LG Flatron ez T710PH Service Manual Download Page 6 | Manualshive

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WIRING DIAGRAM

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P501

P201

P405

P301

P302

G2

P702

P701

T1

P402

P902

S+ S

Signal
Cable

AC
Socket

FBT

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Summary of Contents for Flatron ez T710PH

Page 1: ... E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MENU SELECT Brightview MODEL T710PH T710PHJ AL E AL Q CHASSIS NO CA 128 Same model for SVC Same looking with new chassis Issue Date 2003 6 ...

Page 2: ... Area Max Image Size 325 1 x 243 8 mm 12 79 x 9 59 Preset Image Size 315 x 230 mm 12 40 x 9 06 4 2 Display Color Full Colors 4 3 Display Resolution 1280 x 1024 75Hz Max Non Interlace 4 4 MTBF 50 000HRS 5 ENVIRONMENT 5 1 Operating Temperature 0 C 40 C Ambient 5 2 Relative Humidity 10 90 Non condensing 5 3 Altitude 5 000m 6 DIMENSIONS with TILT SWIVEL Width 400mm 15 75 inch Depth 411mm 16 18 inch He...

Page 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 ...

Page 4: ... 4 640x480 75Hz Sync Polarity Frequency Total Period A Video Active Time B Sync Duration E Blanking Time C Back Porch F Front Porch D Resolution H 53 68 18 63 14 22 4 41 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 1280x1024 75Hz 800x600 85Hz 1024x768 85Hz H 79 976 12 504 9 481 3 022 1 067 ...

Page 5: ... 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 MENU SELECT Brightview Power ON OFF Button See Front Control Panel MENU SELECT Brightview Buttons MENU Button Power Button Power DPMS Indicator SELECT Button ...

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

Page 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 ...

Page 8: ...D D Feed Back 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 TRAPEZOID PIN BALANCE PARALLELOGRAM TOP CORNER BOTTOM CORNER RECALL DEGAUSSING MOIRE LANGUAGE RESET OSD TIME TILT VIDEO INPUT LEVEL BRIGHT VIEW TEXT PHOTO MOV...

Page 9: ... 3 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 sig...

Page 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 ...

Page 11: ...d 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 S...

Page 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 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 OFF ON...

Page 13: ...901 TROUBLE IN IC901 TROUBLE IN D941 D942 D951 D961 D962 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 D962 D971 VOLTAGE TROUBLESHOOTING GUIDE ...

Page 14: ...3 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 IC304 TROUBLE IN CRT SOCKET YES NO ...

Page 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 ...

Page 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 ...

Page 17: ...E 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 74K 77 9K 78 0K 83 9K 84 0K 86 9K Cs1 L L L L H L L L H H H H Cs3 L L H H H H H H H H H H Cs2 L H L L L H H H H H H H ...

Page 18: ...8 6 NO VERTICAL DEFLECTION NO V DEFLECTION ONE HORIZONTAL LINE CHECK IC601 PIN 3 15V CHECK IC701 PIN 12 13 TROUBLE IN R603 15V LINE TROUBLE IN IC701 TROUBLE IN IC601 V CIRCUIT NO YES YES NO 5V 12Pin 13Pin ...

Page 19: ...BLE 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 FV FH CHECK IC302 B 5V ENTER BUTTON MUST BE PRESSED CHECK IC302 PIN 1 24 WAVEFORM ...

Page 20: ...HECK 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 DPM H L L L LED GREEN AMBER AMBER AMBER DPMS H H H L YES YES SEE DPM TABLE YES YES 5V 12MHz ...

Page 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 ...

Page 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 ...

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

Page 24: ...CREW PTP 4 20BP MSWR FZMY BRACKET CB777H HOLDER FBT HOLDER PCB FIX PC ABS PWB PCB ASSEMBLY SUB T710PHJ LGEDI CONTROL TOTAL BRAND CA 119 PWB PCB ASSEMBLY SUB T710BH CONTROL TOTAL BRAND CA 119 For Russia PWB PCB ASSEMBLY SUB T710PHJ CONTROL TOTAL IOMG CA 128 For Iran MAIN TOTAL ASSEMBLY T710BHJ BRAND CA 128 LGEDI MAIN TOTAL ASSEMBLY T710PHJ BRAND CA 128 For Russia MAIN TOTAL ASSEMBLY T710PHJ IOMG CA...

Page 25: ...01 0CQ3321N419 3300P 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 C706 0CZZTFT001Z ECQB1H104JM3 104J 50V TP5 0 C707 0CZZTFT002B ECQV1H154JZ3 154J 50V TP5 0 C708 0CE227CH638 220UF SHL SD 25V M FM5 TP 5 C709 181 288P MKT 100V 153JTR PHS86153 C710 0CN1040K949 0 1M 50V Z F TA52 C711 0CQ5621N419 56...

Page 26: ... 400V 1A D711 0DS141489AB 1N4148 TP GRANDE DO 34 500MW DATE 2003 06 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D712 0DR100009CA RGP10G TP GULF SEMICONDUCTOR D714 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D715 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D716 0DR140059AD 1N4005 GULF TP DO41 600V 1A D717 0DR140059AD 1N4005 GULF TP DO41 600V 1A D718 0DR140059AD 1N4005 GULF TP DO41 600V 1A D719 0DR10...

Page 27: ...CA FAIRCHILD 2N3904 TA TP TO 9 Q722 0TR319809AA KTC3198 Y KTC1815 TP KEC TO Q723 0TR127009AA KTA1270 Y KTA562TM TP KEC T Q731 0TR928009AB KSA928A Y TP SAMSUNG TO92L P Q732 0TR319809AA KTC3198 Y KTC1815 TP KEC TO Q799 0TRKE90019A MPSA92 KEC TP TO92 300V 50 DATE 2003 06 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q821 0TRKE10007A KTD882 Y KEC ST TO126 40V 3A For Europe Q821 0TRFC10003A FAIRCHIL...

Page 28: ...09 4 30K 1 4W 3 5 TA52 R723 0RD1001Q609 1K 1 4W 3 5 TA52 R724 0RD1001Q609 1K 1 4W 3 5 TA52 DATE 2003 06 16 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R725 0RN1501F409 1 5K 1 6W 1 TA52 R726 0RD5102A609 51K OHM 1 2 W 7 0 5 TA52 R727 0RX0562K665 56 OHM 2 W 5 00 SF R728 0RD1001Q609 1K 1 4W 3 5 TA52 R729 0RD1002Q609 10K 1 4W 3 5 TA52 R731 0RD1002Q609 10K 1 4W 3 5 TA52 R732 0RD6802Q509 68K OHM 1 4 W ...

Page 29: ...0 5 TA52 R954 0RD4701Q609 4 70K 1 4W 3 5 TA52 R955 0RD4701Q609 4 70K 1 4W 3 5 TA52 R956 0RD6802A609 68K OHM 1 2 W 7 0 5 TA52 R957 0RD0472A609 47 OHM 1 2 W 7 0 5 TA52 R960 0RD6200A609 620 OHM 1 2 W 7 0 5 00 TA5 F1 430 858C AFC 520 BAE EUN TA F2 430 858C AFC 520 BAE EUN TA F901 0FZZTTH004B TIME LAG HBC TSC 5A 250V WAL RL901 6920TBB006A DY3M DC12V DONGYANG 250VAC 5 SC301 6620TBD004A GZS10 2 101 DUOLI...

Page 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...

Page 31: ...IZE 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 sync V clamping blanking PR...

Page 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 ...

Page 33: ... 34 35 PRINTED CIRCUIT BOARD 1 CONTROL BOARD Component Side 2 CONTROL BOARD Solder Side 3 MAIN BOARD Component Side 4 MAIN BOARD Solder Side ...

Page 34: ...Jun 2003 P NO 3828TSL091W Printed in Korea ...

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