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Service Manual

DAEWOO ELECTRONICS CO., L

OVERSEAS SER

VICE DEPT

DEAWOO ELECTRONICS CO., LTD

686, AHYEON-DONG MAPOGU,
SEOUL, KOREA.
C.P.O. BOX 8003 SEOUL KOREA
TELEX: DWELEC K28177-8
CABLE:"DAEWOOELEC"
FAX: +82.2.364-5588
TEL: +82.2.360-7114, 8114
http://www.dwe.daewoo.co.kr

VERSION 1.0 PRINTED DATE: APR.1997

Содержание DV-K11WY-PB

Страница 1: ...Service Manual Model DV K11WZ PB A DV K11WY PB DV K11WZ QB A DAEWOO ELECTRONICS CO LTD OVERSEAS SERVICE DEPT ...

Страница 2: ...Rotary two head helical scan with a slant double azimuth combination video head Input 1 0Vp p 75 ohms unbalanced Output 1 0Vp p 75 ohms unbalanced Simal to noise rallio More than 43 dB Rohde Schwarz noise mater Horizontal resolution More than 240 lines AUDIO Input 8 dBs CENELEC standard more than 47 k ohms unbalanced Output 6 dBs CENELEC standard less than 1 k ohm unbalanced 10 k ohms load Frequen...

Страница 3: ... your particular country and locality 4 Leakage current test Confirm specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed ac...

Страница 4: ...ET ASSEMBLY 38 8 3 PAN ASSEMBLY 39 9 ELECTRICAL PARTS LIST 40 Z PB A DV K11WY PB DV K11WZ QB A DV K11WZ PB A DV K11WY PB DV K11WZ QB A DV K11WZ PB A DV K11WY PB D V K11WZ PB A DV K11WY PB DV K11WZ QB A DV K11WZ PB A DV K11WY PB DV K11WZ QB A DV K11WZ PB A DV K11W Z PB A DV K11WY PB DV K11WZ QB A DV K11WZ PB A DV K11WY PB DV K11WZ QB A DV K11WZ PB A DV K11WY PB D V K11WZ PB A DV K11WY PB DV K11WZ Q...

Страница 5: ... CST IN NTSC A REPEAT REC DV K11W POWER STOP EJECT NTSC PLAY BACK RECORDING HIGH SPEED REWIND PLAY AUTO REPEAT REC DIGITAL ECHO VOL 1 VOL 2 MIC 1 MIC 2 PAUSE STILL REW PLAY FF CST IN NTSC A REPEAT REC DV K11W POWER STOP EJECT NTSC PLAY BACK RECORDING HIGH SPEED REWIND RF OUT CH R CH L TEST ON OFF ANT IN VIDEO AUDIO L R IN OUT RF OUT CH R CH L TEST ON OFF ANT IN VIDEO AUDIO IN OUT ...

Страница 6: ...UT R305 and trigger the scope with signal from CH1 3 Adjust R595 to the positive rising edge of SW PULSE at 6 5H 0 5H from the V SYNC 2 ELECTRICAL ADJUSTMENT 3 Adjustment Parts Checking Point Measuring Equipment Mode Test Tape R305 DP 2 R595 PT01 PIN Ø Oscilloscope PLAY STAIR STEP CH1 CH2 1H 0 5H 6 5H 0 5H VERTICAL SYNC SW 30Hz PT01 PIN R305 TRIGGER 3 MODULATOR CH 1 OSCILLOSCOPE CH 2 R305 PHONE JA...

Страница 7: ...nnect the Audio level meter to R01 4 After inserting a blank tape record in SP mode 5 Adjust R292 to obtain 3 0 mVrms 4 Adjustment Parts Checking Point Measuring Equipment Test Tape Input Signal R292 A C Head PCB Audio level meter Rec None signal R01 A CHEAD R01 Audio LEVEL METER MODULATOR PHONE JACK POWER MODULE R292 3 0mVrms DECK ASSY A C HEAD ...

Страница 8: ...oscilloscopes insulate the oscilloscope surely Use the isulating transformer and must connect GND into the primary GND But there is no connection when check the secondary circuit When change SM801 POWER MODULE check FUSE and Cement resistance surely 5 YES NO NO YES YES YES YES Prepare the instrument connecting the insulating trans Check F801 FUSE Is voltage applied to D801 Is voltage applied to th...

Страница 9: ...of T11 is ok Primary parts is ok Secondary parts ok Change T11 Change parts out of order YES NO YES Resistance 100Ω YES YES NO Check F801 L801 D802 NO Check the secondary circuit YES YES Check the pattern and T11 L11 IC11 NO NO Terminal open and measure the output Voltage Change parts out of order The voltage is ok Check the parts outside module Check the Diode Condenser inside Module NO NO No Vol...

Страница 10: ...C503 C504 C506 check R539 C518 Check IC601 YES YES YES YES YES YES YES NO NO NO NO NO NO Noise appears although adjusting tracking Is CTL pulse out from pin of IC601 Noise shakes up and down on the screen Adjust tracking CTL HEAD height is normal and there is not dust Adjust the HEAD height and remove dust Noise appears although change cassette tape Playback picture is not good A ...

Страница 11: ...uit Check flow A Is SW pulse supplied from pin of IC601 23 Check D PG input and connector Check pattern Check connector Head Amp and Head dust Change head YES NO NO YES YES YES YES NO NO B Auto stop during playback Is Reel pulse applied to pin and of IC601 7 14 Check reel sensor Is D FG applied to pin of IC601 Check connector D FG circuits Check IC601 YES YES NO YES NO 17 C ...

Страница 12: ...09 R523 Check IC601 YES YES YES NO NO NO Drum M T loading stops D Is the input of pin of PJ502 2V 3 5V Is pin of PJ502 2 5V Is pin C PWM of IC601 Supplied Check connector and Motor 4 Check power circuit Check circuit of R515 R516 R517 Check R541 R542 Check IC601 YES YES YES YES YES NO NO NO NO Is Motor 12V supplied Capstan M T loading stops 31 6 E ...

Страница 13: ...M T and Capstan M T rotate at regular speed In REC mode 8 F Is EVER 5V supplied Does X601 crystal osciliate Is CAM SW DATA Correct Check IC502 Check IC 601 Check power circuit Check IC601 and X601 Recheck connector and CAM SW contact YES YES YES YES NO NO NO Emergency mode when plugging Power cord G ...

Страница 14: ... supplied Check power circuit CAM DATA is changed when CST IN Is 5V applied to pin of IC502 when CST IN Chek IC502 Check connector Check DECK part Is 5V supplied at pin of IC601 Check PATTERN Check IC601 NO YES YES YES NO NO NO NO YES 4 37 H ...

Страница 15: ...C201 Is 9V applied to pin of IC201 Check power circuit Is 5V applied to 1of IC201 Is there Audio output at pin of IC201 Check PJ504 and HEAD Check circuit adjacent to R211 R212 NO NO YES YES YES YES NO NO Is pin of IC201 0V NO Check IC 601 Is pin of IC201 GND Check IC201 YES NO 10 ...

Страница 16: ...C201 Is the voltage above 10V at pin of T201 Check T201 Is record current 3 0mVrms Is pin of IC201 0V Clean HEAD Asjust Record current Check IC201 NO YES YES YES YES YES NO NO NO NO No sound in the playback mode after recording Check circuit adjacent R209 R210 C207 Check Q201 collector above 10V Base 0V Check Q202 and T201 NO NO Check Q201 NO 1 ...

Страница 17: ...901 Is signal input into pin of IC901 in LINE mode Check PHONE jack YES YES YES NO NO Is 5V applied to pin 3 g of IC901 NO Check POWER circuit Is 5V and clock data applied to pin 4 5 of IC901 Check IC601 YES NO Check PHONE Jack YES Is there output at pin of IC901 Change IC901 NO ...

Страница 18: ...applied to pin 4 5 of IC901 Is signal input into pin S k of IC901 Check pin of IC601 Check IC601 Is there output at s K of IC901 Is there output at pin of IC901 Check PHONE jack Change IC901 NO YES YES YES YES NO NO NO No Hi Fi Sound in playback mode Check the ICH01 of PRE AMP circuit Check CK13 CM13 NO NO YES ...

Страница 19: ...IC301 Is 5V supplied to pin and of IC301 26 54 Check power circuit Is Serial clock and data signal input into pin of IC301 Check IC601 pin 1 Check RF out Check Line out YES YES YES NO NO NO 14 15 NO YES Is QV SYNC H supplied to anode of D301 at 5 volts YES Check IC601 Check PHONE jack 27 2 ...

Страница 20: ...4 Is REC H supplied to anode of DA01 at 4 2 volt NO YES Check IC601 Pin Is the down converted color signal obtained from pin of IC301 NO YES Change IC301 2 Is the down converted color signal from pin of IC301 fed to RA04 YES Check ICA01 and pattern 2 To HEAD AMP IC NO NO YES Check IC302 44 Is the down converted color signal from pin of IC301 fed to pin of IC301 55 56 ...

Страница 21: ...in of IC301 NO YES Check IC301 Is the luminance signal from pin of IC301 fed to pin of IC301 YES Check C302 31 26 31 38 35 36 Is the luminace signal from pin of IC301 fed to pin of IC301 NO Is QV SYNC H supplied to anode of D301 at 0 volt Check QV SYNC Change IC301 NO 47 52 YES YES Check record EQ circuit To HEADAMP IC NO NO Is the video signal obtained from pin of IC301 44 54 Is the modulating lu...

Страница 22: ...NO YES Check IC601 Pin Is Y FM signal from pin of ICA01 fed to pin of IC301 NO YES Check PB EQ CIRCUIT QA01 QA02 QA03 Is the luminance signal from pin of IC301 fed to pin of IC301 Check IC301 11 51 47 38 YES Is the luminance signal from pin of IC301 fed to pin of IC301 Check IC302 38 35 YES Is the luminance signal from of IC301 fed to pin of IC301 Change IC301 35 27 YES Check RF out NO NO NO 11 Ch...

Страница 23: ...node of D301 at 0 volts NO YES Check QV SYNC Is the PAL color signal from pin of IC301 fed to pin of IC302 Check IC301 pin serial clock and data input YES Is the signal from pin of IC301 fed to pin of IC301 Check IC302 YES 11 53 26 53 55 55 56 Is color signal output from pin of IC301 Change IC301 27 YES Check RF out NO NO NO Check Line out Is the signal from pin of IC301 fed to pin of IC301 Check ...

Страница 24: ...d from pin of ICA301 NO YES Check REC Y EQ and RA04 and pattern Is ON OFF 5V supplied to pin of ICA01 at 5volts NO YES Check ON OFF 5V CIRCUIT Is REC H supplied to pin of ICA01 at 4 2volts NO YES Check IC601 Pin Is the signal from pin of ICA01 Check ICA01 YES To HEAD 10 15 11 1 NO 44 ...

Страница 25: ...t 1 0Vp p Ł CCD INPUT SIGNAL 100mV 10ms Pin y of IC301 0 5Vp p ØCCD OUTPUT SIGNAL 100mV 10ms Pin Y of IC301 0 5Vp p ŒMODULATOR FM 200mV 10ms Pin s of IC301 900mVp p ºREC CURRENT 1V 10ms Pin of ICA01 3 5Vp p FSC 500mV 10ms pin of IC301 fsc 4 43MHz 1 0Vp p C SYNC 1V 10ms Pin of IC401 C SYNC 4Vp p DOWN CONVERTED COLOR SIGNAL 100mV 10ms Pin f of IC301 PAL Color 350mVp p ...

Страница 26: ...tape 23 PLAYBACK ENVE 200mV 5ms Pin S of IC301 Ł CCD INPUT SIGNAL 100mV 10ms Pin y of IC301 ØCCD OUTPUT SIGNAL 100mV 10ms Pin Y of IC301 ŒVIDEO OUTPUT SIGNAL 500mV 10ms Pin W of IC301 ºCOLOR BURST SIGNAL 100mV 10ms Pin f of IC301 PLAYBACK COLOR 100mV 10ms Pin of IC301 ...

Страница 27: ...WAVEFORMS OF THE SERVO SYSCON CIRCUIT 24 1V 10ms 1V 10ms 1V 10ms 1V 10ms 1V 10ms 1V 10ms 1V 10ms 1V 10ms ...

Страница 28: ...NCE 13 P34 I REMOTE REMOCON SIGNAL INPUT 14 P35 I T_REEL P TAKE UP REEL PULSE INPUT 15 P36 I V SYNC VERTICAL SYNC INPUT FOR NTSC PAL SEL 16 P37 O PB L 17 P64 I D FG DRUM FG INPUT 18 P65 I C FG CAPSTAN FG INPUT 19 P66 1 C FG CAPSTAN FG INPUT 20 P67 1 PB CTL PLAY BACK CONTROL SIGNAL INPUT 21 TEST I Vcc 5V 22 P00 O QV SYNC QUASI V SYNC OUTPUT IN SPECIAL PB MODE 23 P01 O V SWP VIDEO HEAD SWITCHING PUL...

Страница 29: ... CLK NOT USED 46 RESET I RESET RESET INPUT 47 X1 I OSC IN 10MHz OSC INPUT 48 X2 O OSC OUT 10MHz OSC OUTPUT 49 Vss I GND GND 50 P63 I Mesecam H Mesecam H input ports 51 P62 I OPTION 2 Play only MONO REC HIFI REC 52 P61 I T END L END SENSOR INPUT 53 P60 I T END L END SENSOR INPUT 54 P57 I CAM 1 CAM Input 1 CAM A B D 55 P56 I CAM 2 CAM Input 2 CAM C REC safety 56 P55 I KEY 1 KEY Input 1 pwr st ej a r...

Страница 30: ...27 6 CIRCUIT DIAGRAM CONNECTION DIAGRAM ...

Страница 31: ...28 POWER CIRCUIT DIAGRAM ...

Страница 32: ...29 SERVO SYSCON CIRCUIT DIAGRAM ...

Страница 33: ...30 VIDEO HEAD AMP CIRCUIT DIAGRAM ...

Страница 34: ...31 AUDIO CIRCUIT DIAGRAM ...

Страница 35: ...32 HI FI AUDIO CIRCUIT DIAGRAM ...

Страница 36: ...33 KARAOKE CIRCUIT DIAGRAM ...

Страница 37: ...34 LOGIC SW CIRCUIT DIAGRAM ...

Страница 38: ...AD FRONT BACK 1 EPS 2 97P4803100 POLYBAG FOR SET 1 P E FOAM 3 97P8040700 BOX CARTON 1 EX300 SCP150 EX300 4 97P9560000 MANUAL OWNERS 1 ART PAPER 5 97P880RP15 CABLE RF 1 PAL 1 5M 6 97P0424100 COVER ACCESSORY 1 LD PE T0 1 7 97P1R2BU03 REMOCON HANDSET AS 1 VR F2BU 8 97P7500001 BATTERY 2 AAM 1 5V ...

Страница 39: ...396 42V 10 97P4602700 CLAMP CORD 1 NYLON 66 BLK 5280N 11 97PD609100 CHASSIS MAIN 1 HI PS HB SBR 80 BLK 12 7173401211 SCREW TAPPTITE 2 TT2 BIN 4x12 MFZN PANEL AS FIX 13 97P2440200 BRKT F L 1 SECC T1 6 14 97PD179900 PCB LOGIC AS 1 DV K11W 15 97PD170100 PCB JACK MIC AS 1 DV K11W 16 7173401211 SCREW TAPPTITE 1 TT2 BIN 4x12 MFZN PCBJACKMICFIX 17 97PD174600 PANEL FRONT AS 1 DV K11W 18 97P0363420 COVER B...

Страница 40: ... 97P1618300 WINDOW FRONT 1 PMMA 3 97P1349600 KNOB FUNCTION 1 ABS 4 97P1711600 INDICATOR POWER 2 GE PS 5 97P1816500 DOOR F L 1 ABS 6 97P3040000 SPRING F L DOOR 1 SWPB 7 97P1711500 INDICATOR LED 1 GP PS 8 97P1349700 KNOB A REC 1 ABS 9 97P3119500 RING VOLUME 3 ABS 10 97P1502800 BADGE DAEWOO 1 AL ...

Страница 41: ... Code Distance A 2 5 mm B 5 0 mm C 7 5 mm D 10 0 mm E 12 5 mm F 15 0 mm G 17 5 mm H 20 0 mm G 17 5 mm H 20 0 mm J 22 5 mm K 25 0 mm X Auto Insertion Z Auto Insertion Tolerance Symbol Tolerance F 1 G 2 J 5 K 10 M 20 N 30 Value Example 478 0 47Ω 479 4 7Ω 470 47Ω 471 470Ω 472 4 7KΩ 473 47KΩ R Meterial Shape Knob Code Pin Length Value Same as Fixed Type Knob Type VERTICAL HORIZONTAL VERTICAL HORIZONTA...

Страница 42: ...ce Same as Fixed Resistor Characteristic Capacitance Temperature Coefficient ppm C Coefficient ppm C A 100 F 15 B 30 G 30 C 0 H 60 H 30 J 120 L 80 K 250 P 150 L 500 R 220 M 1000 S 330 N 2500 T 470 U 750 V 1000 SI 350 1000 Distance Same as Fixed Resistor Voltage Same as Normal Value Same as Fixed Resistor Tolerance Same as Fixed Resistor Type F Fiber G Glass Tube L Lead Type Glass Tube T Temperatur...

Страница 43: ...MF 5X11 TP IC21 1KA431AZ IC REGULATOR KA431AZ L21 56C220K686 COILCHOKE 22UH K 27 5X0 4D L22 56C220K686 COILCHOKE 22UH K 27 5X0 4D DZ11 DBZT03C160 DIODEZENER BZT03C160 RA15 7 LOC PART CODE PART NAME PART DESC D12 DZEU01Z DIODE EU01Z U001 97P65141PA PCB POWER 197X197X1 6T 6 C801 CL1UE3104M C LINE ACROSS AC275V 0 1MF M 1 40 WOR C802 CH1CEB101K C CERA AC 2 5KV 100PF K DEAC250V C803 CH1CEB101K C CERA A...

Страница 44: ...V RSM 47MF 5X7 TP CW06 CXSL1H151J C CERA 50V SL 150PF J LOC PART CODE PART NAME PART DESC CW07 CEXF1H479A C ELECTRO 50V RSM 4 7MF 4X7 CW08 CEXF1H100A C ELECTRO 50V RSM 10MF 5X7 TP CW10 CEXF1A470A C ELECTRO 10V RSM 47MF 5X7 CW100 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP CW103 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP CW11 CXSL1H151J C CERA 50V SL 150PF J CW12 CEXF1H100A C ELECTRO 50V RSM 10MF 5X7 TP...

Страница 45: ...M 47MF 5X7 TP C604 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP C605 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP LOC PART CODE PART NAME PART DESC C607 CXCH1H120J C CERA 50V CH 12PF J TAPPING C608 CXCH1H120J C CERA 50V CH 12PF J TAPPING C821 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP C823 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP C902 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP C905 CEXF1H100A C ELECTRO 50V RSM ...

Страница 46: ...6V Y5S 0 01MF M AXIAL CA16 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M AXIAL CA19 CCZF1H104Z C CERA HIKF 50V 0 1MF ZAXIAL CH01 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M AXIAL CH02 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M AXIAL CH03 CCZF1H104Z C CERA HIKF 50V 0 1MF ZAXIAL CH04 CCZF1H104Z C CERA HIKF 50V 0 1MF ZAXIAL CH06 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M AXIAL CH08 CBZP1C103M C CERA SEMI 16V Y5S 0 0...

Страница 47: ...N4148 AUTO 52MM D821 DZN4148 DIODE 1N4148 AUTO 52MM D822 DZN4148 DIODE 1N4148 AUTO 52MM D824 DZN4003 DIODE IN4003 LOC PART CODE PART NAME PART DESC D825 DZN4003 DIODE IN4003 L921 5PB13857 COIL BEADBI3857 AXIAL RA01 RD AZ820J R CAR BON FILM1 6 82 OHM J RA02 RD AZ104J R CAR BON FILM1 6 100K OHM J RA03 RD AZ183J R CAR BON FILM1 6 18K OHM J RA04 RD AZ913J R CAR BON FILM1 6 91K OHM J RA05 RD AZ821J R C...

Страница 48: ...LM1 6 910 OHM J RW50 RD AZ473J R CAR BON FILM1 6 47K OHM J RW52 RD AZ471J R CAR BON FILM1 6 470 OHM J LOC PART CODE PART NAME PART DESC RW53 RD AZ101J R CAR BON FILM1 6 100 OHM J RW54 RD AZ102J R CAR BON FILM1 6 1K OHM J RW55 RD AZ102J R CAR BON FILM1 6 1K OHM J R213 RD 4Z519J R CAR BON FILM1 4 5 1 OHM J R216 RD AZ472J R CAR BON FILM1 6 4 7K OHM J R217 RD AZ472J R CAR BON FILM1 6 4 7K OHM J R218 R...

Страница 49: ...02J R CAR BON FILM1 6 1K OHM J R541 RD AZ182J R CAR BON FILM1 6 1 8K OHM J LOC PART CODE PART NAME PART DESC R542 RD AZ182J R CAR BON FILM1 6 1 8K OHM J R543 RD AZ101J R CAR BON FILM1 6 100 OHM J R544 RD AZ101J R CAR BON FILM1 6 100 OHM J R545 RD AZ332J R CAR BON FILM1 6 3 3K OHM J R547 RD AZ304J R CAR BON FILM1 6 300K OHM J R548 RD AZ304J R CAR BON FILM1 6 300K OHM J R549 RD AZ301J R CAR BON FILM...

Страница 50: ...TACT SKHV10910A SW702 5S50101Z90 SW TACT SKHV10910A SW703 5S50101Z90 SW TACT SKHV10910A SW704 5S50101Z90 SW TACT SKHV10910A SW705 5S50101Z90 SW TACT SKHV10910A LOC PART CODE PART NAME PART DESC SW706 5S50101Z90 SW TACT SKHV10910A SW707 5S50101Z90 SW TACT SKHV10910A SW708 5S50101Z90 SW TACT SKHV10910A C702 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M AXIAL R701 RD AZ331J R CARBON FILM 1 6 330 OHM J R705...

Страница 51: ... TZTA1273Y TR KTA1273Y 966Y Q203 TZRC104M TR KRC104M AUTO Q204 TZTC3198Y TR KTC3198Y 1815Y AUTO LOC PART CODE PART NAME PART DESC Q205 TZRC104M TR KRC104M AUTO C208 CBZP1C103M C CER ASEMI16VY5S0 01MFM AXIAL C223 CCZB1H102K C CER A50V B 1000PF K AXIAL R201 RD AZ102J R CAR BON FILM1 6 1K OHM J R202 RD AZ181J R CAR BON FILM1 6 180 OHM J R203 RD AZ123J R CAR BON FILM1 6 12K OHM J R204 RD AZ434J R CAR ...

Страница 52: ...RSEAS SERVICE DEPT DEAWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPOGU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 82 2 364 5588 TEL 82 2 360 7114 8114 http www dwe daewoo co kr VERSION 1 0 PRINTED DATE APR 1997 ...

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