LG 42LG70YD (CHASSIS:LJ83A) Service Manual ▷ View online
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8. HDMI Input (PC/DTV)
No.
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel clock(MHz)
Remark
PC
DDC
1
640*350
31.468
70.09
25.17
EGA
X
2
720*400
31.469
70.08
28.32
DOS
O
3
640*480
31.469
59.94
25.17
VESA(VGA)
O
4
640*480
37.861
72.80
31.50
VESA(VGA)
O
5
640*480
37.500
75.00
31.50
VESA(VGA)
O
6
800*600
35.156
56.25
36.00
VESA(SVGA)
O
7
800*600
37.879
60.31
40.00
VESA(SVGA)
O
8
800*600
48.077
72.18
50.00
VESA(SVGA)
O
9
800*600
46.875
75.00
49.50
VESA(SVGA)
O
10
1024*768
48.363
60.00
65.00
VESA(XGA)
O
11
1024*768
56.476
70.06
75.00
VESA(XGA)
O
12
1024*768
60.023
75.02
78.75
VESA(XGA)
O
13
1280*768
47.776
59.870
79.5
CVT(WXGA)
O
14
1360*768
47.712
60.015
85.50
VESA (WXGA)
O
15
1280*1024
63.981
60.020
108.00
VESA (SXGA)
O
16
1280*1024
79.976
75.025
135
VESA (SXGA)
O
17
1600*1200
75.00
60.00
162
VESA (UXGA)
O
18
1920*1080
67.5
60
148.5
HDTV 1080P
O
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
23.94
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
1920*1080
56.25
50.000
148.5
HDTV 1080P
14
1920*1080
28.125
25.000
74.25
HDTV 1080P
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ADJUSTMENT INSTRUCTION
1. Application Range
These instructions are applied to all of the LCD TV, LJ83A
Chassis.
Chassis.
2. Notice
(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.
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order. But it is
flexible when its factory local problem occurs.
(3) The adjustment must be performed in the circumstance of
25±5ºC of temperature and 65±10% of relative humidity if
there is no specific designation.
there is no specific designation.
(4) The input voltage of the receiver must keep 100-220V,
50/60Hz.
(5) Before adjustment, execute Heat-Run for 5 minutes
- After Receive 100% Full white pattern (06CH) then
process Heat-run
(or "8. Test pattern" condition of Ez-Adjust status)
- How to make set white pattern
1) Press Power ON button of Service Remocon
2) Press ADJ button of Service remocon. Select "10. Test
2) Press ADJ button of Service remocon. Select "10. Test
pattern" and, after select "White" using navigation
button, and then you can see 100% Full White pattern
button, and then you can see 100% Full White pattern
* In this status you can maintain Heat-Run useless any
pattern generator
Note) If you maintain one picture over 20 minutes (Especially
sharp distinction black with white pattern - 13Ch, or
Cross hatch pattern - 09Ch) then it can appear image
stick near black level
Cross hatch pattern - 09Ch) then it can appear image
stick near black level
3. PCB Assembly Adjustment
3.1. CPLD DOWNLOAD : JTAG MODE
3.2. << PRINT PORT >> PIN MAP
Pin
JTAG Mode Signal Name
2
TCK
3
TMS
8
TDI
11
TDO
13
-
15
VCC
18 TO 25
GND
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3.3. << 10P WAFER >> PIN MAP
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