Samsung 203B service manual Timing Chart, Mode

Page 22

14 Reference Infomation

14-3 Timing Chart

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

Table 14-1 Timing Chart

Mode

IBM

 

 

 

VESA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VGA2/

VGA3/

640/75 Hz

800/60 Hz

800/75 Hz

1024/60 Hz

1024/75 Hz

1280/60 Hz

1280/75 Hz

 

70 Hz

60 Hz

 

640x480

800x600

800x600

1024x768

1024x768

1280x1024

1280x1024

Timing

720 x 400

640 x 480

 

 

 

 

 

 

 

 

 

 

fH (kHz)

31.469

31.469

37.500

37.879

46.875

48.363

60.023

63.981

79.975

A μsec

31.777

31.778

26.667

26.400

21.333

20.677

16.660

11.852

12.504

B μsec

3.813

3.813

2.032

3.200

1.616

2.092

1.219

1.037

1.067

C μsec

1.589

1.589

3.810

2.200

3.232

2.462

2.235

2.296

1.837

D μsec

26.058

26.058

20.317

20.000

16.162

15.754

13.003

9.259

9.481

E μsec

0.318

0.318

0.508

0.000

0.323

0.369

0.203

0.000

0.119

fV (Hz)

70.087

59.940

75.000

60.317

75.000

60.004

75.029

60.020

75.025

 

 

 

 

 

 

 

 

 

 

O msec

14.268

16.683

13.333

16.579

13.333

16.666

13.328

16.005

13.329

P msec

0.064

0.064

0.080

0.106

0.064

0.124

0.050

0.047

0.038

Q msec

0.858

0.794

0.427

0.607

0.448

0.600

0.466

0.594

0.475

R msec

13.155

15.761

12.800

15.840

12.800

15.880

12.795

15.630

12.804

S msec

0.191

0.064

0.027

0.0261

0.021

0.062

0.017

0.016

0.013

Clock

 

 

 

 

 

 

 

 

 

Freq.

28.322

26.175

31.500

40.000

49.500

75.000

78.750

108.000

135.000

(MHz)

 

 

 

 

 

 

 

 

 

Polarity

 

 

 

 

 

 

 

 

 

H.Sync

Negative

Negative

Negative

Positive

Positive

Negative

Positive

Positive

Positive

V.Sync

Positive

Negative

Negative

Positive

Positive

Negative

Positive

Positive

Positive

Remark

Separate

Separate

Separate

Separate

Separate

Separate

Separate

Separate

Separate

 

 

 

 

 

 

 

 

 

 

 

 

Separate Sync

 

 

Video

 

 

Video

 

 

C

D

E

Q

R

S

Sync

 

 

Sync

 

 

 

B

 

 

P

 

 

A

 

 

O

 

H/V Composite Sync

Sync-on-Green

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

 

 

 

 

 

14-5

Image 22
Contents LCD-Monitor Copyright TrademarksContents Front …………………………………………………………………………………………………………………………………… Page Menu button Adjust buttonsFront MagicBright buttonRear Power buttonAuto button Page Using the Stand Removing the baseAttaching a Base Monitor Mounting interface padMemo Disassembly Back cover open JIG BH81-00001ADescription Picture Description Reassembly 11-4 Circuit Descriptions Block descriptionBlock operating MicomTechnical Terms Vertical Frequency ResolutionDot Pitch Horizontal FrequencyConnecting the Monitor Pin Assignments Sync TypeMode Timing ChartTiming Preset Timing Modes Panel Description Vendor P/N14-8 14-9 14-10 Fashion Feature SpecificationsLS20BRD feature Feature Operating method Auto AutoSpec Comparison ModelItem Name Option SpecificationRemark Troubleshooting No PowerWaveforms No Video PC Analog Signal Waveforms No Video PC Digital Signal Waveforms Exploded View and Parts List LS20HABKSQ/XAA Exploded ViewROUND SimpleCODE-NO Specification & Description QTY SA/SNA Remark LHA20BSLS20HABESQ/EDC Exploded ViewSLIDING has COVER-REARS/M 203B,HIPS,HB,BK24,HAS Electrical Parts List Electrical Parts List Level Loc. No Code No Micom QSG LS20HABESQ/EDC Parts list Sliding has D230 2007-000082 C310 Assy BOXLS20HABESQ/EDC Wiring Diagram Memo Schematic Diagrams Schematic Diagrams1Schematic Diagrams Schematic Diagrams2 +3.3VARPLL DgndSchematic Diagrams