SAMSUNG 797DF Service Manual Product Specification

2 Product Specifications

2-1 Specifications

Item

Picture Tube 17-Inch (43 cm): 16-inch (40.6 cm) viewable, 19-Inch (48.2 cm): 18-inch (45.8 cm) viewable,

17”/19”: 0.26 mm Dot pitch, Full-square tube / Perfect Flatness, 90˚ Deflection, Anti-Reflection coating with Anti-electrastatic, Medium short persistence phosphor

Scanning Frequency Horizontal : LE17IS: 30 kHz ~ 96 kHz (Automatic)

LE19IS/LE19IT: 30 kHz ~ 96 kHz (Automatic)

(Automatic) Vertical : 50 Hz ~ 160 Hz (Automatic)

Display Colors Unlimited colors

Maximum Resolution Horizontal : 1600 Pixels, Vertical : 1200 Pixels

Input Video Signal Analog, 0.7 Vp-p positive at 75 Ω, internally terminated

Input Sync Signal Separate Sync : TTL level positive/negative

Composite Sync : TTL level positive/negative

Maximum Pixel Clock rate 250 MHz

Active Display 17” ; Horizontal : 312 mm, Vertical : 234 mm

19” ; Horizontal : 352 mm, Vertical : 264 mm

Input Voltage AC 90 ~ 264 Volts, 60/ 50 Hz ± 3 Hz

Power Consumption (nominal) 17”: 90 Watt , 19”: 110 Watt

Dimensions (W x D x H) Unit / Carton LE17IS LE19IS LE19IS(B) LE19IT

15.8 x 16.1 x 12.7 Inches (401 x 410 x 323 mm) State of stand installed / 18.3 x 20.4 x 18.1 Inches (464 x 518 x 459 mm)

17.5x 18.0 x 14.1 Inches (445 x 457.5 x 358 mm)

Description

State of stand installed State of stand installed State of stand installed

/ 19.4 x 24.1 x 22.7 Inches (492 x 611 x 576 mm) / 19.4 x 24.1 x 22.7 Inches (492 x 611 x 576 mm) / 19.4 x 24.1 x 22.7 Inches (492 x 611 x 576 mm)

Weight (Net/Gross) LE17IS LE19IS LE19IS(B) LE19IT

Environmental Considerations Operating Temperature : 32°F ~ 104°F (0°C ~ 40°C)

• Designs and specifications are subject to change without prior notice.

LE17IS/LE19IS/LE19IT 2-1

14.3 kg (31.5 lbs) State of stand installed / 16.2 kg (35.7 lbs)

18.2 kg (40.1 lbs) State of stand installed / 21.5 kg (47.4 lbs)

Operating Humidity : 10 % ~ 80 % Storage Temperature : -4°F ~ 113°F (-20°C ~ 45°C) Storage Humidity : 5 % ~ 95 %

2 Product Specifications

QRS

Video

Sync

Horizontal

Vertical

CDE

Video

Sync

2-2 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

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)

Mode

1024/85 Hz

1024 x 768

68.677

14.561

1.016

2.201

10.836

0.508

84.997

11.765

0.044

0.524

11.183

0.015

94.500

VESA

1280/85 Hz

1280 x 1024

91.146

10.971

0.016

1.422

8.127

0.406

85.024

11.761

0.033

0.483

11.235

0.011

157.500

640/75 Hz

640 x 480

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

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

Polarity H.Sync

V.Sync

Remark

Positive

Separate

Positive

Separate

Separate Sync

Negative

Separate

2-2 LE17IS/LE19IS/LE19IT