LG StudioWorks 773E Скачать руководство пользователя страница 14 | Manualshive

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3. NO RASTER

NO VIDEO

(POWER INDICATOR ON)

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

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Содержание StudioWorks 773E

Страница 1: ...w LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MENU SELECT MODEL StudioWorks 773N CB773H ML StudioWorks 773E CB773H EL CB773H NJ CB773H EJ TINY773N 773N Rev B CHASSIS NO CA 119 FACTORY MODEL CB773H ID LABEL Model No ...

Страница 2: ... mm 12 86 x 9 67 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 0 mm 15 74 inch Depth 430 0 mm 16 92 inch Height 410 0 mm 16 1...

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: ...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 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 Duratio...

Страница 5: ... Power Indicator This indicator lights up green when the monitor operates normally in DPMS Energy Saving mode stand by suspend or power off mode its color changes to amber and if abnormal or damaging circuit turns out amber blink 3 Select Button Use this button to enter a selection in the on screen display 4 SET Button Use these buttons to choose or adjust items in the on screen display 5 MENU But...

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

Страница 7: ...6 H Linearity Correction DC DC Converter X RAY Protection Circuit FBT T701 Dynamic Focus Circuit Auto Beam Limit Vertical Blanking Brightness Control 160V 40V 400V STEP UP 13V D D Feed Back 13V MICOM IC401 SCL SDA H V Sync PWM Control 12V 5V 13V 105V 13V 10V 50V DY CDT Heater 6 3V I 2 C I 2 C I 2 C H V Sync G1 Screen G2 Dynamic Focus Static Focus H V R G B Drive Contrast Cut Off H DRV B DRV B 13V ...

Страница 8: ...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 signal This circuit c...

Страница 9: ... 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 10: ...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...

Страница 11: ...lay 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 12: ...E IN D900 TROUBLE IN FUSE 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 Q901 PIN 6 WAVEFORM CHECK D941 D942 D951 D961 D971 VOLTAGE ...

Страница 13: ...303 PIN 1 2 4 CHECK IC303 PIN 7 105V PIN 3 13V TROUBLE IN P302 5V LINE TROUBLE IN PC SIGNAL P301 SIGNAL CABLE TROUBLE IN IC302 TROUBLE IN P303 12V 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 14: ...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 15: ...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 Q703 Q704 D710 TROUBLE IN Q705 TROUBLE IN T701 P701 NO NO YES YES YES YES NO NO 0V T ...

Страница 16: ...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 H L L L H H Cs2 L H L L H H H H H ...

Страница 17: ... 17 6 NO VERTICAL DEFLECTION NO V DEFLECTION ONE HORIZONTAL LINE CHECK IC601 PIN 2 13V CHECK IC701 PIN 23 TROUBLE IN D610 13V LINE TROUBLE IN IC701 TROUBLE IN IC601 V CIRCUIT NO YES YES NO 3V ...

Страница 18: ...OUBLE IN IC601 PIN1 V FBP T701 40V LINE H FBP TROUBLE IN IC302 IC301 TROUBLE IN IC301 IC302 NO YES DC 5V YES YES YES NO NO NO Pin 5 5V Pin 10 5V H V 5V H V CHECK IC301 B 5V CHECK IC301 PIN 12 WAVEFORM ENTER BUTTON MUST BE PRESSED CHECK IC301 PIN 5 10 WAVEFORM CHECK IC301 PIN 13 14 15 ...

Страница 19: ...V 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 20: ...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 21: ...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 13V LINE AND 6 3V LINE CHECK Q503 EMITTER VOLTAGE NO NO CHECK IC401 PIN21 WAVE FORM ...

Страница 22: ...EXPLODED VIEW 11 14 12 12 11 10 10 1 10 2 8 B A 7 9 2 5 6 1 a b c M E N U S E L E C T 3 4 13 22 ...

Страница 23: ...773F B046 T051 60HR 85964 WA LOCAL TILT SWIVEL ASSEMBLY CB773F B046 T051 60HR 15448 LOCAL TINY only SCREW ASSY PHP 5 20 FZMY GW18 NEW TYPE CDT FIX COIL DEGAUSSING 1090MM 16 5OHM 0 4MM 110T 17 WITH EARTH FBT FLY BACK TRANSFORMER CF2077LG273A LIEN CHANGE 17 SOCKET CIRC POWER CDJ 3C DUOLING AC UNIVERSAL 3PIN BLACK CABLE D SUB UL2990 9C 5 8 AT 1560MM GRAY 85964 EB770H DM METAL SHIELD BOTTOM CB776 BRAC...

Страница 24: ... C708 0CE227CH638 220UF SHL SD 25V M FM5 TP 5 C709 0CE225CK638 2 2UF SHL SD 50V M FM5 TP 5 C710 181 288Q MKT 100V 154JTR PHS26154 C711 181 288E MKT 100V 474JTR PHS 26474 C712 181 288B MKT 100V 104JTR PHS26104 C713 0CK2210K515 220P 50V K B TS C714 0CE107CF638 100UF SHL SD 16V M FM5 TP 5 C715 181 288N MKT 100V 103JTR PHS86103 C717 0CE476CF638 47UF SHL SD 16V M FM5 TP 5 C719 0CZZTAB001F SHL BP SYE SW...

Страница 25: ...E DO 34 500MW 1 D714 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 DATE 2002 12 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D715 0DS141489AB 1N4148 TP GRANDE DO 34 500MW 1 D716 0DR140059DA 1N4005TB52 TP LITEON DO41 600V D717 0DR140059DA 1N4005TB52 TP LITEON DO41 600V D718 0DR140059DA 1N4005TB52 TP LITEON DO41 600V D719 0DR100009DA RGP10J TP GULF SEMICONDUCTOR L D720 0DS141489AB 1N4148 TP GRANDE ...

Страница 26: ...C3198 Y KTC1815 TP KEC TO92 Q952 0TR928009AB KSA928A Y TP SAMSUNG TO92L PNP Q953 0TR319809AA KTC3198 Y KTC1815 TP KEC TO92 R301 0RD0752Q609 75 1 4W 3 5 TA52 R302 0RD0752Q609 75 1 4W 3 5 TA52 R303 0RD0752Q609 75 1 4W 3 5 TA52 R304 0RD3001Q609 3K 1 4W 3 5 TA52 DATE 2002 12 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R305 0RD1001Q609 1K 1 4W 3 5 TA52 R307 0RD1001Q609 1K 1 4W 3 5 TA52 R309 0RN620...

Страница 27: ...H609 0 56 1 2W 5 TA52 R739 0RD1503Q609 150K 1 4W 3 5 TA52 R740 0RD0271A609 2 7 OHM 1 2 W 7 0 5 TA52 DATE 2002 12 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R741 0RD1000Q609 100 1 4W 3 5 TA52 R742 0RD3601Q609 3 60K 1 4W 3 5 TA52 R743 0RD4701Q609 4 70K 1 4W 3 5 TA52 R744 0RD2700A609 270 OHM 1 2 W 7 0 5 TA52 R745 0RD4702Q609 47K 1 4W 3 5 TA52 R746 0RD2201Q609 2 20K 1 4W 3 5 TA52 R747 0RD3001Q60...

Страница 28: ...1K 1 4W 3 5 TA52 J86 0RD2400Q609 240 OHM 1 4 W 3 4 5 TA52 RL901 6920TBB006A DY3M DC12V DONGYANG 250VAC 5A RL901 6920TBB006A DY3M DC12V DONGYANG 250VAC 5A SC301 6620TBD004A GZS10 2 101 DUOLING SANLING 1 SC901 6620TKB002D CDJ 3C DUOLING AC UNIVERSAL 3P SC901 6620TKB002D CDJ 3C DUOLING AC UNIVERSAL 3P SG301 6918TAT007A KSA 201 MA Y Y UNICTRON AXIAL SG302 6918TAT007A KSA 201 MA Y Y UNICTRON AXIAL SG30...

Страница 29: ...SYNC MONITORS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 H HVSyn VSyn HLckVBk HPLL2C CO HGND RO HPLL1F HPosF HMoirØ HFly RefOut BComp BRegIn BISense HOscF HEHTIn VEHTIn VOscF VAGCCap VGND VCap VOut EWOut XRay HOut GND BOut Vcc SCL SDA VDyCor ...

Страница 30: ...on asymm Parallelogram Hor duty cycle H moirØ am plitude VDyCor amplitude B ref Vertical size Vertical position Vertical moirØ Pin cushion Keystone Top corners Bottom corners Functions controlled via I 2 C Bus H size Control voltage level STV6888 Block Diagram ...

Страница 31: ... 31 STV9211 Pin Configuration Pin Description ...

Страница 32: ... 32 BLOCK DIAGRAM STV9211 ...

Страница 33: ... 33 STV9556 1 2 3 4 5 6 7 8 9 10 11 OUT1 OUT2 OUT3 GNDP GNDA IN3 VDD GNDS VCC IN2 IN1 BLOCK DIAGRAM Pin Configuration ...

Страница 34: ...IIC SDA IIC SCL DDC SDA DDC SCL 34 35 SCHEMATIC DIAGRAM ...

Страница 35: ... 36 37 PRINTED CIRCUIT BOARD 1 MAIN BOARD Component Side 2 MAIN BOARD Solder Side ...

Страница 36: ...Dec 2002 P NO 3828TSL091J Printed in Korea ...

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