3 timing chart – Samsung 330TFT User Manual

Page 9

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31.469

31.778

3.813

1.589

26.058

0.318

70.086

14.268

0.064

1.716

11.504

0.985

25.175

Positive

Negative

Separate

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
Frequency
(MHz)

Polarity
H.Sync

V.Sync

Remark

IBM

3 Product Specifications

SyncMaster 33*TFT/53*TFT

3-3

Q

R

S

P

O

Video

Sync

Sync

Horizontal

Vertical

C

D

E

P

O

B

A

Video

Sync

Sync

Separate Sync

3-3 Timing Chart

This section of the service manual describes the timing that the computer industry recognizes as standard
for computer-generated video signals.

C

D

A

O

E

B

P

Video

Sync

Sync

Video

Q

R

S

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

VGA3/60 Hz

640 x 480

640/72 Hz

640 x 480

640/75 Hz

640 x 480

800/56 Hz

800 x 600

800/60 Hz

800 x 600

VGA1/70 Hz

640 x 350

VGA2/70 Hz

720 x 400

Table 3-1. Timing Chart

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

Negative

Positive

Separate

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

Negative

Negative

Separate

37.861

26.413

1.270

3.810

20.825

0.508

72.809

13.735

0.079

0.528

13.100

0.026

31.500

Negative

Negative

Separate

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

Negative

Negative

Separate

35.156

28.444

2.000

3.556

22.222

0.667

56.250

17.778

0.057

0.626

17.067

0.028

36.000

Positive

Negative

Separate

37.879

26.400

3.200

2.200

20.000

1.000

60.317

16.579

0.106

0.607

15.840

0.026

40.000

Positive

Positive

Separate

Mode

VESA

Timing

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