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Samsung MP5671, Руководство по обслуживанию

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Samsung MP5671 Скачать руководство пользователя страница 17

Содержание MP5671

Страница 1: ...II SERVICE MANUAL 15 FULL PAGE MONITOR MODEL NO MP5671 c8SAMSUNG ...

Страница 2: ...MODE SELECTION 5 SPECiFiCATIONS 6 ADJUSTMENT METHOD 9 MAJOR OPERATING COMPONENTS 10 BLOCK DIAGRAM 11 TROUBLE SHOOTING 13 CIRCUIT DIAGRAM DISPLAY SYMBOLS 19 RMS MEASUREMENT RESULTS OF THE IC S 19 WAVEFORMS 20 SCHEMATIC DIAGRAM 21 WIRING AND CONTROL LOCATION DIAGRAM 23 CONNECTOR ANDWIRING 25 PC BOARDS 26 EXPLODED VI EW 30 REPLACEMENT PARTS LIST 32 2 ...

Страница 3: ...eplacement parts which have these special safety characteristics are identified in this manual and its supplements by shading on the schematic diagram and the parts list Before replacing any of these com ponents read the parts list in this manual carefully 3 When replacing a chassis in the cabinet always be certain that all the protective devices are installed properly such as insulating covers ba...

Страница 4: ...rporated in silicon are a synchronization oscillator ramp generator voltage regulator voltage doubler and power amplifier 3 Focus Modulation Each part of a cathode ray tube focuses at a different voltage The focus voltage at the center may be several hundred volts below the top and bottom with the right and left sides being at a different level To get the best looking picture over the entire tube ...

Страница 5: ...r and stand 2 Set the voltage selection jumper J1 to the proper voltage Also verify that the rating of the fuse located in the fuse holder on the PC BOARD of the monitor The standard fuse shipped from the factory is a 250V 1 25 Amp slow blow type The monitor is normally shipped with a U S Standard 125VAC power plug For operation at the 250VAC the following changes are required this may already gav...

Страница 6: ...flection Angle 110 Phosphor P40 C188 4 ELECTRICAL CHARACTERISTICS 1 AC Power Input Power Supply 120V AC 60Hz 220 240V AC 50 60Hz Selected in 220 240VAC Power Consumption by inter jumper 50W max 2 Signal Input Horizontal Sync o Polarity o Signal Level o Frequency Negative TTL 62 75KHz 6 Vertical Sync o Polarity o Signal Level o Frequency Video Signal o Polarity o Signal Level o Band Width 3 High Vo...

Страница 7: ...l be less than 6 See Figure 1 l 4 l H f H XI Horizontal Linearity Vertical Linearity 9 Light Output Min Luminance Max Luminance Condition 10 Screen Attribute Input Level Output VO Vl Level 1 1 0 1 0 1 0 1 2 0 0 3 YI Xmax Xmin Xmean x 0 5 x 100 6 Ymax Ymin Ymean x 0 5 x 100 6 oF L Over 45 F L back raster should be cut off After 30 Minutes Warm up Full White Pattern Screen Attribute Black 0 Dark Gra...

Страница 8: ...ertical Sync Timing L 4V 1 5V _ _ _ l L OV O 4V f e 12 23uS 82 CHAR 1oE 3 608uS 24 CHAR OV active display area FO 59 868MHz 1 CHART 150 3uS SYNC negative u U 4V 1 5V i_ _ _ _ _ OV O 4V I E 120 75uS 8 Scan Line 1 16 70mS 1 1048 Scan Line 59 88Hz _ OV VIDEO II negative 1L 4V 1 5V OV O 4V blanking time 16 03mS 1006 Scan Line 669 3uS 42 Scan Line 8 active display area ...

Страница 9: ...Signal Turn VR301 H HOLD VR to adjust the fre quency across the H DY wire blue and ground chassis bracket to 60 0 5KHz 3 V HOLD Adjustment CD Condition Without Signal Turn VR201 V HOLD VR to adjust the fre quency across the V DY wire yellow and ground chassis bracket to 54 2Hz 9 4 Raster Centering Adjustment CD Condition Without Signal Locate VR402 SUB BRIT VR and EXT BRIT VR to max position Turn ...

Страница 10: ... Brightness Adjustment CD Condition Full White Pattern rurn VR402 SUB BRIT VR to Adjust Max Over 45 P L Min Under 0 F L 12 Focus Adjustment CD Condition Full Character at 35 F L Adjust VR401 FOCUS VR to Set Best Condition MAJOR OPERATING COMPONENTS POWER SWITCH 1_ POWER SWITCH 2_ CONTRAST CONTROL 3 BRIGHTNESS CONTROL POWER CORD AC SIGNAL CABLE 4 SIGNAL CABLE BRIGHTNESS CONTRAST Press the power swi...

Страница 11: ...CATION SI 8l DS01 CS 8 CS09 1 BV RECTIFICATION D614 C62B CS33 cb VIDEO L AltI I I I GN III CRT I I I 5V IC REGULATOR 8V HEATER G F2G I IC103 cb S PARAMETER Gl BIAS G2 BIAS r GENERATR CONTROL CONTROL I IC401 1 i I I I IV DY J L __ J FOCUS F B T H V REG MODULATION 0401 VR401 1401 MODULE 1301 PS3 HORIZ FEED BACK 0304 HORIZ DRIVE HORIZ OUTPUT r T301 0302 0303 T I l H DY L __ J H DRIVE FEED H LIN H SIZ...

Страница 12: ...OUBLE SHOOTING NO Character Image Turn the VR402 SUB BRIT VR EXT BRIT VR EXT CONT VR to max position Check P4 PS4 50VDC line 13 NO NO NO Refer to no Raster Check input signal or logic Check 0101 0102 IC101 ...

Страница 13: ...urn the brightness control max position NO Yes Abnormal Trouble in Peripheral Circuit of 0612 0613 14 Yes Abnormal No Normal Normal Replace Fuse TR F601 0601 Trouble Video Circuit Trouble in 0302 0303 Replace 0601 ...

Страница 14: ...NO H V Regulation TURN THE BRIGHTNESS CONTROL MAX POSITION Normal Normal Trouble in H V Reg Module Abnormal Trouble in IC602 Abnormal Trouble in D310 15 ...

Страница 15: ...NO Horizontal Sync Abnormal Trouble in PC NO Replace IC103 Yes Abnormal Abnormal Trouble in IC102 Abnormal Abnormal Trouble in IC301 16 ...

Страница 16: ...NO Vertical Sync Abnormal Trouble in PC Normal NO Replace IC103 Yes Abnormal Abnormal Trouble in IC102 Abnormal Normal Trouble in IC301 17 ...

Страница 17: ...Single Horizontal Line Abnormal Trouble in IC201 Normal Abnormal Normal Abnormal Abnormal Replace 0613 18 ...

Страница 18: ...splay Ceramic and electrolytic capacitor P MP PS Polyester capacitor Metallized polyester capacitor Polystyrene capacitor RMS MEASUREMENT RESULTS OF THE IC S Measured with high impedance V T V M or circuit tester under line vortage 120V AC Voltage reading may vary 1 0 Video signal is a white pattern IC101 IC102 IC201 IC301 IC601 IC602 PIN NO 74F08 74LS221 TDA1670 MC14046 UC3842 TI L113 1 1 5 2 7 1...

Страница 19: ... power when this set is connected to a personal computer with a video signal input at a white pattern with contrast max 2 Indicates the waveform check points I n the chart waveforms are measured from the point indicated to chassis ground UNIT Vp p KD 0 KD iJlJl v 10 CD KV ty y T IV V J fM1MIrr I K0 rJV 1M1M K MIn 20 ...

Страница 20: ... THE PARTS LIST BEFORE REPLACING ANY OF THESE COMPONENTS READ CAREFULLY THE PRODUCT SAFETY NOTICE DO NOT DEGRADE IN THE SAFETY OF THE EOUIPMENT THROUGH IMPROPER SERVICING NOTE 1 RESISTANCE IS SHOWN IN OHM K l eee M 1 eee e00 RATED POWER OF RESISTER NOT NOTED IN SCHEMATIC DIAGRAS S 1 4W 2 CAPACITANCE IS SHOWN IN UF P UUF RATED VOL TAGE OF CONDENSER NOT NOTED IN SCHEMATIC DIAGR AM S 5eV 3 ABBREVIATI...

Страница 21: ...E I Ips BRIT Ie 101 I VIDEO PCB LE 0 I r LED PCB Q601 HIS I JI II II PS4nrll H V J2ro JIIOV PSI J VR301 H HOLD o IC301 MAIN PCB C O K VR302 HIV ADJ I VR401 FOCUS l T401 FBT PS2 0 VR402 r u SLe PS6 r BRIT GRN DY 1 1 1 POWER BS SWITCH O _ _ _ _ _ _ _ _ _ _q m JI _ r 0 I tl lll llWJ LU J i hID BRIT VR CONT VR 23 24 ...

Страница 22: ...4 0 Current Limit 3 0 GND 2 0 Sense 0 12V 4 PS 4 B and Sync output Connector 6 5 4 3 2 1 0 0 0 0 0 I 5 PS5 DY Connector 4 0 3 0 2 0 0 I V DY H DY 50VDC 8VDC GND 8VDC V Sync H Sync 2 SOCKET BOARD 1 P7 EXT Brightness Control 3 0 GRY 2 0 WHT 0 ORG 2 P9 EXT Contrast Control 3 0 GRN 2 0 WHT 0 RED 3 P4 B and Sync Output Connector 6 5 4 3 2 0 0 0 0 0 1 4 P8 2345678 0 0 0 0 0 0 0 0 1 25 H Sync V Sync 8VDC...

Страница 23: ...I 11 1 PSI HAZ NUEO PROTE ARO REPLACE ONLY WIT eTION AGAINST FIRE H SAME TYPE I 25A 250V C OP Zi C2Oll fi 1C c40 I R fA 1f 6 C4l I R 2 l C lI02 lI l y 0201 8 8 J T C409 i 0 103 R414 NV G2 L l J11L Jil PS2 GI G4 VR402 SUB BRIT C313 I C312 I R3t5 E _ _ _ 1 0303 0301 0302 i C403 T401 FBT L401 is Z tI ttl t o tI m S ...

Страница 24: ... IJJ o I d s m ...

Страница 25: ...VIDEO PCB TOP VIEW 0106 CI19 II VIDEO PCB BOTTOM VIEW 28 ...

Страница 26: ...HN MODULE PCB TOP VIEW HN DODULE PCB BOTTOM VIEW LED PCB TOP VIEW LED PCB BOTTOM VIEW 29 ...

Страница 27: ...PCB SCREW RH HEATSINK TR SCREW TAP TH STAND BOTTOM STAND TOP STAND STOPPER SCREW TAP RH CRT PCB CONN D UB RECEPTERCLE VR ROUND SGL SCREW TAP TH PANEL VR SCREW TAP RH SOCKET I NLET SCREW FH PANEL BACK WASHER PLAIN NUT HEX KNOB VR SCREW TAP TH S W ROCKER SCREW TAP TH CHASSIS REAR SHIELD CHASSIS BOLT HEXT SCREW TAP FH COVER BUSHING COVER BUSHING COVER REAR SCREW TAP TH LABEL RATING PLATE MICA WASHER ...

Страница 28: ...N5550 0201 02139 204 060 MPS UOl NPN FREO AMP 30V lA lW 0301 02139 104 220 MPS2222A NPN HIGH SPEED 30V 0 3A 0302 02139 307 060 VN0606M 0303 02139 305 210 2SC 3636 NPN POWER SWITCH 900V 7A 0304 02139 104 290 PN2907 Q401 02139 305 200 2SC3675 NPN H V POWER 1 5KV O lA 0501 02139 104 220 MPS2222A NPN HIGH SPEED 30V 0 3A 0502 02149 102 250 KSA1220A R 0601 02139 104 230 MTP2N85 850V 2A FET 0602 02149 30...

Страница 29: ...169 301 410 1N4148 75V 0 1 A 4nS SWITCHING 0603 02169 301 410 1N4148 75V O lA 4nS SWITCHING 0604 02169 210 177 BA1591 KV lA 500nS POWER FAST 0605 02169 210 177 BA159 1KV 1A 500nS POWER FAST 0606 02169 301 410 1N4148 75V 0 1 A 4nS SWITCHING 0607 02169 301 410 1N4148 75V 0 1 A 4nS SWITCHING 0608 02169 01 490 1N4937GP 600V 1A 200nS POWER FAST 0609 02169 404 327 ZP039 39V 5 1i2W ZENER 0611 02169 01 49...

Страница 30: ...16V 2200M C301 01502 513 152 POLYPROPYLENE MX 50V 0 0015M J C302 01505 723 223 POLYESTER 100V 0 022M J C303 0160S 906 109 ELECTROLYTIC 50V 1M C305 0160S 904 470 ELECTROLYTIC 25V 47M C307 0160S 903 110 ELECTROLYTIC 16V 10M C30S 01417 344 104 CERAMIC 50V 0 1 M Z C309 01417 344 103 CERAMIC 50V 0 01 M Z C311 01417 344 223 CERAMIC 50V 0 022M Z C312 01502 573 392 POLYPROPYLENE 1 6KV 0 0039M J C313 01502...

Страница 31: ...OLYESTER 100V 0 1M J C628 01505 723 104 POLYESTER 100V 0 1M J C629 01505 723 104 POLYESTER 100V 0 1M J C630 01607 908 102 ELECTROLYTIC 105 C 100V 1000M C631 01607 908 680 ELECTROLYTIC 105 C 100V 68M C632 01607 905 331 ELECTROLYTIC 105 C 35V 330M C633 01608 903 101 ELECTROLYTIC 16V 100M C634 01608 903 1 01 ELECTROLYTIC 16V 100M RESISTORS R101 01018 227 221 CARBON 1 4W 220 J R102 01018 227 331 CARBO...

Страница 32: ... J R210 01048 277 229 METAL FILM 1 4W 2 2 J R211 01018 377 331 CAR BON 1 2W 330 J R212 01018 277 242 CARBON 1 4W 2 4K J R213 01018 277 122 CARBON 1 4W 1 2K J R214 01018 277 244 CARBON 1 4W 240K J R215 01048 377 082 METAL FILM 1 2W 0 82 F R216 01045 527 151 METAL OXIDE 2W 150 J R217 01018 277 221 CARBON 1 4W 220 J R301 01018 277 682 CARBON 1 4W 6 8K J R302 01018 277 222 CARBON 1 4W 2 2K J R303 0101...

Страница 33: ...12 CARBON 1 4W 5 1 K J R510 01018 271 103 CARBON 1 4W 10K J R511 01018 371 471 CARBON 112W 470 J R512 01018 271 102 CARBON 1 4W 1K J R513 01018 271 512 CARBON 1 4W 5 1 K J R601 01 018 371 224 CARBON 1 2W 220K J R608 01045 427 473 METAL OXIDE lW 47K J R609 01045 427 473 METAL OXIDE 1W 47K J R610 01018 271 333 CARBON 1 4W 33K J R611 01018 271 162 CARBON 1 4W 1 6K J R612 01018 271 103 CARBON 1 4W 10K...

Страница 34: ... LED LD701 MG 03051 400 510 SIGNAL CABLE 03054 640 820 CONNECTOR 2P ASSY 03054 647 01 0 CONNECTOR 3P ASSY 03054 646 510 CONNECTOR 4P ASSY J1 03054 640 030 CONNECTOR 1 P ASSY 03054 643 110 CONNECTOR DY ASSY 03054 648 510 CONNECTOR 6P ASSY 03054 647 11 0 CONNECTOR 6P ASSY 03054 646 710 CONNECTOR 6P ASSY 03054 647 41 0 CONNECTOR GND ASSY 03054 222 040 CONNECTOR LUG TERMINAL ASSY GT1 03124 101 310 PI ...

Страница 35: ...5 940 CONNECTOR WAFER B4p LV TN PS6 03344 153 010 CONNECTOR WAFER B2p XH A 03344 156 590 CONNECTOR HOUSING 5145 09AH 03354 703410 SOCKET INLET SOT 16 CRT DY 02019 134 01 0 CRT MONOCHROME CE899 M15 P40 GHZMF 02439 056 110 DEFL YOKE UP15 2442248 HITACHI 39 ...

Страница 36: ......

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