Daewoo DV-K10DY-QB, Service Manual

Page 1: ...anual MODEL STOP EJECT POWER INFRARED REMOTE SENSOR REW PLAY FF CASSETTE IN REW PLAY FF RECORD BLUE DIAMOND II NTSC PLAY BACK ON PAL TV DV K10W DV K10DY QB E DV K12DY QB E DV K10DY QB D DV K12DY QB D DV K12D QB D DV K10DZ QB D DV K10P QB ...

Page 2: ...tem 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 45 dB Rohde Schwarz noise mater with NETTETE IMAGE contol at centre position Horizontal resolution 240 lines with NETTETE IMAGE control at centrne pomition AUDIO Input 8 dBs CENELEC standard more than 47 k ohms unbalanced Outpu...

Page 3: ...ticular 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 accesible p...

Page 4: ...IDEO MAIN CIRCUIT 22 SECTION 5 µ COM PORT 24 SECTION 6 CIRCUIT DIAGRAM 26 6 1 CONNECTION DIAGRAM 26 6 2 POWER CIRCUIT DIAGRAM 27 6 3 SCART MAIN CIRCUIT DIAGRAM 28 6 4 VIDEO HEAD AMP 29 6 1 AUDIO CIRCUIT DIAGRAM 30 SECTION 7 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 31 SECTION 8 SECTION EXPLODED VIEWS AND PARTS LIST 32 8 1 PACKING ASSEMBLY DV K10D 32 8 2 APCKING ASSEMBLY DV K12D 33 8 3 CHASSIS A...

Page 5: ...N REW PLAY FF RECORD BLUE DIAMOND II NTSC PLAY BACK ON PAL TV DV K10W PLAY REW POWER STOP EJECT FF REW CST IN FF REC DV K12W BLUE DIAMOND II NTSC PLAY BACK ON PAL TV CH H EURO AV CH L RF OUT ANT IN TEST ON G K OFF RF OUT ANT IN IN VIDEO AUDIO OUT CH H CH L TEST ON G K OFF FRONT DV K10W REAR DV K12W ...

Page 6: ... CH2 to VIDEO OUT R307 with CH1 triggering 3 Adjust R592 for the positive trigger unitill 6 5 0 5H cycles before the vertical SYNC pulse SECTION 2 ELECTRICAL ADJUSTMENT Adjustment Parts Checking Point Measuring Equipment Mode Test Tape R307 DP 2 R592 PT01 PIN Ø Oscilloscope PLAY Modulator CH 1 OSCILLOSCOPE CH 2 DECK PT01 PIN3 R592 S M P S P O W E R R307 CH1 CH2 1H 0 5H 6 5H 0 5H VERTICAL SYNC SW 3...

Page 7: ...pen mode 3 Connect the Audio level meter to both R01 4 After inserting a blank tape record in SP mode 5 Adjust R292 to obtain 3 0 mVrms 4 A CHEAD R101 Audio LEVEL METER DECK ASSY R292 S M P S P O W E R A C HEAD Adjustment Parts Checking Point Measuring Equipment Test Tape Input Signal R292 A C Head PCB Audio level meter Rec None signal R01 ...

Page 8: ...oscopes 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 IC801 check FUSE and Cement resistance surely 5 NO NO Prepare the instrument connecting the insulating trans Check F801 FUSE Is voltage applied to D801 Is voltage applied to the both terminals of C807 Check power mo...

Page 9: ...re of T11 is ok Primary parts is ok Secondary parts ok Change T11 Change parts out of order YES NO YES Resistance 100 YES YES NO NO Check F801 L801 L802 D802 NO Check the secondary circuit YES Check the pattern and T11 L12 IC11 NO Terminal open and measure the output Voltage Change parts out of order NO The voltage is ok Check the parts outside module Check the Diode Condenser inside Module NO YES...

Page 10: ...heck C501 C502 C503 check R636 Check IC601 YES YES YES YES YES YES YES NO NO NO NO NO NO A 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 ...

Page 11: ...ircuit Auto stop during playback Is Reel pulse applied to pin and of IC601 7 14 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 Check reel sensor Is D FG applied to pin of IC601 Check connector D FG circuits Check IC601 YES NO YES YES YES YES YES YES NO NO NO NO NO YES NO 17 B C ...

Page 12: ...s pin of PJ50101 2 5V Is pin C PWM of IC601 Supplied Check connector and Motor 17 30 6 4 31 Check D606 of power circuit Check C508 R510 Check IC601 Check power circuit Check circuit of R604 R605 R606 Check R655 R656 Check IC601 YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO Is Motor 12V supplied D E Drum M T loading stops Capstan M T loading stops ...

Page 13: ...upplied Does X601 crystal osciliate Is CAM SW DATA Correct Check IC602 Check IC 601 Check power circuit Check IC601 and X601 Recheck connector and CAM SW contact NO YES YES YES YES YES NO NO NO NO F G Drum M T and Capstan M T rotate at regular speed In REC mode Emergency mode when plugging Power cord ...

Page 14: ...plied Check D602 of power circuit CAM DATA is changed when CST IN Is 5V applied to pin of IC602 when CST IN 4 Chek IC602 Check connector Check DECK part Is 5V supplied at pin of IC601 Check PATTERN 37 Check IC601 H NO YES YES YES NO NO NO NO YES ...

Page 15: ...es not operated When mains is unplugged is 3 6V at pin and of IC601 21 64 Is signal applied to pin and of IC601 47 48 Is 5V at pin of IC601 46 Check IC601 Check C602 Check x601 Check reset circuit IC603 YES YES YES NO NO NO I ...

Page 16: ...ed to pin of IC201 Check power circuit Is 5V applied to 1of IC201 Is there Audio output at pin of IC201 10 Check PJ201 and HEAD Check circuit adjacent to R211 R212 NO NO YES YES YES YES NO NO A Troubleshooting of PB mode Is pin of IC201 0V NO Check SYSCON Is pin of IC201 GND Check IC201 YES NO ...

Page 17: ... voltage above 10V at pin of T201 Check T201 Is record current normal Is pin of IC201 0V 1 Clean HEAD Asjust Record current Check IC201 NO YES YES YES YES YES NO NO NO NO B Troubleshooting of REC mode No sound in the playback mode after recording Check circuit adjacent R209 R210 C207 Check IC201 collector above 10V Base 0V Check IC201 NO NO Check IC201 NO ...

Page 18: ...Scart jack or A V jack 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 A EE MODE Picture N G 14 15 NO 2 YES Is QV SYNC H supplied to anode of D301 at 5 volts YES Check IC601 ...

Page 19: ... H supplied to anode of DA01 at 4 2 volt NO YES Check REC H Is the down converted colour signal obtained from pin of IC301 NO YES Change IC301 2 Is the down converted colour signal from pin of IC301 fed to RA04 YES Check ICA01 and pattern 2 To HEADAMP IC B REC COLOUR NG NO Is the down converted colour signal from pin of IC301 fed to pin of IC301 NO YES Check IC302 55 56 ...

Page 20: ... NO YES Check IC301 Is the luminance signal from pin of IC301 fed to pin of IC301 YES Check C302 C REC Luminance NG 31 26 54 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 YES 47 52 YES Is the modulating luminance signal from pin of IC301 fed to pin of ICA01 YES Check record EQ circuit To HE...

Page 21: ...lt NO YES Check EE L Is Y FM signal from pin of IC301 fed to pin of IC301 NO YES Check SSB Data Is the luminance signal from pin of IC301 fed to pin of IC301 Check C331 D PB luminance NG 51 47 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 Check L...

Page 22: ... at 0 volts NO YES Check QV SYNC Is the PAL colour signal from pin of IC301 fed to pin of IC302 Check IC301 pin serial clock and data input E PB Colour NG YES Is the signal from pin of IC301 fed to pin of IC301 Check IC302 YES 11 53 26 54 53 55 55 56 Is colour signal output from pin of IC301 Change IC301 27 YES Check RF out NO NO NO Check Line out 14 15 Is the signal from pin of IC301 fed to pin o...

Page 23: ... 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 Is REC H supplied to pin of ICA01 at 3 8volts NO YES Check REC H F REC HEADAMP NG Is the signal from pin of ICA01 Check ICA01 YES To HEAD 10 15 11 1 NO ...

Page 24: ...ut 1 0Vp p Ł VIDEO OUTPUT SIGNAL 50mV 10ms Pin u of IC301 0 5Vp p ØCOLOR BURST SIGNAL 50mV 10ms Pin Y of IC301 0 5Vp p ŒAFTER CCD Y 100mV 10ms Pin s of IC301 900mVp p ºCLAMP INPUT SIGNAL 100mV 10ms Pin of ICA01 3 5Vp p BGP OUTPUT TERMINAL 1V 10ms pin of IC301 fsc 4 43MHz 1 0Vp p TJ313 C SYNC 1V 10ms Pin of IC303 C SYNC 4Vp p PB FSC 200mV 0 1µs Pin f of IC301 PAL Color 350mVp p ...

Page 25: ...F THE PAL LUMINANCE AND COLOR IN THE PB MODE DP 1 test tape UP Pin u of IC301 DOWN Pin S of IC301 Ł Pin u of IC301 0 4Vp p ØPin Y of IC301 0 4Vp p ŒPin W of IC301 Video out 2 0Vp p ºPin f IC301 0 5Vp p Pin IC301 290mVp p ...

Page 26: ...23 4 3 WAVEFORMS OF THE SERVO SYSCON CIRCUIT 1V 10ms 1V 10ms 1V 200ms 1V 5ms 1V 500ms 1V 500ms 1V 200ms 1V 5ms ...

Page 27: ...ENCE 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 PU...

Page 28: ... 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...

Page 29: ...26 6 1 CONNECTION DIAGRAM DV K10D 12D SECTION 6 CIRCUIT DIAGRAM ...

Page 30: ...27 6 2 POWER CIRCUIT DIAGRAM DV K10D 12D ...

Page 31: ...28 6 3 SCART MAIN CIRCUIT DIAGRAM DV K10D 12D ...

Page 32: ...29 6 4 VIDEO HEAD AMP DV K10D 12D ...

Page 33: ...30 6 5 AUDIO CIRCUIT DIAGRAM DV K10D 12D ...

Page 34: ...31 MAIN PCB SECTION 7 COMPOMENTS LOCATION GUIDE ON PCB BOTTOM VIEW ...

Page 35: ...P4923700 PAD LEFT RIGHT 1 EPS 2 97P4803100 POLYBAG FOR SET 1 P E FOAM 3 97P5027840 BOX CARTON 1 EX300 SCP150 EX300 4 97P1900600 HANDLE BOX 1 PE 5 97P2503200 SUPPORT HANDLE 1 PE 6 97P9560000 MANUAL OWNERS 1 ART PAPER 7 97P0424100 COVER ACCESSORY 1 LD PE T0 1 8 97P1R2BU02 REMOCON HANDSET AS 1 VR F2BU 9 47P7500001 BATTERY 2 AAM 1 5V ...

Page 36: ...1 EPS 2 97P4803100 POLYBAG FOR SET 1 P E FOAM 3 97P5027840 BOX CARTON 1 EX300 SCP150 EX300 4 97P1900600 HANDLE BOX 1 PE 5 97P2503200 SUPPORT HANDLE 1 PE 6 97P9560000 MANUAL OWNERS 1 ART PAPER 7 97P0424100 COVER ACCESSORY 1 LD PE T0 1 8 97P1R2BU02 REMOCON HANDSET AS 1 VR F2BU 9 47P7500001 BATTERY 2 AAM 1 5V ...

Page 37: ...FZN C BOTTOM FIX 10 97P0466600 COVER BOTTOM 1 SECC T0 5 11 97P0800600 LEG 2 SBR 80 BLK 12 97P0609400 CHASSIS MAIN 1 HIPS HB 13 97P4602700 CLAMP CORD 1 NYLON 66 BLK 5280N 14 5FKGB2022L FUSE GLASS TUBE 1 KS TL 2A 250V MF51 15 97P6900910 CORD POWER AS 1 KKP 419C BS201R 2 36Tx2 EUROP 16 7174301011 SCREW TAPPTITE 1 TT2 FLT 3x6 MFZN BK H A FIX 17 7174301011 SCREW TAPPTITE 1 TT2 RND 3x10 MFZN DECK AS FIX...

Page 38: ...SCREW TAPPTITE 3 TT2 RND 3x10 MFZN C BOTTOM FIX 10 97P0466600 COVER BOTTOM 1 SECC T0 5 11 97P0800600 LEG 2 SBR 80 BLK 12 97P0609400 CHASSIS MAIN 1 HIPS HB 13 97P4602700 CLAMP CORD 1 NYLON 66 BLK 5280N 14 5FKGB2022L FUSE GLASS TUBE 1 KS TL 2A 250V MF51 15 97P6900910 CORD POWER AS 1 KKP 419C BS201R 2 36Tx2 EUROP 16 7174301011 SCREW TAPPTITE 1 TT2 FLT 3x4 MFZN BK H A FIX 17 7174301011 SCREW TAPPTITE ...

Page 39: ... Distance 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 Meterial Shape Knob Code Pin Length Value Same as Fixed Type Knob Type VERTICAL HORIZONTAL VERTICAL HO...

Page 40: ...r Q Mica Oil T Tantal Voltage Code Voltage 0J 6 3V 1A 10V 1C 16V 1D 20V 1E 25V 1V 35V 1G 40V 1H 50V 1J 63V 2A 100V 2B 125V 2C 160V 2D 200V 2E 250V 2F 315V 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 Value Same as Fix...

Page 41: ...C320 CEXF1A470A C ELECTRO 10V RSM 47MF 5X7 C321 CEXF1H228A C ELECTRO 50V RSM 0 22MF 4X7 LOC PART CODE PART NAME PART DESC C322 CEXF0J471V C ELECTRO 6 3V RSS 470MF 8X11 5 C323 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP C324 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M AXIAL C325 CEXF1H100A C ELECTRO 50V RSM 10MF 5X7 TP C326 CEXF1H478A C ELECTRO 50V RSM 0 47MF 4X7 C327 CEXF1H229A C ELECTRO 50V RSM 2 2MF 4X...

Page 42: ...AXIAL C630 CCZF1H104Z C CERA HIKF 50V 0 1MF Z AXIAL C631 CCZF1H104Z C CERA HIKF 50V 0 1MF Z AXIAL LOC PART CODE PART NAME PART DESC C632 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M AXIAL C633 CCZB1H102K C CERA 50V B 1000PF K AXIAL C634 CCZB1H101K C CERA 50V B 100PF K AXIAL C635 CCZF1H104Z C CERA HIKF 50V 0 1MF Z AXIAL C636 CCZF1H104Z C CERA HIKF 50V 0 1MF Z AXIAL C637 CCZF1H104Z C CERA HIKF 50V 0 1MF ...

Page 43: ... RADIAL L304 5CPX101J COIL PEAKING PL 100UH J TAPPING LOC PART CODE PART NAME PART DESC L305 5CPX101J COIL PEAKING PL 100UH J TAPPING L306 5CPX820J COIL PEAKING 82UH J RADIAL L307 5CPX101J COIL PEAKING PL 100UH J TAPPING L308 5CPX680J COIL PEAKING 68UH J RADIAL L309 5CPX101J COIL PEAKING PL 100UH J TAPPING L310 5CPX330J COIL PEAKING 33UH J RADIAL L311 5CPX330J COIL PEAKING 33UH J RADIAL L312 5CPX8...

Page 44: ... AZ122J R CARBON FILM 1 6 1 2K OHM J R310 RD AZ222J R CARBON FILM 1 6 2 2K OHM J LOC PART CODE PART NAME PART DESC R311 RD AZ154J R CARBON FILM 1 6 150K OHM J R312 RD AZ154J R CARBON FILM 1 6 150K OHM J R313 RD AZ152J R CARBON FILM 1 6 1 5K OHM J R314 RD AZ682J R CARBON FILM 1 6 6 8K OHM J R315 RD AZ152J R CARBON FILM 1 6 1 5K OHM J R316 RD AZ271J R CARBON FILM 1 6 270 OHM J R317 RD AZ102J R CARBO...

Page 45: ...M J R645 RD AZ271J R CARBON FILM 1 6 270 OHM J R646 RD AZ301J R CARBON FILM 1 6 300 OHM J LOC PART CODE PART NAME PART DESC R647 RD AZ301J R CARBON FILM 1 6 300 OHM J R648 RD AZ161J R CARBON FILM 1 6 160 OHM J R649 RD AZ221J R CARBON FILM 1 6 220 OHM J R650 RD AZ331J R CARBON FILM 1 6 330 OHM J R651 RD AZ511J R CARBON FILM 1 6 510 OHM J R652 RD AZ432J R CARBON FILM 1 6 4 3K OHM J R653 RD AZ161J R ...

Page 46: ...EEN DL605 DZLG31 LED PL G31 GREEN DL606 DZLR31 LED PL R31 RED LOC PART CODE PART NAME PART DESC JP119 85801065GY WIRE COPPER AWG221 0 65 TIN COATING S606 5S50101Z97 SW TACT SKHV10914A 9 5M AUTO S607 5S50101Z97 SW TACT SKHV10914A 9 5M AUTO S608 5S50101Z97 SW TACT SKHV10914A 9 5M AUTO S609 5S50101Z97 SW TACT SKHV10914A 9 5M AUTO 2 DV K12D SERIES LOC PART CODE PART NAME PART DESC P601 97P6269100 CONN...

Page 47: ...148 AUTO 52MM DZ103 DZA105R1L DIODE ZENER MA 1051L 5R1 LOC PART CODE PART NAME PART DESC JC101 97P6310500 SOCKET RGB MA 1051L 5R1 PJ101 97P8810714 CONN AS Y10714 7H 7S 140MM R101 RD AZ271J R CARBON FILM 1 6 270 OHM J R102 RD AZ271J R CARBON FILM 1 6 270 OHM J R103 RD AZ750J R CARBON FILM 1 6 75 OHM J 5 PCB SCART AS DV K10 12DY QB E SERIES LOC PART CODE PART NAME PART DESC RF101 97P7212000 MODULATO...