LG 42PJ250-SA (CHASSIS:PB02A) Service Manual ▷ View online
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4. General Specification
No
Item
Specification
Remark
1.
Receiving System
1) SBTVD / NTSC / PAL-M / PAL-N
2.
Available Channel
1) VHF : 02~13
2) UHF : 14~69
3) DTV : 07-69 (VHF high/UHF)
4) CATV : 02~135
3.
Input Voltage
1)AC 100 ~ 240V 50/60Hz
4.
Market
BRAZIL
5.
Screen Size
127 cm (50 inch) Wide(1365 X 768)
50PJ350-SA, 50PJ250-SA
106 cm (42 inch) Wide(1024 X 768)
42PJ350-SA, 42PJ250-SA
42PJ230-SB
6.
Aspect Ratio
16:9
7.
Tuning System
FS
8.
Module
PDP50T1#### (1365 X 768)
50PJ350-SA, 50PJ250-SA
PDP42T1#### (1024 X 768)
42PJ350-SA, 42PJ250-SA
42PJ230-SB
9.
Operating Environment
1) Temp : 0 deg ~ 40 deg
2) Humidity : ~ 80 %
10.
Storage Environment
1)Temp : -20 deg ~ 60 deg
2) Humidity : 0 ~ 90 %
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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
2.
720*400
31.469
70.08
28.32
DOS
0
3.
640*480
31.469
59.94
25.17
VESA(VGA)
0
4.
800*600
37.879
60.31
40.00
VESA(SVGA)
0
5.
1024*768
48.363
60.00
65.00
VESA(XGA)
0
6.
1280*768
47.776
59.870
79.5
CVT(WXGA)
0
7.
1360*768
47.712
60.015
85.50
VESA (WXGA)
0
8.
1280*1024
63.981
60.020
108.00
VESA (SXGA)
0
9.
1600*1200
75.00
60.00
162
VESA (UXGA)
0
10
1920*1080
67.5
60
148.5
HDTV 1080P
0
6. RGB Input (PC)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
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
31.50
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
67.50
60
148.50
HDTV 1080P
10.
1920*1080
67.432
59.94
148.352
HDTV 1080P
11.
1920*1080
27.00
24.00
74.25
HDTV 1080P
12.
1920*1080
26.97
23.976
74.176
HDTV 1080P
13.
1920*1080
33.75
30.00
74.25
HDTV 1080P
14.
1920*1080
33.71
29.97
74.176
HDTV 1080P
5. Component Input (Y, C
B
/P
B
, C
R
/P
R
)
- 7 -
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
2
720*400
31.469
70.08
28.32
DOS
0
3
640*480
31.469
59.94
25.17
VESA(VGA)
0
4
800*600
37.879
60.31
40.00
VESA(SVGA)
0
5
1024*768
48.363
60.00
65.00
VESA(XGA)
0
6
1280*768
47.776
59.870
79.5
CVT(WXGA)
0
7
1360*768
47.712
60.015
85.50
VESA (WXGA)
0
8
1280*1024
63.981
60.020
108.00
VESA (SXGA)
0
9
1600*1200
75.00
60.00
162
VESA (UXGA)
0
10
1920*1080
67.5
60
148.5
HDTV 1080P
0
DTV
1
720*480
31.50
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
67.50
60
148.50
HDTV 1080P
8
1920*1080
67.432
59.94
148.352
HDTV 1080P
9
1920*1080
27.00
24.00
74.25
HDTV 1080P
10
1920*1080
26.97
23.976
74.176
HDTV 1080P
11
1920*1080
33.75
30.00
74.25
HDTV 1080P
12
1920*1080
33.71
29.97
74.176
HDTV 1080P
7. HDMI Input(PC/DTV)
- 8 -
ADJUSTMENT INSTRUCTION
1. Application Range
This spec. sheet applies to PB02A Chassis applied PDP TV
all models manufactured in TV factory.
all models manufactured in TV factory.
2. Specification
(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
c
C ± 5 cC of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep 100 V - 240 V,
50 / 60 Hz.
(5) Before adjustment, execute Heat-Run for 5 minutes.
V
After Receive 100% Full white pattern (06CH) then
process Heat-run
process Heat-run
(or “8. Test pattern” condition of Ez-Adjust status)
V
How to make set white pattern
1) Press Power ON button of Service Remocon
2) Press ADJ button of Service remocon. Select “10.
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.
navigation button, 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
(1) Adjust 480i Comp1
(2) Adjust 1080p Comp1/RGB
(2) Adjust 1080p Comp1/RGB
- If it is necessary, it can adjustment at Manufacture Line
- You can see set adjustment status at “9. ADJUST
- You can see set adjustment status at “9. ADJUST
CHECK” of the “In-start menu”
3-2. Set Assembly Adjustment
(1) EDID (The Extended Display Identification Data )
(2) Color Temperature (White Balance) Adjustment
(3) Make sure RS-232C control
(4) Selection Factory output option
(2) Color Temperature (White Balance) Adjustment
(3) Make sure RS-232C control
(4) Selection Factory output option
4. PCB Assembly Adjustment
4-1. Using RS-232C
- Adjust 3 items at 3-1 PCB assembly adjustments
“ (3) Adjustment sequence” one after the order.
(1) Adjustment protocol
(2) Necessary items before Adjustment items
O
Pattern Generator : (MSPG-925FA)
O
Adjust 480i Comp1
(MSPG-925FA:model :209, pattern :65) – Comp1 Mode
O
Adjust 1080p Comp1
(MSPG-925FA:model :225 , pattern :65) – Comp1 Mode
O
Addjust RGB (MSPG-925FA:model :225 , pattern :65)
– RGB-PC Mode
* If you want more information then see the below Adjustment
method (Factory Adjustment)
(3) Adjustment sequence
O
aa 00 00: Enter the ADC Adjustment mode.
O
xb 00 40: Change the mode to Component1 (No actions)
O
ad 00 10: Adjust 480i Comp
O
ad 00 10: Adjust 1080p comp
O
xb 00 60: Change to RGB-PC mode(No action)
O
ad 00 10: Adjust 1080p RGB
O
xb 00 90: Endo of Adjustmennt
< See ADC Adjustment RS232C Protocol_Ver1.0 >
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