LG FLATRON T910BJ Скачать руководство пользователя страница 1

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COLOR MONITOR

SERVICE MANUAL

Website:http://biz.LGservice.com

E-mail:http://www.LGEservice.com/techsup.html

CAUTION

BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

MENU

SELECT

MODEL:

T910B

(T910BJ-AL**E)

CHASSIS NO. : CA-129

( )

Same model for Service

Содержание FLATRON T910BJ

Страница 1: ... Website http biz LGservice com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MENU SELECT MODEL T910B T910BJ AL E CHASSIS NO CA 129 Same model for Service ...

Страница 2: ...set Image Size 350 x 262 mm 12 20 x 9 06 4 2 Display Color Full Colors 4 3 Display Resolution 1600 Dots x 1200Lines 4 4 Video Band width 203MHz 5 ENVIRONMENT 5 1 Operating Temperature 0 C 40 C 32 F 103 F Ambient 5 2 Relative Humidity 8 80 Non condensing 5 3 Altitude 10 000 ft 6 DIMENSIONS with TILT SWIVEL Width 443 mm 17 44 Depth 458 mm 18 03 Height 450 mm 17 72 7 WEIGHT with TILT SWIVEL Net Weigh...

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: ...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 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 Frequency Total Period Video Active...

Страница 5: ...e buttons to choose or adjust items in the on screen display 5 MENU Button Use this button to enter or exit the on screen display FRONT VIEW REAR VIEW AC Power Socket Signal Connector ID Label Front Control Panel Power ON OFF Button See Front Control Panel MENU SELECT Buttons MENU Button Power Button Power DPMS Indicator SELECT Button Shortcut Keys Brightness and Contrast can be adjusted directly ...

Страница 6: ...CONTROL LOCATIONS 6 VR801 High Voltage Adjustment 27kV VR901 B Adjustment 190V Line ...

Страница 7: ...WIRING DIAGRAM 7 DY Pin Degaussing Coil P702 P401 P402 P901 DY Assembly Screw P701 P201 Control PCB Anode Cap P451 SELECT ...

Страница 8: ...r face downward 2 Pull the latch a carefully remove the Tilt Swivel by pulling it upward 3 Remove two screws b 4 Release the latch c 5 Slide the Back Cover away from the Front Cabinet of the monitor 2 TOTAL CHASSIS ASSEMBLY REMOVAL 1 Set the monitor face downward 2 Pressing the latch a Main Chassis by pushing it upward a a CDT Please be careful not to cut pattern ...

Страница 9: ...BLOCK DIAGRAM 9 SIGNAL INPUT VIDEO BRIGHTWINDOW IC371 ...

Страница 10: ...sists of Q913 and Q915 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 3W 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 F...

Страница 11: ... The brightness control circuit is used to control of the screen brightness by changing the DC level of G1 19 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 20 Moire Reduction Circuit This circuit reduce interference between the periodical display pattern and the CDT s...

Страница 12: ...rocedure 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 Adjust V SIZE as arrow keys to 262 2mm 10 Adjust TRAPEZOID as arrow keys to be t...

Страница 13: ...CONTRAST command to 45 1FL of the raster luminance 17 Display color 15 0 full white patten at Mode 4 18 COLOR ADJ LUMINANCE ABL command 19 Adjust ABL to 30 1FL of the luminance 20 Exit from the program 5 Input EDID Data 1 Display color 15 0 cross hatch pattern at Mode 4 2 EEPROM Write EDID command and confirm EDID Write OK message of monitor 3 Exit from the alignment program 4 Power switch OFF ON ...

Страница 14: ... 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 15: ...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 16: ...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 17: ...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 18: ...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 19: ...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 20: ...MES IN CHECK IC301 PIN 18 V PULSE COMES IN CHECK IC301 PIN 13 14 15 IS THERE ANY SIGNAL WHEN OPERATING FRONT CONTROL NO OSD TROUBLE IN IC302 TROUBLE IN P302 TROUBLE IN P302 TROUBLE IN IC301 IC401 YES YES YES NO NO NO CHECK IC302 PIN 4 5V TROUBLE IN P302 NO YES ...

Страница 21: ... 21 EXPLODED VIEW A B 13 14 11 11 9 8 7 6 5 3 4 2 10 ME NU SE LE CT 1 12 ...

Страница 22: ...r Southern Hemisphere BACK COVER ASSEMBLY T910BG C047 BRAND LGC 8C359 For Europe BACK COVER ASSEMBLY T910BG C047 LGC 8C359 For Australia South Africa TILT SWIVEL ASSEMBLY E910BG EQ54 8C358 SCREW ASSY PHP 5 20 FZMY GW18 NEW TYPE COIL DEGAUSSING 0 45 115TS 17 OHM WITH EARTH T910BJ FBT FLY BACK TRANSFORMER FQM19A013 T910BJ 98K SAMSUNG 19 FILTER CIRC EMC 02MD5 DELTA BK F900BJ METAL REAR CB997E METAL A...

Страница 23: ...Q6821N419 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 0CE337EN630 330UF KMG 100V M FM5 BULK C704 0CBZTBU003M 562J 20 0 14 0 8 5 10 0 800V C705 0CE336CN638 33UF SHL SD 100V M FM5 TP 5 C707 0CE106CK638 10UF SHL SD 50V M...

Страница 24: ...148 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 KOREA D309 0DS124409AA 1SS244 TP ROHM KOREA D310 0DS124409AA 1SS244 TP ROHM KOREA D311 0DS124409AA 1SS244 TP ROHM KOREA D312 0DS124409AA 1SS244 TP ROHM KOREA D313 0DS...

Страница 25: ...AMWHA 2 5 5 0MM FB306 125 155A BFD3510R2FG SAMWHA 3 5 10MM DATE 2003 5 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION 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 155J BFS2550A0FG SAMWHA 2 5 5 0MM FB402 125 155N BFD3565R2FG SAMWHA 3 5 6 5MM FB403 125 155L BFS3580A0FG SAMWHA 3 5 8 0MM FB404 125 155F BFD...

Страница 26: ...A52 R343 0RD0332A609 33 OHM 1 2 W 7 0 5 TA52 R344 0RD0332Q609 33 1 4W 3 5 TA52 R345 0RD0332Q609 33 1 4W 3 5 TA52 DATE 2003 5 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R346 0RD0332Q609 33 1 4W 3 5 TA52 R347 971 0054 TIN 50MM TAPING 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...

Страница 27: ... 0RD2703Q609 270K 1 4W 3 5 TA52 R824 0RN4700F409 470 1 6W 1 TA52 DATE 2003 5 24 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R825 0RN1002F409 10K 1 6W 1 TA52 R826 0RN1502F409 15K 1 6W 1 TA52 R827 0RN1002F409 10K 1 6W 1 TA52 R830 0RD1002Q609 10K 1 4W 3 5 TA52 R831 0RN1002F409 10K 1 6W 1 TA52 R835 0RD4700Q609 470 OHM 1 4 W 3 4 5 TA52 R836 0RD1002A609 10K OHM 1 2 W 7 0 5 TA52 R837 0RN1202F409 12K 1 ...

Страница 28: ...004B TIME LAG HBC TSC 5A 250V WAL RL901 6920TBB006A DY3M DC12V DONGYANG 250VAC 5 SC301 6620TBD003A PCS701E PARK ELEC 10PIN 14 SC901 6200TJB001N 02MD5 DELTA BK F900BJ SG301 6918TAT005E MTAS 201M GIGA AXIAL TAPING SG302 6918TAT005E MTAS 201M GIGA AXIAL TAPING SG303 6918TAT005E MTAS 201M GIGA AXIAL TAPING SG304 6918TAT005E MTAS 201M GIGA AXIAL TAPING SG305 165 004A AG20PT 152F L3N S 23 HANDOK SG701 1...

Страница 29: ...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 30: ...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 31: ...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 32: ... 32 33 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 33: ... 34 35 PRINTED CIRCUIT BOARD 3 MAIN BOARD Component Side 4 MAIN BOARD Solder Side 1 CONTROL BOARD Component Side 2 CONTROL BOARD Solder Side ...

Страница 34: ...May 2003 P NO 3828TSL076J Printed in Korea ...

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