Page 1
2 Product Specifications
LT15M23C 2-1
2 Product Specifications
2-1 Specifications
LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 15-Inch viewable, 0.297 mm pixel pitch
Scanning Frequency Horizontal : 30 kHz ~ 60 kHz (Automatic)
Vertical : 56 Hz ~ 75 Hz (Automatic)
Display Colors 16.2 Million colors
Maximum Resolution Horizontal : 1024 Pixels
Vertical : 768 Pixels
Input Video Signal Analog 0.7 Vp-p ± 5% positive at 75 Ω, internally terminated
Input Sync Signal Type : Seperate H/V
Level : TTL level
Active Display
Horizontal/Vertical
AC power voltage & Frequency
AC 120V, ~ 60 Hz
Power Consumption 40 W
Dimensions(W x D x H)
Set 14.2 x 2.5 x 13.3 Inches (360.2 x 64.2 x 338.6 mm)(State of stand disassembled)
14.2 x 7.6 x 15.5 Inches (360.2 x 192.9 x 396.5 mm)(State of stand installed)
Package 18.4 x 17.0 x 6.0 Inches (467 x 431 x 153 mm)
Weight
Set 3.6 Kg (7.9 Ibs)
Environmental Considerations
Operating Temperature : 50 °F ~ 104 °F (10 °C ~ 40 °C)
Operating Humidity : 10 % ~ 80 %
Storage Temperature : -4 °F ~ 113 °F (-20 °C ~ 45 °C)
Storage Humidity : 5 % ~ 95 %
TV System
Antena Input 75Ω, Coaxial Cable
– MAX Internal speaker Output : Right => 2.5W
Left => 2.5W
Sound Characteristic
– Headphone Out: 10mW max (3.50 Stereo Jack 32)
– Output Frequency : RF => 80 Hz ~ 15 kHz at -3dB
A/V => 80 Hz ~ 20 kHz at -3dB
Item
Description
304.1 mm / 228.1 mm
Tunning Frequency Synthesize
System NTSC-M
Sound MONO, STEREO, SAP
Page 2
2 Product Specifications
2-2 LT15M23C
2-2 Pin Assignments
2-2-1 D1/D2 Connector
RCA White
RCA Red
Audio L
GND
Audio R
GND
2-2-2 DTV SOUND
Pin
Separate
ArrangementPin NO.
1
2
3
4
5
GND
Y
C
GND
GND
2-2-3 S-Video
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Y
Y_GND
Pb
PB_GND
Pr
Pr_GND
Preliminary Line1
Line1
Line5
Preliminary Line2
Line3
Switch GND
Preliminary Line3
Switch
Page 3
2 Product Specifications
LT15M23C 2-3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RCA White
RCA Red
CVBS
Audio L
GND
Audio R
GND
2-2-4 A/V
RCA Yellow
Pin
Separate
Red
Green
Blue
GND
GND (DDC Return)
GND-Red
GND-Green
GND-Blue
No Connection
GND-Sync / Self Test
GND
DDC Data
H - Sync
V - Sync
DDC Clock
2-2-5 D-SUB
Page 4
2 Product Specifications
2-4 LT15M23C
Separate Sync
2-3 Timing Char t
This section of the service manual describes the timing that the computer industry recognizes as standard for
computer-generated video signals.
A : Line time total B : Horizontal sync width O : Frame time total P : Vertical sync width
C : Back porch D : Active time Q : Back porch R : Active time
E : Front porch S : Front porch
H/V Composite Sync
Sync-on-Green
VGA
LT15M23C
LT15M23C
LT15M23C
LT15M23C
SVGA
XGA
Table 2-1 Timing Chart
Mode
Resolution
Horizontal
Frequency(kHz)
Vertical
Frequency(Hz)
Pixel
Clock
Frequency(MHz)
Sync
Polarity(H/V)
720X400
640X480
640X480
800X600
800X600
1024X768
1024X768
31.496
31.496
37.500
46.875
37.879
48.363
60.023
70.087
59.940
75.000
75.000
60.317
60.004
75.029
28.322
25.175
31.500
49.500
40.000
65.000
78.750
- / +
- / -
- / -
+ / +
+ / +
- / -
+ / +
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