LG Flatron E701S Скачать руководство пользователя страница 14 | Manualshive

Страница: 14 / 36

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2. NO CHARACTER

NO CHARACTER

CHECK

IC302

PIN 7(5V) ?

CHECK

IC302 PIN 1, 3, 5?

CHECK

IC302 PIN 14, 16, 18 ?

CHECK

IC303

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

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Содержание Flatron E701S

Страница 1: ...COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Same model for Service CHASSIS NO CL 119 MODEL E701S ES774H AL M Same looking with new chassis ...

Страница 2: ...set Image Size 310 x 230 mm 12 20 x 9 06 4 2 Display Color Full Colors 4 3 Display Resolution 1024 x 768 85Hz Non Interlace 4 4 Video Bandwidth 110 MHz 5 ENVIRONMENT 5 1 Operating Temperature 0 C 40 C 32 F 104 F 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 424 0 mm 16 70 inch Height 395 0 mm 15 55 inch 7 WEIGH...

Страница 3: ...s 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 potential source of X radiation is the picture tube However when the hi...

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 E Video Active Time A Sync Duratio...

Страница 5: ...splay 4 Button Use these buttons to choose or adjust items in the on screen display 5 SELECT or SET Button Use this button to enter a selection in the on screen display OPERATING INSTRUCTIONS 5 FRONT VIEW REAR VIEW AC Power Socket Signal Connector ID Label Front Control Panel Power ON OFF Button See Front Control Panel 100 100 The Contrast and Brightness functions are also available in the On Scre...

Страница 6: ...rd 2 Pull the latch a carefully remove the Tilt Swivel by pulling it upward 3 Pressing the latch b Back cover by pushing it upward 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 7: ...WIRING DIAGRAM 7 P501 P201 P405 P301 P302 G2 P702 P701 T1 P402 P902 S S Signal Cable AC Socket FBT ...

Страница 8: ... Q706 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 I2C I2C I2C 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 TI...

Страница 9: ...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 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: ...TRL 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 SIZE as arrow keys to 230 2mm 13 Adjust V POSITION as arrow keys to center of the screen 14 Adjust H SIZE as arrow keys to 31...

Страница 12: ...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 4 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 for EDID data save 5 Adjustment for Focus 1 Set the Bright...

Страница 13: ...OUBLE 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 SQUARE WAVE COMES OUT CHECK D941 D942 D951 D961 D971 VOLTAGE ...

Страница 14: ...3 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 15: ...ECK 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: ...RTICAL 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 D704 D710 TROUBLE IN Q705 TROUBLE IN T701 P701 NO NO YES YES YES YES NO NO 0V T ...

Страница 17: ...LE 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 70K Cs1 L L H H H H H H H Cs3 L H H H L L L H H Cs2 L H L L H H H H H ...

Страница 18: ...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 19: ...BLE 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 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 YES YES SEE DPM TABLE YES YES 5V 24MHz DPMS H H H L ...

Страница 21: ... Q953 COLLECTOR 15V 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: ...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 23: ...EXPLODED VIEW 23 8 B A 2 12 12 6 7 5 11 14 10 9 a b c b 1 13 13 4 3 ...

Страница 24: ...0MM GRAY 85964 CB777H DM CABLE D SUB UL 2990 9C 7 5 AT 1560MM GRAY 85964 CB777H GM CABLE D SUB UL20276 9C 5 8MM AT 1560MM GRAY 85964 EB770H GM PWB PCB ASSEMBLY SUB ES774H CONTROL TOTAL BRAND LGESP CKD METAL SHIELD BOTTOM H CHASSIS C CKD HOLDER PCB FIX PC ABS BRACKET CB777F SUPPORTER CDT BRACKET H CHASSIS HOLDER FBT A CKD MAIN TOTAL ASSEMBLY ES774H BRAND CA 119 PWB PCB ASSEMBLY MAIN ES774H KLBRMS B...

Страница 25: ... C703 0CK8210K515 820P 50V K B TS C704 0CQ1031N419 0 01U 100V J POLY NI TP C705 0CE475CK638 4 7UF SHL SD 50V M FM5 TP 5 C706 0CE105CK638 1UF SHL SD 50V 20 FM5 TP 5 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 ...

Страница 26: ...1AA DTV1500MFP ST SGS THOMSON TO D709 971 0054 TIN 50MM TAPING DATE 2003 5 7 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D710 0DR400409AC UF4004 GULF TP DO41 400V 1A D711 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D712 0DR100009CD RGP10G 1021 TIWAN SEMI TP DO D713 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D714 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D715 0DS141489AB 1N4148 TP GRANDE DO 34 500MW D7...

Страница 27: ...60000AD SSS7N60B FAIRCHILD ST TO220F Q903 0TR100809AA KSC1008C Y TP SAMSUNG TO92 Q941 0TR319809AA KTC3198 Y KTC1815 TP KEC TO Q942 0TR928009AB KSA928A Y TP SAMSUNG TO92L P Q951 0TR319809AA KTC3198 Y KTC1815 TP KEC TO Q952 0TR928009AB KSA928A Y TP SAMSUNG TO92L P Q953 0TR319809AA KTC3198 Y KTC1815 TP KEC TO DATE 2003 5 7 S AL LOC NO PART NO DESCRIPTION SPECIFICATION J302 0RD0471Q609 4 70 1 4W 3 5 T...

Страница 28: ...001Q609 1K 1 4W 3 5 TA52 R720 0RD1803Q609 180K 1 4W 3 5 TA52 R721 971 0054 TIN 50MM TAPING DATE 2003 5 7 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R722 0RD1001Q609 1K 1 4W 3 5 TA52 R723 0RD1001Q609 1K 1 4W 3 5 TA52 R724 0RD1001Q609 1K 1 4W 3 5 TA52 R726 0RD7502A609 75K OHM 1 2 W 7 0 5 TA52 R727 1 0RX0332K665 33 OHM 2 W 5 SF R728 0RD1001Q609 1K 1 4W 3 5 TA52 R729 0RD1002Q609 10K 1 4W 3 5 TA52 R...

Страница 29: ...53 0RD1001A609 1K OHM 1 2 W 7 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 0RD0472Q609 47 1 4W 3 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 0FZZTTH001B TIME LAG HBC 5A 250V 215 005 RL901 6920TBA001A DY3MA DC12 DONGYANG 250VAC 1 SC301 6620TB...

Страница 30: ...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 31: ...n 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 I2 C Bus H size Control voltage level STV6888 Block Diagram ...

Страница 32: ...STV9211 Pin Configuration Pin Description ...

Страница 33: ...BLOCK DIAGRAM STV9211 ...

Страница 34: ...K DIAGRAM Pin Configuration M24C08 Serial I2C BUS EEPROM SYMBOL E0 E2 SDA SCL WC Vcc Vss DESCRIPTION Chip Enable Input Serial Data Address Input Output Serial Clock Write Control Supply Voltage Ground 1 PSDIP8 BN 0 25mm Frame 8 1 1 SO8 MN 150mil Width TSSOP8 DW 169mil Width 8 8 Logic Dirgram ...

Страница 35: ...IIC SDA IIC SCL 1050V 35 36 SCHEMATIC DIAGRAM ...

Страница 36: ... 38 D CIRCUIT BOARD 4 MAIN BOARD Solder Side 2 CONTROL BOARD Solder Side ...

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