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Daewoo DV-K10DY-D, Руководство по обслуживанию

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29

6-4. VIDEO & HEAD-AMP (DV-K10D/12D)

Содержание DV-K10DY-D

Страница 1: ...nual 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 D...

Страница 2: ...em 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 ma...

Страница 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 antenn...

Страница 4: ...IDEO MAIN CIRCUIT 22 SECTION 5 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...

Страница 5: ...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 TES...

Страница 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...

Страница 7: ...en 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...

Страница 8: ...scopes 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...

Страница 9: ...e 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 th...

Страница 10: ...eck 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 s...

Страница 11: ...rcuit 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...

Страница 12: ...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 C...

Страница 13: ...pplied 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...

Страница 14: ...lied 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...

Страница 15: ...s 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 IC60...

Страница 16: ...d 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 Trouble...

Страница 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...

Страница 18: ...cart 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...

Страница 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 fe...

Страница 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...

Страница 21: ...t 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 YE...

Страница 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...

Страница 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...

Страница 24: ...put 1 0Vp p VIDEO OUTPUT SIGNAL 50mV 10ms Pin u of IC301 0 5Vp p COLOR BURST SIGNAL 50mV 10ms Pin Y of IC301 0 5Vp p AFTER CCD Y 100mV 10ms Pin s of IC301 900mVp p CLAMP INPUT SIGNAL 100mV 10ms Pin of...

Страница 25: ...OF THE PAL LUMINANCE AND COLOR IN THE PB MODE DP 1 test tape UP Pin u of IC301 DOWN Pin S of IC301 Pin u of IC301 0 4Vp p Pin Y of IC301 0 4Vp p Pin W of IC301 Video out 2 0Vp p Pin f IC301 0 5Vp p Pi...

Страница 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...

Страница 27: ...CE 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...

Страница 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...

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

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

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

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

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

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

Страница 35: ...4923700 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 OWNE...

Страница 36: ...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 97P0424...

Страница 37: ...ZN 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...

Страница 38: ...CREW 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...

Страница 39: ...2W 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 Tolera...

Страница 40: ...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 Coeffic...

Страница 41: ...320 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 R...

Страница 42: ...XIAL 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...

Страница 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...

Страница 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...

Страница 45: ...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 1...

Страница 46: ...EN 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 5S...

Страница 47: ...48 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 FIL...

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