DOWNLOAD LG 84LA980T-DC (CHASSIS:LT34E) Service Manual ↓ Size: 10.82 MB | Pages: 111 in PDF or view online for FREE

Name: LG 84LA980T-DC (CHASSIS:LT34E)
Brand: LG
SKU: 80955
Rating: 4 (1 reviews)

Model: 84LA980T-DC (CHASSIS:LT34E)
Pages: 111
Size: 10.82 MB
Type: PDF
Document: Service Manual
Brand: LG
Device: TV / LCD
File: 84la980t-dc-chassis-lt34e.pdf
Date: 2018-11-20

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- 9 -
5.2.1. HDMI Input (PC/DTV)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
HDMI-PC
DDC
1
640*350
31.468
70.09
25.17
EGA
Х
2
720*400
31.469
70.08
28.32
DOS
O
3
640*480
31.469
59.94
25.17
VESA(VGA)
O
4
800*600
37.879
60.31
40.00
VESA(SVGA)
O
5
1024*768
48.363
60.00
65.00
VESA(XGA)
O
6
1152*864
54.348
60.053
80.00
VESA
O
7
1280*1024
63.981
60.020
108.00
VESA (SXGA)
O
8
1360*768
47.712
60.015
85.50
VESA (WXGA)
O
9
1920*1080
67.5
60
148.5
WUXGA
(Reduced Blanking)
O
10
3840*2160
54
24.00
297.00
UDTV 2160P
Only UD Model
11
3840*2160
56.25
25.00
297.00
UDTV 2160P
Only UD Model
12
3840*2160
67.5
30.00
297.00
UDTV 2160P
Only UD Model
HDMI-DTV
1
720*480
31.47
60
27.027
SDTV 480P
2
720*480
31.47
59.94
27.00
SDTV 480P
3
1280*720
45.00
60.00
74.25
HDTV 720P
4
1280*720
44.96
59.94
74.176
HDTV 720P
5
1920*1080
33.75
60.00
74.25
HDTV 1080I
6
1920*1080
33.72
59.94
74.176
HDTV 1080I
7
1920*1080
67.500
60
148.50
HDTV 1080P
8
1920*1080
67.432
59.939
148.352
HDTV 1080P
9
1920*1080
27.000
24.000
74.25
HDTV 1080P
10
1920*1080
26.97
23.976
74.176
HDTV 1080P
11
1920*1080
33.75
30.000
74.25
HDTV 1080P
12
1920*1080
33.71
29.97
74.176
HDTV 1080P
13
3840*2160
53.95
23.976
297.00
UDTV 2160P
14
3840*2160
54
24.00
297.00
UDTV 2160P
15
3840*2160
56.25
25.00
297.00
UDTV 2160P
16
3840*2160
61.43
29.970
297.00
UDTV 2160P
17
3840*2160
67.5
30.00
297.00
UDTV 2160P

- 10 -
5.2. 3D mode
5.2.1. HDMI Input 1.4b (3D supported mode automatically)
No.
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock(MHz)
VIC
3D input proposed mode
1
640*480
31.469 / 31.5
59.94/ 60
25.175/25.2
1
Top-and-Bottom
Side-by-side(half)
Secondary(SDTV 480P)
Secondary(SDTV 480P)
2
62.938 / 63
59.94/ 60
50.35/50.4
1
Frame packing
Line alternative
Secondary(SDTV 480P)
(SDTV 480P)
3
31.469 / 31.5
59.94/ 60
50.35/50.4
1
Side-by-side(Full)
(SDTV 480P)
4
720*480
31.469 / 31.5
59.94 / 60
27.00/27.03
2,3
Top-and-Bottom
Side-by-side(half)
Secondary(SDTV 480P)
Secondary(SDTV 480P)
5
62.938 / 63
59.94 / 60
54/54.06
2,3
Frame packing
Line alternative
Secondary(SDTV 480P)
(SDTV 480P)
6
31.469 / 31.5
59.94 / 60
54/54.06
2,3
Side-by-side(Full)
(SDTV 480P)
7
720*576
31.25
50
27
17,18 Top-and-Bottom
Side-by-side(half)
Secondary(SDTV 576P)
Secondary(SDTV 576P)
8
62.5
50
54
17,18 Frame packing
Line alternative
Secondary(SDTV 576P)
(SDTV 576P) 
9
31.25
50
54
17,18 Side-by-side(Full)
(SDTV 576P)
10
1280*720
37.5
50
74.25
19
Top-and-Bottom
Side-by-side(half)
Primary(HDTV 720P)
Primary(HDTV 720P)
11
75
50
148.5
19
Frame packing
Line alternative
Primary(HDTV 720P)
(HDTV 720P)
12
37.5
50
148.5
19
Side-by-side(Full)
 (HDTV 720P)
13
44.96 / 45
59.94 / 60
74.18/74.25
4
Top-and-Bottom
Side-by-side(half)
Primary(HDTV 720P)
Primary(HDTV 720P)
14
89.91 / 90
59.94 / 60
148.35/148.5
4
Frame packing
Line alternative
Primary(HDTV 720P)
(HDTV 720P)
15
44.96 / 45
59.94 / 60
148.35/148.5
4
Side-by-side(Full)
 (HDTV 720P)
16
1920*1080
33.72 / 33.75
59.94 / 60
74.18/74.25
5
Top-and-Bottom
Side-by-side(half)
Secondary(HDTV 1080I)
Primary(HDTV 1080I)
17
67.432 / 67.5
59.94 / 60
148.35/148.5
5
Frame packing
Line alternative
Primary(HDTV 1080I)
(HDTV 1080I)
18
33.72 / 33.75
59.94 / 60
148.35/148.5
5
Side-by-side(Full)
(HDTV 1080I)
19
28.125
50.00
74.25
20
Top-and-Bottom
Side-by-side(half)
Secondary(HDTV 1080I)
Primary(HDTV 1080I)
20
56.25
50.00
148.5
20
Frame packing
Line alternative
Primary(HDTV 1080I)
(HDTV 1080I)
21
28.125
50.00
148.5
20
Side-by-side(Full)
 (HDTV 1080I)
22
26.97 / 27
23.97 / 24
74.18/74.25
32
Top-and-Bottom
Side-by-side(half)
Primary(HDTV 1080P)
Primary(HDTV 1080P)
23
43.94 / 54
23.97 / 24
148.35/148.5
32
Frame packing
Line alternative
Primary(HDTV 1080P)
(HDTV 1080P)
24
26.97 / 27
23.97 / 24
148.35/148.5
32
Side-by-side(Full)
 (HDTV 1080P)
25
28.125
25
74.25
33
Top-and-Bottom
Side-by-side(half)
Secondary(HDTV 1080P)
Secondary(HDTV 1080P)
26
56.25
25
148.5
33
Frame packing
Line alternative
Secondary(HDTV 1080P)
(HDTV 1080P)
27
28.125
25
148.5
33
Side-by-side(Full)
(HDTV 1080P)

- 11 -
No.
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock(MHz)
VIC
3D input proposed mode
28
1920*1080
33.716 / 33.75
29.976 / 30.00
74.18/74.25
34
Top-and-Bottom
Side-by-side(half)
Primary(HDTV 1080P)
Secondary(HDTV 1080P)
29
67.432 / 67.5
29.976 / 30.00
148.35/148.5
34
Frame packing
Line alternative
Primary(HDTV 1080P)
(HDTV 1080P)
30
33.716 / 33.75
29.976 / 30.00
148.35/148.5
34
Side-by-side(Full)
(HDTV 1080P)
31
56.25
50
148.5
31
Top-and-Bottom
Side-by-side(half)
Primary(HDTV 1080P)
Secondary(HDTV 1080P)
32
67.43 / 67.5
59.94 / 60
148.35/148.50
16
Frame packing
Line alternative
Primary(HDTV 1080P)
Secondary(HDTV 1080P)
5.2.2. HDMI Input(1.3)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
3D input proposed mode
1
720*480
31.5
60
27.03
SDTV 480P
2D to 3D, Side by Side(Half), 
Top & Bottom, Checker Board, 
Frame Sequential, 
Row Interleaving, 
Column Interleaving
2
720*576
31.25
50
27
SDTV 576P
3
1280*720
45.00
60.00
74.25
HDTV 720P
4
1280*720
37.500
50
74.25
HDTV 720P
5
1920*1080
33.75
60.00
74.25
HDTV 1080I
2D to 3D, Side by Side(Half), 
Top & Bottom
6
1920*1080
28.125
50.00
74.25
HDTV 1080I
7
1920*1080
27.00
24.00
74.25
HDTV 1080P
2D to 3D, Side by Side(Half), 
Top & Bottom, Checker Board, 
Row Interleaving, 
Column Interleaving
8
1920*1080
28.12
25
74.25
HDTV 1080P
9
1920*1080
33.75
30.00
74.25
HDTV 1080P
10
1920*1080
67.50
60.00
148.5
HDTV 1080P
2D to 3D, Side by Side(Half), 
Top & Bottom,
Checker Board, 
Single Frame Sequential,
Row Interleaving, 
Column Interleaving
11
1920*1080
56.250
50
148.5
HDTV 1080P
5.2.3. RF Input(3D supported mode manually)
No
Resolution
Proposed
3D input proposed mode
1
HD (DTV)
1080I
720P
2D to 3D
Side by Side(Half)
Top & Bottom
2
SD (DTV)
576P
576I
3
SD (ATV : CVBS / SCART)
-
5.2.4. RF Input(3D supported mode automatically)
No
Signal
3D input proposed mode
1
Frame Compatible
Side by Side(Half),
Top & Bottom

- 12 -
5.2.5. USB, DLNA (Movie) Input (3D supported mode manually)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
3D input proposed mode
1
Under 704x480
-
-
-
2D to 3D
2.
Over 704x480 interlaced
-
-
-
2D to 3D, Side by Side(Half), 
Top & Bottom
3.
Over 704x480 progressive
-
50 / 60
-
2D to 3D, Side by Side(Half), 
Top & Bottom, Checker Board, 
Row Interleaving, Column Interleaving, 
Frame Sequential
4.
Over 704x480 progressive
-
others
-
2D to 3D, Side by Side(Half), 
Top & Bottom, Checker Board, 
Row Interleaving, Column Interleaving
5.2.6. USB, DLNA (Photo) Input (3D supported mode manually)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
3D input proposed mode
1
Under 320x240
-
-
-
2D to 3D
2.
Over 320x240
-
-
-
2D to 3D, Side by Side(Half), 
Top & Bottom
* USB, DNLA Input (3D supported mode automatically)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
3D input proposed mode
1
1080P
33.75
30
-
Side by Side(Half), Top & Bottom, 
Checker Board, MPO(Photo)
5.2.7. HDMI-PC Input(3D supported mode manually)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
3D input proposed mode
Proposed
1
1024*768
48.36
60
65
2D to 3D,
Side by Side(half), 
Top & Bottom
HDTV 768P
2.
1360*768
47.71
60
85.5
HDTV 768P
3.
1920*1080
67.500
60
148.50
2D to 3D,
Side by Side(half)
Top & Bottom,
Checker Board,
Single Frame Sequential
Row Interleaving, 
Column Interleaving
HDTV 1080P
4.
Others
-
-
-
2D to 3D,
Side by Side(half)
Top & Bottom
640*350
720*400
640*480
800*600
1152*864

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