LG 26LT360C, Service Manual

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LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
(1) FHD RGB EDID data
(2) FHD HDMI EDID data
(3) Detail EDID Options are below
a. Product ID
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.
e. Checksum: Changeable by total EDID data.
f. Vendor Specific(HDMI)
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.
- Adjust sequence
■ Press the PIP key of the ADJ remote controller. (This PIP
key is hot key to enter the VCOM adjusting mode)
(Or After enter Service Mode by pushing “ADJ” key, then
Enter V-Com Adjust mode by pushing “►” key at “12.
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
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 00 FF FF FF FF FF FF 00 1E 6D a b
10 c 01 03 68 A0 5A 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 A0 5A 00 00 00 1E 66 21 50 B0 51 00 1B 30
50 40 70 36 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20
d
70 d 00 e
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
0 1 2 3 4 5 6 7 8 9 A B C D E F
00 00 FF FF FF FF FF FF 00 1E 6D a b
10 c 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 A0 5A 00 00 00 1E 66 21 50 B0 51 00 1B 30
50 40 70 36 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20
d
70 d 01 e
80 02 03 22 F1 4E 10 9F 04 13 05 14 03 02 12 20 21
90 22 15 01 26 15 07 50 09 57 07
f
A0 f 01 1D 80 18 71 1C 16 20 58 2C 25 00 20 C2
B0 31 00 00 9E 01 1D 00 72 51 D0 1E 20 6E 28 55 00
C0 20 C2 31 00 00 1E 02 3A 80 18 71 38 2D 40 58 2C
D0 45 00 A0 5A 00 00 00 1E 01 1D 00 BC 52 D0 1E 20
E0 B8 28 55 40 C4 8E 21 00 00 1E 00 00 00 00 00 00
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e
MODEL NAME HEX EDID Table DDC Function
HD/FHD Model 0001 01 00 Analog/Digital
Model name MODEL NAME(HEX)
LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV)
EDID C/S data
HD
HDMI RGB
Check sum
(Hex)
Block 0 43 5C
Block 1
25 (HDMI1)
- 15 (HDMI2)
5 (HDMI3)
Input Model name(HEX)
HDMI1 67030C001000
HDMI2 67030C002000
HDMI3 67030C003000
Row Line
Column Line
C
LC
C
ST
Panel
S
Y
S
T
E
M
G
a
te
Dr
iv
e
I
C
Source Drive IC
Circuit Block
Timing
Controller
Power
Block
V
COM
Gamma
Reference Voltage
Gamma Reference
Voltage
Data(R,G,B) & Control signal
Control signal
Data(R,G,B) &
Control signal
In
te
rf
a
ce
TFT
Power Input Power Input
Data Input Data Input
V
COM
Liquid
Crystal
V
COM