4 timing chart – Sharp 910N User Manual

Page 8

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2 Product Specifications

2-4

MJ15AS*/MJ17AS*/MJ19AS*/

MJ15BS*/MJ17BS*/MJ19BS*

Q

R

S

P

O

Video

Sync

Sync

Horizontal

Vertical

C

D

E

P

O

B

A

Video

Sync

Sync

Separate Sync

2-4 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

VIDEO

A

B

O

P

Q

R

S

Horizontal

Vertical

B

Green

Vertical

P

Q

R

S

O

Horizontal

H/V Composite Sync

Sync-on-Green

79.975

12.504

1.067

1.837

9.481

0.119

75.025

13.329

0.038

0.475

12.804

0.013

135.000

Positive

Positive

Separate

1280/75 Hz

1280 x 1024

1280/60 Hz

1280 x 1024

63.981

11.852

1.037

2.296

9.259

0.000

60.020

16.005

0.047

0.594

15.630

0.016

108.000

Positive

Positive

Separate

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

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

IBM

640/75 Hz

640 x 480

800/60 Hz

800 x 600

800/75 Hz

800 x 600

1024/60 Hz

1024 x 768

1024/75 Hz

1024 x 768

VGA2/

70 Hz

720 x 400

VGA3/

60 Hz

640 x 480

Table 2-1 Timing Chart

31.469

31.778

3.813

1.589

26.058

0.318

59.940

16.683

0.064

0.794

15.761

0.064

26.175

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

37.879

26.400

3.200

2.200

20.000

0.000

60.317

16.579

0.106

0.607

15.840

0.0261

40.000

Positive

Positive

Separate

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

Positive

Positive

Separate

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

Negative

Negative

Separate

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

Positive

Positive

Separate

Mode

VESA(MJ17AS*/MJ17BS*/

MJ19AS*/MJ19BS*)

VESA

(MJ15AS*/MJ15BS*/MJ17AS*/MJ17BS*/MJ19AS*/MJ19BS*)

Timing

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