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Daewoo DV-K580NZ-T, Руководство по обслуживанию

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50

1. CONNECTION DIAGRAM

CIRCUIT DIAGRAM

Содержание DV-K580NZ-T

Страница 1: ...Service Manual S M No VK580NTEF0 Jan 2000 DAEWOO ELECTRONICS CO LTD http svc dwe co kr TIME LAPSE VCR Model DV K580NZ T...

Страница 2: ...IT 38 u COM PORT DESCRIPTION 41 VOLTAGE CHART 44 CIRCUIT DIAGRAM 50 CONNECTION DIAGRAM 50 POWER CIRCUIT DIAGRAM 51 SYSCON CIRCUIT DIAGRAM 52 VIDEO CIRCUIT DIAGRAM 53 HEADAMP CIRCUIT DIAGRAM 54 OSD CIR...

Страница 3: ...ielectric strengthen between power cord plug prongs and exposed accessible parts of the set RF terminals antenna terminals video and audio input output terminals microphone jack ear phone jacks etc is...

Страница 4: ...rts Use on AC voltmeter to measure across both terminals of load Z See figure2 and following table Leakage current ratings for selected are as AC Line Voltage Region Load Z Leakage Current i Clearance...

Страница 5: ...8 REW button 9 FF button 10 PAUSE STILL button 11 REMOTE SENSOR 12 REMOCON LOCK SWITCH 13 SET LOCK SWITCH 14 RESET button 15 MENU button 16 SHIFT t TRACKING button 17 SHIFT U TRACKING button 18 REC PL...

Страница 6: ...al 3 SERIES IN terminal 4 COM terminal 5 SERIES OUT terminal 6 SW OUT terminal 7 VIDEO OUT jack 8 VIDEO IN jack 9 AUDIO IN jack 10 TAPE END terminal 11 PANIC IN terminal 12 COM terminal 13 ALARM OUT t...

Страница 7: ...CH1 to SW pulse PT501 r PIN the CH2 to TJ396 video out with CH1 triggering 3 Adjust R595 for the positive trigger until 6 5 0 5H cycle before the vertical SYNC pulse Adjustment Part Checking Point Mea...

Страница 8: ...the oscilloscope to TJ396 and trigger the scope with a composite sync signal at TJ302 3 Adjust R395 to obtain 2 0Vp p 0 2Vp p between the SYNC Tip and 100 white level Adjustment Parts Checking Point...

Страница 9: ...cope to TJ396 and trigger the scope with a composite sync signal at TJ302 3 Adjust R396 to obtain 2 0 0 2Vp p between the SYNC TIP and 100 white peak level Adjustment Parts Checking Point Measuring Eq...

Страница 10: ...al VIDEO IN JACK is shorted with Ground 2 Connect the frequency counter TJ391 3 After Inserting Rec Tape REC in SP Mode 4 Adjust R391 to obtain 4 20 0 1 MHz Adjustment Parts Check Point Measuring Equi...

Страница 11: ...4 Adjust as follows if the playback video output level is not 2 0 0 2Vp p 4 1 Adjust R392 a little 4 2 Record the Color Bar Signal for a few minute and playback it 4 3 Confirm the playback video outp...

Страница 12: ...to TJ491 and trigger the scope with a composite sync signal at TJ302 3 Adjust R491 until Y FM record current is minimized 4 Adjust R492 until color record current is 130 10mVp p Adjustment Parts Check...

Страница 13: ...3 Connect the oscilloscope to TJ491 and trigger the scope with a compos ite sync signal at TJ302 4 Adjust R491 until Y FM record current is 500 10mVp p Standard SYNC Tip Adjustment Parts Checking Poin...

Страница 14: ...ply the signal in the OPEN mode 2 Connect the Audio Level Meter to R01 at the Deck AC Head 3 After inserting a blank tape record in SP mode 4 Adjust R292 to obtain 3 m Vrms Adjustment Parts Checking P...

Страница 15: ...to Noise Ratio A Weighted SP 42dB minimum VHS EP 40dB minimum VHS Audio Frequency Range SP 0 3 6dB 100Hz 10KHz VHS EP 0 3 6dB 100Hz 5KHz VHS Distortion SP 4 maximum VHS EP 5 maximum VHS WOW Flutter SP...

Страница 16: ...ODE TAPE SPEED REMARK REC MODE T 120 EP 24H MODE IS POSSIBLE IN PLAY MODE SP 2H 24H 36H EP 6H 18H T 160 SP 2 7H 32H 49 5H EP 8H 24H PLAY MODE T 120 SP 2H 24H 36H EP 6H 18H 24H T 160 SP 2 7H 32H 49 5H...

Страница 17: ...utput signal has burst it is input to X303 then it separates color signal If it has not burst it will pass Y Emphasis circuit Each signal is input to pin 4 then passes 3 5M LPF Luminance signal is out...

Страница 18: ...output signal has burst color component will be separated by X303 If it has burst it is input to pin 4 of IC301 through Y emphasis circuit The signal which is input to pin 4 is output from pin 12 thr...

Страница 19: ...compensation in order to match AUDIO HEAD characteristic Each mode s peaking fre quency will be determined by BIAS element R L C of REC AMP OSC oscillation frequency is 70KHz sinewave it will be used...

Страница 20: ...PART 3 1 BLOCK DIAGRAM DRUM PG FG AMP CAPSTAN SPEED CTL IC501 M37775M5H u COM PROCESSOR Start end SENSOR REEL SENSOR LOADING CAM DRIVE CTL AMP VIDEO BLOCK AUDIO BLOCK TERMINAL BLOCK BACK UP BATT Vcc O...

Страница 21: ...capstan motor C I LIMIT with capstan motor FG numbers DRUM HEAD ON OFF controlled by HEAD AMP SW REC mute signal L R L R L R L R L R L R L 16 65ms 18H EP RECORDING 20FIELD SEC 2H 6H 60FIELD SEC L R L...

Страница 22: ...is now perform ing Alarm Recording u Trigger Time will be the set time on MENU it will be approximately 2 minutes at least PANIC INPUT This is the first priority REC then operation is similar as Alarm...

Страница 23: ...This port is used triggering video signal with external equipment during recording SERIES OUTPUT When the series recording proceeds after setting the series recording to on this port is used to output...

Страница 24: ...ries recording to on this port is used to receive the control signal to the set which will be recorded continuously after pre recording set WARNING OUTPUT This port is used to inform emergency status...

Страница 25: ...scope isolated properly Use the isolated transformer and connect GND to the primary GND however it is not necessary to isolate the oscilloscope when check the secondary circuit A CHECKING THE PRIMARY...

Страница 26: ...25 TROUBLESHOOTING FLOW CHART B CHECKING THE SECONDARY CIRCUIT Check each output voltage Check M801 Check any diode which causes no power Check any COIL or capacitor which causes no power END...

Страница 27: ...ck YES NO NO NO YES YES Adjust tracking Noise appears although change cassette tape YES Is CTL pulse output at pin 25 of IC501 Playback picture is not good YES NO Check IC501 The voltage of pin 89 of...

Страница 28: ...reen on the whole Noise appears on the screen at the bottom Change Drum Ass y Is Enve waveform supplied to pin 4 of P T501 Check connector and Head dust NO NO YES Check pattern Check video circuit Che...

Страница 29: ...LESHOOTING FLOW CHART C Auto stop during playback NO Is reel pulse applied to pin 5 and 6 of IC501 Check reel sensor NO YES Is D FG applied to pin 24 of IC501 YES Check IC501 Check connector and D FG...

Страница 30: ...G FLOW CHART Drum M T loading stops NO NO Is motor 12V supplied from Ic504 pin7 8 Check circuit adjacent EVER 12 4V Check power module NO YES YES Is 5 2V supplied from POWER CIRCUIT Check D814 Check c...

Страница 31: ...or Capstan M T loading stops NO YES Is motor 12V supplied Check power Module NO Is the input of pin 6 of P501 2 5V 3 5V Check circuit of R516 R517 R520 C509 C511 YES NO Is pin 4 of P501 2 5V Check R52...

Страница 32: ...ync applied to pin 93 of IC501 Check C sync of video IC and pattern Check motor YES Emergency mode when plugging power cord NO YES Is ever 5V applied Check power Module NO Does X501 crystal oscillate...

Страница 33: ...RT H Cassette is not inserted NO YES YES YES NO Is motor 12V supplied Check power Module NO NO CAM DATA is changed when CST IN Check connector Check IC501 Check Deck part Is 5V supplied at pin 31 of I...

Страница 34: ...n does not operate NO YES YES YES When mains is unplugged is 3 6V at pin 26 pin 81 of IC501 Check C548 C523 C547 C524 NO Is sine signal applied to pin 42 and 43 of IC501 Check X502 NO Is 5V at pin 37...

Страница 35: ...l input into pin 1 of IC 002 NO Is signal input into pin 37 of IC 301 YES Check IC 001 NO Is signal output from pin 34 of IC 301 YES Check pin 35 Vcc of IC 301 NO Check Power Circuit NO NO Check pin 5...

Страница 36: ...n 37 of IC 301 NO NO Is REC C signal input into pin 12 of IC 401 Is 5V supplied at pin 28 of IC 301 Check Power Circuit NO Is REC Y signal input into pin 12 of IC 401 Check Q402 Q403 Q404 Q405 YES YES...

Страница 37: ...ad or change head YES Check Q409 410 411 NO Check power NO YES Check pin 5 EE L PB H of IC 301 Check pin 44 of IC 601 NO YES Change IC 301 Is signal input into pin 4 of IC 301 Is signal output from pi...

Страница 38: ...ES Check X 302 Check oscillation of pin 18 19 of IC 301 Is composite video signal output from pin 3 of IC 301 Check X 301 Check pin 35 Vcc of IC 301 NO NO YES YES YES Is V composite signal input into...

Страница 39: ...e playback mode NO YES Is signal input pin 2 of IC 201 Check PJ 201 Check C207 R208 NO Is 9V applied to pin 7 of IC 201 Check Q801 POWER YES NO Is signal output pin 22 of IC 201 Check IC 201 adjacent...

Страница 40: ...mode after recording NO YES Is signal input pin 16 of IC 201 Check RL 901 P 902 NO Is 9V applied to pin 7 of IC 201 Check Q801 POWER YES NO Is the voltage above 4V at REC H Check SERVO SYSCON YES NO D...

Страница 41: ...ound in the EE modes NO YES Is 9V applied to pin 7 of IC 201 Check Q 801 POWER NO Is signal input pin 16 of IC 201 Check RL 901 P902 AudioJACK YES NO Is signal output pin 22 of IC 201 Check EE L IC 20...

Страница 42: ...dt level select for slow playback 15 I O OUT C ROTARY Color rotary 16 I O OUT H A SW Head Amp switching 17 I O IN ENVE COMP Enve compare 18 I O OUT PB SW Video switching 19 I O OUT Q V SYNC Q V Sync 2...

Страница 43: ...I O OUT S7 LED Array segment data output 59 I O OUT S6 LED Array segment data output 60 I O OUT S5 LED Array segment data output 61 I O OUT S4 LED Array segment data output 62 I O OUT S3 LED Array seg...

Страница 44: ...EV H Cue Review control 89 I O IN PATH ADJUST Tracking adjust A D IN 90 I O IN PG DELAY PG adjust A D IN 91 I O IN KILLER V Burst or not voltage 92 I O IN DC ENVE Video ENVE A D IN 93 CSYNCIN IN C SYN...

Страница 45: ...3 2 3 3 0 3 2 7 3 0 3 0 4 0 0 0 0 8 5 8 5 8 REC PB 1 0 0 0 0 2 5 3 5 3 3 5 3 5 3 REC PB REC PB 1 0 0 0 0 6 0 0 0 0 2 0 5 0 5 7 13 6 13 4 3 0 9 0 9 8 13 6 13 4 4 6 2 6 2 9 0 9 0 9 5 0 0 0 0 10 0 5 0 5...

Страница 46: ...11 0 0 5 2 23 0 0 0 0 12 4 2 4 2 24 4 9 0 5 REC PB REC PB 1 9 1 8 8 5 4 6 4 6 2 2 0 2 0 6 4 6 4 6 3 2 1 2 2 7 4 6 4 6 4 0 0 0 0 8 9 3 9 3 REC PB REC PB 1 8 8 8 8 6 0 0 0 0 2 0 0 0 0 7 0 0 0 0 3 0 0 0...

Страница 47: ...3 30 4 2 4 2 10 2 1 2 1 31 2 6 2 6 11 0 0 0 0 32 0 5 0 5 12 2 0 2 0 33 0 0 0 0 13 2 5 2 5 34 2 2 2 2 14 1 7 0 9 35 4 9 4 9 15 2 9 2 9 36 1 8 1 8 16 2 5 2 2 37 3 2 3 2 17 2 2 2 2 38 1 6 1 4 18 3 7 3 7...

Страница 48: ...1 8 1 6 29 0 0 0 0 15 1 6 1 6 30 0 0 0 0 REC PB REC PB 1 0 0 0 0 6 2 7 2 7 2 0 0 0 0 7 0 0 0 0 3 2 7 2 7 8 1 3 1 2 4 0 0 0 0 9 5 0 5 0 5 0 0 0 0 REC PB REC PB 1 0 0 0 0 16 1 7 1 7 2 2 4 2 4 17 4 9 4...

Страница 49: ...7 2 0 0 0 Q304 0 0 0 0 2 4 0 0 1 2 0 0 Q305 0 0 1 2 0 0 1 7 1 1 0 0 Q306 1 8 2 4 4 9 1 7 2 3 4 9 Q307 1 2 4 9 1 2 0 5 0 5 1 0 Q311 0 7 0 0 0 0 1 3 0 7 0 0 Q313 0 0 0 0 0 0 0 7 1 3 4 8 Q315 2 2 2 8 4...

Страница 50: ...4 0 0 0 0 0 0 1 7 2 3 4 0 Q415 0 0 0 0 0 0 3 6 4 0 4 8 Q416 0 0 0 0 0 0 0 0 0 0 0 0 Q420 0 0 0 7 0 0 0 7 0 0 0 0 Q501 5 0 0 0 4 9 5 1 0 0 5 0 Q502 5 0 5 1 0 0 5 0 4 2 4 9 Q503 5 0 4 3 4 9 5 0 5 0 0 4...

Страница 51: ...50 1 CONNECTION DIAGRAM CIRCUIT DIAGRAM...

Страница 52: ...51 CIRCUIT DIAGRAM 2 POWER CIRCUIT DIAGRAM...

Страница 53: ...52 CIRCUIT DIAGRAM 3 SYSCON CIRCUIT DIAGRAM...

Страница 54: ...53 CIRCUIT DIAGRAM 4 VIDEO CIRCUIT DIAGRAM...

Страница 55: ...54 CIRCUIT DIAGRAM 5 HEADAMP CIRCUIT DIAGRAM...

Страница 56: ...55 CIRCUIT DIAGRAM 6 OSD CIRCUIT DIAGRAM...

Страница 57: ...56 CIRCUIT DIAGRAM 7 Y C SEPARATION CIRCUIT DIAGRAM...

Страница 58: ...57 CIRCUIT DIAGRAM 8 AUDIO CIRCUIT DIAGRAM...

Страница 59: ...58 CIRCUIT DIAGRAM 9 LOGIC CIRCUIT DIAGRAM...

Страница 60: ...59 CIRCUIT DIAGRAM 10 TERMINAL CIRCUIT DIAGRAM...

Страница 61: ...60 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 1 PCB MAIN...

Страница 62: ...61 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 2 PCB UNION...

Страница 63: ...62 DISASSEMBLY 1 PANEL FRONT ASS Y...

Страница 64: ...63 DISASSEMBLY 2 SET TOTAL ASS Y...

Страница 65: ...64 DISASSEMBLY 3 PACKING ASS Y...

Страница 66: ...L AS K MECHA A5000 97S0902000 PLATE TOP SECC T1 0 A5100 97S2400900 BRKT F L R SECC T1 0 A5200 97SA311400 CST HOLDER AS K MECHA B5200 97SA410100 HOLDER AS K MECHA C5200 97S0902100 PLATE CST HOLDER SECC...

Страница 67: ...AS NBR60 A2011 D0623 97S2811700 SLEEVE PINCH ROLLER A2011 LOC PART CODE PART NAME PART DESC C0624 97S5300800 BEARING BALL NMB L 730ZZ SD 204H C0626 97S4005800 BUSH PINCH ROLLER GR 20 B1720 97S0448400...

Страница 68: ...LATE SHIELD PREAMP ET T0 4 2 C501 97P7801300 BATTERY 3 V 15H 3 6V NI MH C801 CL1UE3104M C LINE ACROSS AC275V 0 1MF M 1 40 WORLD C804 CH1CEE332M C CERA AC 2 5KV 3300PF M DE AC250V LOC PART CODE PART NA...

Страница 69: ...RA 50V SL 39PF J 2012 LOC PART CODE PART NAME PART DESC C334 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C338 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 C340 HCLK390JCA C CHIP CERA 50V SL 39PF J 201...

Страница 70: ...CFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C535 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C536 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 C537 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 LOC PA...

Страница 71: ...10 12K OHM J 2012 R326 HRFT822JCA R CHIP 1 10 8 2K OHM J 2012 LOC PART CODE PART NAME PART DESC R329 HRFT124JCA R CHIP 1 10 120K OHM J 2012 R330 HRFT105JCA R CHIP 1 10 1M OHM J 2012 R331 HRFT822JCA R...

Страница 72: ...HM J 2012 R524 HRFT473JCA R CHIP 1 10 47K OHM J 2012 LOC PART CODE PART NAME PART DESC R525 HRFT182JCA R CHIP 1 10 1 8K OHM J 2012 R526 HRFT182JCA R CHIP 1 10 1 8K OHM J 2012 R527 HRFT474JCA R CHIP 1...

Страница 73: ...3X7 TP C201 CEXF1H479A C ELECTRO 50V RSM 4 7MF 4X7 LOC PART CODE PART NAME PART DESC C202 CMXM2A392J C MYLAR 100V 3900PF J TP C203 CEXF1C220A C ELECTRO 16V RSM 22MF 5X7 C204 CEXF1C470A C ELECTRO 16V R...

Страница 74: ...T COIL PEAKING 68UH BLU BLK L204 5CPX103J COIL PEAKING 10MH 5MM J RADIAL L304 5CPX101J2T COIL PEAKING 100UH BRN BRN L308 5CPX101J2T COIL PEAKING 100UH BRN BRN L309 5CPX101J2T COIL PEAKING 100UH BRN BR...

Страница 75: ...ART NAME PART DESC C431 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M C445 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M C446 CZSL1H560J C CERA 50V SL 56PF J C547 CCZF1H104Z C CERA 50V HIKF 0 1MF Z C554 CCZF1H104...

Страница 76: ...2K OHM J R406 RD AZ333J R CARBON FILM 1 6 33K OHM J LOC PART CODE PART NAME PART DESC R407 RD AZ333J R CARBON FILM 1 6 33K OHM J R410 RD AZ561J R CARBON FILM 1 6 560 OHM J R415 RD AZ102J R CARBON FILM...

Страница 77: ...E CJ2231T 2C 2P 030A 97PA498800 PCB LOGIC A AUTO AS DV K580NZ T C701 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M LOC PART CODE PART NAME PART DESC C702 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M C703 CBZP1C1...

Страница 78: ...ART CODE PART NAME PART DESC JP904 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP905 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP906 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING L701 5PB1...

Страница 79: ...3JCA R CHIP 1 10 10K OHM J 2012 LOC PART CODE PART NAME PART DESC R57 HRFT681JCA R CHIP 1 10 680 OHM J 2012 R64 HRFT470JCA R CHIP 1 10 47 OHM J 2012 1 97PA488700 PCB POWER R AUTO AS DV K5F4N SJ C53 CE...

Страница 80: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail G7F00E web dwe co kr TEL 82 2 360 7802 FAX 82 2 360 7877...

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