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Model
55LM760S 55LM760T 55LM761S 55LM765S 55LM765T (CHASSIS:LD22E)
Pages
118
Size
10.67 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lm760s-55lm760t-55lm761s-55lm765s-55lm765t-chass.pdf
Date

LG 55LM760S / 55LM760T / 55LM761S / 55LM765S / 55LM765T (CHASSIS:LD22E) Service Manual ▷ View online

- 6 -
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
1. Application range
This  specification  is  applied  to  the  LCD  TV  used  LD22E 
chassis.
2. Requirement for Test
Each part is tested as below without special appointment.
1) Temperature: 25 °C ± 5 °C(77 °F ± 9 °F), CST: 40 °C ± 5 °C
2) Relative Humidity: 65 % ± 10 %
3) Power Voltage
: Standard input voltage (AC 100-240 V~, 50/60 Hz)
* Standard Voltage of each products is marked by models.
4)  Specification  and  performance  of  each  parts  are  followed 
each  drawing  and  specification  by  part  number  in 
accordance with BOM.
5)  The receiver must be operated for about 20 minutes prior to 
the adjustment.
3. Test method
1) Performance: LGE TV test method followed 
2) Demanded other specification 
- Safety : CE, IEC specification
- EMC : CE, IEC 
- Wireless : Wireless HD Specification (Option)
4. Model General Specification
No.
Item
Specification
Remarks
1
Market
EU(PAL Market-36Countries)
DTV & Analog (Total 37 countries)
DTV (MPEG2/4, DVB-T) : 30 countries
Germany, Netherland, Switzerland, Hungary, Austria, 
Slovenia, Bulgaria, France, Spain, Italy, Belgium, Russia, 
Luxemburg, Greece, Czech, Croatia, Turkey, Moroco, Ire-
land, Latvia, Estonia, Lithuania, Poland, Portugal, Romania, 
Albania, Bosnia, Serbia, Slovakia, Beralus
DTV (MPEG2/4, DVB-T2) : 7 countries
UK, Sweden, Denmark, Finland, Norway, Ukraine, Kaza-
khstan, Ireland
DTV (MPEG2/4, DVB-C) :  37 countries
Germany, Netherland, Switzerland, Hungary, Austria, 
Slovenia, Bulgaria, France, Spain, Italy, Belgium, Russia, 
Luxemburg, Greece, Czech, Croatia, Turkey, Moroco, Ire-
land, Latvia, Estonia, Lithuania, Poland, Portugal, Romania, 
Albania, Bosnia, Serbia, Slovakia, Beralus, UK, Sweden, 
Denmark, Finland, Norway, Ukraine, Kazakhstan
DTV (MPEG2/4,DVB-S) : 30 countries
Germany, Netherland, Switzerland, Hungary, Austria, 
Slovenia, Bulgaria, France, Spain, Italy, Belgium, Russia, 
Luxemburg, Greece, Czech, Croatia, Turkey, Moroco, Ire-
land, Latvia, Estonia, Lithuania, Poland, Portugal, Romania, 
Albania, Bosnia, Serbia, Slovakia, Beralus
Supported satellite : 22 satellites
HISPASAT 1C/1D, ATLANTIC BIRD 2, NILESAT 101/102, 
ATLANTIC  BIRD 3, AMOS 2/3, THOR 5/6, IRIUS 4, EU-
TELSAT-W3A, EUROBIRD 9°, EUTELSAT-W2A, HOTBIRD 
6/8/9, EUTELSAT-SESAT, ASTRA 1L/H/M/KR, ASTRA 
3°/3B, BADR 4/6, ASTRA 2D, EUROBIRD 3, EUTELSAT-
W7, HELLASSAT 2, EXPRESS AM1, TURKSAT 2°/3°, 
INTERSAT10
- 7 -
No.
Item
Specification
Remarks
2
Broadcasting system
1) PAL-BG
2) PAL-DK
3) PAL-I/I’
4) SECAM L/L’, DK, BG, I
5) DVB-T
6) DVB-C
7) DVB-T2
8) DVB-S
DVB-S: Satellite
3
Receiving system
Analog : Upper Heterodyne
Digital : COFDM, QAM
► DVB-T
- 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
► 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
► DVB-C
- Symbolrate :
  4.0Msymbols/s to 7.2Msymbols/s
- Modulation :
  16QAM, 64-QAM, 128-QAM and 256-QAM
► DVB-S/S2
- 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 Gender Jack (1EA) PAL, SECAM
Scart jack is Full scart and support MNT/DTV-OUT
(not support DTV Auto AV)
5
Video Input RCA(1EA)
PAL, SECAM, NTSC
4 System : PAL, SECAM, NTSC, PAL60
AV gender jack 1EA
6
Head phone out
Antenna, AV1, AV2,  Component, 
RGB, HDMI1, HDMI2, HDMI3, 
HDMI4, USB1, USB2, USB3
7
Component Input (1EA)
Y/Cb/Cr
Y/Pb/Pr
Component Gender 1EA
8
RGB Input
RGB-PC
Analog(D-SUB 15PIN)
9
HDMI Input (4EA)
HDMI1-DTV
HDMI2-DTV
HDMI3-DTV
HDMI4-DTV
HDMI4 : PC support(HDMI version 1.3)
Support HDCP
10
Audio Input (3EA)
RGB/DVI Audio
Component
AV
L/R Input
11
SPDIF out (1EA)
SPDIF out
12
USB (3EA)
EMF, DivX HD, For SVC (download)
JPEG, MP3, DivX HD
13
Ethernet Connect(1EA)
Ethernet Connect
- 8 -
5. Component Video Input (Y, C
b
/P
b
, C
r
/P
r
)
6. RGB input (PC)
No.
Resolution
H-freq(kHz)
V-freq(Hz)
Porposed
1
720×480
15.73
60.00
SDTV, DVD 480i
2
720×480
15.63
59.94
SDTV, DVD 480i
3
720×480
31.47
59.94
480p
4
720×480
31.50
60.00
480p
5
720×576
15.625
50.00
SDTV, DVD 625 Line
6
720×576
31.25
50.00
HDTV 576p
7
1280×720
45.00
50.00
HDTV 720p
8
1280×720
44.96
59.94
HDTV 720p
9
1280×720
45.00
60.00
HDTV 720p
10
1920×1080
31.25
50.00
HDTV 1080i
11
1920×1080
33.75
60.00
HDTV 1080i
12
1920×1080
33.72
59.94
HDTV 1080i
13
1920×1080
56.250
50
HDTV 1080p
14
1920×1080
67.5
60
HDTV 1080p
No.
Resolution
H-freq(kHz)
V-freq.(Hz)
Proposed
1
640 x 350 @70Hz
31.468
70.09
EGA
2
720 x 400 @70Hz
31.469
70.08
DOS
3
640 x 480 @60Hz
31.469
59.94
VESA(VGA)
4
800 x 600 @60Hz
37.879
60.31
VESA(SVGA)
5
1024 x 768 @60Hz
48.363
60.00
VESA(XGA)
6
1152 x 864 @60Hz
54.348
60.053
VESA
7
1360 x 768 @60Hz
47.712
60.015
VESA(WXGA)
8
1920 x 1080 @60Hz
67.5
60.00
WUXGA(Reduced Blanking))
- 9 -
7. HDMI Input
7.1. DTV mode
No.
Resolution
H-freq(kHz)
V-freq.(kHz)
Proposed
1.
640*480
31.469 / 31.5
59.94/60
SDTV 480P
2.
720*480
31.469 / 31.5
59.94 / 60
SDTV 480P
3.
720*576
31.25
50
SDTV 576P
4.
720*576
15.625
50
SDTV 576I
5.
1280*720
37.500
50
HDTV 720P
6.
1280*720
44.96 / 45
59.94 / 60
HDTV 720P
7.
1920*1080
33.72 / 33.75
59.94 / 60
HDTV 1080I
8.
1920*1080
28.125
50.00
HDTV 1080I
9.
1920*1080
26.97 / 27
23.97 / 24
HDTV 1080P
10.
1920*1080
25
HDTV 1080P
11.
1920*1080
33.716 / 33.75
29.976 / 30.00
HDTV 1080P
12.
1920*1080
56.250
50
HDTV 1080P
13.
1920*1080
67.43 / 67.5
59.94 / 60
HDTV 1080P
No.
Resolution
H-freq(kHz)
V-freq.(Hz)
Proposed
1
640 x 350 @70Hz
31.468
70.09
EGA
2
720 x 400 @70Hz
31.469
70.08
DOS
3
640 x 480 @60Hz
31.469
59.94
VESA(VGA)
4
800 x 600 @60Hz
37.879
60.31
VESA(SVGA)
5
1024 x 768 @60Hz
48.363
60.00
VESA(XGA)
6
1152 x 864 @60Hz
54.348
60.053
VESA
7
1280 x 1024 @60Hz 63.981
60.020
VESA(SXGA)
8
1360 x 768 @60Hz
47.712
60.015
VESA(WXGA)
9
1920 x 1080 @60Hz 67.5
60.00
WUXGA(Reduced Blanking))
7.2. PC mode
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