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1. Application Range
This specification sheet is applied to all of the LED TV with
LB35B chassis.
2. Designation
(1) Because this is not a hot chassis, it is not necessary to
use an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
25 °C ± 5 °C of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep 100-220 V,
50/60Hz.
(5) The receiver must be operated for over 5 minutes prior to
the adjustment when module is in the circumstance of
above 15 °C.
► In case of keeping module is in the circumstance of 0
°C, it should be placed in the circumstance of above 15
°C for 2 hours.
► In case of keeping module is in the circumstance of
below -20 °C, it should be placed in the circumstance of
above 15 °C for 3 hours.
* Caution
When a still image is displayed for 20 minutes or longer
(especially where W/B scale is strong. Digital pattern 13ch
and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
3. MAIN PCBA Adjustments
3.1. ADC Calibration
3.1.1. Using D/L Jig
- An ADC calibration is automatically adjusted from DFT-Jig
- If it needs to adjust manually, refer to appendix.
* ADC Calibration Protocol (RS232)
NO
Item
CMD 1 CMD 2 Data 0
Enter Adjust
Adjust
A
MODE
'Mode In'
ADC
ADC adjust
A
Adjust
Adjust Sequence
▪ aa 00 00 [Enter Adjust Mode]
▪ xb 00 40 [Component1 Input (480i)]
▪ ad 00 10 [Adjust 480i Comp1]
▪ aa 00 90 End Adjust mode
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
ADJUSTMENT INSTRUCTION
When transfer the 'Mode In',
A
0
0
Carry the command.
Automatically adjustment
D
1
0
(The use of a internal pattern)
3.2. EDID Download
▪ HD MODEL
0
1
2
3
4
0
00 FF FF FF FF FF FF 00 1E 6D 01
10
01
17
01
03
80 A0 5A 78 0A F3 30 A4 54
20 0F 49 4B 21
08
30
01
01
01
01
01
40
55
00 C4 8E 21
50
48
88
35
00 BC 77
60
47
20
54
56 0A 20
70
00 3A 3F 1C 44 0F 00 0A 20
80
02
03
28 F1 4F 84
90
20
22 1F 10
26
A0 03 0C 00
10
00
B0 40
80
35
00 BC 88
C0 2D 10
10 3E 96
D0 51 F0 16
00
26 7C 43
E0 80
18
71 1C 16
F0 00
00
00
00
00
▪ 8BIT FHD MODEL
** HDMI 1 : 256Bytes
0
1
2
3
4
0
00 FF FF FF FF FF FF 00 1E 6D 01
10
01
17
01
03
80 A0 5A 78 0A D9 B0 A3 57
20
11
49 4B 21
08
30
01
01 D1 C0 01
40
45
00
08
44
21
50
48
88
35
00 BC 88
60
47
20
54
56 0A 20
70
00 3A 3F 1C 44 0F 00 0A 20
80
02
03
28 F1 4F 90
90
05
20
22 1F 26
A0 03 0C 00
10
00
B0 40
80
35
00 BC 88
C0 2D 10
10 3E 96
D0 51 F0 16
00
26 7C 43
E0 80
18
71 1C 16
F0 00
00
00
00
00
a. White Balance Adjustment
EDID C/S data
Block 0
Check sum
(Hex)
Block 1
- 9 -
** HDMI 1 : 256Bytes
5
6
7
8
9
A
B
C
00
01
00
45
40
01
01
61
40
01
01
01 1D 00
72
51 D0 1E 20 6E 28
00
00 1E 1B 21
50 A0 51
21
00
00 1C 00
00
00 FC 00 4C
20
20
20
20
20
20
00
20
20
20
20
07
01
16
02
03
11
12
11
07
50
09 7F 07
83
01
80 1E 00
01 1D 00
80
51 D0 1C 20
21
00
00 1E 8C 0A D0 8A 20 E0
00
13 8E 21
00
00
18 8C 0A A0 14
00 C4 8E 21
00
00
20
58 2C 25
00 C4 8E 21
00
00
00
00
00
00
00
00
5
6
7
8
9
A
B
C
00
01
00
01
01
45
40
61
40
01
01
02 3A 80
18
71
38 2D 40
00
00 1E 1B 21
50 A0 51
21
00
00 1C 00
00
00 FC 00 4C
20
20
20
20
20
20
00
20
20
20
20
07
01
16
02
03
11
12
11
07
50
09 7F 07
83
01
80 1E 00
01 1D 00
80
51 D0 1C 20
21
00
00 1E 8C 0A D0 8A 20 E0
00
13 8E 21
00
00
18 8C 0A A0 14
00 C4 8E 21
00
00
20
58 2C 25
00 C4 8E 21
00
00
00
00
00
00
00
00
HD
FHD (8Bit)
HDMI
A5
44(HDMI1)
44 (HDMI1)
34(HDMI2)
34 (HDMI2)
LGE Internal Use Only
D
E
F
01
01
01
46
96
26
01
01
01
00 1E 30
00
00 FD
20
01
ⓐ
13
14
05
00
00
68
98
01 1D
00
00 9E
00
00
ⓐ
D
E
F
01
01
01
49 9C 25
01
81
80
58 2C
00 1E 30
00
00 FD
20
01
ⓐ
13
04
14
00
00
68
98
01 1D
00
00 9E
00
00
ⓐ
HDMI
C1
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