Daewoo DF-8100 Service Manual Download | Manualshive

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34

CIRCUIT DIAGRAM

7. POWER SUPPLY SCHEMATIC DIAGRAM

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Summary of Contents for DF-8100

Page 1: ...g their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service Information Center http svc dwe co kr Sep 2004 Service...

Page 2: ...1 SPECIFICATIONS 2 TROUBLE SHOOTING 3 WAVEFORMS 25 CIRCUIT DIAGRAM 28 PCB CIRCUIT BOARD 43 INSTRUMENT DISASSEMBLY 46 ELECTRICAL PARTSLIST 48 CONTENTS...

Page 3: ...ications Head system 4 Head Video 2 Head Hi Fi helical scan azimuth system Timer 24 hour display type Tape speed SP 23 39 mm sec LP 11 70 mm sec Tape width 12 7 mm Rewind time less than 150 seconds E...

Page 4: ...5 TROUBLESHOOTING 4 TROUBLESHOOTING 32 31 IC501 IC501 IC501 IC501 IC501 IC501 IC502 IC502 61 2 SYSTEM CIRCUIT 25 IC501 IC501 Pin14...

Page 5: ...7 TROUBLESHOOTING 6 TROUBLESHOOTING B Digital Board...

Page 6: ...ty 1 YES YES YES YES Noise appears on the Full playback screen Are SW pulse and HA SW normal Recheck step B 1 Bad playback quallty 1 Check HEAD AMP connector and HEAD YES YES NO NO ENVE Wave at P502 p...

Page 7: ...at IC501 pin 87 normal Is there REEL Pulse at IC501 pin 79 80 Check and replace IC501 NO YES YES YES NO Check C FG R543 C517 and P501 pin 1 NO G DRUM Motor stops H CAPSTAN doesn t rotate CAPSTAN does...

Page 8: ...C301 pin 61 YES NO Check PCB Pattern Is signal input at IC301 pin 56 Check RF Output Check PCB Pattern LINE out YES YES Check IC301 NO B Playback picture doesn t appear 1 No VCR Playback Picture YES Y...

Page 9: ...t signal at JK601 JK101 JK102 No DVD Video signal Are there video signal at pin 1 3 5 7 9 11 of P100 NO NO Check PC01 ICN01 CVBS out Y C Out Component Out CVBS Check Pin 61 of IC301 RGB Check Pin 21 2...

Page 10: ...e IC301 NO NO YES 2 VCR Part YES Is IC301 pin 80 REC H HIGH Check IC501 pin 45 NO 4 AUDIO Hi Fi MODEL No sound in RF E E mode Is Audio signal output at IC602 pin 3 13 A No sound in E E mode a RF E E I...

Page 11: ...IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Check POWER circuit YES YES Check Output JACK YES c AV2 E E No sound in AV2 E E mode NO Check Input AV2 JACK Is Audio signal at IC251 pin 8 9 Is A...

Page 12: ...1 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Check POWER circuit YES YES Check Output JACK YES Check IC602 NO d DVD E E No sound in DVD E E mode Is there DVD Audio at IC102 pi...

Page 13: ...IC301 pin 13 15 17 Collect signal at C222 is about 70Vp p at 70KHz Check IC251 YES YES Check Q203 NO Check P201 pin 2 4 8 and A C HEAD YES REC H BASE voltage at Q206 is 5V Check IC501 pin 45 NO YES C...

Page 14: ...251 pin 17 18 NO Check power circuit NO Voltage at IC251 pin 34 is 12V Voltage at IC251 pin 40 and at IC301 pin 18 is 5V F No Sound in JK101 COAXIAL Jack Pin 25 of P100 is Digital signal SPDIF Check J...

Page 15: ...EE REC PLAY 4 IC251 24 200mVp p 50mV 0 5msec EE REC 5 IC251 34 1 4Vp p 0 5V 1msec REC 6 IC251 32 200mVp p 50mV 0 5msec EE REC 7 IC251 16 1 4Vp p 0 5V 0 5msec EE REC 3 SERVO SYSCON 8 IC501 18 5Vp p 2V...

Page 16: ...28 CIRCUIT DIAGRAM 1 SERVO SYSCON SCHEMATIC DIAGRAM DVDR VCR...

Page 17: ...29 CIRCUIT DIAGRAM 2 AV IC SCHEMATIC DIAGRAM DVDR VCR...

Page 18: ...30 CIRCUIT DIAGRAM 3 Hi Fi SW IN OUT CIRCUIT SCHEMATIC DIAGRAM DVDR VCR...

Page 19: ...31 4 ADC DAC VIDEO AMP CIRCUIT DIAGRAM...

Page 20: ...32 CIRCUIT DIAGRAM 5 PIF CIRCUIT DIAGRAM...

Page 21: ...33 CIRCUIT DIAGRAM 6 FRONT PART SCHEMATIC DIAGRAM...

Page 22: ...34 CIRCUIT DIAGRAM 7 POWER SUPPLY SCHEMATIC DIAGRAM...

Page 23: ...35 CIRCUIT DIAGRAM 8 8602 CODEC...

Page 24: ...36 CIRCUIT DIAGRAM 9 TERMINATION...

Page 25: ...37 CIRCUIT DIAGRAM 10 DDR SDRAM...

Page 26: ...38 CIRCUIT DIAGRAM 11 RST AV ELINK CONNECTOR...

Page 27: ...39 CIRCUIT DIAGRAM 12 FLASH ATAPI...

Page 28: ...40 CIRCUIT SCHEMATICS 13 1394 PHY...

Page 29: ...41 CIRCUIT SCHEMATICS 14 POWER CONNECTOR...

Page 30: ...42 CIRCUIT SCHEMATICS 15 VIDEO DECORDER SAA7115...

Page 31: ...43 PCB CIRCUIT BOARD 1 MAIN PCB...

Page 32: ...44 PCB CIRCUIT BOARD 2 FRONT PANEL PCB...

Page 33: ...45 PCB CIRCUIT BOARD 4 MPEG PCB 3 POWER PCB...

Page 34: ...47 INSTRUMENT DISASSEMBLY 46 INSTRUMENT DISASSEMBLY...

Page 35: ...560202L692 COILOSC DEO 006 X051 5XJ18R4LAE CRYSTALQUARTZ HC 49 S18 43200MHZ30PP X501 5XJ17R7LAD CRYSTALQUARTZ HC 49 S17 73447MHZ25PPM Z0011 PVMPJ1E470 MAINCHIPMOUNTAAS DF L71D1D BA C012 HCBK103KBA CC...

Page 36: ...9A CELECTRO 50VRSM2 2MF 4X7 TP C275 CEXF1C100A CELECTRO 16VRSM10MF5X7 51 ELECTRICAL PARTSLIST LOC PARTSCODE PARTSNAME PARTSDESCRIPTION REMARK CD105 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CD112 HCBK103K...

Page 37: ...PCBMAINAXIALAS DF L71D1D BA AM31 2TM14006LB TAPEMASKING 3M 2326 0X2000M AM31A 2TM110620R TAPEMASKING SI 600NRED AM31B 2TM1106200 TAPEMASKING SI 600N 53 ELECTRICAL PARTSLIST LOC PARTSCODE PARTSNAME PA...

Page 38: ...COPPER AWG221 0 65TINCOATING JP227 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP228 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP229 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP230 85801065GY WIRE...

Page 39: ...221 0 65TINCOATING JP255 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP256 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP257 85801065GY WIRECOPPER AWG221 0 65TINCOATING JP258 85801065GY WIRECOPPER AWG...

Page 40: ...8 LC35 HRFS000 BA RCHIP 1 16 0OHM1608 LC36 HRFS000 BA RCHIP 1 16 0OHM1608 LC37 HRFS000 BA RCHIP 1 16 0OHM1608 LC38 HRFS000 BA RCHIP 1 16 0OHM1608 LC39 HRFS000 BA RCHIP 1 16 0OHM1608 LC40 HRFS000 BA RC...

Page 41: ...08 CM95 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CM96 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CN01 HCQK150JBA CCHIPCERA 50VCH15PFJ1608 CN02 HCQK150JBA CCHIPCERA 50VCH15PFJ1608 CN03 HCFH104ZBA CCHIPCERA 25V...

Page 42: ...S121JBA RCHIP 1 16 120OHMJ1608 RC44 HRFS121JBA RCHIP 1 16 120OHMJ1608 RC45 HRFS101JBA RCHIP 1 16 100OHMJ1608 RC47 HRFS221JBA RCHIP 1 16 220OHMJ1608 RC48 HRFS101JBA RCHIP 1 16 100OHMJ1608 RD02 HRFS101J...

Page 43: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp...

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