Kortek KT-1982 Series Скачать руководство пользователя | Manualshive

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3-3. Function of Control

Control

Function

LED

(Power Indicator)

The light of power LED changes according to each state.

◎

on mode : Green LED.

◎

power saving mode : green LED blinking.

SELECT(DEG)

This button is used to select the control item on the MENU.

In MENU, the control item could be selected and unselected by

this button.

MOD

When you press this button, the MENU appears.The MENU will

disappear in 10 seconds if you don't operate any button.

When you press MOD button again, the MENU disappears.

This button is used to exit the value of any selected control.

UP

This button is used to increase the value of any selected control.

This button is used to locate to the next control item for select.

DOWN

This button is used to decrease the value of any selected control.

This button is used to locate to the previous control item for

select.

UP

DOWN

SELECT(DEG)

MOD

LED

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Содержание KT-1982 Series

Страница 1: ...T 1982F COLOR MONITOR SERVICE MANUAL 1 PRECAUTIONS 2 2 PRODUCT SPECIFICATION 5 3 OPERATING INSTRUCTION 8 4 ADJUSTMENTS 10 5 TROUBLE SHOOTING GUIDE 18 6 BLOCK DIAGRAM 28 7 CONNECTING DIAGRAM 29 CONTENT...

Страница 2: ...age can produce potentially hazardous X Ray RADIA TION To avoid such hazards the high voltage must be above the specified limit The nominal value of the High voltage of this Monitor is 26KV 0 3KV at z...

Страница 3: ...att resistor paralleled by a 0 15Uf capacitor in serial with an exposed metal chassis part and a known earth ground such as an electrical conductor and electrical ground connected to a earth ground c...

Страница 4: ...he wrong direction may cause excessive X ray emissions WARNING 3 An electrolytic capacitor installed with the wrong polarity might explode 1 Servicing precautions are printed on the chassis and should...

Страница 5: ...Vcorner Pin B Trapezoid Parallel Tilt Moire Zoom Color Temperature Recall Manual Degauss Eng Ger Fra Esp Port Display color Color Temperature 9300 K 6500 K User Color Resolution Maximum Mode 1280 X 10...

Страница 6: ...11 AC Line 24 AC Ntrl 25 Frame GND 23 USB Vcc 16 USBD 17 USBD 18 USB GND 19 1 2 3 4 5 1 Red 2 Red_GND 3 Green 4 Green_GND 5 Blue 6 Blue_GND 1 2 1 Shield GND 2 H Sync 3 V Sync 3 I2C CLK 3 I2C SDA 1 2...

Страница 7: ...POL POS POS NEG POS NEG POS NEG V f Hz 50 0 59 940 59 94 72 809 60 00 85 061 74 93 O mS 20 000 16 663 16 683 13 735 16 667 11 756 13 346 P mS 0 509 0 254 0 064 0 079 0 124 0 056 0 05 Q mS 0 372 0 890...

Страница 8: ...8 3 1 FRAME UR GK 3 2 MAIN PCB ASS Y 3 Operating Instruction Touch Screen Main Board Socket Board The GK is without shield cover PFC Board AMP Connector...

Страница 9: ...you press this button the MENU appears The MENU will disappear in 10 seconds if you don t operate any button When you press MOD button again the MENU disappears This button is used to exit the value o...

Страница 10: ...ut signal Adjustment 26KV 0 3KV PROCEDURE Disconnect the AC line cord from the power source Connect positive end of High Voltage probe to anode cap of CRT negative end of to GND main chassis First of...

Страница 11: ...unction control 3 Press the MENU SELECT button 4 UP or DOWN button is used to control the value of any function 5 When you press exit button the MENU disappears 4 2 1 Screen center adjustment width 35...

Страница 12: ...se to H POS d Vertical position adjustment 4 2 2 Trapezoid adjustment frequency all mode signal pattern cross hatch 4 2 3 Pin balance adjustment frequency all mode signal pattern cross hatch 4 2 4 Par...

Страница 13: ...4 2 6 Tilt adjustment frequency all mode signal pattern cross hatch brightness MIN cut off contrast MAX 4 2 7 Degaussing adjustment Don t adjust the degaussing Degaussing is possible in OSD adjustmen...

Страница 14: ...ition frequency 48KHz 60Hz 1024 x 768 display pattern back raster pattern brightness MIN cut off contrast MAX 1 Select factory mode 2 Select COLOR TEMP with UP DOWN key 3 Select 9300K 4 Adjust back ra...

Страница 15: ...Select contrast icon with UP DOWN key adjust contrast to 50 60f l with UP DOWN key 7 Select ACL key A C in full white pattern and adjust ACL to 28 30f l attention If 50f l doesn t adjust in 20 window...

Страница 16: ...IN cut off contrast MAX Measure nine brightness display in the screen 4 3 5 Focus adjustment set condition frequency 48KHz 60Hz 1024x768 display pattern H character brightness min cut off contrast max...

Страница 17: ...ection east frequency included timing chart display pattern full white brightness MIN cut off display center Most suitable RED x 0 640 0 015 y 0 323 0 015 GREEN x 0 295 0 015 y 0 594 0 015 BLUE x 0 14...

Страница 18: ...V 12V 6 3V 5V Lines Does each output appear Measure 80V output between cathode of D120 and Ground Does appear 80V DC Check and replace F801 D801 IC811 IC812 Check and replace D115 D121 D120 D107 IC103...

Страница 19: ...1 2 Replace CRT and verify purity YES YES NO NO Check degauss Connector CN101 Check output voltage at pin 12 of IC501 Normal 0V Degaussing 5V Does DC voltage right Check and replace Q101 D101 RL101 R1...

Страница 20: ...convergence now within spec YES NO NO YES NO NO 5 1 6 Misconvergence Failure Check tilt connection CN100 IC 501 pin 35 output varies with different values DC 0V 5V Check and replace R COIL of the CDT...

Страница 21: ...and replace D708 709 Pin 9 of IC701 pulse exist Replace IC701 YES NO YES NO NO YES YES NO NO 5 1 8 High Voltage Failure Check pin 36 of IC501 output varies with different value DC 0V 5V Check pin 7 8...

Страница 22: ...ry Readjusting double Focus Done Check and replace T702 Replace the CRT and verify focus YES NO NO YES YES NO NO 5 1 10 Dynamic Focus Failure or poor Focus Others Check the voltage at pin 21 of IC501...

Страница 23: ...707 12V Check and replace pin 12 of the IC802 NO YES YES 5 1 12 ACL Failure Is G2 voltage 580 50V right Check G2 control voltage and FBT Does Q201 collector pulse 35Vp p exist Check 80V Line and D719...

Страница 24: ...Does flyback pulse at collector of Q302 appear Check the Pin 26 of IC301 Does 12Vp p pulse appear Check D309 D311 and 80V Line Check and replace IC301 Does the wave form at pin 8 of T302 appear Check...

Страница 25: ...ht Check and replace IC802 IC803 Pin5 Pin3 Pin1 video output are right Check IC803 and 12V 80V Line R G B cathode wave forms are right Check D805 807 and D814 D816 G2 voltage are right 580 50V Check G...

Страница 26: ...NU botton IC501 Pin7 Pin8 wave forms are right Check IC501 and SDA SCL Line Check and replace IC802 NO YES YES NO YES YES NO 5 1 17 OSD failure IC 301 Pin24 output parabola level variable Check and re...

Страница 27: ...ppear at Pin5 of IC201 Refer to No power supply IC 301 Pin 13 Pin 23 output exist IC 501 Pin 33 output exist Check and replace IC301 Check and replace IC201 YES NO YES NO YES Check and replace IC501 N...

Страница 28: ...VERTICAL OUTPUT KA2142 TLIT CONTROL TILT COIL DEFLECTION YOKE VIDEO AMP KA2506 HIGH VOLTAGE REGULATION OSD PROCESSOR WT6802 VIDEO OUTPUT LM2405 CUT OFF CONTROL SIGNAL INPUT MICRO CONTROLL ER UNIT WT62...

Страница 29: ...RD DEGAUSSING COIL 1 GND 2 KEY 3 LED 4 5V 1 GND 2 KEY 3 LED 4 5V 1 GND 2 SDA 3 SCL 4 SELF 5 V SYNC 6 H SYNC 15P D SUB CABLE 1 2 3 TILT TILT TILT TILT CN100 CN103 CN101 CN502 CONTROL PCB CN503 FBT CN12...

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