DAEWOO ELECTRONICS DF-4501PN, Service Manual

Page 1: ...Service Manual DVDR VCR Combi MODEL DF 4501PN DF 4700PN DRV 6705 S DRV 6702S DRV 6402S DRV 6502S DRV 6815 Sep 2007 DF 4501PN VE2 5 COMBO SVC 2007 10 9 12 59 PM i mac001 1200DPI 80LPI SM NO DF4501P001...

Page 2: ...2 TROUBLE SHOOTING 3 WAVEFORMS 24 BLOCK DIAGRAM 27 CIRCUIT DIAGRAM 28 PCB CIRCUIT BOARD 46 INSTRUMENT DISASSEMBLY 50 ELECTRICAL PARTSLIST 51 CONTENTS DF 4501PN VE2 5 COMBO SVC 2007 10 9 12 59 PM 1 mac...

Page 3: ...y response DVD PCM 48 kHz 8 Hz to 22 kHz CD 8 Hz to 20 kHz Video S N More than 60 dB Audio S N More than 90 dB Harmonic distortion Less than 0 06 Dynamic range More than 90 dB Resolution Over 500 line...

Page 4: ...TROUBLESHOOTING 3 1 No output voltage of POWER CIRCUIT get input DC 200 240 Valtage 1 POWER CIRCUIT DF 4501PN VE2 5 COMBO SVC 2007 10 9 12 59 PM 3 mac001 1200DPI 80LPI...

Page 5: ...4 TROUBLESHOOTING 2 SYSTEM CIRCUIT DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 0 PM 4 mac001 1200DPI 80LPI...

Page 6: ...5 TROUBLESHOOTING P303 Check REMOCON_IN Pin13 DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 0 PM 5 mac001 1200DPI 80LPI...

Page 7: ...6 TROUBLESHOOTING PC01 ICC01 2 Check ICC01 CC12 CC13 MT8108 RM43 RN20 B Digital Board Mpeg DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 0 PM 6 mac001 1200DPI 80LPI...

Page 8: ...ng tape Re adjust the height of AC HEAD Remove the dust Check C510 R545 R547 IC 501 pin 94 95 97 NO Re adjust PATH C 1 Bad playback quality 1 YES YES YES YES Noise appears on the Full playback screen...

Page 9: ...output at TMI RF101 pin 16 19 normal Check ICN01 Check IC301 Check P302 YES YES NO NO NO Is Video Signal input atIC301 pin 56 Is there Video output at P302 pin 5 Check TMI RF101 Block NO Check Video B...

Page 10: ...arts of Loading Motor Replace Loading Motor Check D825 and POWER circuit E No CASSETTE Loading YES YES F AUTO STOP in Playback mode VCR stops automatically in playback mode Check R544 C516 and P501 pi...

Page 11: ...P501 Connector and Capstan Motor Check EVER 14V D825 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 N...

Page 12: ...Check 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 21 of P302 YES NO Check PCB Pattern Is signal output fr...

Page 13: ...O 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 IC501 pin 18 Clean head or Replace head Check P...

Page 14: ...SHOOTING 2 No DVD Playback Picture Check RC17 Digital board Check R385 R386 R387 R400 R404 Analog board CN63 and CN64 2 No DVD Playback Picture DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 0 PM 13 mac001 120...

Page 15: ...n 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 signal output fr...

Page 16: ...eck RC17 Digital board Check R385 R386 R387 R400 R404 Analog board at 254 CC20 and PC02 21 CN63 and CN64 APD 15 0 of ICN01 Replace ICN01 n 69 70 71 72 CD05 and CD06 2 DVD Part DF 4501PN VE2 5 COMBO SV...

Page 17: ...1 pin 42 43 NO Is Audio signal output at ICD02 1 7 Replace IC251 YES YES Is Audio signal output at ICA02 7 10 NO NO YES Check ICA02 YES Is there SIF signal at PC02 23 in RF mode Check RF101 NO Is ther...

Page 18: ...3 13 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 POWER c...

Page 19: ...3 13 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 Check POWER c...

Page 20: ...pin 3 13 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 Check POW...

Page 21: ...20 TROUBLESHOOTING e No sound in DVD Play mode and No VCR Sound Digital Board f No Sound in E E Mode Digital Board DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 0 PM 20 mac001 1200DPI 80LPI...

Page 22: ...pin 21 Check Input SCART JACK Check Input Front JACK Check ICD02 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 is about...

Page 23: ...NO NO Is FM OSC signal at P401 pin 2 Replace IC251 YES HEAD CLEANING YES Is Playback Audio signal at IC301 pin 11 Replace IC251 YES NO NO Is there Playback Normal Audio signal at IC251 pin 16 17 Check...

Page 24: ...Is Audio signal at IC251 pin 41 Is Audio signal output at IC602 pin 3 13 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 Replac...

Page 25: ...Is Audio signal at IC251 pin 41 Is Audio signal output at IC602 pin 3 13 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 Repla...

Page 26: ...01 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 6Vp p 2V 10u...

Page 27: ...ec cm REC 1 IC301 8 120mVp p 50mV 0 5msec cm PLAY 2 P202 1 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 p 0 5V 1msec REC...

Page 28: ...LAY 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...

Page 29: ...27 BLOCK DIAGRAM DVDR VCR BLOCK DIAGRAM DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM aa mac001 1200DPI 80LPI...

Page 30: ...28 CIRCUIT DIAGRAM 1 SERVO SYSCON SCHEMATIC DIAGRAM VE2 5PAL RW COMBO DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM ac mac001 1200DPI 80LPI...

Page 31: ...29 CIRCUIT DIAGRAM 2 AV IC SCHEMATIC DIAGRAM VE2 5 PAL RW COMBO DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM ae mac001 1200DPI 80LPI...

Page 32: ...30 CIRCUIT DIAGRAM 3 Hi Fi SW IN OUT CIRCUIT SCHEMATIC DIAGRAM VE2 5 PAL RW COMBO DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM ag mac001 1200DPI 80LPI...

Page 33: ...31 4 AUDIO AMP VIDEO BUFFER SCHEMATIC DIAGRAM VE2 5 PAL RW COMBO CIRCUIT DIAGRAM DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM ai mac001 1200DPI 80LPI...

Page 34: ...32 CIRCUIT DIAGRAM 5 FRONT PART SCHEMATIC DIAGRAM VE2 5 PAL RW COMBO DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM ak mac001 1200DPI 80LPI...

Page 35: ...33 CIRCUIT DIAGRAM 6 TUNER SCHEMATIC DIAGRAM VE2 5 PAL RW COMBO DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM am mac001 1200DPI 80LPI...

Page 36: ...34 CIRCUIT DIAGRAM 7 POWER SUPPLY SCHEMATIC DIAGRAM VE2 5 PAL RW COMBO DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM ao mac001 1200DPI 80LPI...

Page 37: ...om of PCB layout ADJ GND 1 OUT 2 IN 3 ICC02 AAC1117 2 5 SOT223 SMD ICC02 AAC1117 2 5 SOT223 SMD GND 1 RESET 2 VCC 3 POR ICC01 G691L293T73U NC POR ICC01 G691L293T73U NC LC02 FB 2012 LC02 FB 2012 LC04 F...

Page 38: ...1 D2 33 D3 35 A9 7 CE 26 D4 38 D5 40 D6 42 D7 44 D8 30 D9 32 A20 10 D11 36 D12 39 D13 41 D14 43 D15 45 VCC 37 GND1 27 WE 11 RY BY 15 D10 34 GND2 46 A10 6 A12 4 A11 5 A13 3 A14 2 A15 1 A16 48 A17 17 NC...

Page 39: ...8 RM36 33x4 RM36 33x4 RN21 33 RN21 33 CM47 0 1uF CM47 0 1uF 1 2 3 4 5 6 7 8 RM52 75x4 RM52 75x4 CN26 0 1uF CN26 0 1uF CM25 0 1uF CM25 0 1uF CM53 0 1uF CM53 0 1uF CM36 0 1uF CM36 0 1uF DVSS2_1 107 DVDD...

Page 40: ...00 5518_Y_IN 5518_Y_IN RN81 0 RN81 0 5518_TXD 5518_TXD CN46 0 1uF CN46 0 1uF TP20 TP20 CN45 10uF 10V CN45 10uF 10V TP15 TP15 CN42 0 1uF CN42 0 1uF MCIN 210 APLL_CAP_1 94 AVDD_3 199 AVDD_1 190 AVDD_4 2...

Page 41: ...RA19 100 RA19 100 RA18 100 RA18 100 RA20 100 RA20 100 RA27 22 RA27 22 RA21 100 RA21 100 RA24 4 7K RA24 4 7K CA07 0 1uF CA07 0 1uF RA11 1 2K RA11 1 2K RA09 22 RA09 22 RA08 22 RA08 22 RA02 10K RA02 10K...

Page 42: ...1 5pF NC 1 3 2 QN60 2N3904 NC QN60 2N3904 NC RN78 0 NC RN78 0 NC CD02 220pF CD02 220pF CN62 22pF CN62 22pF RxD_ICE RxD_ICE RN79 0 NC RN79 0 NC RN76 0 RN76 0 GND 1 IN1 2 IN2 3 EN 4 OUT1 6 OUT2 7 OUT3 8...

Page 43: ...DAEWOO ELECTRONICS MultiMedia Lab DV 2 Team MP C M Yoo Y S Lee H Y Yang H Y Yang A7 CONN LED HDMI IDE 7 10 Monday August 13 2007 These TPs should be placed at the bottom of PCB layout R COMBO DTT OPT...

Page 44: ...Y Yang B1 POWER SDRAM 8 10 Monday August 13 2007 H Y Yang SST25VF080 GND SHIELDING RF24 22 RF24 22 NC1 NC1 NO7 NO7 1 2 3 4 5 6 7 8 RF20 22x4 RF20 22x4 RF23 33 RF23 33 CF21 47uF 16V CF21 47uF 16V NO2...

Page 45: ...08 BD7956FS H251 H251 H259 H259 CF52 NC CF52 NC H225 H225 TP55 TP55 H246 H246 TP108 TP108 B 1 B 1 CF44 0 1uF CF44 0 1uF H181 H181 H177 H177 H149 H149 H202 H202 H227 H227 H253 H253 H126 H126 H244 H244...

Page 46: ...1 CS51 0 1uF CS51 0 1uF CS08 0 1uF CS08 0 1uF CS64 0 1uF CS64 0 1uF M2 M2 RS51 3 3K RS51 3 3K CS36 0 1uF CS36 0 1uF RS55 0 NC RS55 0 NC FMSO1 FMSO1 1 2 3 4 R A PF01 4x1 W HOUSING R A CN1MP04 2 0 R A P...

Page 47: ...7K CH12 10uF 16V CH12 10uF 16V VREF VREF CH32 0 1uF CH32 0 1uF RH36 10 RH36 10 R_Y R_Y CH17 0 01uF CH17 0 01uF CH35 0 1uF CH35 0 1uF RH15 4 7K RH15 4 7K RH33 100 RH33 100 CH27 22uF 6 3V CH27 22uF 6 3V...

Page 48: ...46 PCB CIRCUIT BOARD 1 MAIN Analog board PCB DF 4501PN VE2 5 COMBO SVC 2007 10 10 1 4 PM bm mac001 1200DPI 80LPI...

Page 49: ...2 POWER PCB PCB CIRCUIT BOARD 47 DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM bo mac001 1200DPI 80LPI...

Page 50: ...48 PCB CIRCUIT BOARD 3 Mpeg Digital board PCB TOP BOTTOM DF 4501PN VE2 5 COMBO SVC 2007 10 10 1 4 PM bq mac001 1200DPI 80LPI...

Page 51: ...49 PCB CIRCUIT BOARD 4 HDMI PCB TOP BOTTOM DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM bs mac001 1200DPI 80LPI...

Page 52: ...50 INSTRUMENT DISASSEMBLY DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 1 PM bu mac001 1200DPI 80LPI...

Page 53: ...08 CA09 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CA10 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CA12 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CA21 HCBK182KBA CCHIPCERA X7R50V1800PFK1608 CA22 HCBK182KBA CCHIPCER...

Page 54: ...04ZBA CCHIPCERA 25VY5V0 1MFZ1608 CN41 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK CN42 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 CN43 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1...

Page 55: ...IP 1 80OHM3216 LF02 HRF8000 EA RCHIP 1 80OHM3216 LF03 HRF8000 EA RCHIP 1 80OHM3216 LF04 HRF8000 EA RCHIP 1 80OHM3216 LF05 HRFT000 CA RCHIP 1 100OHM2012 LF06 HRFT000 CA RCHIP 1 100OHM2012 LOC PARTSCODE...

Page 56: ...675OHMJ8PIN3216 RM50 HRTS8E750J RCHIPARRAY 1 1675OHMJ8PIN3216 RM51 HRTS8E750J RCHIPARRAY 1 1675OHMJ8PIN3216 RM52 HRTS8E750J RCHIPARRAY 1 1675OHMJ8PIN3216 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK RM53...

Page 57: ...P DVOPTION JK703 97P62Z10X4 CONNUSB USB4PST USBOPTION LOC PARTSCODE PARTSNAME PARTSDESCR REMARK M401 97P0478200 CASESHIPREAMP ETT0 4 P201 97P62Y1318 CONNWAFER DVW250PLUG2 5MM8P P202 97P62K03B2 CONNWAF...

Page 58: ...5 HCQK330JBA CCHIPCERA 50VCH33PFJ1608 C916 HCQK300JBA CCHIPCERA 50VCH30PFJ1608 C917 HCQK300JBA CCHIPCERA 50VCH30PFJ1608 C918 HCQK300JBA CCHIPCERA 50VCH30PFJ1608 CD03 HCBK391KBA CCHIPCERA 50VX7R390PFK1...

Page 59: ...100V0 033MFJ TP C227 CEXE1A470N CELECTRO 10VRBD47MF5X11 C228 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP C261 CEXF1C100A CELECTRO 16VRSM10MF5X7 C262 CEXF1C100A CELECTRO 16VRSM10MF5X7 C263 CEXF1C100A CELECTR...

Page 60: ...A9 5MAUTO SW7D1 5S50101Z90 SWTACT THVV502GDA SW7D2 5S50101Z90 SWTACT THVV502GDA SW7D3 5S50101Z90 SWTACT THVV502GDA SW7D4 5S50101Z90 SWTACT THVV502GDA LOC PARTSCODE PARTSNAME PARTSDESCR REMARK SW7D5 5S...

Page 61: ...CARBONFILM 1 66 8KOHMJ R325 RD AZ122J RCARBONFILM 1 61 2KOHMJ R329 RD AZ102J RCARBONFILM 1 61KOHMJ R330 RD AZ223J RCARBONFILM 1 622KOHMJ LOC PARTSCODE PARTSNAME PARTSDESCR REMARK R331 RD AZ103J RCARBO...

Page 62: ...MIOPTION CH29 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 HDMIOPTION CH30 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 HDMIOPTION CH31 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 HDMIOPTION CH32 HCFH104ZBA CCHIPCERA 25V...

Page 63: ...HER108S DIODE HER108SA 405TYPE D803 DZF1T4 DIODEFR F1T4400V1A1 2VFR 1 D804 DZUZ6R8BSC DIODEZENER UZ 6 8BSC 6 70 6 97 LOC PARTSCODE PARTSNAME PARTSDESCR REMARK D826 DZF1T4 DIODEFR F1T4400V1A1 2VFR 1 D8...

Page 64: ...DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA PRINTED DATE SEP 2008 DF 4501PN VE2 5 COMBO SVC 2007 10 9 1 0 PM 62 mac001 1200DPI 80LPI...