LG Flatron F900B Скачать руководство пользователя | Manualshive

Страница: 16 / 35

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2. NO CHARACTER

CHECK

IC302 PIN 5, 6, 7 ?

CHECK

IC302 PIN 19, 20, 21

PIN 10 (5V) ?

CHECK

IC303 PIN 1, 3, 5

PIN10 (12V),

PIN 6 (80V) ?

TROUBLE IN
P301, SIGNAL CABLE,
PC SIGNAL

TROUBLE IN
IC302, P302

TROUBLE IN

IC303

TROUBLE IN
CDT SOCKET

NO

YES

NO

NO

YES

YES

CHECK

R, G, B CATHODE

VOLTAGE?

TROUBLE IN

IC304

NO

YES

NO CHARACTER

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Содержание Flatron F900B

Страница 1: ...site http biz LGservice com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL F900B F900BJ AL E CHASSIS NO CA 130 FACTORY MODEL F900BJ Same model for Service ...

Страница 2: ...rs 4 3 Display Resolution 1600 Dots x 1200Lines 75Hz 4 4 Video Bandwidth 203MHz 5 ENVIRONMENT 5 1 Operating Temperature 0 C 40 C 32 F 103 F Ambient 5 2 Relative Humidity 10 90 Non condensing 5 3 Altitude 10 000 ft 6 DIMENSIONS with TILT SWIVEL Width 466 6 mm 18 37 Depth 472 5 mm 18 60 Height 474 mm 18 66 7 WEIGHT with TILT SWIVEL Net Weight 23 2 kg 51 82 lbs Gross Weight 26 6 kg 59 52 lbs 8 USB Sp...

Страница 3: ...ed per the original design Soldering must be inspected for the cold solder joints frayed leads damaged insulation solder splashes or the sharp points Be sure to remove all foreign materials IMPLOSION PROTECTION All used display tubes are equipped with an integral implosion protection system but care should be taken to avoid damage and scratching during installation Use only same type display tubes...

Страница 4: ... 015 0 044 0 523 1024 X 768 85Hz Yes MODE 4 91 146 10 971 8 127 2 844 0 406 1 016 1 422 85 024 11 762 11 235 0 527 0 011 0 033 0 483 1280 X 1024 85Hz Yes MODE 5 93 750 10 666 7 901 2 765 0 316 0 948 1 501 75 000 13 333 12 800 0 533 0 011 0 032 0 490 1600 X 1200 75Hz Yes MARK A B C D E F A B C D E F MODE FACTORY PRESET MODE Resolution Recall H O R I Z O N T A L V E R T I C A L Sync Polarity Frequen...

Страница 5: ... the monitor is in stand by suspend or DPMS off mode this indicator color changes to amber 3 MENU or OSD Button Use this button to enter or exit the on screen display 4 Button Use these buttons to choose or adjust items in the on screen display 5 SELECT Button Use this button to enter a selection in the on screen display 5 4 3 The Contrast and Brightness functions are also available in the On Scre...

Страница 6: ...ouse keyboard and other peripherals to your monitor instead of having to connect them to your computer This will give you greater flexibility in setting up your system USB allows you to connect chain up to 120 devices on a single USB port and you can hot plug attach them while the computer is running or unplug them while maintaining Plug and Plug auto detection and configuration This monitor has a...

Страница 7: ...CONTROL LOCATIONS 7 VR901 B Adjustment 190V Line VR801 High Voltage Adjustment 27kV ...

Страница 8: ...WIRING DIAGRAM 8 P301 P302 P303 Signal Cable AC Socket FBT P801 S S P901 P910 P702 P453 P451 P902 P401 P201 P250 P402 P502 ...

Страница 9: ... upward 3 Remove two screws a 4 Pressing the latch b Back cover by pushing it upward See Figure 1 5 Release the latch c See Figure 2 and Tip Spec 6 Slide the Back Cover away from the Front Cabinet of the monitor Back Cover Cabinet c Tip C B A Tip Spec A Width 5 0 15 0mm B Depth 0 6 0 9mm C Height 12 0mm Figure 1 Figure 2 b a a ...

Страница 10: ...BLOCK DIAGRAM 10 SIGNAL INPUT ...

Страница 11: ... IC401 control signal becomes stand by and suspend mode It s power consumption is below 8W When no horizontal and vertical sync signal input it s power consumption is below 1W 5 X ray Protection This circuit detects the rectified DC voltage comes from the FBT pin 4 If the high voltage of the FBT reaches up to about 30kV abnormal state H V control IC802 detects It stops B voltage supplied to the FB...

Страница 12: ...7 Image Rotation Tilt Circuit This circuit corrects the tilt of the screen by supplying the image rotation signal to the tilt coil which is attached to the CDT near the deflection 18 Static Convergence Control Circuit This circuit corrects the convergence of the screen by supplying the convergence signal to the 4H STC coil which is attached to the CDT near the deflection 19 Moire Reduction Circuit...

Страница 13: ...e IBM compatible PC 3 EEPROM ALL CLEAR Y Yes command Caution Do not run this procedure unless the EEPROM is changed All data in EEPROM mode data and color data will be erased 4 COMMAND PRESET START Y Yes command 5 DIST ADJ FOS ADJ command 6 Adjust H POSITION as arrow keys to center of the screen 7 Adjust H SIZE as arrow keys to 350 2mm 8 Adjust V POSITION as arrow keys to center of the screen 9 Ad...

Страница 14: ...8 0 003 on the White Balance Meter with PC arrow keys 15 Adjust SUB CONTRAST command to 40 1FL of the raster luminance 15 Display color 15 0 full white patten at Mode 4 16 COLOR ADJ LUMINANCE ABL command 17 Adjust ABL to 30 1FL of the luminance 18 Exit from the program 6 Adjustment for Focus 1 Display H character in full screen at Mode 4 2 Adjust two Focus control on the FBT that focus should be t...

Страница 15: ... TROUBLE IN FUSE F901 TROUBLE IN IC901 CHECK FUSE OK F901 CHECK D901 BRIDGE DIODE NO YES YES NO NO CHECK C905 VOLTAGE 145VDC at 110V input 310VDC at 220V input TROUBLE IN D924 D926 D923 D922 D921 D920 TROUBLE IN Q912 Q913 Q915 Q914 IC903 IC904 Q902 YES NO CHECK D924 D926 D923 D922 D921 D920 YES ...

Страница 16: ...2 PIN 19 20 21 PIN 10 5V CHECK IC303 PIN 1 3 5 PIN10 12V PIN 6 80V TROUBLE IN P301 SIGNAL CABLE PC SIGNAL TROUBLE IN IC302 P302 TROUBLE IN IC303 TROUBLE IN CDT SOCKET NO YES NO NO YES YES CHECK R G B CATHODE VOLTAGE TROUBLE IN IC304 NO YES NO CHARACTER ...

Страница 17: ...T D924 D926 CATHODE 190V D923 D929 CATHODE 80V IC904 OUT 12V D921 CATHODE 6 3V CHECK IC401 MICOM PIN 6 5V HIGH IC801 PIN 10 12V HIGH ROTATE SCREEN CONTROL KNOB TO CLOCKWISE or COUNTER CLOCKWIES TROUBLE IN IC401 MICOM IC801 TROUBLE IN CDT SOCKET BOARD TROUBLE IN PRIMARY CIRCUIT OF T901 TROUBLE IN P302 SIGNAL CABLE AMBER GREEN OK YES NO YES NO ...

Страница 18: ...N NO V DEFLECTION ONE HORIZONTAL LINE CHECK IC601 Pin 3 15V CHECK IC601 PIN 7 47V TROUBLE IN T901 15V LINE TROUBLE IN T701 47V LINE TROUBLE IN IC601 V CIRCUIT NO NO YES YES CHECK IC801 PIN 12 SAWTOOTH WAVE TROUBLE IN IC801 NO YES ...

Страница 19: ...DE TROUBLE IN X401 IC401 TROUBLE IN IC401 TROUBLE IN IC401 TROUBLE IN T901 or PC INPUT H V SYNC SIGNAL NO H V SYNC SIGNAL NO NO NO DPMS TABLE Mode Item NORMAL STAND BY SUSPEND OFF H V SYNC ON ON OFF ON ON OFF OFF OFF LED GREEN AMBER AMBER AMBER VIDEO NORMAL OFF 0V OFF 0V OFF 0V YES YES CHECK B LINE 12V 15V 80V 5V TROUBLE IN Q913 Q915 NO YES STAND BY SUSPEND DPMS OFF MODE FAILURE ...

Страница 20: ...HECK IC401 PIN 6 5V CHECK Q920 COLLECTOR VOLTAGE 0 5V CHECK P901 CHECK RL901 TROUBLE IN IC401 MICOM TROUBLE IN D925 TROUBLE IN P901 TROUBLE IN RL901 TROUBLE IN TH901 DEGAUSSING COIL NO DEGAUSSING NO NO NO NO YES YES YES YES ...

Страница 21: ... 21 EXPLODED VIEW 9 8 13 14 14 7 B A 10 11 15 15 1 17 12 a b b c d 3 4 16 2 5 6 6 1 b d c a b b b c d ...

Страница 22: ...Y FB790G PWB PCB ASSEMBLY SUB F900BJ CONTROL TOTAL BRAND FBT FLY BACK TRANSFORMER FQM19A013 T910BJ 98K SAMSUNG 19 FILTER CIRC EMC 02MD5 DELTA BK F900BJ CABLE D SUB UL20276 9C 5 8MM AT 1560MM GRAY 85964 T910BJ DM METAL REAR BRACKET FB990G PWB PCB ASSEMBLY USB F700PJ SUB TOTAL BRAND METAL ASSEMBLY SHIELD BOTTOM FB990J HOLDER PCB FIX PCT ABS SCREW PTP 4 16 MSWR FZMY SHIELD ASSY TOP FB915B SCREW PTP 4...

Страница 23: ...R C460 0CE475CK638 4 7UF SHL SD 50V M FM5 TP 5 C601 0CQ6821N419 6800PF 100V J PE NI TP C602 181 288Q MKT 100V 154JTR PHS26154 C603 0CK1020W515 1000P 500V K B TS C605 0CE476CN618 47UF SHL 100V M FL TP5 C611 0CE108CH618 1000UF SHL 25V M FL TP5 C701 0CE106CK638 10UF SHL SD 50V M FM5 TP 5 C702 0CE3376N650 330M SMS 100V M FM7 5 C704 0CBZTBU003M 562J 20 0 14 0 8 5 10 0 800V C705 0CE336CN638 33UF SHL SD ...

Страница 24: ...03 4 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D301 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D302 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D303 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D304 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D305 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D306 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D307 0DS124409AA 1SS244 TP ROHM KOREA D308 0DS124409AA 1SS244 TP ROHM ...

Страница 25: ...10R2FG SAMWHA 3 5 10MM FB303 125 022J FERRITE KQ 1 JS 3 5 5 0MM AX DATE 2003 4 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION FB304 125 022J FERRITE KQ 1 JS 3 5 5 0MM AX FB305 125 155J BFS2550A0FG SAMWHA 2 5 5 0MM FB306 125 155A BFD3510R2FG SAMWHA 3 5 10MM FB309 125 155B BFS3580R2FG SAMWHA 3 5 8 0MM FB310 125 155A BFD3510R2FG SAMWHA 3 5 10MM FB311 125 155A BFD3510R2FG SAMWHA 3 5 10MM FB401 125 1...

Страница 26: ...M 1 2 W 7 0 5 TA52 R344 0RD0332Q609 33 1 4W 3 5 TA52 R345 0RD0332Q609 33 1 4W 3 5 TA52 R346 0RD0332Q609 33 1 4W 3 5 TA52 R347 971 0054 TIN 50MM TAPING DATE 2003 4 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R401 0RD3300Q609 330 1 4W 3 5 TA52 R402 0RD1000Q609 100 1 4W 3 5 TA52 R403 0RD4701Q609 4 70K 1 4W 3 5 TA52 R405 0RD4701Q609 4 70K 1 4W 3 5 TA52 R406 0RD4701Q609 4 70K 1 4W 3 5 TA52 R407 0R...

Страница 27: ...D1002Q609 10K 1 4W 3 5 TA52 R818 0RD2701Q609 2 70K 1 4W 3 5 TA52 DATE 2003 4 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R822 0RN3601F409 3 6K 1 6W 1 TA52 R823 0RD2703Q609 270K 1 4W 3 5 TA52 R824 0RN4700F409 470 1 6W 1 TA52 R825 0RN1002F409 10K 1 6W 1 TA52 R826 0RN1602F409 16K 1 6W 1 TA52 R827 0RN1002F409 10K 1 6W 1 TA52 R830 0RD1002Q609 10K 1 4W 3 5 TA52 R831 0RN9101F409 9 10K 1 6W 1 TA52 R8...

Страница 28: ...9 1K 1 4W 3 5 TA52 DATE 2003 4 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R202 0RD1600Q609 160 1 4W 3 5 TA52 R203 0RD2200Q609 220 1 4W 3 5 TA52 R204 0RD2200Q609 220 1 4W 3 5 TA52 R205 0RD1001Q609 1K 1 4W 3 5 TA52 R206 0RD1600Q609 160 1 4W 3 5 TA52 R207 0RD3300Q609 330 1 4W 3 5 TA52 R208 0RD3300Q609 330 1 4W 3 5 TA52 R209 0RD5600Q609 560 1 4W 3 5 TA52 R210 0RD3600Q609 360 1 4W 3 5 TA52 R211 0...

Страница 29: ...R TP R837 0RH3301D622 3 3K 1 10W 5 D R TP R841 0RH1502D622 15K 1 10W 5 D R TP R842 0RH1502D622 15K 1 10W 5 D R TP R850 0RH1502D622 15K 1 10W 5 D R TP R851 0RH1502D622 15K 1 10W 5 D R TP X801 6202TTB002B ATS 49 U SUNNY RADIAL 6MHZ 3 ZD801 0DZ510009EE UDZ S 5 1B TP ROHM K SOD323 ZD802 0DZ510009EE UDZ S 5 1B TP ROHM K SOD323 ZD803 0DZ510009EE UDZ S 5 1B TP ROHM K SOD323 ZD804 0DZ510009EE UDZ S 5 1B T...

Страница 30: ...Over Voltage Protection Input terminal of Under Voltage Protection Postive Input terminal of Buffer Amp Output terminal of Buffer Amp Postive Input terminal of OP Amp Negative Input terminal of OP Amp Output terminal of OP Amp Dead time control terminal Soft start function Output terminal of reference voltage 5V Ground terminal M62501P FP M62501 1 2 3 4 5 6 7 8 PWM OUT Vcc TIN Cosc Cagc POUT OVP U...

Страница 31: ...UTB vertical deflection coil Rp Vp VFB Rm Rref Idefl TDA4867J PHILIPS 32P SDIP SYMBOL INP INN VP OUTB GND OUTA VFB GUARD FEEDB DESCRIPTION non inverted input inverted input supply voltage output B ground output A flyback supply voltage guard output feedback inprt PIN 1 2 3 4 5 6 7 8 9 INP INN VP OUTB GND OUTA VFB GUARD FEEDB 1 2 3 4 5 6 7 8 9 TDA4867J Pin Configuration Block Diagram ...

Страница 32: ...COMPENSATION H SIZE AND V SIZE EW OUTPUT V OUTPUT V LINEARITY V LINEARITY BALANCE H PINCUSHION H CORNER H TRAPEZIUM H SIZE OUTPUT ASYMMETRIC EW CORRECTION FOCUS HORIZONTAL AND VERTICAL B CONTROL B CONTROL APPLICATION H OUTPUT STAGE X RAY PROTECTION PLL2 PARALLELOGRAM PIN UNBALANCE AND SOFT START V POSITION V SIZE VOVSCN TDA4841PS I C BUS RECEIVER 2 I C BUS REGISTERS HUNLOCK SDA SCL 9 2 to 16V H C ...

Страница 33: ... 33 34 SCHEMATIC DIAGRAM NOTICE Since this is a basic schematic diagram The value of components and some partial connection are sucject to be changed for improvement without notice ...

Страница 34: ... 35 36 PRINTED CIRCUIT BOARD 3 MAIN BOARD Component Side 1 CONTROL BOARD Component Side 4 MAIN BOARD Solder Side 2 CONTROL BOARD Solder Side 5 USB BOARD Component Side 6 USB BOARD Solder Side ...

Страница 35: ...Apr 2003 P NO 3828TSL087D Printed in Korea ...

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