LG 47LV470S (CHASSIS:LD12B) Service Manual ▷ View online
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No. Item
Specification
Remarks
3
Receiving system
Analog : Upper Heterodyne
G
DVB-T
Digital : COFDM , QAM
- Guard Interval(Bitrate_Mbit/s)
1/4, 1/8, 1/16, 1/32
- Modulation : Code Rate
QPSK : 1/2, 2/3, 3/4, 5/6, 7/8
16-QAM : 1/2, 2/3, 3/4, 5/6, 7/8
64-QAM : 1/2, 2/3, 3/4, 5/6, 7/8
G
DVB-C
- Symbolrate : 4.0Msymbols/s to 7.2Msymbols/s
- Modulation : 16QAM, 64-QAM, 128-QAM and 256-QAM
G
DVB-T2
- Guard Interval(Bitrate_Mbit/s)
1/4,1/8,1/16,1/32,1/128,19/128,19/256,
- Modulation : Code Rate
QPSK : 1/2, 2/5, 2/3, 3/4, 5/6
16-QAM : 1/2, 2/5, 2/3, 3/4, 5/6
64-QAM : 1/2, 2/5, 2/3, 3/4, 5/6
256-QAM : 1/2, 2/5, 2/3, 3/4, 5/6
G
DVB-S
- Symbolrate
DVB-S2 (8PSK / QPSK) : 2 ~ 45Msymbol/s
DVB-S (QPSK) : 2 ~ 45Msymbol/s
- viterbi
DVB-S mode : 1/2, 2/3, 3/4, 5/6, 7/8
DVB-S2 mode : 1/2, 2/3, 3/4, 3/5, 4/5, 5/6, 8/9, 9/10
4
Scart Jack (1EA)
PAL, SECAM
Scart Jack is Full scart and support RF-OUT(analog & DTV)
Not support DTV Auto AV.
5
Video Input RCA(1EA) PAL, SECAM, NTSC
4System : PAL, SECAM, NTSC, PAL60
6
Component Input(1EA) Y/Cb/Cr, Y/Pb/Pr
7
RGB Input
RGB-PC
Analog(D-SUB 15PIN)
8
HDMI Input (3EA)
HDMI1-DTV (DVI)
PC(HDMI version 1.3)
HDMI2-DTV
Support HDCP
HDMI3-DTV
9
Audio Input (3EA)
RGB/DVI Audio, Component, AV
L/R Input
10
SDPIF out (1EA)
SPDIF out
11
Earphone out (1EA)
Antenna, AV1, AV2, AV3, Component,
RGB, HDMI1, HDMI2, HDMI3, USB
12
USB (1EA)
EMF
JPEG, MP3
For Service (download)
DivX HD
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5. Component Video Input (Y, C
B
/P
B
, C
R
/P
R
)
No.
Specification
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
1.
720x480 15.73
60.00
SDTV,DVD
480i
2.
720x480 15.63
59.94
SDTV,DVD
480i
3.
720x480
31.47
59.94 480p
4.
720x480
31.50
60.00 480p
5.
720x576
15.625
50.00
SDTV,DVD 625 Line
6.
720x576 31.25
50.00
HDTV
576p
7.
1280x720
45.00
50.00 HDTV
720p
8.
1280x720
44.96
59.94 HDTV
720p
9.
1280x720 45.00
60.00
HDTV
720p
10.
1920x1080 31.25
50.00
HDTV
1080i
11.
1920x1080
33.75
60.00 HDTV
1080i
12.
1920x1080 33.72
59.94
HDTV
1080i
13.
1920x1080 56.250
50
HDTV
1080p
14.
1920x1080
67.5 60 HDTV
1080p
No.
Specification
Proposed
Remarks
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
1.
720*400
31.468
70.08
28.321
For only DOS mode
2.
640*480
31.469
59.94
25.17
VESA
Input 848*480 60 Hz, 852*480 60 Hz
-> 640*480 60 Hz Display
3.
800*600
37.879
60.31
40.00 VESA
4.
1024*768 48.363 60.00
65.00 VESA(XGA)
5.
1360*768 47.72
59.8
84.75
WXGA
6.
1920*1080 66.587
59.93
138.625 WUXGA
FHD
model
6. RGB Input (PC)
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7. HDMI Input
(1) DTV Mode
No.
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1.
720*400 31.468
70.08
28.321
HDCP
2.
640*480 31.469
59.94
25.17
VESA HDCP
3. 800*600
37.879
60.31
40.00
VESA
HDCP
4.
1024*768
48.363
60.00 65.00
VESA(XGA)
HDCP
5.
1360*768 47.72 59.8 84.75
WXGA HDCP
6.
1280*1024
63.595
60.0
108.875
SXGA
HDCP/FHD model
7.
1920*1080 67.5
60.00
138.625 WUXGA
HDCP/FHD
model
(2) PC Mode
No.
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1.
720*480
31.469 / 31.5
59.94 / 60
27.00 / 27.03
SDTV 480P
2.
720*576 31.25
50
54
SDTV
576P
3.
1280*720 37.500
50
74.25
HDTV
720P
4.
1280*720
44.96 / 45
59.94 / 60
74.17 / 74.25
HDTV 720P
5.
1920*1080
33.72 / 33.75
59.94 / 60
74.17 / 74.25
HDTV 1080I
6.
1920*1080 28.125 50.00
74.25
HDTV
1080I
7.
1920*1080
26.97 / 27
23.97 / 24
74.17 / 74.25
HDTV 1080P
8.
1920*1080
33.716 / 33.75
29.976 / 30.00
74.25
HDTV 1080P
9.
1920*1080 56.250 50
148.5
HDTV
1080P
10.
1920*1080
67.43 / 67.5
59.94 / 60
148.35 / 148.50
HDTV 1080P
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ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV with
LD12B chassis.
LD12B 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.
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
(3) The adjustment must be performed in the circumstance of
25 ºC ± 5 ºC of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep AC 100-240
V~, 50 / 60Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15.
15.
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
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.
20 °C, it should be placed in the circumstance of above 15
°C for 3 hours.
[Caution]
When still image is displayed for a period of 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.
When still image is displayed for a period of 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. Automatic Adjustment
3.1. MAC Address
(1) Equipment & Condition
- Play file: Serial.exe
- MAC Address edit
- Input Start / End MAC address
- MAC Address edit
- Input Start / End MAC address
(2) Download method
1) Communication Prot connection
Connect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port
2) MAC Address & CI+ key Download
- Set CI+ key path Directory at start Mac & CI Download
Program
- Com 1,2,3,4 and 115200(Baud rate)
- Port connection button click(1)
- Push the (2) MAC Address write.
- At success Download, check the OK(3).
- Start CI+ Download, Push the (4).
- Check the OK or NG.(5)
- Port connection button click(1)
- Push the (2) MAC Address write.
- At success Download, check the OK(3).
- Start CI+ Download, Push the (4).
- Check the OK or NG.(5)
3.2. LAN
(1) Equipment & Condition
A
Each other connection to LAN Port of IP Hub and Jig
(2) LAN inspection solution
A
LAN Port connection with PCB
A
Network setting at MENU Mode of TV
A
setting automatic IP
A
Setting state confirmation
-> If automatic setting is finished, you confirm IP and
MAC Address.
PCBA
PC(RS-232C)
RS-232C Po rt
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