Daewoo DV-S123W Series Service Manual Download

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Service Manual

Video Cassette Recorder

Model:PAL/MESECAM/NTSC
(DV-S123W Series)
(DV-S103W Series)

PAL-N/NTSC
(DV-S123A Series)
(DV-S103A Series)

NTSC Only Models
(DV-S123N Series)
(DV-S103N Series)

DAEWOO ELECTRONICS CO., LTD.

URL : http://svc.dwe.co.kr

S/M No. : VS123MUEF1

Multi Models(S2-MECHA)

✔

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).

Summary of Contents for DV-S123W Series

Page 1: ...123N Series DV S103N Series DAEWOO ELECTRONICS CO LTD URL http svc dwe co kr S M No VS123MUEF1 Multi Models S2 MECHA 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: ...IDEO CIRCUIT 26 4 ì COM PIN ASSIGNMENT 29 PRINTED CIRCUIT BOARD 32 1 PCB MAIN 32 2 PCB POWER SMPS 33 CIRCUIT DIAGRAM 34 1 CONNECTION DIAGRAM 34 2 POWER CIRCUIT 35 3 SERVO SYSCON CIRCUIT 36 4 AV INPUT OUTPUT CIRCUIT 37 5 VIDEO AUDIO CIRCUIT 38 EXPLODING VIEWS PARTS LIST 39 1 PACKING AS 39 2 SET TOTAL ASSEMBLY 40 3 FRONT PANEL ASSEMBLY 41 ELECTRICAL PARTS LIST 43 1 PCB MAIN AS 43 2 PCB AUTO VOLT REG...

Page 3: ...ric strengthen between power cord plug prongs and exposed accessible parts of the set RF terminals antenna terminals video and audio input output terminals microphone jack ear phone jacks etc is greater than values given table 1 3 Clearance distance When replacing primary circuit component confirm specified clearance distance d d between soldered terminals and between terminals and surrounding met...

Page 4: ...n AC voltmeter to measure across both terminals of load Z See figure2 and following table Leakage current ratings for selected are as AC Line Voltage Region Load Z Leakage Current i Clearance Distance d d 100V Japan 1 Ú i Â 1 Ì rms Exposed accessible parts 110 to 130V USA Canada 15k Þ 1 Ú i Â 0 5 Ì rms Exposed accessible parts 110 to 130V 200 to 240V Europe Australia 2 Ú i Â 0 7 Ì peak i Â 2 Ì dc ...

Page 5: ...4 EXTERNAL VIEWS 1 FRONT VIEWS FUNCTION DV S103W FRONT VIEW DV S123W FRONT VIEW POWER REVIND REVIEW STOP EJECT FAST FORWARD CUE RECORD PLAY BACK FRONT VIDEO AUDIO INPUT JACK ...

Page 6: ... AUDIO VIDEO IN OUT JACK ANT INPUT DC12V INPUT JACK RE OUTPUT DV S103W DV S123W SCART JACK TYPE REAR VIEW EURO AUDIO VIDEO IN OUT JACK ANT INPUT DC12V INPUT JACK RF OUTPUT DV S103A DV S103N REAR VIEW AUDIO VIDEO IN OUT JACK ANT INPUT DC12V INPUT JACK RF OUTPUT CH 3 OR 4 SELECT SWITCH ...

Page 7: ...e with the signal from CH1 2 Adjustment Adjust R591 to the positive rising edge of V SW PULSE at 6 5H 0 5H from the V SYNC 3 Adjustment Inspection Standard 6 5H 0 5H 4 REMARKS ITEM ADJUSTMENT PARTS CHECK POINT TEST EQUIPMENTS MODE TEST TAPE Playback Phase R591 TJ591 V SW TJ391 VIDEO OUT Oscilloscope Play DP 2 LOCATION OF ADJUSTMENT PARTS OBSERVATION WAVEFORM MOD A V JACK TJ391 VIDEO OUT PRE AMP SM...

Page 8: ...o Audio Distortion 8dBm CENELEC standard more than 47 unbalanced 6dBm CENELEC standard less than 1 unbalanced 100Hz 8KHz for PAL SP 100Hz 10KHz for NTSC SP More than 38dB for PAL SP More than 40dB for NTSC SP Less than 3 SP TAPE TRANSPORT Format Tape Width Tape Speed Maximum Recording Time FF REW time VHS standard 12 65 1 2 PAL SP 23 39mm sec PAL LP 11 70mm sec NTSC SP 33 35 sec NTSC EP 11 12 sec ...

Page 9: ... when checking the seca ondary circuit When changing M801 check FUSE and ceramic resistor properly A 1 CHECKING THE PRIMARY CIRCUIT A 2 CHECKING THE SECONDARDARY CIRCUIT Before secondary circuit open No output voltage YES Is the voltage applied to CN11 NO Check F801 L801 L802 C803 D801 R801 YES YES Is the voltage 15V at pin3 of IC11 NO Is the voltage above 10V at pin3 of IC11 NO Is the voltage 0V ...

Page 10: ...f IC803 NO Check R805 R806 and R807 YES Check SERVO SYSCON circuit LED does not operate properly NO Is 5 1V supplied from D510 cathod to L701 NO Check power module YES Is 5 1V supplied to the collectors of Q701 Q706 NO Check L701 YES Are the signals supplied from u com to the bases of Q701 Q706 NO Check u com YES Are the signals supplied from u com to the bases of Q707 Q713 NO Check u com YES Are ...

Page 11: ...YES Check IC501 PB picture is not good NO Adjust tracking YES Noise appears although adjusting tracking NO Noise appears although Change cassette tape YES Check and re adiust the path of DECK YES Is CTL pulse output at pin1 of IC505 NO AC HEAD s height is normal and there is not dust NO Adjust the head height and remove dust YES YES YES Is CTL pulse input at pin29 of IC501 NO Check C556 C533 and D...

Page 12: ...in46 of IC501 Adjust the PG delay R591 YES YES YES NO Check R524 and pattern Check D PG input at pin13 of IC501 and P502 Is DC ENVE waveform input at pin39 of IC501 NO Is DC ENVE waveform output at pin6 of IC401 NO Check video circuit YES Check video circuit Autostop during playback YES Are S T pulses input at pin1 and pin7 of IC501 NO Check reel sensors YES Is D FG input at pin30 of IC501 NO Is D...

Page 13: ...P504 NO Check DECK YES Is 5V applied to pin6 of IC503 when CST IN NO Is control signal output at pin76 of IC501 NO Check IC501 YES YES Check pattern and R529 Is 8 2V supplied to pin4 of IC503 NO Are control signals output at pin76 and 78 of IC501 NO Check IC503 YES YES YES Are control signals output at pin2 and 10 of IC503 NO Check IC503 Check D504 D508 and D503 YES Check P503 and L C Motor ...

Page 14: ...5 3 5V NO Check circuit of R555 R556 and R557 YES Is pin4 of P501 2 5V NO Check R559 and R560 YES Is C PWM output at pin34 of IC501 NO Check IC501 YES Check P501 R516 R526 and C526 Drum M T and capstan M T rotate at reular speed IN REC MODE YES Is C SYNC applied to the base of Q501 NO Check C SYNC of IC301 and pattern YES Is V SYNC input at pin28 of IC501 NO Check Q501 and R527 YES Check motors ...

Page 15: ...IC501 NO Check power module YES Does X501 crysyal oscillate NO Check IC501 and crystal circuit YES Are CAM SW data cor rect NO Recheck P504 and CAM SW contact YES Check IC503 and IC501 VCP does not operate after power cord plugging YES Is 5 1V supplied to pin1 of IC502 NO Check power module YES Is 5V input at pin63 of IC501 NO Check IC502 and pattern YES Check flow C 8 ...

Page 16: ...upplied to pin76 of IC301 and to pin2 of T201 NO Check IC802 and adjacent circuit YES YES Check R217 R218 L602 and pattern Is voltage less than 0 2V at pin80 of IC301 NO Are CLK and DATA applied to pin63 and 64 of IC301 YES YES NO Check IC501 Is collector of Q204 GND NO Check Q202 Q203 and Q204 YES Check pattern and AC Head ...

Page 17: ...01 NO Is CLK and DATA applied to pin63 and 64 of IC301 NO Check IC501 YES Is audio signal input into pin79 of IC301 NO Check C212 R215 R214 and C210 YES YES YES Does pin6 of T201 Oscillate NO Is the volatge from 0 7V to 3 0V at pin5 of IC301 NO AC signal is put on the DC voltage at pin5 of IC301 YES YES YES AC signal put on 70KHz at base of Q201 Check AC head YES Clean head Check T201 s circuit Is...

Page 18: ...ODE YES Is signal input into pin71 of IC301 NO Check R609 R610 C218 and JK603 YES Is signal output at pin77 of IC301 NO Is 5V applied to pin76 and 47 of IC301 NO Check IC802 and adjacent circuit YES YES Check C212 R217 R218 C213 and L602 Are CLK and DATA input at pin63 and 64 of IC301 NO Check SERVO SYSCON YES Check IC301 ...

Page 19: ... output at pin38 of IC301 NO Is video signal input at pin30 of IC301 NO Check JK603 and pattern YES YES Check R312 Q604 and Adjacent circuit Are CLK DATA signals input at pin63 and 64 of IC301 NO Check SERVO SYSCON circuit and pattern YES Is ON OFF 5V supplied at pin47 and 76 of IC301 NO Check IC802 and adjacent circuit YES Do X301 and X302 oscillate NO Check X301 and X302 YES Check IC301 ...

Page 20: ...o pin131 of IC401 at 5V NO Check the ON OFF 5V YES Is REC H from pin79 of IC501 supplied to pin11 of IC401 at 0V NO Check Q503 Q504 and adjacent circuit YES Is V SW pulse from pin46 of IC501 supplied to pin4 of IC401 NO Check SERVO SYSCON YES Is the signal from pin1 and 3 of P401 fed to pin17 or 19 of IC401 NO Change IC401 YES Is the signal from pin7 of IC401 fed to C416 NO Check Q401 and adjacent...

Page 21: ... from pin7 of IC301 NO Check Q401 and adjacent YES Is ON OFF 5V supplied to pin36 and 47 of IC301 NO Check the ON OFF 5V YES Is the luminance signal from pin15 fed to pin20 of IC301 through Q302 NO Check Q302 and adjacent Circuit YES Is the luminance signal from 26 fed to pin38 of IC301 NO Check IC301 YES To output buffer circuit Check Q604 and adjacent circuit ...

Page 22: ... to pin36 and 47 of IC301 NO Check the ON OFF 5V YES Is the colour signal from pin15 of IC301 fed to pin48 and 50 of IC301 NO Check IC301 YES Is the colour sinal from pin48 and 50 of IC301 fed to pin13 of IC302 NO Check C351 C354 IC302 and adjacent circuit YES Is the colour signal from pin13 of IC302 fed to pin45 of IC301 through pin52 and 46 NO Check Q304 C332 and R317 YES Is the C ROTARY supplie...

Page 23: ...converted Colour signal from pin14 of IC301 fed to pin10 of IC401 NO Check C406 correct NO Changed damaged Components YES YES TO COLOUR SIGNAL IN THE REC MODE Is ON OFF 5V supplied to pin13 of IC401 at 5V NO Check ON OFF 5V YES Is REC H supplied to pin11 of IC401 at 5V NO Check REC H or Q503 Q504 and adjacent circuit YES Is the signal from pin9 and 10 fed to pin17 of IC401 NO Changed IC401 YES Cha...

Page 24: ...301 NO Is C319 correct NO Change damaged Compoents YES YES Check IC301 Is the luminance signal from pin25 fed to pin26 of IC301 NO Are Q302 C312 C313 C342 R307 R308 R309 and R310 correct NO Changed damaged Components YES YES Check IC301 Is the luminance signal from pin26 fed to pin18 of IC301 NO Check IC301 YES Is the modulated lumi nance signal from pin18 of IC301 fed to pin9 of IC401 NO Check R3...

Page 25: ... C406 NO Check IC302 PCB and adjacent circuit NO Changed damaged components YES YES TO PREAMP CIRCUIT IN THE REC MODE NO Check IC301 Check the output channel of VCP and input channel of TV NO Set the output channel of VCP reference to owners Mannual YES Are 5V ON OFF 5V applied to pin1 and 4 of RF101 NO Check ON OFF 5V and the option circuit according to the option table YES Is ON OFF 12V applied ...

Page 26: ...9 1 90 2 16 49 4 42 69 5 09 5 08 10 2 37 2 37 30 2 11 0 00 50 2 92 70 0 02 0 00 11 3 07 2 38 31 4 08 4 08 51 4 23 71 2 39 2 38 12 2 32 2 31 32 1 80 0 28 52 3 22 72 0 01 0 01 13 1 71 2 08 33 0 58 0 58 53 0 00 73 2 39 2 38 14 2 95 0 31 34 2 17 0 00 54 2 15 74 2 41 2 40 15 0 00 3 25 35 3 14 3 16 55 5 15 75 2 39 2 38 16 2 56 2 59 36 5 09 5 06 56 5 15 76 5 15 5 14 17 3 32 1 64 37 0 59 0 59 57 0 01 77 2...

Page 27: ... of IC301 SECAM color bar input 1 0Vp p 2 Pin 30 of IC301 PAL color bar input 1 0Vp p 3 Pin 38 of IC301 PAL color bar output 2 0Vp p 4 Pin 18 of IC301 PAL REC luminance 300mVp p 6 Pin 25 of IC301 0 5Vp p 7 Pin 26 of IC301 0 5Vp p 8 Pin 35 of IC301 Color bar input 1 0Vp p 9 Pin 40 of IC301 0 4Vp p 10 Pin 42 of IC301 0 4Vp p 11 Pin 10 of IC302 fsc 3 579545MHz 350mVp p ...

Page 28: ...n 48 and 50 of IC301 300mVp p Pin 52 of IC301 400mVp p Pin 37 of IC301 C SYNC 2Vp p Pin 14 of IC301 300mVp p Pin 10 of IC401 REC PAL color 300mVp p 12 13 14 17 16 15 UP Pin 66 of IC301 color rotary 1Vp p DOWN Pin 20 of IC301 ENVE 0 5Vp p Pin 25 of IC301 0 5Vp p Pin 26 of IC301 0 5Vp p Pin 38 of IC301 Video out 2 0Vp p Pin 40 of IC301 400mVp p Pin 42 of IC301 300mVp p 23 24 25 28 27 26 ...

Page 29: ... THE PB MODE DP 1 TEST TAPE UP Pin 66 of IC301 color rotary 0 5Vp p DOWN Pin 20 of IC301 500mVp p Pin 37 of IC301 Video out 2 0Vp p Pin 48 and 50 of IC301 240mVp p Pin 52 of IC301 300mVp p Pin 45 of IC301 500mVp p Pin 46 of IC301 500mVp p 29 30 31 34 33 32 ...

Page 30: ... O MODULATOR DATA OUTPUT P RF101 IC505 13 D_PG I DRUM PG INPUT P DECK DRUM 14 PWR ON L O POWER ON OFF CONTROL L POWER 15 REMOTE I REMOTE DATA INPUT P R_RECEIVER 16 CAP_I LIMIT O THIS PORT IS USUALLY OPEN BUT OUPUTS FOR FRAME ADVANCE L P DECK CAPSTAN 17 N C 18 Vdd2 Vcc 5V 19 GRID_1 O LED GRID_1 OUTPUT P LDISPLAY 20 GRID_2 O LED GRID_2 OUTPUT P L DISPLAY 21 GRID_3 O LED GRID_3 OUTPUT P L DISPLAY 22 ...

Page 31: ...HING PULSE OUTPUT P PREAMP 47 QV_SYNC O OUPUT DURING TRICK MODE P L A V 48 C_ROT O INVERTED V_SW PULSE P A V 49 GRID_5 O LED GRID_5 OUTPUT P L DISPLAY 50 CAM_C I DECK CAM SW 51 CAM_B 52 CAM_A 53 REC_SAFETY L I REC SAFETY TAB IS DETECTED L STATE SO THAT RECORDING IS INHIBITED L REC SAFETY SW 54 N C GND 55 T_END H I TAPE END SENSOR INPUT H DECK 56 SECAM H I SECAM MODE INPUT H SECAM L 57 T_START H I ...

Page 32: ...LAY 72 SEG_5 O LED SEGMENT_5 OUTPUT P L DISPLAY 73 Vdd1 Vcc 74 A D RESET H O TO RESET AVref H 75 CAP_F R O CAP M T FORWARD L REVERSE H L H DECK CAP 76 LM_R O H L DECK LM M T IC503 77 LM_F O 78 CST IN L O TO OUTPUT L STATE IN CASSETTE IN MODE PLAY FF REW CUE REV SLOW STILL AND STOP ETC L DECK LM M T IC503 79 REC H O TO OUTPUT DURING RECORDING H A V PREAMP 80 GRID_6 O LED GRID_6 OUTPUT P L DISPLAY N...

Page 33: ...32 PRINTED CIRCUIT BOARD 1 PCB MAIN ...

Page 34: ...33 PRINTED CIRCUIT BOARD 2 PCB POWER SMPS ...

Page 35: ...34 CIRCUIT DIAGRAM 1 CONNECTION DIAGRAM DV S103W S103A S103N ...

Page 36: ...35 CIRCUIT DIAGRAM 2 POWER CIRCUIT DV S103W ...

Page 37: ...36 CIRCUIT DIAGRAM 3 SERVO SYSCON CIRCUIT DV S103W ...

Page 38: ...37 CIRCUIT DIAGRAM 4 AV INPUT OUTPUT CIRCUIT DV S103W ...

Page 39: ...38 CIRCUIT DIAGRAM 5 VIDEO AUDIO CIRCUIT DV S103W S103A S103N S103S ...

Page 40: ...39 EXPLODING VIEWS PARTS LIST 1 PACKING AS ...

Page 41: ...40 EXPLODING VIEWS PARTS LIST 2 SET TOTAL ASSEMBLY ...

Page 42: ...41 EXPLODING VIEWS PARTS LIST 3 FRONT PANEL ASSEMBLY DV S103W FRONT PANEL ASSEMBLY ...

Page 43: ...42 EXPLODING VIEWS PARTS LIST DV S123W FRONT PANEL ASSEMBLY ...

Page 44: ...H K 27 5X0 4D 8013 PVPWJAW063 PCB POWER AXIAL AS S103WY QB D A495600 D11 DZEG01C DIODE EG01C D12 DZEU01Z DIODE EU01Z JP01 85801060TA WIRE COPPER 0 6X52MM TAPING JP02 85801060TA WIRE COPPER 0 6X52MM TAPING R11 RD 4Z100JS R CARBON FILM 1 4 10 OHM J SMALL R14 RD 2Z124JS R CARBON FILM 1 2 120K OHM J SMALL R15 RD 2Z124JS R CARBON FILM 1 2 120K OHM J SMALL U801 97P65211PA PCB POWER 197X197X1 6T 6 S103 1...

Page 45: ...CA C CHIP CERA 50V X7R 1000PF K 2012 C515 HCBK103KCA C CHIP CERA 50V X7R 0 01MF K 2012 C516 HCBK102KCA C CHIP CERA 50V X7R 1000PF K 2012 C517 HCBK103KCA C CHIP CERA 50V X7R 0 01MF K 2012 LOC PART CODE PART NAME PART DESC C522 HCBK103KCA C CHIP CERA 50V X7R 0 01MF K 2012 C523 HCBK103KCA C CHIP CERA 50V X7R 0 01MF K 2012 C524 HCBK102KCA C CHIP CERA 50V X7R 1000PF K 2012 C525 HCBK102KCA C CHIP CERA 5...

Page 46: ...ART CODE PART NAME PART DESC R554 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R557 HRFT153JCA R CHIP 1 10 15K OHM J 2012 R558 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R561 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R567 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R568 HRFT102JCA R CHIP 1 10 1K OHM J 2012 R571 HRFT473JCA R CHIP 1 10 47K OHM J 2012 R572 HRFT393JCA R CHIP 1 10 39K OHM J 2012 R576 HRFT301JCA R CHIP 1 10 3...

Page 47: ... CCZB1H223K C CERA HIBK 50V 0 022MF K AXL 52 C315 CCZB1H104K C CERA HIBK 50V 0 1MF K AXL 52MM C332 CCZB1H103K C CERA HIKB 50V 0 01MF K AXIAL C341 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M C351 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M C354 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M C405 CCZB1H223K C CERA HIBK 50V 0 022MF K AXL 52 C406 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M C408 CBZP1C103M C CERA SEMI 16...

Page 48: ... R575 RD AZ753J R CARBON FILM 1 6 75K OHM J R578 RD AZ473J R CARBON FILM 1 6 47K OHM J LOC PART CODE PART NAME PART DESC R583 RD AZ103J R CARBON FILM 1 6 10K OHM J R584 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R602 RD AZ750J R CARBON FILM 1 6 75 OHM J R603 RD 4Z751J R CARBON FILM 1 4 750 OHM J R604 RD 4Z751J R CARBON FILM 1 4 750 OHM J R605 RD AZ101J R CARBON FILM 1 6 100 OHM J R608 85801060TA WIRE ...

Page 49: ...POWER IC21 1KA431AZ IC REGULATOR KA431AZ POWER L12 56X0000007 COIL BEAD BI 4865 5TS BASE POWER L21 56C220K695 COIL CHOKE CAP TYPE 22UH K CAP TYPE 9X11 1 POWER L22 56C220K686 COIL CHOKE 22UH K 27 5X0 4D POWER M801A 97PC316600 COVER SHI SMPS AS DV S103 POWER M801B 97P0970501 PLATE SHI SMPS ET T 0 5 POWER M801C 97P5603700 INSULATION SMPS PC T0 5 POWER PC11 1PC123FY8 IC PHOTO COUPLER PC123FY8 CTR100 2...

Page 50: ...7P880RP10 PAL 1 0M 97P880RD15 NTSC PAL 1 5M 97P880RN10 NTSC 1 0M D005 WARRANTY CARD 97P9407000 PAPER D006 ADAPTER 4859000240 2015A 300V D 4 0 03 CHASSIS MAIN AS PVMCASW063 S103WY QB D PC0204C S123W QB E S103A QB S103NY QD A D100 REMOCON HANDSET AS 97P1R2B300 VR F2B3 97P1R2B300 VR F2B3 97P1R2B302 VR F2B3 02 97P1R2B301 VR F2B3 01 M01 PANEL FRONT AS 97PP320300 DV S103WY QB D 97PP321200 DV S123W QB E ...

Page 51: ...T181JCA 1 10 180 OHM J 2012 HRFT241JCA 1 10 240 OHM J 2012 HRFT241JCA 1 10 240 OHM J 2012 R213 R CHIP HRFT682JCA 1 10 6 8K OHM J 2012 HRFT682JCA 1 10 6 8K OHM J 2012 HRFT223JCA 1 10 22K OHM J 2012 HRFT183JCA 1 10 18K OHM J 2012 R304 R CHIP HRFT122JCA 1 10 1 2K OHM J 2012 HRFT122JCA 1 10 1 2K OHM J 2012 HRFT122JCA 1 10 1 2K OHM J 2012 HRFT102JCA 1 10 1K OHM J 2012 R405 R CHIP HRFT202JCA 1 10 2K OHM...

Page 52: ...2 1 0 65 TIN COATING JP106 WIRE COPPER 85801065GY AWG22 1 0 65 TIN COATING JP107 WIRE COPPER 85801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING JP108 WIRE COPPER 85801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING JP169 WIRE COPPER 85801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING JP180 WIRE COPPER 85801065GY AWG22 1 0 65 TIN COATING 8...

Page 53: ... ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail G7F00E web dwe co kr FAX 02 360 8184 TEL 02 360 8178 8187 PRINTED DATE FEB 1999 ...

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