LG 22LT360C Service Manual page 12

(1) HD RGB EDID data
0 1 2 3 4 5
00 00 FF FF FF FF FF FF 00 1E 6D
10 c 01 03 68 A0 5A 78 0A EE 91 A3 54 4C 99
20 0F 50 54 A1 08 00
30 01 01 01 01 01 01 1B 21
40 35 00 40 84 00 00
50 6E 28 55 00 A0 5A 00
60 3E 1E 53 10 00 0A 20
70
80 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
90 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
A0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
B0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
C0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
D0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
E0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
F0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
(2) HD HDMI EDID data
0 1 2 3 4 5
00 00 FF FF FF FF FF FF 00 1E 6D
10 c 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99
20 0F 50 54 A1 08 00
30 01 01 01 01 01 01
40 36 00 40 84 63 00
50 18 88 03 06 40 84
60 3E 1E 53 10 00 0A 20
70
80 02 03 22 F1 4E 10 1F 04
90 22 15 01 26 15 07
A0 80 1E 01 1D 80 18
B0 00 00 00 9E 01 1D 00
C0 20 C2 31 00 00 1E 8C 0A D0 8A 20 E0 2D 10
D0 96 00 A0 5A 00 00
E0 58 2C 45 00 A0 5A 00
F0 00 00 00 00 00 00
(3) Detail EDID Options are below
a. Product ID
MODEL NAME HEX
HD/FHD Model 0001
b. Serial No: Controlled on production line.
c. Month, Year: Controlled on production line:
ex) Week : '01' -> '01'
Year : '2012' -> '16' fix
d. Model Name(Hex):
cf) TV set's model name in EDID data is below.
Model name
LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV)
e. Checksum: Changeable by total EDID data.
EDID C/S data
Block 0
Check sum
(Hex)
Block 1
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
6 7 8 9 A B C D
a
71 40 61 40 45 40 31 40
50 A0 51 00 1E 30
00 1C 01 1D 00 72 51 D0 1E 20
00 00 1E 00 00 00 FD 00 3A
20 20 20 20 20
d
6 7 8 9 A B C D
a
31 40 45 40 61 40 71 40
66 21 50 B0 51 00 1B 30
00 1E 64 19 00 40 41 00
63 00 00 18 00 00 00 FD 00 3A
20 20 20 20 20
d
93 05 14 03 02 12
50 09 57 07 f
71 1C 16 20 58 2C 25 00 A0 5A
72 51 D0 1E 20 6E 28
00 18 02 3A 80 18 71 38 2D 40
00 00 1E 00 00 00 00
00 00 00 00 00 00 00 00
EDID Table DDC Function
01 00 Analog/Digital
MODEL NAME(HEX)
HD
HDMI RGB
A4 A5
5B (HDMI1)
4B (HDMI2) -
3B (HDMI3)
f. Vendor Specific(HDMI)
E F
Input
b
HDMI1
26
01 01
HDMI2
48 88
HDMI3
d
00 e
4.5. V-COM Adjust(Only LGD(M+S) Module)
- Why need Vcom adjustment?
■ The Vcom(Common Voltage) is a Reference Voltage of
Liquid Crystal Driving. → Liquid Crystal need for Polarity
Change with every frame.
S
Data Input
Y Data Input
E F
S
T
b
E
26
Power Input Power Input
M
01 01
40 70
26 30
d
V
COM
01 e
20 21
- Adjust sequence
55 00
■ Press the PIP key of the ADJ remote controller. (This PIP
10 3E
key is hot key to enter the VCOM adjusting mode)
(Or After enter Service Mode by pushing "ADJ" key, then
00 00
Enter V-Com Adjust mode by pushing "►" key at "12.
00 e
V-Com")
■ As pushing the right or the left button on the remote
controller, And find the V-COM value Which is no or
minimized the Flicker. (If there is no flicker at default value,
Press the exit key and finish the VCOM adjustment.)
■ Push the OK key to store value. Then the message
"Saving OK" is pop.
■ Press the exit key to finish VCOM adjustment.
4.6. Outgoing condition Configuration
■ When pressing IN-STOP key by SVC remocon, Red LED
are blinked alternatively. And then automatically turn off.
(Must not AC power OFF during blinking)
4.7. Hi-pot Test
Confirm whether is normal or not when between power board's
ac block and GND is impacted on 1.5 kV(dc) or 2.2 kV(dc) for
one second
- 12 -
Model name(HEX)
67030C001000
67030C002000
67030C003000
Data(R,G,B) &
Control signal
Data(R,G,B) & Control signal
Timing
Controller
Control signal
Column Line
V
Power COM
Block
C
LC
V
COM TFT
Row Line
LGE Internal Use Only
Circuit Block
Gamma
Reference Voltage
Gamma Reference
Voltage
Source Drive IC
Panel
C
ST
Liquid
Crystal