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Daewoo DC-A84D1P, Руководство по обслуживанию

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32

CIRCUIT DIAGRAM

Содержание DC-A84D1P

Страница 1: ...A23D1D DC A23D1S Caution In this Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts...

Страница 2: ...1 SPECIFICATIONS 2 ADVANTAGES OF THIS PRODUCT 3 TROUBLE SHOOTING 5 WAVEFORMS 23 CIRCUIT DIAGRAM 26 PCB CIRCUIT BOARD 36 INSTRUMENT DISASSEMBLY 39 ELECTRICAL PARTSLIST 45 CONTENTS...

Страница 3: ...IDEO output common use of DVD and VCR VIDEO output terminal 1 0 Vp p unbalanced RCA JACK SCART JACK VIDEO output DVD only RGB output 75 In load R 0 7Vp p G 0 7Vp p B 0 7Vp p AUDIO output common use of...

Страница 4: ...mbedded with Dolby Digital dts decoder Built in Dolby Digital decoder DVD Analog audio 2 channels output for DOWNMIX x1 Composite video output x1 Slow Forward Reverse playback DVD Fast Forward Reverse...

Страница 5: ...case of SVCD or VCD it depends on the disc The number of subtitle languages depends on the software Multi Angle function DVD This function allows you to choose the viewing angle of scenes which were s...

Страница 6: ...cord is ok Is 400V 200V voltage obtained at C804 Output voltage of 2nd parts is normal Check rectifier diode of 2nd parts D821 D822 D823 D826 D827 D828 D830 Switching pulse of Q801 collector is normal...

Страница 7: ...5 Oscillation at IC701pin 1 Specific GRID SEG doesn t function Check R588 D857 L503 L860 Exchange IC701 Check IC 701 pin 22 24 27 28 30 31 Check IC 701 pin 10 12 14 21 NO YES YES NO NO GRID output at...

Страница 8: ...on the screen even though changing tape Re adjust the height of AC HEAD Remove the dust Check C510 R545 R547 IC 501 pin 91 92 98 NO Re adjust PATH B 1 Bad playback quality 1 YES YES YES YES Noise app...

Страница 9: ...TA normal Is SIF Video output at TMI RF101 pin 22 24 normal Check IC 501 Check IC301 Check IC501 YES YES NO NO NO Is Video Signal input at IC501 pin 50 Is there Video output at IC501 pin 52 Check TMI...

Страница 10: ...V voltage obtained at Each parts of Loading Motor Replace Loading Motor Check D851 and POWER circuit D No CASSETTE Loading YES YES E AUTO STOP in Playback mode VCR stops automatically in playback mode...

Страница 11: ...ltage obtained at P501 pin 9 Check P501 Connector and Capstan Motor Check EVER 14V Q850 Check Capstan FG IC 501 pin 87 Check R541 R540 R539 R538 C518 Check R537 R536 C521 DRUM Motor stops Is 14V volta...

Страница 12: ...heck IC501 pin 58 71 72 NO YES YES NO NO YES Is signal output from pin 65 of IC301 YES NO Check IC301 pin 62 Q V Sync Is signal input into pin 50 of IC501 YES NO Check PCB Pattern Is signal output fro...

Страница 13: ...om IC301 pin 79 NO NO Same as EE MODE check Is 5V supplied at IC301 pin 91 Is SW Pulse input at IC301 pin 70 Is 5V obtained at IC301 pin 24 42 55 72 91 Check POWER 5V Check IC601 pin 18 Clean head or...

Страница 14: ...89 90 LP MODE 89 90 Pin SP MODE 94 95Pin Check video HEAD and Connector Is signal input into IC301 pin 48 50 52 54 56 Check POWER circuit Check IC501 pin 18 Record video signal poor Check EE MODE YES...

Страница 15: ...in 52 NO Replace IC501 D No OSD On Screen Display appears YES YES NO Check IC 501 Check IC 501 NO Check PCB Pattern Check FFC CABLE DVD Module DVD Composite signal doesn t appear Is signal output at P...

Страница 16: ...2 43 NO Is 5V obtained at IC251 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Check POWER circuit YES Replace IC601 Is 5V obtained at IC051 pin 1 Check Power circuit NO Is there...

Страница 17: ...13 Check IC501 Is Audio signal output at IC251 pin 16 17 Are CLK and DATA obtained at IC251 pin 42 43 NO Is 5V obtained at IC251 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Ch...

Страница 18: ...13 Check IC501 Is Audio signal output at IC251 pin 19 20 Are CLK and DATA obtained at IC251 pin 42 43 NO Is 5V obtained at IC251 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Ch...

Страница 19: ...signal at IC601 pin 2 15 YES YES Check ICD03 NO Check DVD board NO Check POWER circuit NO Is DVD Audio signaloutput at ICD03 pin 1 7 Check ICD03 NO YES Is Audio signal output at IC601 pin 3 13 Check...

Страница 20: ...1 12 Check Input Front JACK NO Is Audio signal output at IC601 pin 3 13 Check IC501 YES Replace IC601 Comparing with switching table are SWA B CTL SIGNAL right at IC601 pin 9 10 NO Check Output JACK Y...

Страница 21: ...Check IC501 Is Audio signal output at IC251 pin 16 17 Are CLK and DATA obtained at IC251 pin 42 43 NO Is 5V obtained at IC251 pin 40 Replace IC251 YES YES Is 12V obtained at IC251 pin 34 NO YES Check...

Страница 22: ...SC signal at P401 pin 2 Replace IC251 YES HEAD CLEANING YES D No NORMAL AUDIO playback PLAY MODE Is Playback Audio signal at IC301 pin 11 Replace IC251 YES NO NO Is there Playback Normal Audio signal...

Страница 23: ...there recording signal at IC251 pin 21 Check Input LINE1 JACK Check Input LINE2 JACK Check ICD03 DVD Check signal flow circuit YES NO NO NO Signal at IC251 pin 21 is transferred to IC301 pin 13 15 17...

Страница 24: ...1 43 520mVp p 100mV 5usec REC IC301 43 520mVp p 100mV 5usec PLAY IC301 21 600mVp p 200mV 2msec cm PLAY SP VIDEOSWTRIG IC301 21 350mVp p 200mV 2msec cm PLAY EP VIDEOSWTRIG IC301 67 4 6Vp p 2V 10usec cm...

Страница 25: ...sec cm REC IC301 100 2 3Vp p 0 5V 0 5msec cm REC 1 IC301 8 120mVp p 50mV 0 5msec cm PLAY 2 P202 2 75Vp p 10V 20 sec cm REC 3 IC251 2 80mVp p 20mV 0 5msec EE REC PLAY 4 IC251 24 200mVp p 50mV 0 5msec E...

Страница 26: ...IC601 77 5Vp p 2V 5 sec cm REC PLAY 0 IC601 76 5Vp p 2V 5 sec cm REC PLAY IC601 94 3Vp p 1V 5msec cm REC IC601 97 4 4Vp p 1V 5msec cm PLAY IC601 90 25Vp p 5Vp p 1V 5msec cm REC PLAY IC601 87 2 5Vp p...

Страница 27: ...26 CIRCUIT DIAGRAM 1 POWER SUPPLY CIRCUIT DIAGRAM...

Страница 28: ...27 CIRCUIT DIAGRAM 2 SERVO SYSCON CIRCUIT DIAGRAM VCR AM REC COPY C dts T DVD...

Страница 29: ...28 CIRCUIT DIAGRAM 3 VIDEO AUDIO CIRCUIT DIAGRAM...

Страница 30: ...29 4 HiFi SW INPUT CIRCUIT DIAGRAM CIRCUIT DIAGRAM...

Страница 31: ...30 CIRCUIT DIAGRAM 5 PIF CIRCUIT DIAGRAM...

Страница 32: ...31 CIRCUIT DIAGRAM 6 DVD CIRCUIT DIAGRAM...

Страница 33: ...32 CIRCUIT DIAGRAM...

Страница 34: ...33 CIRCUIT DIAGRAM...

Страница 35: ...34 CIRCUIT DIAGRAM...

Страница 36: ...35 CIRCUIT DIAGRAM...

Страница 37: ...36 PCB CIRCUIT BOARD 1 1 VCR MAIN...

Страница 38: ...37 PCB CIRCUIT BOARD 1 2 POWER...

Страница 39: ...38 PCB CIRCUIT BOARD 1 3 DVD MAIN...

Страница 40: ...all disassembly procedures in the order presented When reassembling use the reverse procedure Make sure that all leads wiring are routed correctly when reassembling FIG 1 A TOP COVER REMOVAL Remove tw...

Страница 41: ...NEL FRONT DISASSEMBLY C LOGIC PCB DISASSEMBLY FIG 2 FIG 3 Remove 3 Hooks at bottom Remove 2 Hooks at left and right sides Simultaneously remove panel Remove 2 screws then remove Logic INSTRUMENT DISAS...

Страница 42: ...41 INSTRUMENT DISASSEMBLY FIG 4 D DECK AND MAIN PARTS DISASSEMBLY Remove 6 screws then remove DECK Remove 4 screws then remove LOADER Remove 3 screws then remove POWER PCB...

Страница 43: ...42 INSTRUMENT DISASSEMBLY FIG 5 E MAIN PCB DISASSEMBLY Remove 2 screws then remove MAIN PCB Remove 2 screws...

Страница 44: ...43 INSTRUMENT DISASSEMBLY F MAIN CHASSIS DISASSEMBLY FIG 6 Remove 4 screws then remove MAIN...

Страница 45: ...44 INSTRUMENT DISASSEMBLY G Explode view...

Страница 46: ...CHIPCERA 25VY5V0 1MFZ1608 C058 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 C060 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 C062 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 C067 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 C1...

Страница 47: ...C641 HCBK102KBA CCHIPCERA 50VX7R1000PFK1608 C698 HCQK330JBA CCHIPCERA 50VCH33PFJ1608 C699 HCQK330JBA CCHIPCERA 50VCH33PFJ1608 C888 HCFH223ZBA CCHIPCERA 25VY5V0 022MFZ1608 CD06 HCBK471KBA CCHIPCERA 50...

Страница 48: ...1 HRFS103JBA RCHIP 1 16 10KOHMJ1608 R515 HRFS222JBA RCHIP 1 16 2 2KOHMJ1608 R516 HRFS103JBA RCHIP 1 16 10KOHMJ1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK R517 HRFS102JBA RCHIP 1 16 1KOHMJ1608 R5...

Страница 49: ...M47MF 5X7 TP LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK C208 CEXF1H479A CELECTRO 50VRSM4 7MF4X7 C210 CEXF1C220A CELECTRO 16VRSM22MF 5X7 C213 CEXF1H478A CELECTRO 50VRSM0 47MF4X7 C214 CEXF1C330A CELEC...

Страница 50: ...T COILPEAKING 100UH BRN BRN LD51 5CPX100J2T COILPEAKING 10UH BRN BLK Q201 TZTC3198Y TRANSISTOR KTC3198Y 1815Y AUTO Q203 TZTC3202Y TR KTC3202Y AUTO 1959Y LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK Q2...

Страница 51: ...5CPZ229K02 COILPEAKING 2 2UHK AXIAL 3 5MM L526 5CPZ100K02 COILPEAKING 10UHK AXIAL3 5MM LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK L602 5CPZ229K02 COILPEAKING 2 2UHK AXIAL 3 5MM L604 5CPZ229K02 COILP...

Страница 52: ...MJ LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK RD21 RD AZ302J RCARBONFILM 1 63KOHMJ RD22 RD AZ221J RCARBONFILM 1 6220OHMJ RD26 RD AZ303J RCARBONFILM 1 630KOHMJ RD27 RD AZ104J RCARBONFILM 1 6100KOHMJ...

Страница 53: ...V0 1MFZ1608 CC42 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CC43 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK CC44 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CC45 HCFH104ZB...

Страница 54: ...16 1KOHMJ1608 RA18 HRFS220JBA RCHIP 1 16W22OHMJ1608 RA20 HRFS512JBA RCHIP 1 16 5 1KOHMJ1608 RA22 HRFS000 BA RCHIP 1 16 0OHM1608 RA23 HRFS000 BA RCHIP 1 16 0OHM1608 LOC PARTS_CODE PARTS_NAME PARTS_DESC...

Страница 55: ...JBA RCHIP 1 16 6 8OHMJ1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK RP03 HRFS689JBA RCHIP 1 16 6 8OHMJ1608 RP04 HRFS689JBA RCHIP 1 16 6 8OHMJ1608 UL01 97Q65288DA PCBDVD 245X246X1 6T 4 CEM 3 Z0012...

Страница 56: ...L805 5PB13857 COILBEAD BI3857 AXIAL R803 RD 4Z394JS RCARBONFILM 1 4390KOHMJSMALL R804 RD 4Z394JS RCARBONFILM 1 4390KOHMJSMALL R805 RD AZ103J RCARBONFILM 1 610KOHMJ R807 RD 2Z820JS RCARBONFILM 1 282OHM...

Страница 57: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp...

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