Daewoo DW-K3AD2N-DS Service Manual
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Daewoo DW-K3AD2N-DS Service Manual

Daewoo DW-K3AD2N-DS Service Manual

Daewoo dvd recorder service manual
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Service Manual

DVD Recorder

MODEL : DW-K3AD2N-DS
DW-K3BD2N-DS
DW-R631/DW-R632
✔ 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 Price List) in Service
Information Center (http://svc.dwe.co.kr).
Nov. 2006

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Summary of Contents for Daewoo DW-K3AD2N-DS

  • Page 1: Dvd Recorder

    Service Manual DVD Recorder MODEL : DW-K3AD2N-DS DW-K3BD2N-DS DW-R631/DW-R632 ✔ 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 Price List) in Service Information Center (http://svc.dwe.co.kr).

  • Page 2: Table Of Contents

    EXTERNAL VIEWS DW-K3AD2N-DS/DW-R631 DW-K3BD2N-DS/DW-R632 CONTENTS EXTERNAL VIEWS............................2 SPECIFICATIONS..............................3 BLOCK DIAGRAM.............................9 SCHEMATIC DIAGRAM ..........................18 WAVEFORMS ..............................33 VOLTAGE CHART ............................38 DISASSEMBLY..............................39 TROUBLE SHOOTING ............................43 PCB CIRCUIT BOARD ............................56 ELECTRICAL PARTSLIST ..........................64...

  • Page 3: Specifications

    SPECIFICATIONS SPECIFICATIONS...
  • Page 4 SPECIFICATIONS SPECIFICATIONS...
  • Page 5 SPECIFICATIONS SPECIFICATIONS...

  • Page 6: Block Diagram

    BLOCK DIAGRAM MAIN_PART_BLOCK_DIAGRAM S-CLOCK DVD_PART S-IN MICOM S-OUT BLOCK_DIAGRAM IC601 AUDIO_IN TV/VCR IIC_CLK IIC_DATA 4FSC(14.32MHz) LINE1_VIDEO(FROM_JACK_701) TO_TUNER FOR_REC_VIDEO(FORM_DVD_PART) IIC_CLK IIC_DATA FSC(3.58MHz) LINE2_VIDEO(FROM_JACK_101) BUFFER IC201 IC102 RF_VIDEO IC103 V-SW IC NORMAL_AUDIO (NJM4051BM) LA72702 Q210 OP_AMP_IC IIC_CLK NORMAL_AUDIO IIC_DATA A-SW JK101 JK201 JK203 JK101 JK201...
  • Page 7 BLOCK DIAGRAM Mpeg part BLOCK diagram DDRAM(256M Bit) FLASH 16M Bit AUDIO R OUT to analog board DV 1394 INPUT ADC data CS4344 TSB41AB1 Audio DAC AUDIO L OUT to analog board SPDIF OUT to analog board AUDIO R IN from analog board ADC data CS5340 MT8105...
  • Page 8 BLOCK DIAGRAM...
  • Page 9 BLOCK DIAGRAM...
  • Page 10 BLOCK DIAGRAM P201 P201 A-SW(NJM4052BM) IC101 IC201...
  • Page 11 BLOCK DIAGRAM MT8105 CODEC 24.576 MHz Crystal ICM01 ICD01 DDRAM phy chip 44 45 46 49 MHz PHY_SCLK PHY_CTL0 DV_RST# A_DQ[0..15] A_CKE PHY_CTL1 146 MHz & A_CLK PHY_D0 A_RA[0..12] A_CLK# PHY_D1 PHY_LREQ1 100 149 148 SDATA - IN SDATA - OUT SCLK MICOM S - CS...
  • Page 12 BLOCK DIAGRAM MT1888E DSP + RF ICF02 SDRAM 34 35 RA[0..10] & 68 MHz RD[0..15] 184 185 25 MHz RESET# +3 V3 ON/OFF 25 MHz Crystal ICF01 MT1888E ICF08(BD7956) FOO TRO FMO FMO2 DMO DSP + RF TRAYPWM PWMOUT FG Motor Driver APDD[0..15] 7.5 MHz...

  • Page 13: Video Block Diagram

    BLOCK DIAGRAM VIDEO Block Diagram ICM01 ICF02 DDRSDRAM SDRAM ADR/CTL DATA ADR/CTL DATA PF04(LOADER) ADR/CTL DATA ADR/CTL DATA PC02 CVBS IN ICF01 LVDS MT1888E S -VIDEO Y OUT APDD0 Disc Controller Single IDE INTERFACE Chip ICN01 HD15 APDD15 S -VIDEO C OUT MT8105GE CVBS OUT MPEG2...
  • Page 14 BLOCK DIAGRAM...

  • Page 15: Schematic Diagram

    SCHEMATIC DIAGRAM...
  • Page 16 SCHEMATIC DIAGRAM...
  • Page 17 SCHEMATIC DIAGRAM...
  • Page 18 SCHEMATIC DIAGRAM...
  • Page 19 SCHEMATIC DIAGRAM...
  • Page 20 SCHEMATIC DIAGRAM...
  • Page 21 SCHEMATIC DIAGRAM +3V3_O/F +3V3_STBY +5V_STBY +12V_O/F PC01 PC01 POWER_ON(L)_DVD [ 2 ] LC01 LC01 +3V3_O/F LC02 LC02 +3V3_STBY LC03 LC03 +5V_O/F LC04 LC04 +5V_STBY LC05 LC05 +12V_O/F 8x1 W/HOUSING 8x1 W/HOUSING CN1MP08 CN1MP08 CC33 CC33 220uF/6.3v 220uF/6.3v +3V3_STBY CC12 CC12 CC13 CC13 CC14...
  • Page 22 SCHEMATIC DIAGRAM ARSDAT ARSDAT [ 6 ] ARLRCK [ 4 ] ARLRCK [ 6 ] ARCLK ARCLK [ 6 ] ARBCK ARBCK [ 6 ] D33V DV_RST# [ 5 ] +3V3_STBY +3V3_STBY AUDIO_MUTE(H) AUDIO_MUTE(H) [ 4 ] PN01 PN01 AV33V1 ASPDIF ASPDIF [ 4 ]...
  • Page 23 SCHEMATIC DIAGRAM D1V25 D1V25 RM20 RM20 D_DQ[0..15] D_DQ[0..15] D_RA12 D1V25 D_RA11 D_RA9 A_DQ[0..15] D_RA8 CM08 CM08 CM09 CM09 CM10 CM10 CM11 CM11 CM12 CM12 CM13 CM13 CM14 CM14 CM15 CM15 [ 2 ] A_DQ[0..15] ICM01 ICM01 RM01 RM01 75x4 75x4 0.1uF 0.1uF 0.1uF...
  • Page 24 SCHEMATIC DIAGRAM PC02 PC02 PC03 PC03 Y[1..6] Y[1..6] [ 2 ] RC72 RC72 RESET# [ 2,5 ] [ 2 ] RC71 RC71 SDATA-IN [ 2 ] CVBS RC70 RC70 SDATA-OUT [ 2 ] RC69 RC69 S-CLK [ 2 ] RC68 RC68 S-CS [ 2 ]...
  • Page 25 SCHEMATIC DIAGRAM +3V3_O/F 33PHY RD07 R RD07 R 33PHY RD18 RD18 RD17 RD17 XD01 XD01 LD01 LD01 CD06 CD06 CD07 CD07 CD08 CD08 CD09 CD09 CD10 CD10 1000P 1000P 1000P 1000P 0.1uF 0.1uF 0.1uF 0.1uF 220uF/16v A 220uF/16v A 24.576MHZ 24.576MHZ CD03 CD03...
  • Page 26 SCHEMATIC DIAGRAM AUDIO ADC +3V3_O/F ADC_VCC ADC_VCC LA04 LA04 ADC_VCC CA03 CA03 0.1uF 0.1uF ADC_VCC LA01 LA01 RA01 RA01 LA02 LA02 10uH 10uH CA01 CA01 CA02 CA02 CA04 CA04 CA05 CA05 10uH 10uH ADC_VCC 1uF/50V 1uF/50V 0.1uF 0.1uF 0.1uF 0.1uF 200uF/6.3V 200uF/6.3V LA05...
  • Page 27 SCHEMATIC DIAGRAM +3V3_O/F D3.3V A3.3V LF05 LF05 LF01 LF01 FB/2012 FB/2012 D3.3V FB/2012 FB/2012 D3.3V D1.8V ICF10 ICF10 CF05 CF05 CF06 CF06 CF07 CF07 47uF/16v 47uF/16v 0.1uF 0.1uF 220uF/16v 220uF/16v DVCC LF02 LF02 FB/2012 FB/2012 AVCC ADJ/GND CF01 CF01 CF02 CF02 CF03 CF03...
  • Page 28 SCHEMATIC DIAGRAM PF05 PF05 MVCC PF02 PF02 TRAYOUT# [ 9 ] TRAYIN# [ 9 ] LOAD- RF46 RF46 LOAD+ CF47 NC CF47 NC MVCC CF46 CF46 CF48 NC CF48 NC 0.1uF 0.1uF 5x1 W/HOUSING 5x1 W/HOUSING CN5FA05(2.0MM) CN5FA05(2.0MM) RF47 RF47 CF44 CF44 CF45...
  • Page 29 SCHEMATIC DIAGRAM CFREQ1 CFREQ1 D1.8V D3.3V D3.3V D1.8V D3.3V D3.3V A3.3V HRST# RS17 RS17 PIDERST# RS32 RS32 RS18 RS18 APDD7 CS41 CS41 33x4 33x4 APDD8 CS39 CS39 CS40 CS40 0.01uF 0.01uF APDD6 0.1uF 0.1uF 2.2uF 2.2uF APDD9 RS19 RS19 APDD5 HD10 33x4 33x4...

  • Page 30: Waveforms

    WAVEFORMS WAVEFORMS 1. VIDEO 1. SYSTEM WAVEFORMS % ) 2.0Vp-p & ) 2.0Vp-p (P201- ) 2.0Vp-p (P201- (P201- g ) 4.8Vp-p (IC601- < ICC03 : +1.8Voltage > < ICC02 : +2.5Voltage > < ICM02 : +1.25Voltage > 500mV/10usec/cm 500mV/10usec 500mV/10usec 1V/20usec REC(S-Y) REC(V-OUT)
  • Page 31 WAVEFORMS WAVEFORMS 3. Audio WAVEFORMS(Test Signal : 1KHz Sinewave) 2. VIDEO WAVEFORMS(Test Signal : 100% Color Bar) < ADC Audio Input : ICA01.10&12 > < DAC Audio Output < COAXIAL Output : PC02.25 > : ICA02.7&10 > < CVBS IN : ICN01.256 > <...

  • Page 32: Voltage Chart

    VOLTAGE CHARTS WAVEFORMS 1. SW & MTS IC VOLTAGE CHART MODE V-SW(IC102) MODE MTS(IC103) PIN No. STOP PLAY PIN No. STOP PLAY 12.3 12.3 12.3 MODE A-SW(IC101) PIN No. STOP PLAY 12.3 12.2 12.2 OP AMP & SYNC SEP VOLTAGE CHART MODE IC SYNC SEP(IC104) MODE...

  • Page 33: Disassembly

    DISASSEMBLY DISASSEMBLY DW-K3AD2N-DS DW-K3AD2N-DS...
  • Page 34 DISASSEMBLY DISASSEMBLY DW-K3BD2N-DS DW-K3BD2N-DS...

  • Page 35: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING 1. Power Board Debug 2. Analog Board Debug 2. SYSTEM CIRCUIT a. SYSTEM part 1) LED display A. LED DISPLAY No LED display. D806~D809 Is 5V obtained at IC701 Check L703, pin#6 of PJ701 pin # 9, 25? Oscillation at IC701 pin #1? Exchange IC701.
  • Page 36 TROUBLESHOOTING TROUBLESHOOTING 3. VIDEO circuit 2) No broadcasting signal received B. No broadcasting signal received b. Video part No broadcasting signal A. EE screen doesn't appear received 1) EE screen does not appear Is the output at IC601 pin# 71(CLK), Check IC 601.
  • Page 37 TROUBLESHOOTING TROUBLESHOOTING c. Audio part 2) DVD picture(Component & S-Video) does not appear 1) No sound in EE mode...
  • Page 38 TROUBLESHOOTING TROUBLESHOOTING b. Video part Debug 3. Mpeg Board Debug 1) EE screen does not appear a. SYSTEM part No EE Mode Picture Is there video input signal Check CC51 and PC02. Check Analog Board. at pin256 of ICN01? Is there video output signal Check RC51,RC52, Check XN01,CN17 and CN18.
  • Page 39 TROUBLESHOOTING TROUBLESHOOTING c. Audio part 1) No sound in DVD playback mode and No VCR sound 3) Can not Record at DVD No Record Is there video input signal at Check Analog Board. Check CC51 and PC02. pin 256 of ICN01? Check RC51,RC52, Is there signal at XN01? Check XN01,CN17 and CN18...
  • Page 40 TROUBLESHOOTING TROUBLESHOOTING d. Front End Circuit 3) SLED does not move 1) Front End cannot boot up >> As soon as display RF Ch, Set hang up. Is there SLIN1and SLIN2 Check LDIN signal at pin46 of signal at pin29 and Check RF38 and RF39.

  • Page 41: Pcb Circuit Board

    PCB CIRCUIT BOARD TROUBLESHOOTING • Analog Board parts 4. MIC(Karaoke)Board Debug NO SOUND Is there Audio singal Check C293,C283 and at pin#1,7 of Output board’S JK201 PIN#1.3 IC202? Is there Audio singal Check IC202,C282,C292, at pin#2,6 of Output board’s R282 and R292 IC202? Is there Audio singal at pin#2 Check P202,PJ901...
  • Page 42 PCB CIRCUIT BOARD PCB CIRCUIT BOARD ¥ Front pannel parts • Power Board parts 1. DW-K3AD2N-DS/DW-R631...
  • Page 43 PCB CIRCUIT BOARD PCB CIRCUIT BOARD 2. DW-K3BD2N-DS/DW-R632 • Mpeg SYSTEM parts...
  • Page 44 PCB CIRCUIT BOARD PCB CIRCUIT BOARD • Mpeg Video parts • Mpeg Audio parts...

  • Page 45: Electrical Partslist

    CRYSTAL QUARTZ HC-49/S 14.31818MHZ 30PPM L106 HLB600M06A L CHIP BEAD 60 OHM MPZ 1608 Z0011 PVMPJ1N799 MAIN CHIP MOUNT BT AS DW-K3AD2N-DS L108 HLB600M06A L CHIP BEAD 60 OHM MPZ 1608 C108 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608...
  • Page 46 R CHIP 1/16 4.7K OHM J 1608 R299 HRFS104JBA R CHIP 1/16 100K OHM J 1608 Z0012 PVMPJRN799 PCB MAIN RADIAL AS DW-K3AD2N-DS C299 CEXF1H479A C ELECTRO 50V RSM 4.7MF 4X7 R140 HRFS331JBA R CHIP 1/16 330 OHM J 1608...
  • Page 47 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING JP708 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING Z0014 PVMPJVN799 PCB MAIN JUMP ONLY AS DW-K3AD2N-DS(505MA) JP058 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING JP203 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING JP709...
  • Page 48 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK CM43 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 CN53 HCFH104ZBA C CHIP CERA...
  • Page 49 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK CS54 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 LN02 HRFT000-CA R CHIP...
  • Page 50 HRFS103JBA R CHIP 1/16 10K OHM J 1608 CN24 CEXF1C100A C ELECTRO 16V RSM 10MF 5X7 Z0072 PVJMJAN799 PCB JACK AXIAL AS DW-K3AD2N-DS VA802 D1NR10D471 VARISTOR 1NR10D471K RS58 HRFS102JBA R CHIP 1/16 1K OHM J 1608 CN25 CEXE0J221S C ELECTRO 6.3V RSA 220MF 6.3X7...
  • Page 51 L202 HLB600M06A L CHIP BEAD 60 OHM MPZ 1608 PVMCASN800 CHASSIS MAIN AS DW-K3BD2N-DS Z0011 PVMPJ1N799 MAIN CHIP MOUNT BT AS DW-K3AD2N-DS R218 HRFS471JBA R CHIP 1/16 470 OHM J 1608 L203 HLB600M06A L CHIP BEAD 60 OHM MPZ 1608...
  • Page 52 CEXF1C470A C ELECTRO 16V RSM 47MF (5X7) TP C616 CEXF1C470A C ELECTRO 16V RSM 47MF (5X7) TP Z0014 PVMPJVN799 PCB MAIN JUMP ONLY AS DW-K3AD2N-DS(505MA) R605 HRFS102JBA R CHIP 1/16 1K OHM J 1608 C106 CEXF1C470A C ELECTRO 16V RSM 47MF (5X7) TP...
  • Page 53 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK D702 DZN4148 - DIODE 1N4148 AUTO 52MM XN01 5XJ27R00AC CRYSTAL QUARTZ HC-49/S 27.000MHZ 15PF 20PPM...
  • Page 54 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK CF30 HCFH104ZBA C CHIP CERA 25V Y5V 0.1MF Z 1608 CM42 HCFH104ZBA C CHIP CERA...
  • Page 55 ELECTRICAL PARTSLIST ELECTRICAL PARTSLIST PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK PART CODE PART NAME PART DESCRIPTION REMARK LN01 HRFT000-CA R CHIP 1/10 0 OHM 2012 RD11 HRFS560JBA R CHIP...
  • Page 56 1NR10D471K JP803 85801060TA WIRE COPPER 0.6X52MM TAPING CN24 CEXF1C100A C ELECTRO 16V RSM 10MF 5X7 Z0072 PVJMJAN799 PCB JACK AXIAL AS DW-K3AD2N-DS Z8012 PVPWJRN786 PCB POWER RADIAL AS DW-Q73D2N-LS JP804 85801060TA WIRE COPPER 0.6X52MM TAPING CN25 CEXE0J221S C ELECTRO 6.3V RSA 220MF 6.3X7...

This manual is also suitable for:

Dw-k3bd2n-dsDw-r631Dw-r632

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