210(CH 10) White balance
adjustment coordinates and color temperature.
9-3. Manual W/B Process
(using adjusts Remote control)
Please Adjust in AV 1 MODE
(1) Enter “PICTURE RESET” on Picture Mode, then turn off
Fresh Contrast and Fresh colour in Advanced Control
(2) After enter Service Mode by pushing “ADJ” key,
(3) Enter White Pattern off of service mode, and change off ->
(3) Enter White Pattern off of service mode, and change off ->
on.
(4) Enter “W/B ADJUST” by pushing “
G
” key at “3. W/B
ADJUST”.
(5) Adjust W/B DATA, for all CSM, choose ‘COPY ALL’
* Don’t make any Gain Value over 192 and please fix one
Value on 192, between B and R
9-4. 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) Measure and adjust after sticking the Color Analyzer (CA-
100+, CA210 ) to the side of the module.
(3) Aging time
After aging start, keep the Power on (no suspension of
power supply) and heat-run over 5 minutes
power supply) and heat-run over 5 minutes
9-5. Auto Adjustment Map(I2C)
(1) I2C (100K BPS)
(2) COMMUNICATION START
(2) COMMUNICATION START
# Until ACK BIT goes LOW, Repeat it.
(3) Command form.
Command form use DDC2AB standard communication
protocol.
protocol.
1) LEN: DATA BYTE number to send.
2) CMD: Command language that monitor executes.
3) VAL: FOS DATA
4) CS: Dada’s CHECHSUM that transmit
5) DELAY: 50MS
6) A: Acknowledge
2) CMD: Command language that monitor executes.
3) VAL: FOS DATA
4) CS: Dada’s CHECHSUM that transmit
5) DELAY: 50MS
6) A: Acknowledge
- 11 -
START 6E A 50 A LEN A 03 A CMD A 00 A VAL A CS A STOP
START
6E
A
STOP
50Ms
PLASMA
Remark
11000K
9300K
6500K
Cool
Medium
Warm
CSM
Color Coordinate
x
y
0.283
0.293
0.329
11,000K
9,300K
6,500K
0.002
0.002
0.002
0.276
0.285
0.313
Cool
Medium
Warm
CSM
Temp
±Color
Coordinate
Click on the first or last page to see other 50PG2000-ZA (CHASSIS:PD83A) service manuals if exist.