DAEWOO ELECTRONICS DC-F841DS Service Manual Download

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ELECTRICAL PARTSLIST

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Summary of Contents for DC-F841DS

Page 1: ...ervice Manual MODEL DC F84D1D DC F84D1S DC F8GD1D DC F8GD1S DC F8HD1D DC F8HD1P DC F8HD1S SF 7200 SF 7500 SF 9200S SF 9300 SF 9300P SF 9300S SF 9500P SF 9500S All manuals and user guides at all guides...

Page 2: ...IONS 2 ADVANTAGES OF THIS PRODUCT 3 TROUBLE SHOOTING 5 WAVEFORMS 23 CIRCUIT DIAGRAM 26 PCB CIRCUIT BOARD 35 INSTRUMENT DISASSEMBLY 39 ELECTRICAL PARTSLIST 45 CONTENTS All manuals and user guides at al...

Page 3: ...tput 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 DVD and VCR Audio output terminal 2 kinds 5 8...

Page 4: ...d effect using 2 speakers High bit High sampling with 27MHz 10bit video encoder High bit High sampling with 96MHz 24bit Audio D A Converter Coaxial digital Audio output PCM Dolby Digital dts You can e...

Page 5: ...f audio languages depends on the software Multi Subtitle function DVD The subtitle can be seem in up to 32 languages In the case of SVCD or VCD it depends on the disc The number of subtitle languages...

Page 6: ...ained at C804 Output voltage of 2nd parts is normal Check rectifier diode of 2nd parts D821 D822 D823 D824 D825 D826 D827 Switching pulse of Q801 collector is normal OK Exchange POWER CORD Check F801...

Page 7: ...in 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 PORT of IC701 YES SEG o...

Page 8: ...ugh 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 appears on the Full playba...

Page 9: ...output at TMI RF101 pin 16 19 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 RF101 Block NO Check Vi...

Page 10: ...ach 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 Check R544 C516 and P5...

Page 11: ...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 voltage obtained at P501 pin 8 YES NO NO...

Page 12: ...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 from pin 52 of IC501 YES N...

Page 13: ...ame 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 IC501 pin 18 Clean head or Replace head Check POWE...

Page 14: ...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 Is luminance and color...

Page 15: ...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 PD01 pin 5 Is signal at...

Page 16: ...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 SIF signal at IC051 pin 2 in RF mod...

Page 17: ...o 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 POWER circuit YES R...

Page 18: ...o 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 Check POWER circuit YES R...

Page 19: ...19P or 11P Fix the FFC 19P or 11P 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...

Page 20: ...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 YES YES NO e FRONT E E N...

Page 21: ...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 POWER circuit YES Replace IC601 Co...

Page 22: ...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 at IC251 pin 17 18 Chec...

Page 23: ...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 Collect signal at C222...

Page 24: ...ec 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 REC PLAY IC301 67 4 6V...

Page 25: ...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 EE REC 5 IC251 34 1 4Vp...

Page 26: ...Y 0 IC501 76 5Vp p 2V 5 sec cm REC PLAY IC501 94 3Vp p 1V 5msec cm REC IC501 97 4 4Vp p 1V 5msec cm PLAY IC501 90 25Vp p 5Vp p 1V 5msec cm REC PLAY IC501 87 2 5Vp p 1V 0 2msec cm REC PLAY Q IC501 38 2...

Page 27: ...26 CIRCUIT DIAGRAM 1 POWER CIRCUIT DIAGRAM All manuals and user guides at all guides com...

Page 28: ...27 CIRCUIT DIAGRAM 2 SERVO SYSCON CIRCUIT DIAGRAM All manuals and user guides at all guides com...

Page 29: ...28 CIRCUIT DIAGRAM 3 A V CIRCUIT DIAGRAM All manuals and user guides at all guides com...

Page 30: ...29 4 HiFi SW INPUT CIRCUIT DIAGRAM CIRCUIT DIAGRAM All manuals and user guides at all guides com...

Page 31: ...30 CIRCUIT DIAGRAM 5 HI FI PIF INPUT CIRCUIT DIAGRAM All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 32: ...VDD3 RFVDD3 RFV33 APLLVDD3 DACVDD3 AADVDD3 FVCC DV33 RFV18 DV33 LP12 FB CP21 0 1uF IC18 BD5229G 1 2 3 4 5 RST INPUT GND NC CD CE12 100uF 16V CE11 220uF 6 3V LP19 FB CF27 0 1uF DP11 1SR154 400 CP22 0 1...

Page 33: ...33 0 1uF IC14B 74HCU04 3 4 14 7 CA25 20p TP34 CA16 C NC CE40 100uF 16V RA52 0 RA53 0 TP11 CA17 0 1uF CA19 330pF RA26 15K CP31 0 1uF TP1 CA39 0 033uF CP32 0 1uF CA24 0 1uF RA15 10K CA13 1uF CA34 0 047u...

Page 34: ...2 15 7 14 13 21 19 20 24 27 6 4 5 28 8 11 17 18 16 23 22 25 26 29 30 FWD VOL VOL VO2 CTL REV VO4 SVCC VO1 VO1 MUTE GND PVCC2 VDET REB IN2 PS IN1 BIAS PVCC1 VO2 VO3 VO3 VO4 IN4 IN3 RESET REO PGND1 PGN...

Page 35: ...7 EEPROM 24C16 SOP8 1 2 3 4 5 6 7 8 NC NC NC GND SDA SCL WP VCC CM21 0 1uF RM12 33 CM11 0 1uF CM18 0 1uF IC16 FLASH ROM MX29LV800 8Mb 25 24 23 22 21 20 19 18 8 10 28 47 16 29 31 33 35 7 26 38 40 42 44...

Page 36: ...V30 V33 P12V V60 DV33 RB12 33 IC13B OPA4558 5 6 7 8 4 RB29 NC CB12 0 1uF RB23 4 7K CB14 1500PF RB27 27K CB11 100pF RB26 10K IC13A OPA4558 3 2 1 8 4 RB14 33 CE36 220uF 10V CB17 100PF RB17 10K RB11 33...

Page 37: ...36 PCB CIRCUIT BOARD 1 1 VCR MAIN All manuals and user guides at all guides com...

Page 38: ...37 PCB CIRCUIT BOARD 1 2 POWER All manuals and user guides at all guides com...

Page 39: ...38 PCB CIRCUIT BOARD 1 3 DVD MAIN All manuals and user guides at all guides com...

Page 40: ...dures 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 a screws Remove three s...

Page 41: ...ASSEMBLY 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 PCB INSTRUMENT DISASSEMBLY All manuals and user guide...

Page 42: ...MENT 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 All manuals and user guides at all gu...

Page 43: ...42 INSTRUMENT DISASSEMBLY FIG 5 E MAIN PCB DISASSEMBLY Remove 2 screws then remove MAIN PCB Remove 2 screws All manuals and user guides at all guides com...

Page 44: ...43 INSTRUMENT DISASSEMBLY F MAIN CHASSIS DISASSEMBLY FIG 6 Remove 4 screws then remove MAIN CHASSIS All manuals and user guides at all guides com...

Page 45: ...MANUAL AS PVMPMSCP01 1 DC B87E1P NB 12 SCREW TAPPTITE 7173300811 2 TT2 RND 3X8 MFZN POWER PCB FIX 13 POWER PKD ASSY PVPWPKE435 1 DVD VCR COMBI VER3 0 14 CORD POWER AS 97P690091B 1 CE EU KKP 419C YFH80...

Page 46: ...ARK SW601 5SD0101100 SWDETE MXS00921MPC0 T201 560202L692 COILOSC DEO 006 X051 5XJ18R4LAE CRYSTALQUARTZ HC 49 S18 43200MHZ30PP X501 5XJ17R7LAD CRYSTALQUARTZ HC 49 S17 73447MHZ25PPM Z0011 PVMPJ1E531 MAI...

Page 47: ...CCHIPCERA 25VY5V0 022MFZ1608 C601A HCQK101JBA CCHIPCERA 50VCH100PFJ1608 C602A HCQK101JBA CCHIPCERA 50VCH100PFJ1608 C613 HCBK102KBA CCHIPCERA 50VX7R1000PFK1608 C614 HCQK331JBA CCHIPCERA 50VCH330PFJ160...

Page 48: ...18KOHMJ1608 R317 HRFS221JBA RCHIP 1 16 220OHMJ1608 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK R318 HRFS102JBA RCHIP 1 16 1KOHMJ1608 R319 HRFS105JBA RCHIP 1 16 1MOHMJ1608 R320 HRFS471JBA RCHIP 1 16 470O...

Page 49: ...5 HRF8000 EA RCHIP 1 80OHM3216 RJ016 HRFS000 BA RCHIP 1 16 0OHM1608 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK RJ017 HRFS000 BA RCHIP 1 16 0OHM1608 RJ01A HRFS000 BA RCHIP 1 16 0OHM1608 RJ01R HRFS000 BA...

Page 50: ...0MF5X7 C522 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP LOC PARTSCODE PARTSNAME PARTSDESCR REMARK C524 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP C526 CEXF1H109A CELECTRO 50VRSM1MF 4X7 TP C530 CEXF1C470A CELECTR...

Page 51: ...CZJ1H104Z CCERA 50VHIKF0 1MFZAXL 1608 C326 CCZJ1H104Z CCERA 50VHIKF0 1MFZAXL 1608 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK C329 CCZJ1H104Z CCERA 50VHIKF0 1MFZAXL 1608 C337 CBZP1C103M CCERASEMI 16VY5S...

Page 52: ...LM 1 6330OHMJ R514 RD AZ331J RCARBONFILM 1 6330OHMJ R525 RD AZ104J RCARBONFILM 1 6100KOHMJ R535 RD AZ473J RCARBONFILM 1 647KOHMJ LOC PARTSCODE PARTSNAME PARTSDESCR REMARK R537 RD AZ473J RCARBONFILM 1...

Page 53: ...Z1608 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK CA70 HCEEF101MD CCHIPELECTRO MV16V100MFM6 3DX5 7H CA72 HCEEF101MD CCHIPELECTRO MV16V100MFM6 3DX5 7H CA73 HCEEF101MD CCHIPELECTRO MV16V100MFM6 3DX5 7H CA...

Page 54: ...FS103JBA RCHIP 1 16 10KOHMJ1608 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK RB28 HRFS103JBA RCHIP 1 16 10KOHMJ1608 RB29 HRFS152JBA RCHIP 1 16 1 5KOHMJ1608 RB30 HRFS152JBA RCHIP 1 16 1 5KOHMJ1608 RB31 HR...

Page 55: ...1 16 1 2KOHMJ1608 RA85 HRFS511JBA RCHIP 1 16510OHMJ1608 RA86 HRFS511JBA RCHIP 1 16510OHMJ1608 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK RB15 HRFS472JBA RCHIP 1 16 4 7KOHMJ1608 RB19 HRFS000 BA RCHIP 1...

Page 56: ...REASE DELUXE5221G NAM YOUNG DECKAS LOC PARTSCODE PARTSNAME PARTSDESCR REMARK C822 CEXF1A221V CELECTRO 10VRSS220MF C824 CEXK1H470L CELECTRO 50V47MFKXL C827 CEXK1A471L CELECTRO 10V470UFKXL C828 CMXL1J10...

Page 57: ...8207011 SCREWTAPPTITE WASTT22 7 PI10 MFZN DRIVEUNITHOLDERASFIX NA15 97L0905200 TRAYDVD ABS GN 5006F HF 5006F NA17 97P88FBP13 CABLEFFC 1 0R23P135MM 0 035X0 65 NA18A 7173260812 SCREWTAPTITE TT2BIN2 6X8B...

Page 58: ...57 ELECTRICAL PARTSLIST All manuals and user guides at all guides com...

Page 59: ...DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA PRINTED DATE MAY 2006 All manuals and user guides at all guides com...

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