LG 42LH40ED / 42LH45ED (CHASSIS:LJ92J) Service Manual ▷ View online
- 7 -
5. Chromiance & Luminance spec.
No
Item
Min
Typ
Max
Unit
Remark
Module
cd/m
LC420WUE-SBC1
1. Max
Luminance
(Center 1-point / Full White
Pattern)
Pattern)
Set
400 500
400 500
cd/m
2.
3.
3.
Luminance uniformity
77
%
Full white
0.638
0.334
0.334
4.
5.
5.
RED
0.290
0.606
0.606
6.
7.
7.
GREEN
0.144
0.064
0.064
8.
9.
9.
BLUE
0.279
10.
Colo
r
coordinate
WHITE
Y
X
Y
X
Y
X
Y
X
Typ.
-0.03
0.292
Typ.
+0.03
11. Color coordinate uniformity
N/A
700:1 1000:1
NORMAL
Contrast ratio
7000:1 10000:1
DCR
Cool
0.281
0.274
0.276
0.283
0.283
0.278
0.285
0.285
Standard
0.291
0.283
0.311
0.285
0.293
0.293
0.287
0.295
0.295
12. Color
Temperature
Warm
0.327
0.313
0.329
0.329
0.315
0.331
0.331
<Test Condition>
85% Full white pattern
85% Full white pattern
** The W/B Tolerance is
–0.015 for Adjustment
–0.015 for Adjustment
Dynamic contrast : off
Dynamic color : off
OPC : off
Dynamic color : off
OPC : off
13. Color Distortion, DG
10.0
%
14. Color Distortion, DP
10.0
deg
15. Color S/N, AM/FM
43.0
dB
16. Color Killer Sensitivity
-80
dBm
6. Component Input (Y, C
B
/P
B
, C
R
/P
R
)
No
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock
Proposed
1. 720*480
15.73
60
13.5135
SDTV
,DVD
480I
2. 720*480
15.73
59.94
13.5
SDTV
,DVD
480I
3. 720*480
31.47
60
27.027
SDTV
480P
4. 720*480
31.47
59.94
27.0
SDTV
480P
5. 1280*720
45.00
60.00
74.25
HDTV
720P
6. 1280*720
44.96
59.94
74.176
HDTV
720P
7. 1920*1080
33.75
60.00
74.25
HDTV
1080I
8. 1920*1080
33.72
59.94
74.176
HDTV
1080I
9. 1920*1080
67.500
60
148.50
HDTV
1080P
10. 1920*1080
67.432
59.939
148.352
HDTV
1080P
11. 1920*1080
27.000
24.000
74.25
HDTV
1080P
12. 1920*1080
26.97
23.94
74.176
HDTV
1080P
13. 1920*1080
33.75
30.000
74.25
HDTV
1080P
14. 1920*1080
33.71
29.97
74.176
HDTV
1080P
15. 1920*1080
56.25
50.000
148.5
HDTV
1080P
16. 1920*1080
28.125
25.000
74.25
HDTV
1080P
- 8 -
7. RGB Input (PC)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
PC
DDC
1. 640*350
31.468
70.09
25.17
EGA
X
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
2. 720*400
31.469
70.08
28.32
DOS
3. 640*480
31.469
59.94
25.17
VESA(VGA)
4. 800*600
35.156
56.25
36.00
VESA(SVGA)
5. 800*600
37.879
60.31
40.00
VESA(SVGA)
6. 1024*768
48.363
60.00
65.00
VESA(XGA)
7. 1280*768
47.776
59.870
79.5
CVT(WXGA)
8. 1360*768
47.712
60.015
85.50
VESA
(WXGA)
9. 1280*1024
63.981
60.020
108.00
VESA
10. 1600*1200
75.00
60.00
162
VESA
(UXGA)
11 1920*1080
67.5
60
148.5
HDTV
1080P
** RGB PC Monitor Range Limits
- Min Vertical Freq - 56 Hz
- Max Vertical Freq - 62 Hz
- Min Horiz. Freq - 30 kHz
- Max Horiz. Freq - 80 kHz
- Pixel Clock - 170 MHz
- Max Vertical Freq - 62 Hz
- Min Horiz. Freq - 30 kHz
- Max Horiz. Freq - 80 kHz
- Pixel Clock - 170 MHz
8. HDMI Input (PC/DTV)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
PC
DDC
1 640*350
31.468
70.09
25.17
EGA
X
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
2 720*400
31.469
70.08
28.32
DOS
3 640*480
31.469
59.94
25.17
VESA(VGA)
4 800*600
35.156
56.25
36.00
VESA(SVGA)
5 800*600
37.879
60.31
40.00
VESA(SVGA)
6 1024*768
48.363
60.00
65.00
VESA(XGA)
7 1280*768
47.776
59.870
79.5
CVT(WXGA)
8
1360*768
47.712
60.015
85.50
VESA (WXGA)
9 1280*1024
63.981
60.020
108.00
VESA
(SXGA)
10 1600*1200
75.00
60.00
162
VESA
(UXGA)
11 1920*1080
66.587
59.934
138.5
HDTV
1080P
DTV
1 720*480
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
17. 1920*1080
56.25
50.000
148.5
HDTV
1080P
18. 1920*1080
28.125
25.000
74.25
HDTV
1080P
** HDMI Monitor Range Limits
- Min Vertical Freq - 56 Hz
- Max Vertical Freq - 62 Hz
- Min Horiz. Freq - 30 kHz
- Max Horiz. Freq - 80 kHz
- Pixel Clock - 170 MHz
- Max Vertical Freq - 62 Hz
- Min Horiz. Freq - 30 kHz
- Max Horiz. Freq - 80 kHz
- Pixel Clock - 170 MHz
- 9 -
9. Consignment Setting (OUTGOING CONDITION)
10. Mechanical Specification
No
Item
Condition
1. Input
Mode
TV02CH
2. Volume
Level
10
3. Mute
Off
4. Aspect
Ratio
16:9
5. System
Color
PAL-M
6 Booster
On
Picture Mode
Vivid
Backlight
Contrast
Brightness
Sharpness
Color
Contrast
Brightness
Sharpness
Color
70
70
0
0
100
100
50
100
50
Tint
Color Temperature
Cool
7. Picture
Picture Reset
Sound Mode
Standard
Auto Volume
Off
Clear Voice
Off
SRS TruSurround XT
Off
Balance
8. Audio
TV Speaker
On
On
Clock
Auto
9. Time
Off Timer / On Timer
Sleep Timer / Auto Sleep
Sleep Timer / Auto Sleep
Off
Language (Menu/Audio)
Portugues
SimpLink
Key Lock
Key Lock
Off
Off
Caption
10. Option
Set ID
1
11. Channel Memory
RF : 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 30, 51, 63
CATV : 15, 16, 17
14, 30, 51, 63
CATV : 15, 16, 17
No.
Item
Con tent
Unit
Remark
Width (W)
Length (D)
Height (H)
mm
721.3
1036
296.2
1036
89.8
1330
228
mm
With Stand
Before Packing
655.4
mm
Without Stand
1.
Product
Dim ension
Dim ension
After Packing
770
mm
With Stand
19.5kg
With Stand
Only SET
17.7Kg
Without Stand
2.
Product
Weight
Weight
With BOX
24.0kg
Kg
Kg
Kg
With Stand
40ft
40ft(H-CUBIC)
Indi. Woo den Indi. Wooden
3.
Container
Loading
Quantity
Loading
Quantity
Individual or Palletizing
270 -
270 -
4. Stand
Assy
Swivel Degree
Swivel Force
Swivel(+/- 20degree)
1.5 Kgf(0.8Kgf ~ 2.5Kgf)
5. Appearance General
Refer to Standard of LG(56)G4-9002
- 10 -
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied all of the LJ91D, LJ92J
LCD TV models, which produced in manufacture department
or similar LG TV factory.
LCD TV models, which produced in manufacture department
or similar LG TV factory.
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 ±5°C 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 “8. Test
2) Press ADJ button of Service remocon. Select “8. Test
pattern” and, after select “White” using navigation button,
and then you can see 100% Full White pattern.
and then you can see 100% Full White pattern.
* In this status you can maintain Heat-Run useless any
pattern generator
* Notice: 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.
13Ch, or Cross hatch pattern – 09Ch) then it can appear
image stick near black level.
3. Adjustment Items
3.1 PCB Assembly adjustment
• CPLD DOWNLOAD
• Adjust 480i Comp1
• Adjust 1080p Comp1/RGB
• Adjust 480i Comp1
• Adjust 1080p Comp1/RGB
- If it is necessary, it can adjustment at Manufacture Line
- You can see set adjustment status at “1. ADJUST
- You can see set adjustment status at “1. ADJUST
CHECK” of the “In-start menu”
3.2 Set Assembly Adjustment
• EDID (The Extended Display Identification Data ) / DDC
(Display Data Channel) download
• Color Temperature (White Balance) Adjustment
• Make sure RS-232C control
• Selection Factory output option
• Make sure RS-232C control
• Selection Factory output option
4. PCB Assembly Adjustment
4.1. CPLD DOWNLOAD : JTAG MODE
4.2. << 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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