LG 50PT350 Service Manual page 8

* ADC Calibration Protocol (RS232)
NO Item CMD 1 CMD 2 Data 0
Enter Adjust A
Adjust 'Mode In'
Mode
ADC ADC A
adjust Adjust
Adjust Sequence
- aa 00 00 [Enter Adjust Mode]
- xb 00 40 [Component1 Input (480i)]
- ad 00 10 [Adjust 480i Comp1]
- xb 00 60 [RGB Input (1024*768)]
- ad 00 10 [Adjust 1024*768 RGB]
- aa 00 90 End Adjust mode
* Required equipment : Adjustment R/C.
6. Function Check
6-1. Check display and sound
- Check Input and Signal items. (cf. work instructions)
(1) TV
(2) AV (SCART1/SCART2/ CVBS)
(3) COMPONENT (480i)
(4) RGB (PC : 1024 x 768 @ 60hz)
(5) HDMI
(6) PC Audio In
* Display and Sound check is executed by Remote
controller.
* Caution : Not to push the INSTOP KEY after completion if the
function inspection.
7. Total Assembly line process
7-1. POWER PCB Assy voltage adjustment
(Vs voltage adjustment)
Required Equipment for adjustment
O
- D.M.M
Condition for adjustment
O
- No signal with the snow noise in RF mode)
7-2. Adjustment Preparation
- Required Equipment
Remote controller for adjustment
O
Color Analyzer ( CS-1000, CA-100,100+,CA-210 or same
O
product : CH 10 (PDP)
* Please adjust CA-210, CA-100+ by CS-1000 before
measuring
Auto W/B adjustment instrument(only for Auto adjustment)
O
9 Pin D-Sub Jack(RS232C) is connected to the AUTO W/B
O
EQUIPMENT.
Before Adjust of White Balance, Please press POWER ONLY
key
Copyright ©2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
A 0 0 When transfer the
'Mode In'
Carry the
command.
D 1 0 Automatically
adjustment
(The use of
a internal pattern)
Adjust Process will start by execute RS232C Command.
Color temperature standards according to CSM and Module
O
CSM
Cool
Medium
Warm
CS-1000/CA-100+/CA-210(CH 10)
O
White balance adjustment coordinates and color temperature.
Color Coordinate
CSM
x
Cool 0.276
Medium 0.285
Warm 0.313
* Connecting picture of the measuring instrument (On
Automatic control)
- Inside PATTERN is used when W/B is controlled. Connect
to auto controller or push Adjustment R/C POWER-ON
->Enter the mode of White-Balance, the pattern will come
out.
* 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
Auto adjustment Map(RS-232C)
O
RS-232C COMMAND
[ CMD ID DATA ]
Wb 00 00
Wb 00 ff
RS-232C COMMAND
[CMD ID DATA]
Cool Mid
R Gain jg Ja
G Gain jh Jb
B Gain ji Jc
R Cut
G Cut
B Cut
- 8 -
PLASMA
11000K
9300K
6500K
Temp ±Color Coordinate
y
0.283 11000K
0.293 9300K
0.329 6500K
White Balance Start
White Balance End
CENTER
MIN (DEFAULT)
Warm Cool Mid
jd 00 192 192
je 00 192 192
jf 00 192 192
64 64
64 64
64 64
LGE Internal Use Only
0.002
0.002
0.002
MAX
Warm
192 192
192 192
192 192
64 128
64 128
64 128