DOWNLOAD LG 42LY99-ZC (CHASSIS:LD75C) Service Manual ↓ Size: 4.83 MB | Pages: 28 in PDF or view online for FREE

Model
42LY99-ZC (CHASSIS:LD75C)
Pages
28
Size
4.83 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42ly99-zc-chassis-ld75c.pdf
Date
PREV: LG 42LY96-ZB (CHASSIS:LD75A) Service Manual

LG 42LY99-ZC (CHASSIS:LD75C) Service Manual ▷ View online

- 6 -
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
2. MODEL Gereral  Specification
No
Item
Specification
Remark
1.
Market
UK, German, Italy, France, Sweden, Finland,
Analog only
Spain, Netherlands, Belgium, Luxemburg, Greece,
Denmark, Czech, Austria, 
Rumania, Poland,
Portugal, Norway, Rumania, Hungary, Bulgaria,
Croatia, Serbia, Swiss, Slovenia, Russia
2.
Broadcasting system
1)  PAL-BG / I /I’/DK
2)  SECAM L/L’
3)  DVB-T
3.
Receiving system
Analog : Upper Heterodyne
Digital : COFDM
4.
Scart Jack (2EA)
PAL, SECAM
Scart 2 Jack : MNT / DTV output
5.
Video Input (1EA)
PAL, SECAM, NTSC
4 System : PAL, SECAM, NTSC, PAL60
6.
S-Video Input (1EA)
PAL, SECAM, NTSC
4 System : PAL, SECAM, NTSC, PAL60
7.
Component Input (1EA)
Y/Cb/Cr, Y/Pb/Pr
8.
RGB Input (1EA)
RGB-PC
9.
HDMI Input (3 EA)
HDMI-DTV & SOUND
10.
Audio Input (3 EA)
PC Audio, Component, AV
L/R Input
1. General Specification (LCD MODULE)
No
Item
Specification
Remark
1. 
Display Screen Device
42inch Full-HD 100Hz(WCG)
LCD
2. Aspect 
Ratio
16:9
3. LCD 
Module
42LY99(LC420WU4-SLA2)
4. 
Operating Environment
1) Temp.   : 0 ~ 40 deg
2) Humidity : 10 ~ 90%
LGE SPEC
5. 
Storage Environment
3) Temp.   : -20 ~ 50 deg
4) Humidity : 10 ~ 90 %
6. 
Input Voltage
100 - 240V~, 50/60Hz
- 7 -
3. Chroma & Brightness (LCD Module)
4. Component Video Input (Y, P
B
, P
R
)
No
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel clock(MHz)
Proposed
1 
720*480
15.73
59.94
13.500
SDTV, DVD 480I(525I)
2 
720*480
15.75
60.00
13.514
SDTV, DVD 480I(525I)
3 
720*576
15.625
50.00
13.500
SDTV, DVD 576I(625I)
4 720*480
31.47
59.94
27.000
SDTV 
480P
5 720*480
31.50
60.00
27.027
SDTV 
480P
6 720*576
31.25
50.00
27.000
SDTV 
576P
7 1280*720
44.96
59.94
74.176
HDTV 
720P
8 1280*720
45.00
60.00
74.250
HDTV 
720P
9 1280*720
37.50
50.00
74.25
HDTV 
720P
10 1920*1080
33.72
59.94
74.176
HDTV 
1080I
11 1920*1080
33.75
60.00
74.250
HDTV 
1080I
12
1920*1080
28.125
50.00
74.250
HDTV 1080I
13
1920*1080
67.50
60.00
148.50
HDTV 1080P
No
Item
Min.
Typ.
Max
Unit
Remark
1
Viewing Angle<CR>10>
R/L
178
U/D
178
2.
White average brightness
400
500
-
cd/m
- 100IRE Full White Pattern (255 gray)
- Picture : Dynamic (Cool)
3.
Brightness uniformity
1.3
cd/m
- 100IRE Full White Pattern (255 gray)
- Picture : Dynamic (Cool)
4.
Color Coordinate
White
X
Typ
0.279
Typ
- 85IRE Full White Pattern (216 gray)
Y
-0.03
0.292
+0.03
- Picture : Dynamic (Cool)
Red
X
0.663
Y
0.324
Green
X
0.194
Y
0.659
Blue
X
0.141
Y
0.082
5.
Color coordinate uniformity
-0.03
Average
+0.03
- 85IRE Full White Pattern (216 gray)
- Picture : Dynamic (Cool)
6.
Contrast Ratio
CR with
7000 : 1
10000 :1
- Full white(100IRE)
at dark room
PWM-Dimming
- Full black(0IRE) pattern
CR without
7000 : 1
10000 :1
- Picture : Dynamic (Cool)
PWM-Dimming
- Input : TV/DTV/AV1,2,3/Comp/HDMI1,2
-> CR with PWM-Dimming
RGB/HDMI-PC 
-> CR without PWM-Dimming
- 8 -
5. RGB PC INPUT (PC)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remarks
1.
720*400
31.468
70.08
28.32
2.
640*480
31.469
59.94
25.17
VESA
848*480 60Hz, 852*480 60Hz
37.500
75.00
31.50
-> Display 640*480 60H 
3
800*600
37.879
60.31
40.00
VESA
46.875
75.00
49.50
4.
832*624
49.725
74.55
57.283
Macintosh
5
1024*768
48.363
60.00
65.00
VESA(XGA)
56.476
70.00
75.00
60.023
75.03
78.75
6
1280*768
47.693
59.99
80.125
WXGA
7
1360*768
47.649
59.94
84.625
WXGA
8
1366*768
47.649
59.94
84.625
WXGA
9
1280*1024
63.595
60.0
108.875
SXGA
10
1400*1050
65.160
60.0
122.50
SXGA
11
1920*1080
66.647
59.988
138.625
WUXGA
Reduced Blanking Timing
6. HDMI input (DTV)
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remarks
1.
720*480
31.47
59.94
27.00
SDTV 480P(4:3)
PC mode -> Display 640*480
2.
720*480
31.50
60
27.027
SDTV 480P(4:3)
3.
640*480
31.469
59.94
25.175
SDTV 480P(4:3)
4.
640*480
31.469
60.00
25.20
SDTV 480P(4:3)
5.
720*480
31.47
59.94
27.000
SDTV 480P(16:9)
6.
720*480
31.50
60.00
27.027
SDTV 480P(16:9)
7.
720*576
31.25
50.00
27.000
SDTV 576P
8.
1280*720
37.50
50.00
74.176
HDTV 720P
9.
1280*720
44.96
59.94
74.176
HDTV 720P
PC mode ->
10.
1280*720
45.00
60.00
74.250
HDTV 720P
Display 1280*768 60Hz
11
1920*1080
33.72
59.94
74.176
HDTV 1080I
12
1920*1080
33.75
60.00
74.250
HDTV 1080I
13
1920*1080
28.125
50.00
74.250
HDTV 1080I 50Hz
14
1920*1080
27.000
24.00
74.250
HDTV 1080P 24Hz
15
1920*1080
56.250
50
148.500
HDTV 1080P 50Hz
16
1920*1080
67.433
59.94
148.352
HDTV 1080P
PC mode ->
17
1920*1080
67.500
60
148.500
HDTV 1080P
Display 1920*1080 60Hz
- 9 -
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remarks
1.
720*400
31.468
70.08
28.32
2.
640*480
31.469
59.94
25.17
VESA
DTV mode -> Display 480p
37.500
75.00
31.50
848*480 60Hz, 852*480 60Hz
:Display No signal
3
800*600
37.879
60.31
40.00
VESA
46.875
75.00
49.50
4.
832*624
49.725
74.55
57.283
Mcintosh
5
1024*768
48.363
60.00
65.00
VESA(XGA)
56.476
70.00
75.00
60.023
75.03
78.75
6
1280*768
47.693
59.99
80.125
WXGA
7
1360*768
47.649
59.94
84.625
WXGA
8
1366*768
47.649
59.94
84.625
WXGA
9
1280*1024
63.595
60.0
108.875
SXGA
10
1400*1050
65.160
60.0
122.50
SXGA
11
1600*1200
74.077
60.0
130.375
UXGA
Reduced Blanking Timing
Input 1920*1200 60Hz ->No Signal
12
1920*1080
66.647
59.988
138.625
WUXGA
Reduced Blanking Timing
DTV mode -> 1080P Display
7. HDMI input (PC)
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