Read LG 50PB2RRH-TL (CHASSIS:MF-056L) Service Manual online
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6) HDMI/DVI EDID data(check sum : DC37)
7) RGB EDID data(check sum : B4)
12. Adjustment of White Balance
12-1. 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.
2) Color Analyzer.(CA-100 or same product)
3) Auto W/B adjustment instrument.(only for Auto adjustment)
4) AV Pattern Generator.
12-2. Connecting diagram of equipment for
measuring (For Auto Adjustment)
W
Auto adjustment Map(RS-232C)
12-3. Adjustment of White Balance
(For Manual adjustment)
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.
run more than 15 minutes.
2) As below Fig.18, Supply 216Level (85 IRE) full screen
pattern to Video input.
(50PB2RR-TL : AV1/AV2, Press the Front AV key->AV2)
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
4) Set the PSM to Standard mode in Picture menu.
5) Enter the White Balance adjustment mode by pressing the
IN-START 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.
(Initially, R/G/B gain and R/G/B offset values are fixed as below
Red Gain : 82,
Red Gain : 82,
Green Gain : 80,
Blue Gain : 86
Red Offset : 7F,
Green Offset : 7E,
Blue Offset : 82)
9) When adjustment is completed, Exit adjustment mode
using EXIT key on R/C.
M SPG-
M STG- 5 2 0 0
216 Level (85 IRE)
216 Level (85 IRE)
COLOR
COLOR ANAL
ANALYZER
YZER
TYPE ; CA-100
TYPE ; CA-100
CVBS
CVBS
signal
signal
signal
input
input
input
RS-232C Serial Communication
925
Pattern Generator
Pattern Generator
/
(Fig. 17) Connection Diagram of Auto W/B Adjustment
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-056L
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. 18) Pattern for Adjustment of White Balance
216 Level (85 IRE)
216 Level (85 IRE)
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