White Balance Adjustment - LG 49UF771V Service Manual

# HDMI 2(C/S : E6 88) - HDMI UHD Deep off case
EDID Block 0, Bytes 0-127 [00H-7FH]
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01 01 19 01 03 80 A0 5A 78
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45 45 00 40 84 63 00 00
40 40 70 36 00 40 84 63
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EDID Block 1, Bytes 128-255 [80H-FFH]
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90 22 15 01 5D 5E 5F 62
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B0 65 66 01 1D 80 18 71 1C 16
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D0 40 84 63 00 00 1E 00
E0 00 00 00 00 00 00 00
F0 00 00 00 00 00 00 00
# HDMI 3(C/S : E6 78) - HDMI UHD Deep off case
EDID Block 0, Bytes 0-127 [00H-7FH]
0 1 2 3 4 5
00 00 FF FF FF FF FF FF
01 01 19 01 03 80 A0 5A 78
0F 0F 50 54 A1 08 00 31
01 01 01 01 01 01 01 02
45 45 00 40 84 63 00 00
40 40 70 36 00 40 84 63
3E 3E 1E 53 10 00 0A 20
00 00 4C 47 20 54 56 0A 20
EDID Block 1, Bytes 128-255 [80H-FFH]
0 1 2 3 4 5
80 02 03 32 F1 54 10 9F
90 22 15 01 5D 5E 5F 62
A0 00 30 00 B8 3C 20 00
B0 65 66 01 1D 80 18 71 1C 16
C0 63 00 00 9E 01 1D 00
D0 40 84 63 00 00 1E 00
E0 00 00 00 00 00 00 00
F0 00 00 00 00 00 00 00
* Checksum(HDMI 1/2/3)
HDMI Deep Color On
Input
HDMI1
HDMI2
HDMI3
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
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20 20 20 20 20 20
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HDMI Deep Color Off
FFh (Checksum) FFh (Checksum)
A0 42 E6
A0 32 E6
E6 78 E6
4.1.5. Green Eye Inspection Guide
Step 1) Turn on the TV set.
Step 2). Press "EYE" button on the Adjustment remote control.
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01 01
26
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1B 30
3A
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01 E6
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20 21
03 0C
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Step 3) Block the Intelligent Sensor module on the front C/A
40 84
about 6 seconds. When the "Sensor Data" is lower
55 00
than 20, you can see the "OK" message
00 00
→ If it doesn't show "OK" message, the Sensor
00 00
Module is defected one.
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You have to replace that with a good one.
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26
81 80
58 2C
1B 30
3A
00 FC
01 E6
Step 4) After check the "OK" message come out, take out
your hand from the Sensor module.
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20 21 → Check "Backlight" value change from "0" to "100" or
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not. If it doesn't change the value, the sensor is also
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defected one.
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You have to replace it.
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00 00

4.2. White Balance Adjustment

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00 78
4.2.1. Overview
▪ W/B adj. Objective & How-it-works
(1) Objective: To reduce each Panel's W/B deviation
(2) How-it-works : When R/G/B gain in the OSD is at 192, it
means the panel is at its Full Dynamic Range. In order to
98
prevent saturation of Full Dynamic range and data, one
88
of R/G/B is fixed at 192, and the other two is lowered to
78
find the desired value.
(3) Adjustment condition : normal temperature
1) Surrounding Temperature : 25 °C ± 5 °C
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
4.2.2. Equipment
(1) Color Analyzer: CA-210 (LED Module : CH 14)
(2) Adjustment Computer(During auto adj., RS-232C protocol
is needed)
(3) Adjustment Remote control
(4) Video Signal Generator MSPG-925F 720p/216-Gray
(Model: 204, Pattern: 49)
→ Only when internal pattern is not available
Color Analyzer Matrix should be calibrated using CS-100.
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LGE Internal Use Only