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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

Brightview

MODEL:

T710BH

(T710BHJ-AL**E)

CHASSIS NO. : CA-131

T710SH

(T710BHJ-AL**M)

( ) **Same model for Service

*Same looking with new chassis.

Issue Date; 2003. 6.

Содержание Flatron T710BHJ-AL**E

Страница 1: ...ttp www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MENU SELECT Brightview MODEL T710BH T710BHJ AL E CHASSIS NO CA 131 T710SH T710BHJ AL M Same model for Service Same looking with new chassis Issue Date 2003 6 ...

Страница 2: ... 80 x 9 60 Preset Image Size 310 x 230 mm 12 20 x 9 06 4 2 Display Color Full Colors 4 3 Display Resolution 1280 x 1024 60Hz Max Non Interlace 4 4 Video Bandwidth 110 MHz 5 ENVIRONMENT 5 1 Operating Temperature 0 C 40 C Ambient 5 2 Relative Humidity 10 90 Non condensing 5 3 Altitude 5 000 m 6 DIMENSIONS with TILT SWIVEL Width 400 mm 15 75 inch Depth 411 mm 16 18 inch Height 401 mm 15 79 inch 7 WEI...

Страница 3: ...sign 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 X RADIATION The only ...

Страница 4: ...1 1 14 2 70 0 57 V 85 07 11 755 11 178 0 577 0 056 0 503 0 018 H 68 677 14 561 10 836 3 725 1 016 2 201 0 508 V 85 00 11 764 11 182 0 582 0 044 0 524 0 014 Mode H V Sort 1 2 3 4 640x480 75Hz 800x600 85Hz 1024x768 85Hz 800x600 75Hz Dot Clock MHz Horizontal Frequency kHz Vertical Frequency Hz Horizontal etc µs Vertical etc ms Sync Polarity Frequency Total Period A Video Active Time B Sync Duration E...

Страница 5: ...Button Use this button to enter or exit the on screen display 6 Brightview Button To apply the High brightness Use this button to select brightview function TEXT PHOTO MOVIE NORMAL FRONT VIEW REAR VIEW AC Power Socket Signal Connector ID Label Front Control Panel Power ON OFF Button See Front Control Panel MENU SELECT Brightview Buttons MENU Button Power Button Power DPMS Indicator SELECT Button B...

Страница 6: ...WIRING DIAGRAM 6 P501 P201 P405 P301 P302 G2 P702 P701 T1 P402 P902 S S Signal Cable AC Socket FBT ...

Страница 7: ...ve the Tilt Swivel by pulling it upward 3 Pressing the latch b Back cover by pushing it upward 4 Release the latch c See Tip Spec 5 Slide the Back Cover away from the Front Cabinet of the monitor Tip C B A Tip Spec A Width 5 0 15 0mm B Depth 0 6 0 9mm C Height 12 0mm a Back Cover Cabinet b c 1 2 3 ...

Страница 8: ...rtical Blanking 160V 15V D D Feed Back 30V 12V MICOM IC401 SCL SDA H V sync PWM control signal 15V 15V 50V DY CDT Heater 6 3V I 2 C I 2 C I 2 C H V Sync Screen H V R G B Bias R G B Contrast H Drive B Drive B 15V BRIGHTNESS CONTRAST COLOR CURVE H V POSITION H V SIZE SPCC TRAPIZODE PIN BALANCE PARALLELOGRAM TOP CORNER BOTTOM CORNER RECALL DEGAUSSING MOIRE LANGUAGE RESET OSD TIME TILT DPM Control Cir...

Страница 9: ... The Micom sets operating mode and offers the controlled data H size H position V size etc 4 The controlled data of each mode is stored in itself 5 User can adjust screen condition by each OSD function The data of the adjusted condition is stored in EEPROM IC402 6 Horizontal and Vertical Oscillation This circuit generates the horizontal pulse and the vertical pulse by taking the H and V sync signa...

Страница 10: ...e deflection yoke of the CRT 16 Video Pre Amp Circuit This circuit amplifies the analog video signal from 0 0 7V to 0 4V It is operated by taking the clamp R G B drive and contrast signal from the Micom IC401 17 Video Output Amp Circuit This circuit amplifies the video signal which comes from the video pre amp circuit and amplified it to applied the CRT cathode ...

Страница 11: ...color data will be erased 4 Power button of the monitor turn off turn on 5 COMMAND PRESET START Y Yes command 6 DIST ADJ CTRL PWM TILT command 7 Adjust tilt as arrow keys to be the best condition 8 DIST ADJ BALANCE command 9 Adjust parallelogram as arrow keys to be the best condition 10 Adjust balance of pin balance as arrow keys to be the best condition 11 DIST ADJ FOS ADJ command 12 Adjust V SIZ...

Страница 12: ...ay color 15 0 full white patten at Mode 4 21 COLOR ADJ LUMINANCE ABL command 22 Adjust ABL to 32 1FL of the luminance 23 After push the ENTER key and COMMAND PRESET EXIT Y Yes command 24 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 ...

Страница 13: ...USE F901 TROUBLE IN Q901 TROUBLE IN D941 D942 D951 D961 D971 TROUBLE IN Q903 Q952 Q951 Q942 Q941 CHECK FUSE OK CHECK C908 VOLTAGE AC120V 160VDC AC220V 304VDC NO YES YES YES YES NO NO NO CHECK IC901 PIN 6 WAVEFORM CHECK D941 D942 D951 D961 D971 VOLTAGE TROUBLESHOOTING GUIDE ...

Страница 14: ...C303 PIN 1 2 3 CHECK IC303 PIN 4 80V PIN 8 15V TROUBLE IN P302 5V LINE TROUBLE IN PC SIGNAL P301 SIGNAL CABLE TROUBLE IN IC302 TROUBLE IN P303 15V LINE 80V LINE TROUBLE IN IC303 NO YES NO NO YES YES YES YES NO NO CHECK R G B CATHODE VOLTAGE TROUBLE IN R331 R333 L311 L313 D307 D312 TROUBLE IN CRT SOCKET YES NO ...

Страница 15: ...CHECK POWER INDICATOR GREEN or AMBER CHECK D712 ANODE 160V CHECK G1 VOLTAGE 55V 15V TROUBLE IN D712 TROUBLE IN Q799 DPM MODE NO H and or V SYNC AMBER NO GREEN YES NO CHECK CDT HEAT VOLTAGE 6 3V TROUBLE IN D941 Q942 Q941 YES NO TROUBLE IN CDT YES ...

Страница 16: ...E VERTICAL LINE CHECK Q706 CHECK B VOLTAGE 50V CHECK T701 FBT PIN 2 31KHZ 60V 69KHZ 140V CHECK Q705 COLLECTOR WAVEFORM TROUBLE IN Q706 TROUBLE IN 50V LINE TROUBLE IN Q719 Q720 D710 TROUBLE IN Q705 TROUBLE IN T701 P701 NO NO YES YES YES YES NO NO 0V T ...

Страница 17: ...UBLE IN IC401 MICOM TROUBLE IN Q711 Q716 TROUBLE IN L703 TROUBLE IN C722 C723 C726 C729 NO NO NO YES YES YES Cs SIGNAL TABLE HORIZONTAL FREQUENCY fH 30K 33 9K 34K 38 9K 39K 43 9K 44K 48 9K 49K 51 9K 52K 57 9K 58K 61 9K 62K 65 9K 66K 71K Cs1 L L H H H H H H H Cs3 L L L L L L L H H Cs2 L H L L H H H H H ...

Страница 18: ...8 6 NO VERTICAL DEFLECTION NO V DEFLECTION ONE HORIZONTAL LINE CHECK IC601 PIN 3 15V CHECK IC701 PIN 12 13 TROUBLE IN D951 15V LINE TROUBLE IN IC701 TROUBLE IN IC601 V CIRCUIT NO YES YES NO 5V 12Pin 13Pin ...

Страница 19: ...ROUBLE IN OSD PERIPHERAL CIRCUIT NO OSD TROUBLE IN 5V LINE TROUBLE IN IC401 PIN 29 V FBP IC701 PIN 1 LINE H FBP NO YES DC 5V YES NO Pin 24 5V Pin 1 CHECK IC302 B 5V ENTER BUTTON MUST BE PRESSED CHECK IC302 PIN 1 24 WAVEFORM ...

Страница 20: ...CHECK PC PC IS NOT GOING INTO DPM OFF MODE TROUBLE IN X401 TROUBLE IN IC401 MICOM TROUBLE IN Q941 Q942 Q951 Q952 TROUBLE IN PC OFF MODE FAILURE INPUT H V SYNC SIGNAL H V SYNC NO OFF MODE NO NO NO NO DPMF 0V DPM TABLE Mode Item NORMAL STAND BY SUSPEND OFF DPMF H L L L LED GREEN AMBER AMBER AMBER DPMS H H H L YES YES SEE DPM TABLE YES YES 5V 24MHz ...

Страница 21: ...HECK Q953 COLLECTOR VOLTAGE CHECK P902 CHECK RL901 TROUBLE IN IC401 MICOM TROUBLE IN Q953 TROUBLE IN P902 TROUBLE IN RL901 TROUBLE IN TH901 DEGAUSSING COIL NO DEGAUSSING DC 15V NO NO NO NO YES YES YES YES DEGAUSS ON THE OSD MENU MUST BE PRESSED ...

Страница 22: ...N NO TILT NO ROTATION TROUBLE IN IC401 MICOM TROUBLE IN 15V LINE 6 3V LINE TROUBLE IN Q501 Q503 TROUBLE IN P501 TILT COIL NO YES YES YES CHECK 15V LINE AND 6 3V LINE CHECK Q503 EMITTER VOLTAGE NO NO CHECK IC401 PIN21 WAVE FORM ...

Страница 23: ...EXPLODED VIEW 23 11 13 13 14 12 2 12 1 15 15 4 3 8 B A 2 6 7 5 10 9 a b c b 1 M EN U SE LE CT Br igh tvi ew ...

Страница 24: ...LY SUB T710BHJ CONTROL TOTAL BRAND CA 131 For Israel METAL SHIELD BOTTOM CB553 0 8T REAR HOLE DELETE METAL SHIELD BOTTOM C CKD For Israel BRACKET CN771C SUPPORTER BOT RIGHT BRACKET CN771C SUPPORTER BOT LEFT SCREW PTP 4 20BP MSWR FZMY BRACKET CB777H HOLDER FBT HOLDER PCB FIX PC ABS MAIN TOTAL ASSEMBLY T710BHJ BRAND CA 131 LGEDI MAIN TOTAL ASSEMBLY T710BHJ BRAND CA 131 For Mexico Panama Thailand MAI...

Страница 25: ...SHL SD 50V M FM5 TP 5 C601 0CE477EH618 470UF KMG 25V M FL TP 5 C602 181 288B MKT 100V 104JTR PHS26104 C603 0CE476CK638 47UF SHL SD 50V M FM5 TP 5 C604 0CZZTFT001V ECQB1H473JM3 473J 50V TP5 0 C605 0CK1020W515 1000P 500V K B TS C701 0CQ5621N419 5600P 100V J POLY NI TP C702 0CZZTFT001M ECQB1H103JF3 MATSUSHITA 50V C703 0CZZTFT001Z ECQB1H104JM3 104J 50V TP5 0 C704 0CQ8221N519 0 0082U 100V K POLY NI TP ...

Страница 26: ...HM KOREA D312 0DS124409AA 1SS244 TP ROHM KOREA D313 0DS124409AA 1SS244 TP ROHM KOREA D314 0DS124409AA 1SS244 TP ROHM KOREA D315 0DS124409AA 1SS244 TP ROHM KOREA D316 0DR140059DA 1N4005TB52 TP LITEON DO41 60 D402 0DSGF00019A 1N4148 GULF TP DO35 100V 0 1 D404 971 0054 TIN 50MM TAPING D512 0DSGF00019A 1N4148 GULF TP DO35 100V 0 1 D702 0DS124409AA 1SS244 TP ROHM KOREA D704 0DR150051AA DMV1500M F5 ST S...

Страница 27: ...P KEC TO Q705 0TR200009AB KTC200 Y TP KEC TO92 NPN Q706 0TRFC10008A FJAF5804 TU FAIRCHILD ST TO DATE 2003 06 17 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q707 0TR127009AA KTA1270 Y KTA562TM TP KEC T Q708 0TR127009AA KTA1270 Y KTA562TM TP KEC T Q709 0TR141300AB KTD1413 BK KEC TO220I S NPN Q710 0TRKE90020A MPSA44 KEC TP TO92 500V 300M Q711 0TF630000AC IRF630M BK SGS THOMSON 200V Q712 0TF630000AC...

Страница 28: ...2 R702 0RN6800F409 680 1 6W 1 TA52 R703 0RD1001Q609 1K 1 4W 3 5 TA52 R704 0RD3601Q509 3 6K OHM 1 4 W 3 4 2 TA52 DATE 2003 06 17 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R706 0RN2701F409 2 7K OHM 1 6 W 1 00 TA52 R709 0RD2202Q609 22K 1 4W 3 5 TA52 R710 0RD1000Q609 100 1 4W 3 5 TA52 R711 0RD1000Q609 100 1 4W 3 5 TA52 R712 0RD1500A609 150 OHM 1 2 W 7 0 5 TA52 R713 0RD1000Q609 100 1 4W 3 5 TA52 R7...

Страница 29: ...926 0RD4301Q609 4 30K 1 4W 3 5 TA52 R927 0RD2002Q609 20K 1 4W 3 5 TA52 R928 0RD1800Q609 180 1 4W 3 5 TA52 R929 0RD0332Q609 33 1 4W 3 5 TA52 R941 0RN0220H609 0 22 1 2W 5 TA52 R944 0RD4700A609 470 OHM 1 2 W 7 0 5 TA52 R945 0RD4701Q609 4 70K 1 4W 3 5 TA52 R951 971 0054 TIN 50MM TAPING R952 0RD1202A609 12K OHM 1 2 W 7 0 5 00 TA5 R953 0RD1001A609 1K OHM 1 2 W 7 0 5 TA52 R954 0RD4701Q609 4 70K 1 4W 3 5 ...

Страница 30: ...FLYBACK GENERATOR GUARD CIRCUIT INPUT STAGE from e g TDA485X or SAA4856 INP INN IPROTECTION AMPLIFIER B 4 9 6 8 1 2 3 5 7 OUTA GUARO output power save mode GND FEEDB OUTB vertical deflection coil Rp Vp VFB Rm Rref Idefl Block Diagram 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 out...

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 ...

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: ...Jun 2003 P NO 3828TSL091U Printed in Korea ...

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