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Service Manual for

D9100 Series

Digital-Control Color Monitor

Wells-Gardner Electronics

9500 W. 55

Street, Suite A

McCook, IL 60525-3605

(708) 290-2100

069X3015-100

Revision:

E01023

Date: 7-27-00

Printed on 02/11/04

Содержание D9100 Series

Страница 1: ...ce Manual for D9100 Series Digital Control Color Monitor Wells Gardner Electronics 9500 W 55th Street Suite A McCook IL 60525 3605 708 290 2100 069X3015 100 Revision A E01023 Date 7 27 00 Printed on 02 11 04 ...

Страница 2: ...SAFETY PRECAUTION 1 2 SPECIFICATION 2 3 TECHNCIAL FEATURES 3 4 TIMING CHART 4 5 SET UP 6 6 CONTROLS AND ADJUSTMENT 7 7 ADJUSTMENT SPECIFICATION 10 8 DESCRIPTION OF CIRCUIT OPERATION 13 9 TROUBLE SHOOTING 18 ii ...

Страница 3: ... parts list in this manual carefully 1 3 When replacing the chassis in the cabinet always be certain that all the protective devices are installed properly such as insulating covers strain relief etc 1 4 Before replacing the back cover of the set thoroughly inspect the inside of the cabinet to see that no stray parts or tools have been left inside 1 5 Before returning the set to the customer alway...

Страница 4: ...cal Input TTL Level Positive or Negative pulse Scanning 40 160Hz 2 1 3 Power Supply Power Input 120 240 VAC 50 60Hz Fuse Rating 250V 3 15A Power Consumption 14inch less than 70W 15inch less than 80W 17inch less than 95W 19inch less than 110W 2 1 4 OSD On Screen Display Control Refer to page 7 2 1 5 Operating Temperature 0 C 55 C 2 1 6 Operating Humidity 10 90 Noncondensing 2 1 7 Net Weight 14inch ...

Страница 5: ...vent the components from electrical shock or other risks 3 4 Override function A NO SIGNAL MESSAGE is displayed on the screen if no signal is present at the signal input cable while the monitor is powered on 3 5 Control panel If you require different display characteristics other than the factory mode presets of size position color settings use the control panel to program it to your requirements ...

Страница 6: ...ms 1 112ms 0 794ms 0 563ms 0 427ms 0 064ms 0 064ms 0 113ms 0 080ms 14 268ms 16 683ms 11 500ms 13 333ms 70 087Hz 59 940Hz 86 960Hz 75 000Hz NEGATIVE NEGATIVE POSITIVE NEGATIVE 0 636µs 0 318µs 0 170µs 0 508µs 25 422µs 25 422µs 22 806µs 20 317µs 1 907µs 1 589µs 1 247µs 3 810µs 3 813µs 3 813µs 3 920µs 2 032µs 31 778µs 31 778µs 28 251µs 26 667µs 31 469KHz 31 469KHz 35 552KHz 37 500KHz MODE 4 VGA 720 40...

Страница 7: ...ms 1 037µs 2 296µs 20 800µs 20 677µs MODE 12 VESA 1280 1024 63 981KHz MODE 11 NEGATIVE 1 119µs 2 400µs 2 231µs 21 333µs 15 698µs 0 323µs 17 707µs 16 660µs 56 476KHz 60 023KHz ANALOG 0 360µs 0 503ms 0 513ms 0 466ms 0 056ms 0 106ms 0 050ms 0 047ms POSITIVE 60 020Hz 11 852µs 11 756ms 14 272ms 13 328ms POSITIVE NEGATIVE POSITIVE 85 062Hz 70 069Hz 75 029Hz 14 222µs 13 653µs 13 003µs 0 569µs 0 321µs 0 2...

Страница 8: ...he power plug to power source 5 2 Single Cable Connection Connect the 15pin signal cable to the source and lock both screws to ensure that the monitor is properly grounded D type 15pin connector PIN NO DESCRIPTION PIN NO DESCRIPTION 1 VIDEO RED 9 N C 2 VIDEO GREEN 10 GROUND 3 VIDEO BLUE 11 N C 4 N C 12 SDA 5 N C 13 HOR SYNC 6 VIDEO RED GROUND 14 VER SYNC 7 VIDEO GREEN GROUND 15 SCL 8 VIDEO BLUE GR...

Страница 9: ...ion using these keys When the Sub Menu is displayed you can change the amplitude of the selected function of the screen using these keys 6 2 O S D CONTROL METHOD User Adjustment Location Adjustment Method Function CUSTOMER CONTROL PCB OSD CONTROL Brightness Contrast Horizontal Position Horizontal Size Vertical Position Vertical Size Side Pincushion Trapezoid Pin Balance Parallelogram MAIN PCB VR c...

Страница 10: ...SITION ADJUST SAME ABOVE 4 H SIZE ADJUST SAME ABOVE 5 V POSITION ADJUST SAME ABOVE 6 V SIZE ADJUST SAME ABOVE 7 PINCUSHION ADJUST SAME ABOVE 8 TRAPEZOID ADJUST SAME ABOVE 9 PARRALLELOG ADJUST SAME ABOVE 10 PIN BALANCE ADJUST SAME ABOVE 8 ...

Страница 11: ...6 3 OSD Controls continued 11 COLOR ADJUST 9 ...

Страница 12: ...ter to D316 cathode and the frame ground adjust FBT B voltage to 76V 0 5V using VR301 7 3 2 G2 Voltage adjustment 1 Input the crosshatch pattern with 31 KHz 640 480 mode 2 After connecting a DC high voltage meter to the G2 of the CRT socket adjust G2 voltage to 450 10V by changing SCREEN VR of FBT 7 3 3 Geometry Display Adjustment Refer to controls and adjustment Article 6 7 3 4 Focus Adjustment 1...

Страница 13: ...control function on OSD Menu with the light output adjusted to 3 2FT L 6 Go back to OSD COLOR GAIN Factory Sub Menu and reset CO to MAX before returning to Main Factory Menu 7 Exit Factory Menu by pressing SEL while in highlighted RESET position 7 3 8 Purity and Convergence Adjustment 1 Purity Adjustment Demagnetize the picture tube and cabinet using a degaussing coil Turn the CONTRAST and BRIGHTN...

Страница 14: ...e 4 pole magnets to change the angle between them and superimpose red and blue vertical lines in the center of the picture screen Turn both tabs at the same time keeping their angles constant to superimpose red and blue horizontal lines at the center of the screen Adjust two tabs of 6 pole magnets to superimpose red blue line with green one Adjusting the angle affects the vertical lines and rotati...

Страница 15: ...60 640X480 58 62 L L L L H L L 3 35 86 1024X768 33 35 9 84 88 H L L L H L L 4 38 75 640X480 36 40 9 73 77 H H L L H L L 5 38 60 800X600 36 40 9 58 62 H H L L H L L 6 47 75 800X600 41 51 9 73 77 H L H L H L L 7 48 72 800X600 70 74 H L H L H L L 8 48 60 1024X768 58 62 H L H L H L L 9 53 85 800X600 52 61 9 83 87 L H H L H L L 10 56 70 1024X768 68 72 L H H L H L L 11 60 75 1024X768 73 77 L H H L H L L...

Страница 16: ...he duty cycle of 47 is available at pin 26 of IC301 The output is used by the horizontal drive circuit 8 2 1 5 B control driver output The output pulse is available at pin 6 of IC301 and it is used for the horizontal scan voltage control driver 8 2 1 6 X Ray protection When the flyback voltage rises up to an unacceptable level X ray protection is activated When the X ray input pin 25 of IC301 is a...

Страница 17: ...tude of parabola waveform is controlled by IC601 using I C 8 2 3 B Regulator B PWM regulator output is available on pin 28 of IC301 for driving the B control stage This PWM output is adjusted through VR301 8 3 Vertical Deflection IC201 IC201 KA2142 is used for direct driving of the vertical deflection yoke 8 4 Horizontal scan voltage control stage The set up converter is used in this stage The out...

Страница 18: ...s 35KHz Q316 Q317 is off when horizontal frequency is 37KHz Q316 Q318 are off when horizontal frequency is 43KHz 52KHz Q317 Q318 is off when horizontal frequency is 53KHz 61KHz Q316 Q317 Q318 is off when horizontal frequency is 62KHz 70KHz Q316 Q318 is off when input is override condition 8 6 FBT Flyback Transformer The high voltage for CRT anode focus G2 voltage for CRT and 12V for vertical defle...

Страница 19: ...control 8 8 2 Video output stage IC402 The video output signals from IC401 are amplified again by IC402 and IC402 applies video signals to each cathode of the CRT Cutoff voltages are adjusted by Q405 Q406 and Q407 which is operated by I C BUS control through the microprocessor 8 8 3 OSD On Screen Display IC403 The OSD signal is applied from IC403 to IC402 It is controlled by I C BUS control line 1...

Страница 20: ...18 9 0 TROUBLESHOOTING 9 1 No Power ...

Страница 21: ...9 1 NO VIDEO 19 ...

Страница 22: ...9 2 NO RASTER 20 ...

Страница 23: ...9 4 TROUBLE IN HORIZONTAL SIZE 21 ...

Страница 24: ...22 9 5 TROUBLE IN CONTRAST ...

Страница 25: ...9 6 TROUBLE IN BRIGHTNESS 23 ...

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