Daewoo DCR-9130 SERIES Service Manual Download Page 11

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TROUBLESHOOTING

F. DRUM Motor stops

G. CAPSTAN doesnÕt rotate

CAPSTAN doesnÕt rotate.

Is EVER 14V voltage obtained

at P501 pin#2?

YES

Is Capstan PWM fit to

IC501 pin#77?

Is 3.2V voltage obtained

at P501 pin#5?

Is 2.7V voltage obtained

at P501 pin#9?

Check P501 Connector and

Capstan Motor.

Check EVER 14V.

(L526)

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#2?

YES

Is DRUM PWM fit to IC 501

pin#76?

Is 2.6V voltage obtained at

P501 pin#12?

Check Capstan Motor and

DRUM Motor.

Check EVER 14V

(L526).

Check DRUM PG/FG

(IC 501 pin# 90).

Check R534,R535,C519,C520.

Summary of Contents for DCR-9130 SERIES

Page 1: ...r 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 DAEWOO ELECTRONICS Corp...

Page 2: ...1 SPECIFICATIONS 2 ADVANTAGES OF THIS PRODUCT 3 TROUBLE SHOOTING 5 WAVEFORMS 31 CIRCUIT DIAGRAM 35 PCB CIRCUIT BOARD 43 INSTRUMENT DISASSEMBLY 47 ELECTRICAL PARTSLIST 53 CONTENTS...

Page 3: ...VD VIDEO CD CD 12cm CD 8cm MP3 CD R CD RW Tape speed SP 23 39 mm s LP 11 70 mm s Playtime SP 3hrs LP 6hrs use of E 180 tape Clock display 24hrs Time Recording 8 programs a month Persistence in power f...

Page 4: ...Hall Theater High bit high sampling with 27MHz 10bit video encoder This unit has 27MHz 10bit capability that enables the faithful reproduction of fine images High bit high sampling with 96KHz 24bit au...

Page 5: ...on the disc The number of audio languages depends on the software Multi Subtitle function DVD The subtitle can be seen in up to 9 languages In the case of SVCD or VCD it depends on the disc The numbe...

Page 6: ...ained at C805 Switching Pulse of IC801 and IC804 Drain is normal Cathode Voltage of D821 D822 D823 D824 D825 D826 D827 D828 D830 is normal Output voltage of Q801 Q802 IC807 is normal Check the MAIN BO...

Page 7: ...t IC701 pin 8 Is 24V 20V obtained at F F Specific GRID SEG doesn t function Check D721 Check POWER circuit at 24V Check IC701 Check IC 701 pin 31 42 Check IC 701 pin 14 29 NO YES YES YES YES NO NO NO...

Page 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...

Page 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...

Page 10: ...3V voltage obtained at Each parts of Loading Motor Replace Loading Motor Check D825 and POWER circuit D No CASSETTE Loading YES YES E AUTO STOP in Playback mode VCR stops automatically in playback mod...

Page 11: ...ltage obtained at P501 pin 9 Check P501 Connector and Capstan Motor Check EVER 14V L526 Check Capstan FG IC 501 pin 87 Check R541 R540 R539 R538 C518 Check R537 R536 C521 DRUM Motor stops Is 14V volta...

Page 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...

Page 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 IC501 pin 18 Clean head or...

Page 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...

Page 15: ...k IC 501 NO Check DVD loader NO Check DVD video buffer QD50 QD51 QD52 and DVD output jack NO Check PCB pattern E No DVD Video NO Is power_on_H signal output at P601 pin 11 Chage the mode with DVD No D...

Page 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...

Page 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...

Page 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...

Page 19: ...IC601 Check Input AV3 jack Replace IC601 Check IC501 Is Audio signal output at IC601 pin 3 13 12V obtained at IC601 pin 16 NO Is there L at IC601 pin 9 10 NO Is there signal at IC601 pin 3 13 NO Is 5V...

Page 20: ...low circuit Check ICD02 YES YES YES NO Are there signal at ICD02 1 7 YES YES Is 12V obtained at IC251 34 Is 5V obtained at IC251 40 YES No sound DVD EE mode Is audio signal at IC251 4 5 YES Is audio s...

Page 21: ...DVD Board Check signal flow circuit No Sound Subwoofer Pre out E E mode Are there voltages at ICD01 8 5V 9 3 3V 21 5V YES Are there clocks at ICD01 5 BCLK 6 LRCK 10 MCLK NO YES NO Check Power circuit...

Page 22: ...pin 3 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 Y...

Page 23: ...mode REC MODE Are there Audio signal at IC251 pin 4 9 Is FM OSC signal at IC251 pin 36 Check input LINE1 JACK Check input LINE2 JACK Check ICD03 DVD Replace DRUM YES NO NO NO Is FM OSC signal at P401...

Page 24: ...lace IC251 YES NO NO Is there Playback Normal Audio signal at IC251 pin 17 18 Check A C HEAD and IC301 YES Check Output JACK YES Is there normal Audio signal at IC251 pin 17 18 NO Check power circuit...

Page 25: ...cording signal at IC251 pin 21 Check Input AV1 JACK Check Input AV2 JACK Check Input AV F JACK Check ICD02 DVD Check signal flow circuit YES NO NO NO Signal at IC251 pin 21 is transferred to IC301 pin...

Page 26: ...Are there signals at ICD04 1 7 Check DVD Board Check signal flow circuit NO sound in DVD or EXTERNAL mode Are there voltages at ICD01 8 5V 9 3 3V 21 5V YES Are there clocks at ICD01 5 BCLK 6 LRCLK 10...

Page 27: ...obtained at PWRDN of IC301IC330 IC360 YES No sound in the DVD MODE Is there H at IC220 25 Check Q201 Q202 Check IC301 IC330 IC360 and signal Flow circuit and replace inferior device NO Is there H at...

Page 28: ...Is there L at IC220 10 YES YES Check IC601 and Data ports NO Is there normal 16MHz oscillation signal at IC220 20 21 Check X220 and replace inferior device NO Are there clocks at IC200 10 LRCLK 11 BC...

Page 29: ...at 26 TRI 27 Fault of IC301 IC330 IC360 Check IC301 IC330 IC360 and replace inferior device YES NO Is there H at IC220 25 YES Check Power circuit Is there H at IC220 10 NO Are there clocks at IC200 10...

Page 30: ...Check IC220 and communication with IC501 YES YES Check power circuit NO Are there Voltage at ICD01 18 5V 9 3 3V 21 5V Check signal flow circuit NO Are there normal audio signals at ICD01 16 17 19 20...

Page 31: ...here normal audio signals at ICD01 16 17 19 20 YES No sound in External Video MODE Check DVD Board NO Are there clock at ICD01 5 BCLK 6 LRCLK 10 MCLK YES Check IC220 NO Are CLK and DATA obtained at IC...

Page 32: ...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...

Page 33: ...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...

Page 34: ...IC501 77 5Vp p 2V 5 sec cm REC PLAY 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...

Page 35: ...IC200 PIN 10 PCM0 downmix DDX 8000 IC200 PIN 6 PCM1 Front L R DDX 8000 IC200 PIN 9 PCM2 CEN SUB DDX 8000 IC200 PIN 7 PCM3 Rear L R DDX 8000 IC200 PIN 8 AMP Micom IC220 PIN 38 COMM_DO AMP Micom IC220...

Page 36: ...35 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM VCR DVD COMBO RECEIVER PAL...

Page 37: ...36 CIRCUIT DIAGRAM 2 SERVO SYSCON CIRCUIT DIAGRAM COMBO RECEIVER PAL...

Page 38: ...37 CIRCUIT DIAGRAM 3 A V CIRCUIT DIAGRAM...

Page 39: ...38 4 HiFi SW INPUT CIRCUIT DIAGRAM CIRCUIT DIAGRAM...

Page 40: ...39 CIRCUIT DIAGRAM 5 Hi Fi PI F SCHEMATIC DIAGRAM COMBO RECEIVER PAL...

Page 41: ...40 CIRCUIT DIAGRAM 6 DIGITAL AUDIO VIDEO SCHEMATIC DIAGRAM COMBO RECEIVER PAL...

Page 42: ...41 CIRCUIT DIAGRAM 7 RECEIVER FRONT PART SCHEMATIC DIAGRAM...

Page 43: ...42 CIRCUIT DIAGRAM 8 DIGITAL AMP SCHEMATIC DIAGRAM PAL...

Page 44: ...43 PCB CIRCUIT BOARD 1 1 LOGIC PCB CIRCUIT BOARD...

Page 45: ...44 PCB CIRCUIT BOARD 1 2 AMP PCB CIRCUIT BOARD...

Page 46: ...45 PCB CIRCUIT BOARD 1 3 MAIN PCB CIRCUIT BOARD...

Page 47: ...46 PCB CIRCUIT BOARD 1 4 POWER PCB CIRCUIT BOARD...

Page 48: ...disassembly procedures in the order presented When reassembling use the reverse procedure Make sure that all leads wiring are routed correctly when reassembling PRT_CSYS_DEF y y DEFAULT z z x x Fig 1...

Page 49: ...48 INSTRUMENT DISASSEMBLY Fig 4 LOGIC PCB Removal Fig 3 Panel Front Removal...

Page 50: ...49 INSTRUMENT DISASSEMBLY Fig 5 DECK LOADER POWER BOARD Removal...

Page 51: ...50 INSTRUMENT DISASSEMBLY Fig 6 Main Board Removal...

Page 52: ...51 INSTRUMENT DISASSEMBLY Fig 7 Chassis Main Removal...

Page 53: ...52 INSTRUMENT DISASSEMBLY...

Page 54: ...C203 HCBK122KBA CCHIPCERA 50VX7R1200PFK1608 C206 HCBK103KBA CCHIPCERA 50VX7R0 01MFK1608 C212 HCBK103KBA CCHIPCERA 50VX7R0 01MFK1608 C220 HCQK391JBA CCHIPCERA 50VCH390PFJ1608 C251 HCFH474ZBA CCHIPCERA...

Page 55: ...CERA 50VX7R0 01MFK1608 CD29 HCBK103KBA CCHIPCERA 50VX7R0 01MFK1608 CD34 HCQK100JBA CCHIPCERA 50VCH10PFJ1608 CD37 HCQK100JBA CCHIPCERA 50VCH10PFJ1608 CD40 HCQK100JBA CCHIPCERA 50VCH10PFJ1608 LOC PARTS_...

Page 56: ...MJ1608 R520 HRFS561JBA RCHIP 1 16 560OHMJ1608 R521 HRFS561JBA RCHIP 1 16 560OHMJ1608 R525 HRFS104JBA RCHIP 1 16 100KOHMJ1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK R526 HRFS273JBA RCHIP 1...

Page 57: ...A CELECTRO 16VRSM10MF5X7 LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK C057 CEXF1C100A CELECTRO 16VRSM10MF5X7 C059 CEXF1H339A CELECTRO 50VRSM3 3MF4X7 C061 CEXF1C100A CELECTRO 16VRSM10MF5X7 C063 C...

Page 58: ...6VRSM10MF5X7 CD70 CEXF1C100A CELECTRO 16VRSM10MF5X7 CM09 CEXF1A101A CELECTRO 10VRSM100MF6 3X7 CM36 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK CM56 CEXF1C1...

Page 59: ...RD AZ471J RCARBONFILM 1 6470OHMJ JP103 RD AZ101J RCARBONFILM 1 6100OHMJ JP104 RD AZ101J RCARBONFILM 1 6100OHMJ LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK JP137 RD AZ101J RCARBONFILM 1 6100OHM...

Page 60: ...J R857 RD AZ202J RCARBONFILM 1 62KOHMJ R858 RD AZ202J RCARBONFILM 1 62KOHMJ LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK RD01 RD AZ330J RCARBONFILM 1 633OHMJ RD02 RD AZ330J RCARBONFILM 1 633OHMJ...

Page 61: ...M L702 5CPZ229K02 COILPEAKING 2 2UHK AXIAL 3 5MM R701 RD AZ103J RCARBONFILM 1 610KOHMJ LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK R702 RD AZ103J RCARBONFILM 1 610KOHMJ R704 RD AZ103J RCARBONFI...

Page 62: ...1MFK2012 C336 HCTDK109MC CCHIPTANTAL 50V1MFM6032 C337 HCBK104KCA CCHIPCERA 50VX7R0 1MFK2012 LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK C338 HCQK331JCA CCHIPCERA 50VCH330PFJ2012 C339 HCFK104ZCA...

Page 63: ...RCHIP 1 16 10KOHMJ1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK R366 HRFT390JCA RCHIP 1 1039OHMJ2012 R367 HRFT519JCA RCHIP 1 105 1OHMJ2012 R368 HRFT519JCA RCHIP 1 105 1OHMJ2012 R369 HRFT390...

Page 64: ...TP C846 CMXM2A224J CMYLAR 100V0 22MFJ C847 CBXB3A101K CCERASEMI 1KVRR100PFK C848 CMXL2E104K CMYLAR 250VMEU0 1MFK F801 5FWPS6322L FUSE WIDETL250V6 3ACASE LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION RE...

Page 65: ...D 4Z470J RCARBONFILM 1 447OHMJ R848 RD 4Z200J RCARBONFILM 1 420OHMJ R849 RD 4Z201J RCARBONFILM 1 4200OHMJ LOC PARTS_CODE PARTS_NAME PARTS_DESCRIPTION REMARK R850 RD 4Z201J RCARBONFILM 1 4200OHMJ R851...

Page 66: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp...

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