Read LG 32LT770H (CHASSIS:LA2FF) Service Manual online
- 9 -
ⓔ
Checksum(LG TV): Changeable by total EDID data.
ⓔ
1
ⓔ
2
ⓔ
3
HDMI1
43
B1
X
HDMI2
43
A1
X
HDMI3
43
91
X
RGB
X
X
5C
ⓕ
Vendor Specific(HDMI)
INPUT
MODEL NAME(HEX)
HDMI1
67 03 0C 00 10 00 80 2D
HDMI2
67 03 0C 00 20 00 80 2D
HDMI3
67 03 0C 00 30 00 80 2D
4.6.4.2. PCM(US) _XvYcc : off
▪Reference
- HDMI1 ~ HDMI3 / RGB
- In the data of EDID, bellows may be different by S/W or Input
mode.
ⓐ
Product ID
HEX
EDID Table
DDC Function
0001
0100
Analog
0001
0100
Digital
ⓑ
Serial No: Controlled on production line.
ⓒ
Month, Year: Controlled on production line:
ex) Monthly : ‘01’ -> ‘01’
Year : ‘2012’ -> ‘16’
ⓓ
Model Name(Hex): LGTV
Chassis
MODEL NAME(HEX)
LA2FF
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
ⓔ
Checksum(LG TV): Changeable by total EDID data.
ⓔ
1
ⓔ
2
ⓔ
3
HDMI1
43
B5
X
HDMI2
43
A5
X
HDMI3
43
95
X
RGB
X
X
5C
ⓕ
Vendor Specific(HDMI)
INPUT
MODEL NAME(HEX)
HDMI1
67 03 0C 00 10 00 80 2D
HDMI2
67 03 0C 00 20 00 80 2D
HDMI3
67 03 0C 00 30 00 80 2D
5. Final Assembly Adjustment
5.1. White Balance Adjustment
5.1.1. Overview
5.1.1.1. 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
prevent saturation of Full Dynamic range and data, one of
R/G/B is fixed at 192, and the other two is lowered to find
the desired value.
(3) Adj. condition: normal temperature
- Surrounding Temperature: 25±5 °C
- Warm-up time: About 5 Min
- Surrounding Humidity: 20% ~ 80%
- Before White balance adjustment, Keep power on status,
don’t power off
5.1.1.2. Adj. condition and cautionary items
(1) Lighting condition in surrounding area surrounding lighting
should be lower 10 lux. Try to isolate adj. area into dark
surrounding.
(2) Probe location: Color Analyzer (CA-210) probe should be
within 10cm and perpendicular of the module surface
(80°~ 100°)
(3) Aging time
- After Aging Start, Keep the Power ON status during 5
Minutes.
- In case of LCD, Back-light on should be checked using no
signal or Full-white pattern.
5.1.2. Equipment
(1) Color Analyzer: CA-210 (NCG: CH 9 / WCG: CH12 / LED:
CH14)
(2) Adj. Computer (During auto adj., RS-232C protocol is
needed)
(3) Adjust Remocon
(4) Video Signal Generator MSPG-925F 720p/204-Gray
(Model: 217, Pattern: 49)
※
Color Analyzer Matrix should be calibrated using CS-1000
Click on the first or last page to see other 32LT770H (CHASSIS:LA2FF) service manuals if exist.