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2 Product Specifications
2 Product Specifications
2-1 LW17M24C, LW20M21C Specifications
Description Item LW17M24C LCD Panel Scanning Frequency Display Colors Maximum Resolution Input Video Signal Input Sync Signal Active Display Horizontal/Vertical
AC power voltage & Frequency TFT-LCD panel, RGB vertical stripe, normaly white, 17-Inch viewable, 0.264 (H) x 0.264(V)mm pixel pitch Horizontal : 30 kHz ~ 80 kHz (Automatic) Vertical : 50 Hz ~ 75 Hz (Automatic)
LW20M21C
TFT-LCD panel, RGB vertical stripe, normaly white, 20-Inch viewable, 0.2125(H) x 0.6375(V) mm pixel pitch Horizontal : 28 kHz ~ 33 kHz (Automatic) Vertical : 50 Hz ~ 70 Hz (Automatic)
16.2 Million colors Horizontal : 1280 Pixels Vertical : 1024 Pixels Horizontal : 640 Pixels Vertical : 480 Pixels
Analog 0.7 Vp-p ± 5% positive at 75 , internally terminated Type : Seperate H/V Level : TTL level 337.9 mm(H) / 270.3 mm(V) AC 100 ~ 240V, 50 ~ 60 Hz 45 W
16.44 x 7.59 x 16.72 Inches (417.5 x 192.9 x 424.6 mm)(State of stand installed) 16.44 x 4.95 x 16.72 Inches (417.5 x 125.7 x 424.6 mm)(State of Wall mount)
408 mm(H) / 306 mm(V)
Power Consumption Dimensions(W x D x H) Set
55 W
18.86 x 8.85 x 18.07 Inches (479 x 224.8 x 459.1 mm) (State of stand installed) 18.86 x 2.94 x 17.18 Inches (479 x 74.7 x 436.4 mm) (State of stand disassembled) 18.86 x 5.51 x 20.42 Inches (479 x 139.9 x 518.6 mm) (Without Stand of Wall mount)
22.60 x 23.35 x 8.27 Inches (574 x 593 x 210 mm)
Package Weight Set / Package
Environmental Considerations
21.1 x 7.2 x 20.1 Inches (537 x 183 x 511 mm)
4.95 Kg (10.91Ibs) / 7.0 Kg (15.43 lbs)
7.35 Kg (16.20 Ibs) (State of stand installed) / 10 Kg (22.05 lbs)
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 % Tunning Frequency Synthesize NTSC-M, PAL/ Secam_L(Euro multi) MONO, STEREO, SAP, A2/Nicam
TV System
System Sound
Antena Input
75, 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
LW17M24C/LW20M21C
2-1
2 Product Specifications
2-2 Pin Assignments
2-2-1 Scart
No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 PIN Sound R out Sound R In Sound L out GND GND Sound L In Cb ID GND NC Y NC GND GND Cr BL In GND GND Video Out Video In GND
2-2-2 S-Video
Pin 1 2 3 4 5 Separate GND Y C GND GND
2-2-4 D-SUB
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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
2-2-3 A/V
RCA Yellow CVBS Audio L RCA White GND Audio R GND
RCA Red
2-2
LW17M24C/LW20M21C
2 Product Specifications
2-3 Timing Chart
This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. Table 2-1 Timing Chart Mode
IBM(LW17M24C/LW20M21C)
VGA2/70 Hz VGA3/60 Hz 640 x 480
640/75 Hz, 60Hz, 72Hz 640 x 480
VESA(LW17M24C)
800/75 Hz, 56Hz, 60Hz, 72Hz 800 x 600
1024/60Hz 1024 x 768
1024/75Hz 1024 x 768
1280/75Hz,50Hz 1280x1024
Timing fH (KHz) A µsec B µsec C µsec D µsec E µsec fV (Hz) O msec P msec Q msec R msec S msec Clock Freq. (MHz) Polarity H.Sync V.Sync Remark
720 x 400
31.469 31.777 3.813 1.589 26.058 0.318 70.087 14.268 0.064 0.858 13.155 0.191 28.322
31.469 31.778 3.813 1.589 26.058 0.318 59.940 16.683 0.064 0.794 15.761 0.064 25.175
37.500 26.667 2.032 3.810 20.317 0.508 75.000 13.333 0.080 0.427 12.800 0.027 31.500
46.875 21.333 1.616 3.232 16.162 0.323 75.000 13.333 0.064 0.448 12.800 0.021 49.500
48.363 20.677 2.092 2.462 15.754 0.369 60.004 16.666 0.124 0.600 15.880 0.062 75.000
60.023 16.660 1.219 2.235 13.003 0.203 75.029 13.328 0.050 0.466 12.795 0.017 78.750
79.976 12.504 1.067 1.837 9.481 0.119 75.025 13.329 0.038 0.475 12.804 0.013 135.000
Negative Positive Separate
Negative Negative Separate
Negative Negative Separate
Positive Positive Separate
Negative Negative Separate
Positive Positive Separate
Positive Positive Separate
Separate Sync
H/V Composite Sync
Video C D E
Video Q R S
Sync-on-Green
Sync B A Sync P O
A : Line time total C : Back porch E : Front porch LW17M24C/LW20M21C
B : Horizontal sync width D : Active time
O : Frame time total Q : Back porch S : Front porch
P : Vertical sync width R : Active time
2-3
2 Product Specifications
Memo
2-4
LW17M24C/LW20M21C