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Service Manual

ViewSonic

G220

-1

Model No. VCDTS23852-1M

21” Digital Controlled Color Monitor

(G220f-1_G220f

-1_SM Rev. 1b Mar. 2006)

ViewSonic

381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

G220fB-1

VCDTS23852-2M

Содержание G220f-1

Страница 1: ...ual ViewSonic G220f 1 Model No VCDTS23852 1M 21 Digital Controlled Color Monitor G220f 1_G220fB 1_SM Rev 1b Mar 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 G220fB 1 VC...

Страница 2: ...hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication and to make changes from time to...

Страница 3: ...OL DESCRIPTION 16 4 CIRCUIT DESCRIPTION 19 5 BLOCK DIAGRAM 24 6 SCHEMATIC DIAGRAMS 25 7 ADJUSTING PROCEDURE 41 8 TROUBLE SHOOTING FLOW CHART 51 9 EXPLODED DIAGRAM AND SPARE PARTS LIST 57 Confidential...

Страница 4: ...ViewSonic Corporation 1 Confidential Do Not G220f 1_G220fB 1 Copy 1 PRECAUTIONS AND NOTICES...

Страница 5: ...0 1 0 022 2 2 0 3 4 3 5 0 222 6 022 2 0 3 0 0 0 0 7 8 9 0 0 2 0 2 8 A 1 022 2 2 0 3 0 4 B 15 ViewSonic Corporation 2 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 6: ...1 2 3 4 B A A 5 6 7 07 8 0 5 9 C 9 9D8 9 A 2 E A 1 1 ViewSonic Corporation 3 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 7: ...TY RESOLUTION HOR VER HOR VER 640x400 31 47KHz 70Hz 640x480 31 47KHz 60Hz 640x480 43 269KHz 85Hz 800x600 46 875KHz 75Hz 800x600 53 674KHz 85 01Hz 1024x768 60 24KHz 74 927Hz 1024x768 60 023KHz 75 029Hz...

Страница 8: ...t Brightness Horizontal size Horizontal Position Vertical size Vertical Position Zoom Pincushion Pin Balance Trapezoid Parallel Top Hook Bottom hook Tilt H V Convergence Degauss H moir V moir Color 93...

Страница 9: ...EC Standard IEC 60950 Information technology and business equipment MPRII MPR 1990 8 MPR 1990 10 TCO99 OPTION July 1998 Emission Energe 3 2 EMI Emission Approvals The unit shall meet following EMI spe...

Страница 10: ...S NO 10W AMBER Power saving NO NO 2W AMBER 4 2 Signal Input Requirement 4 2 1 Connector a 15 pin D sub high density connector for video and sync signals See Appendix A for pin assignment b Cable lengt...

Страница 11: ...5 5 Ambient magnetic field The magnetic field shall be same as the earth magnetic field of the country where the product will be sold 5 6 Ambient temperature 25 5 less than 2 fluctuation are allowed d...

Страница 12: ...odes must be able to meet the above spec by adjusting horizontal position and vertical position from front panel 6 4 Tilt refer to FIG 6 Maximum 2 0mm 6 5 Trapezoid Distortion refer to FIG 4 Vertical...

Страница 13: ...ns b Over shoot 10 max first over shoot Note Video rise Fall times are measured at the cathode and actual achieved value calculated using the following formula RT 2 2 2 2 SR PR GR RM Where RT Specifie...

Страница 14: ...n operating condition 7 1 Temperature Operating 0 to 40 Storage 40 to 60 7 2 Humidity Relative Operating 10 to 80 non condensing Storage 0 to 90 non condensing 7 3 Altitude Operating 0 to 15 000 feet...

Страница 15: ...Fail rate The product failure rate per one year shall be less than 1 5 11 0 PHYSICAL SPECIFICATION 11 1 Overall dimension Height 508mm Width 500mm Depth 488mm 11 2 Weight Net weight 27 0Kg 11 3 Mecha...

Страница 16: ...gnal definition for VGA monitors 1 Red 2 Green 3 Blue 4 Ground 5 S T 6 Ground Red return 7 Ground Green return 8 Ground Blue return 9 5V 10 Ground 11 Ground 12 SDA 13 Hor Sync 14 Vert Sync 15 SCL View...

Страница 17: ...Vertical Y1 Y2 Y3 Y4 Y5 Y6 Y12 X1 X2 X3 X4 X5 X6 X16 Y X Fig 1 Fig 2 a1 A B c1 d1 b1 D C Fig 3 a2 A B c2 d2 b2 D C ViewSonic Corporation 14 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 18: ...Fig 4 A B D C 290mm 390mm 2 5 2 5 2 5 2 5 Fig 5 390mm 290mm g4 g2 g1 g6 g3 g5 Fig 6 390mm 290mm 2 0mm ViewSonic Corporation 15 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 19: ...ViewSonic Corporation 16 Confidential Do Not Copy 3 FRONT PANEL FUNCTION CONTROL DESCRIPTION G220f 1_G220fB 1...

Страница 20: ...ViewSonic Corporation 17 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 21: ...0 1 2 3 4 5 6 7 6 1 8 9 1 2 0 6 1 2 2 2 ViewSonic Corporation 18 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 22: ...0 1 2 3 4 5 6 7 ViewSonic Corporation 19 Confidential Do Not Copy 4 CIRCUIT DESCRIPTION G220f 1_G220fB 1...

Страница 23: ...9 8 9 3 8 49 9 9 89 3 8 C D9 3 8 9 3 8 6 9 2 8 3 8 7 7 9 8 9 89 49 29 9 8 8 7 E 8 3 8 9 8 9 2 7 8 8 8 7 8 9 8 7 8 8 8 7 8 9 8 9 8 9 84 8 8 7 8 9 8 8 8 7 829 8 8 2 7 9 F G 7 8 7 8 7 H 3 8 F F H 3 8 F...

Страница 24: ...8 3 8 4 4 7 3 8 7 3 8 2 8 829 849 9 8 3 8 2 C7 D 3 8 3 8 4 4 3 8 4 7 7 3 8 7 8 7 7 8 8 8 3 8 2 829 849 A 3 8 2 A 80 I 80 6 2 I 48 1 2 84 B 8 9 8 9 8 9 7 2 8 7 8 8 2 9 8 9 9 3 8 6 9 9 9 1 ViewSonic Cor...

Страница 25: ...3 8 89 9 8 8 7 7 7 1 0 89 8 1 7 8 2 2 3 8 7 3 8 9 3 8 7 7 8 8 C D 82 3 8 8 7 8 8 84 8 8 82 82 8 8 4 2 8 4 8 ViewSonic Corporation 21 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 26: ...28 28 28 3 28 G 3 28 3 28 2 4 88 4 9 8 3 28 7 3 8 7 3 28 4 7 0 3 28 0 0 7 8 88 7 7 82 7 82 3 28 7 7 G 3 8 3 0 3 8 4 7 7 8 7 G 7 84 7 3 28 4 3 8 8 G J 2 ViewSonic Corporation 22 Confidential Do Not Co...

Страница 27: ...8 8 8 8 2 8 4 8 8 8 8 4 8 8 4 2 8 8 8 2 22 8 22 4 8 8 8 4 4 8 8 4 8 8 8 8 8 2 I 8 8 4 8 I 8 3 8 4 4 2 0 3 8 4I 4 2 3 3 8 3 7 C3 8 D 3 8 3 3 28 3 28 3 4 5 6 7 L G 6L 6 9 9 7 3 9 3 8 6 28 9 28 9 8 3 8...

Страница 28: ...5 BLOCK DIAGRAM ViewSonic Corporation 24 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 29: ...6 SCHEMATIC DIAGRAMS ViewSonic Corporation 25 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 30: ...ViewSonic Corporation 26 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 31: ...ViewSonic Corporation 27 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 32: ...ViewSonic Corporation 28 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 33: ...ViewSonic Corporation 29 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 34: ...ViewSonic Corporation 30 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 35: ...ViewSonic Corporation 31 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 36: ...ViewSonic Corporation 32 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 37: ...ViewSonic Corporation 33 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 38: ...ViewSonic Corporation 34 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 39: ...ViewSonic Corporation 35 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 40: ...ViewSonic Corporation 36 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 41: ...ViewSonic Corporation 37 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 42: ...ViewSonic Corporation 38 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 43: ...ViewSonic Corporation 39 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 44: ...ViewSonic Corporation 40 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 45: ...threshold 6 All purity related specifications must be met without external degaussing 7 All controls must have excess range no control may be left at an end stop when proper alignment is completed 8...

Страница 46: ...n at 93K 1600 1200 mode 3 1 2 Adjust contrast to 10FL adjust screen just raster visible 3 1 3 Adjust VR404 to center raster on screen such that the horizontal distance from the midpoint of the left di...

Страница 47: ...tion trapezoid parallelogram 1 5mm 3 4 4 Rotate adjustment A A B B C C D D Pinchshion 1mm A B C D Barrel 1mm A B C D Pincushion Barrel distortion Picture 2mm 2mm 2mm 2mm 268mm 357mm Trapezoid Parallel...

Страница 48: ...n green window pattern light O P about 21 2FL 6500 K 19 2FL for 5000 K 4 8 Apply white window pattern adjust R Driver B Driver to meet following chromatically spec 6500 K x 0 313 0 003 y 0 329 0 003 Y...

Страница 49: ...C PCB defined Main board Video Board VR4403 ViewSonic Corporation 45 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 50: ...EFLECTION VGAIN VOFFSET VLIN VLINBAL VFOCUS HLINEAR 240 HCG VCG RCUT R CUT Adjust GCUT G CUT Adjust BCUT B CUT Adjust RGAIN R GAIN Adjust GGAIN G GAIN Adjust BGAIN B GAIN Adjust CONT Contrast Adjust B...

Страница 51: ...Zoom asjust the width and height of the screen image Pincushion curves the vertical side of the screen image Balance curves the vertical edges of the screen image to the right or left Trapezoid adjust...

Страница 52: ...kground color textures Interference patterns of this type are most noticeable when viewing images having closely spaced lines or finely detailed patterns View Match Color provides several color option...

Страница 53: ...ng from the graphics card of the computer Memory recall returns adjustment to the original factory setting if the display is operating in a factory preset timing mode listed in this user guide Excepti...

Страница 54: ...eset mode Yes No Yes Initial OK No Get mode data Change other mode ViewSonic Corporation 50 Confidential Do Not Copy 4 Fixture Connect a Fixture adjustment PC Pattern Generator Monitor Signal cable RS...

Страница 55: ...ViewSonic Corporation 51 Confidential Do Not Copy 8 TROUBLE SHOOTING FLOW CHART G220f 1_G220fB 1...

Страница 56: ...0 0 0 0 0 0 0 0 ViewSonic Corporation 52 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 57: ...1 1 2 3 3 1 1 3 1 1 3 1 1 3 1 1 4 4 3 1 1 45 6 4 3 3 78 1 7 1 7 1 0 0 0 0 0 0 0 0 8 9 9 9 9 8 9 17 1 3 ViewSonic Corporation 53 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 58: ...0 1 2 0 3 0 0 4 5 6 6 5 6 5 5 ViewSonic Corporation 54 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 59: ...9 1 1 1 3 1 0 1 1 3 1 9 1 2 9 2 93 1 1 3 3 9 9 1 9 9 0 0 9 8 9 0 0 ViewSonic Corporation 55 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 60: ...0 1 2 2 3 2 4 30 5 6 7 0 7 5 0 7 0 8 8 8 8 8 0 5 3 0 5 ViewSonic Corporation 56 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 61: ...9 EXPLODED DIAGRAM AND SPARE PARTS LIST ViewSonic Corporation 57 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 62: ...00 00 00 00 00 00 00 00 01 00 00 01 00 00 00 00 00 00 00 00 ViewSonic Corporation 58 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 63: ...10 DISASSEMBLY INSTRUCTION ViewSonic Corporation 59 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 64: ...ViewSonic Corporation 60 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 65: ...11 PCB LAYOUT DIAGRAMS ViewSonic Corporation 61 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 66: ...ViewSonic Corporation 62 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 67: ...0123 4 5 6 6 1 7 8 8 9 9 8 ViewSonic Corporation 63 Confidential Do Not Copy 12 RECOMMEND SPARE PARTS LIST G220f 1_G220fB 1...

Страница 68: ...3 6 6 6 6 6 6 3 6 3 3 3 3 3 3 3 3 ViewSonic Corporation 64 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 69: ...0123 4 5 6 6 1 7 8 8 9 9 8 ViewSonic Corporation 65 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 70: ...3 6 6 6 6 6 6 3 6 3 3 3 3 3 3 3 3 ViewSonic Corporation 66 Confidential Do Not Copy G220f 1_G220fB 1...

Страница 71: ...Trouble Shooting Flow Chart 9 Exploded Diagram And Spare Parts List 10 Disassembly Instruction 11 PCB Layout Diagrams61 12 Recommend Spare Parts List B Are you satisfied with this Service Manual Item...

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