Daewoo SD-8100 Скачать руководство пользователя страница 10

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TROUBLESHOOTING

Cassette tape isn’t

inserted.

Is 5V voltage obtained at

Loading parts IC604 pin#82?

Is 13V voltage obtained at

Capstan Motor pin#8?

Check at ON/OFF 12.

Check (D822, Q821).

Connect Capstan and Loading Motor.

Check connector and Capstan Motor.

YES

Is 12V voltage obtained at Each

parts of Loading Motor?

Replace Loading Motor.

Check D851 and POWER circuit.

E. No CASSETTE Loading

YES

F. AUTO STOP in Playback mode

VCR stops automatically

in playback mode.

Check R656,C659 and P603 pin#11

Check P502 connector.

Check S603, S604 REEL Sensor.

Is D.PG/FG pulse at IC601

pin#90 normal ?

Is C. FG pulse at IC601 pin#87

normal ?

Is there REEL Pulse at IC601

pin#79, 80?

Check and replace IC601.

YES

Check C.FG(R660, C660)

and P603 pin#1.

Содержание SD-8100

Страница 1: ...SERVICE MANUAL SD 8100...

Страница 2: ...ut terminal 2 kinds 8 8dBm VCR 2Vrms DVD RCA JACK AUDIO output DVD only Analogue AUDIO output 2 0Vrms Digital audio output OPTICAL COAXIAL Playable tape Very high dense tapes with VHS marks Playable d...

Страница 3: ...through OSD On Screen Display By using the DISPLAY button on the remote control information on the DVD VCD CD player and disc can be displayed on the TV screen Screensaver function DVD 3D sound 3D so...

Страница 4: ...reen Display function DVD You can select and display OSD in 8 languages E G I S F D SW FIN Parental Lock function DVD This function can prevent playback of software that may be unsuitable for children...

Страница 5: ...400 140V voltage obtained at C805 Output voltage of 2nd parts is normal Check rectifier diode of 2nd parts D821 D822 D823 D825 D826 D827 D828 Switching pulse of IC801 pin 4 or pin 5 is normal OK Exch...

Страница 6: ...IC701 pin 2 Is 22V 18V obtained at F F Specific GRID SEG doesn t function Check D701 Check POWER circuit at 26V Check C704 IC701 Check IC 701 pin 18 27 Check IC 701 pin 28 43 NO YES YES YES YES NO NO...

Страница 7: ...ensation Voltage of power fail IC601 pin 3 at micom is 0 7V over More than 3 2V is maintained for 1 minutes at IC601 pin 37 during Power Cord Open Check R644 NO YES B No power compensation YES Check R...

Страница 8: ...heheightofCTLHEADnormal Nodust Is there problem in CTL Input circuit and amplifier YES NO NO NO Is there CTL pulse at IC601 pin 97 Check IC601 Noise appears on the screen even though changing tape Re...

Страница 9: ...at IC601 pin 16 18 Check PCB Pattern Check IC601 C 2 Bad playback quality 2 No broadcasting signal received Is the output at IC601 pin 71 CLK 72 DATA normal Is SIF Video output at TMI RF101 pin 18 20...

Страница 10: ...obtained at Each parts of Loading Motor Replace Loading Motor Check D851 and POWER circuit E No CASSETTE Loading YES YES F AUTO STOP in Playback mode VCR stops automatically in playback mode Check R6...

Страница 11: ...e obtained at P603 pin 9 Check P603 Connector and Capstan Motor Check 14V Q856 Q857 Q852 Check Capstan FG IC 601 87 Check R665 R664 R663 R666 C665 Check R661 R667 C664 DRUM Motor stops Is 13V voltage...

Страница 12: ...JACK and IF circuit Check DVD circuit NO A EE screen doesn t appear YES NO YES NO YES NO YES NO YES NO YES NO YES YES NO Is signal input at IC601 pin 50 Check PCB Pattern Is signal output at IC302 pin...

Страница 13: ...Video signal input at IC601 pin 50 Is 5V obtained at IC301 pin 91 Is SW Pulse input at IC301 pin 70 Is 5V obtained at IC301 pin 24 42 55 64 Check POWER 5V Check IC601 pin 18 Check and Replace HEAD Ch...

Страница 14: ...s signal input at IC301 pin 48 50 52 54 Check POWER circuit Check IC601 pin 22 Check IC601 pin 18 No recording Check EE MODE YES NO Is FM signal output at IC301 pin 78 Is Video signal input at IC601 p...

Страница 15: ...Is 5V obtained at IC121 pin 1 11 33 Oscillation of IC121 pin 5 6 YES NO NO NO YES YES Is SIF output from RF121 pin 18 to IC121 pin 2 Is AUDIO output at IC121 pin 26 27 Check IC251 pin 2 3 Check POWER...

Страница 16: ...01 block Is 12V obtained at IC252 pin 16 Is RF Audio signal output at IC252 pin 3 13 Check POWER circuit NO YES NO IC601 pin 31 is H pin 21 is H Is about 8V obtained at IC252 pin 9 Is about 8V obtaine...

Страница 17: ...o signal output at IC252 pin 3 13 Check POWER circuit YES NO IC601 pin 31 is H pin 21is L Is about 8V obtained at IC252 pin 9 Is about 3 5V obtained at IC252 pin 10 YES Replace IC252 Check IC601 Check...

Страница 18: ...about 3 5V obtained at IC252 pin 10 Replace IC252 Check IC601 Check R646 R647 R911 R913 NO NO C at Q904 is L or H YES Check IC601 Check Output JACK Check Q904 Q905 R937 R938 R939 H H L L YES YES YES...

Страница 19: ...IC252 Is 12V obtained at IC252 pin 16 Is AV F Audio signal output at IC252 pin 3 13 Check POWER circuit NO YES NO IC601 pin 31 is L pin21 is H Is about 3 5V obtained at IC252 pin 9 Is about 8V obtain...

Страница 20: ...252 Is 12V obtained at IC252 pin 16 Is DVD Audio signal output at IC252 pin 3 13 Check POWER circuit NO YES NO IC601 pin 31 is L pin 21 is H Is about 3 5V obtained at IC252 pin 9 Is about 8V obtained...

Страница 21: ...nd DATA signal at ICD01 2 Is 3 3V obtained at ICD01 pin 5 Is 5V obtained at ICD01 pin 6 Check MPEG Board Check POWER circuit YES NO NO NO Is there DVD Audio at ICD01 pin 7 8 Is DVD Audio signal output...

Страница 22: ...IC251 pin 16 17 Replace IC251 NO Is there Audio at IC252 pin 1 12 Check signal flow circuit from IC251 to IC252 NO Check POWER circuit NO YES YES C at Q904 is L or H Check MUTE circuit H L YES YES YE...

Страница 23: ...EC H BASE voltage at Q201 is 5V Check IC101 MPX Block Check Input AV1 JACK Check Input AV F JACK Check ICD01 DVD Block Check Input AV2 JACK Replace IC251 YES NO NO NO Is there FM OSC signal at IC251 p...

Страница 24: ...there playback Audio signal at IC301 pin 11 Check R646 R647 R911 R913 YES NO NO Is about 3 5V obtained at IC252 pin 9 10 Check A C HEAD Check IC301 YES Replace IC252 YES Is there siganl at IC252 pin...

Страница 25: ...is transferred to IC301 pin 13 15 17 Collect signal at Q203 is 70KHz about 70Vp_p Check IC251 YES YES Check Q202 NO Check P202 pin 2 4 8 and A C HEAD YES REC H BASE voltage at Q201 is 5V Check IC601...

Страница 26: ...S 1 VIDEO 480 8 4 4 SP IC301 88 89 3 0Vp p EP IC301 94 95 2 2 Vp p 1V 10msec cm REC 6 6 IC604 3 IC301 63 or 61 IC302 14 IC301 63 or 61 IC302 14 IC301 70 0 5 5msec cm SP PLAY REC IC301 70 0 5 5msec cm...

Страница 27: ...27 WAVEFORMS 15 9 P201 2 2 AUDIO 2 1 AUDIO Mono...

Страница 28: ...cm REC PLAY IC601 18 5Vp p 2V 5msec cm REC PLAY IC601 77 5Vp p sec cm REC PLAY IC601 76 5Vp p sec cm REC PLAY IC601 94 3Vp p 1V 5msec cm REC IC601 97 4 4Vp p 1V 5msec cm PLAY IC601 90 25Vp p 5Vp p 1V...

Страница 29: ...29 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM PAL DVD COMBO FREE...

Страница 30: ...30 CIRCUIT DIAGRAM 2 AV CIRCUIT DIAGRAM...

Страница 31: ...31 3 SERVO SYSCON SCHEMATIC DIAGRAM CIRCUIT DIAGRAM...

Страница 32: ...32 4 DIGITAL AUDIO SCHEMATIC DIAGRAM CIRCUIT DIAGRAM...

Страница 33: ...33 5 HI FI SW CIRCUIT DIAGRAM CIRCUIT DIAGRAM...

Страница 34: ...34 CIRCUIT DIAGRAM 6 IF MPX PDC INPUT OUTPUT SCHEMATIC DIAGRAM...

Страница 35: ...35 CIRCUIT DIAGRAM ATATI...

Страница 36: ...36 CIRCUIT DIAGRAM VCR INT...

Страница 37: ...37 CIRCUIT DIAGRAM CPU...

Страница 38: ...38 CIRCUIT DIAGRAM DECODER...

Страница 39: ...39 PCB CIRCUIT BOARD 1 1 VCR MAIN...

Страница 40: ...40 PCB CIRCUIT BOARD 1 2 POWER...

Страница 41: ...41 PCB CIRCUIT BOARD 1 3 LOGIC...

Страница 42: ...42 PCB CIRCUIT BOARD 2 1 DVD MAIN A...

Страница 43: ...43 PCB CIRCUIT BOARD 2 2 DVD MAIN B...

Страница 44: ...DISASSEMBLY Perform all disassembly procedures in the order presented When reassembling use the reverse procedure Make sure that all leads wiring are routed correctly when reassembling FIG 1 FIG 2 A...

Страница 45: ...45 INSTRUMENT DISASSEMBLY FIG 3 C PANEL FRONT DISASSEMBLY...

Страница 46: ...46 INSTRUMENT DISASSEMBLY FIG 4 D LOGIC PCB DISASSEMBLY...

Страница 47: ...47 INSTRUMENT DISASSEMBLY FIG 5 E DECK AND MAIN PARTS DISASSEMBLY...

Страница 48: ...48 INSTRUMENT DISASSEMBLY FIG 6 F MAIN PCB DISASSEMBLY...

Страница 49: ...49 INSTRUMENT DISASSEMBLY FIG 7 G MAIN CHASSIS DISASSEMBLY...

Страница 50: ...50 INSTRUMENT DISASSEMBLY FIG 8...

Страница 51: ...NCHIPMOUNTA DV6T711S AQ C102 HCBK103KBA CCHIPCERA 50VX7R0 01MFK1608 C103 HCQK101JBA CCHIPCERA 50VCH100PFJ1608 C105 HCBK103KBA CCHIPCERA 50VX7R0 01MFK1608 C106 HCQK101JBA CCHIPCERA 50VCH100PFJ1608 C107...

Страница 52: ...03KBA CCHIPCERA 50VX7R0 01MFK1608 C618 HCFH223ZBA CCHIPCERA 25VY5V0 022MFZ1608 C619 HCFH223ZBA CCHIPCERA 25VY5V0 022MFZ1608 C621 HCFH223ZBA CCHIPCERA 25VY5V0 022MFZ1608 LOC PARTS_CODE PARTS_NAME PARTS...

Страница 53: ...16510OHMJ1608 R277 HRFS133JBA RCHIP 1 16 13KOHMJ1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK R278 HRFS153JBA RCHIP 1 16 15KOHMJ1608 R280 HRFS153JBA RCHIP 1 16 15KOHMJ1608 R281 HRFS225JBA RCHIP 1...

Страница 54: ...J019 HRFS000 BA RCHIP 1 16 0OHM1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK RS04 HRFS102JBA RCHIP 1 16 1KOHMJ1608 RS05 HRFS101JBA RCHIP 1 16 100OHMJ1608 RS07 HRFS102JBA RCHIP 1 16 1KOHMJ1608 RS09...

Страница 55: ...0MF5X7 C384 CEXF1C100A CELECTRO 16VRSM10MF5X7 C385 CEXF1C100A CELECTRO 16VRSM10MF5X7 LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK C602 CEXF1A471V CELECTRO 10VRSS470MF 8X11 5 TP C615 CEXF1C470A CELECTR...

Страница 56: ...LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK Q905 TZTC3198Y TRANSISTOR KTC3198Y 1815Y AUTO Q906 TZTC3198Y TRANSISTOR KTC3198Y 1815Y AUTO Q907 TZTC3198Y TRANSISTOR KTC3198Y 1815Y AUTO QD01 TZTC3198Y TR...

Страница 57: ...NFILM 1 610KOHMJ R150 RD AZ750J RCARBONFILM 1 675OHMJ R157 RD AZ101J RCARBONFILM 1 6100OHMJ R159 RD AZ101J RCARBONFILM 1 6100OHMJ R160 RD AZ750J RCARBONFILM 1 675OHMJ R161 RD AZ750J RCARBONFILM 1 675O...

Страница 58: ...1 61KOHMJ R657 RD AZ103J RCARBONFILM 1 610KOHMJ R658 RD AZ473J RCARBONFILM 1 647KOHMJ R659 RD AZ122J RCARBONFILM 1 61 2KOHMJ LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK R660 RD AZ203J RCARBONFILM 1 6...

Страница 59: ...ILPEAKING 2 2UHK AXIAL 3 5MM L702 5CPZ229K02 COILPEAKING 2 2UHK AXIAL 3 5MM R704 RD AZ821J RCARBONFILM 1 6820OHMJ R705 RD AZ472J RCARBONFILM 1 64 7KOHMJ LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK R7...

Страница 60: ...04ZBA CCHIPCERA 25VY5V0 1MFZ1608 C421 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 C422 HCFH104ZBA CCHIPCERA 25VY5V0 1MFZ1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK C423 HCFH104ZBA CCHIPCERA 25VY5V0 1M...

Страница 61: ...HRFS220JBA RCHIP 1 16W22OHMJ1608 R469 HRFS220JBA RCHIP 1 16W22OHMJ1608 R470 HRFS220JBA RCHIP 1 16W22OHMJ1608 LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK R471 HRFS220JBA RCHIP 1 16W22OHMJ1608 R472 HRF...

Страница 62: ..._DESCR REMARK C404 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP C408 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP C410 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP C413 CEXF1C470A CELECTRO 16VRSM47MF 5X7 TP C415 CEXF1C470...

Страница 63: ...CT THVV502GDA SW711 5S50101Z90 SWTACT THVV502GDA LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARK SW712 5S50101Z90 SWTACT THVV502GDA Z0033 PVLAJAE175 PCBLOGICAXIALAS DV6T721D AQ C710 CCZF1H104Z CCERA HIKF...

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