LG 42PX4RV/RVA, Руководство по обслуживанию

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6. Auto AV(CVBS) Color Balance
6-1. Required
- This AV color balance adjustment should be performed befor
white Balance Adjustment
6-2. Required Equipment
1) Remote controller for adjustment
2) AV Pattern Generator
: 802F Pattern Generator, Master(MSPG-925FA), etc
(Which has PAL Composite Video format output with
standard(1.0 Vpp) Vertical 100% Color Bar Pattern as Fig6)
6-3. Method of Auto Color Balance
1) Input the PAL Composite Video (Fig6. 100% Color Bar
Pattern) into video input.
(42PX4RV-TA : AV1/AV2 Input 50Hz,
42PX4RV-ZA : AV4/AV5 Input)
2) Set the PSM to Standard mode in Picture menu.
3) Press INSTAR key on R/C for adjustment.
4) Press the
G (Vol. +) key operate to set, then it becomes
automatically.
5) Auto-RGB OK means completed adjustment.
7. Adjustment of White Balance
7-1. Required Equipment
1) Remote controller for adjustment
2) Color Analyzer (CA-100 or same product)
3) Auto W/B adjustment instrument(only for auto adjustment)
4) AV Pattern Generator
7-2. Connecting diagram of equipment for
measuring (For Auto Adjustment)
W Auto adjustment Map(RS-232C)
7-3. Adjustment of White Balance
O
Operate the zero-calibration of the CA-100, then stick
sensor to PDP module surface when you adjust.
O For manual adjustment, it is also possible by the following
sequence.
1) Select white pattern of heat-run mode by pressing power
on key on remote control for adjustment then operate heat
run more than 15 minutes.
2) As below Fig.7-1, Supply 216Level (85 IRE) full screen
pattern to Video input.
(42PX4RV-TA : AV1/AV2 INPUT 50Hz,
42PX4RV-ZA : AV4/AV5 INPUT)
3) Press the TV/AV KEY on R/C for converting input mode.
4) Set the PSM to Standard mode in Picture menu.
5) Enter the White Balance adjustment mode by pressing the
INSTART key twice(White Balance) on R/C.
6) Stick sensor to center of the screen and select each items
(Red/Green/Blue Gain and offset) using
D
/
E
(CH +/-) key
on R/C.
7) Adjust Only High Light with R Gain/ B Gain using F / G
(VOL+/-) key on R/C.
8) Adjust it until color coordination becomes as below.
(High Light G Gain : 7A // Low Light R Offset : 7F, G Offset
7E, B Offset 80 is Fixed)
[MF-056A : 42PX4RV-TA/ZA] - VGA 42”
Bright :
High Light : 80 ± 20cd
Color-Coordinate : High Light : X : 0.285 ± 0.003
Y : 0.295 ± 0.003
Color Temperature : 9,300°K ± 500°K
9) When adjustment is completed, Exit adjustment mode
using EXIT key on R/C
(Fig. 7-1) Pattern for Adjustment of White Balance
216 Level (85 IRE)
Type
Baud Rate
115200
Index
R Gain
G Gain
B Gain
R Offset
G Offset
B Offset
Data bit
8
Cmd1 Cmd2
j a
j b
j c
j d
j e
j f
Stop bit
1
Parity
NONE
MF-056A : RT-42PX40/ RZ-42PX40
Protocol
Setting
Data Min Value
00(00)
00(00)
00(00)
00(00)
00(00)
00(00)
Max Value
255(FF)
255(FF)
255(FF)
255(FF)
255(FF)
255(FF)
(Fig. 6) Auto AV(CVBS) Color Balance Test Pattern
(Fig. 7) Connection Diagram of Auto W/B adjustment
M SPG-2 1 0 0 /
M STG- 5 2 0 0
216 Level (85 IRE)
COLOR
ANALYZER
TYPE ; CA-100
CVBS
signal
input
RS-232C Serial Communication