Daewoo DVST7C3 Скачать руководство пользователя

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Service Manual

Video Cassette Recorder
ALL T-MECHA (Hi-Fi/MONO)

Model: (PAL/SECAM MODELS)
DVST7C3_(ST-821)

Содержание DVST7C3

Страница 1: ...Service Manual Video Cassette Recorder ALL T MECHA Hi Fi MONO Model PAL SECAM MODELS DVST7C3_ ST 821 ...

Страница 2: ... CIRCUIT DIAGRAM 10 POWER BLOCK DIAGRAM 12 SYSCON CIRCUIT DIAGRAM 13 SERVO SYSCON BLOCK DIAGRAM 15 A V SECAM COLOR CIRCUIT DIAGRAM 16 VIDEO PLAYBACK RECORD PATH FOR PAL 18 HIFI SW CIRCUIT DIAGRAM 19 PIF CIRCUIT DIAGRAM 21 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 23 PCB MAIN 23 DISASSEMBLY 24 PACKING ASS Y 24 FRONT PANEL ASSEMBLY 25 INSTRUMENT DISASSEMBLY 29 ELECTRICAL PARTS LIST 30 PCB MAIN AS...

Страница 3: ...ielectric 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 surroundi...

Страница 4: ...s Use on 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 Cur rent i Clearance Distance d d 100V Japan 1kΩ i 1 mArms Exposed accessible parts 110 to 130V USA Canada 15kmF 1kΩ i 0 5mArms Exposed accessible parts 110 to 130V 200 to 240V Europe Australia 2kΩ i 0 7mA peak i 2mAdc An...

Страница 5: ...4 1 FRONT VIEWS FUNCTION DVST7C3 FRONT VIEW DVST7E3 FRONT VIEW DVST7L3 FRONT VIEW DVST7M3 FRONT VIEW EXTERNAL VIEWS ...

Страница 6: ...6 2 REAR VIEWS FUNCTION MONO 1 SCART TYPE REAR VIEW MONO 2 SCART TYPE REAR VIEW EXTERNAL VIEWS HI FI 2 SCART TYPE REAR VIEW MONO RCA TYPE REAR VIEW HI FI RCA TYPE REAR VIEW ...

Страница 7: ...4 Insert PATH JIG and press REC button on the remote control 5 Check the position of the V sync from the rising edge of the SW pulse Standard 6 5H 0 5H ITEM MODE ADJUSTMENT POINT CHECK POINT TEST EQUIPMENT TEST TAPE INPUT SIGNAL 6 5H ADJUSTMENT PLAY REC BUTTON PIN 4 PIN 5 OF P502 OSCILLOSCOPE DP 2 NO SIGNAL ADJUSTMENT PARTS MEASURING POINT PCB MAIN TOP VIEW TMI BLOC PRE AMP P502 TO PATH JIG OSCILL...

Страница 8: ...er with NETTETE IMAGE control at cen ter position 240 lines with NETTETE IMAGE control at center position AUDIO Recording system Input Output Frequency Range Signal to Noise Ratio Audio Distortion Longitudinal track 8dBm CENELEC standard more than 47 k ohms unbalanced 6dBm CENELEC standard less than 1k ohms unbalanced 100k ohms load 100Hz to 8 000Hz More than 38dB Less than 3 SP TUNER Tuning syste...

Страница 9: ...9 CIRCUIT INFORMATION 1 INTERCONNECT WIRING DIAGRAM ...

Страница 10: ...10 CIRCUIT INFORMATION 2 POWER CIRCUIT DIAGRAM ...

Страница 11: ... 72 C 323 323 323 Q802 E 0 0 0 B 0 25 0 26 0 17 C 0 12 0 11 0 17 Q821 E 12 58 12 6 12 6 B 13 2 13 2 13 2 C 15 6 15 36 15 4 Q822 E 5 2 5 19 5 2 B 5 89 5 89 5 89 C 5 97 5 97 5 96 Q825 E 0 0 0 B C 5 89 5 89 5 89 Q826 E 0 0 0 B 0 73 0 73 0 73 C 1 T801 PIN 1 X 0 1KV DIV Y 5uS DIV 2 T801 PIN 3 X 2V DIV Y 2mS DIV 3 T801 PIN4 X 5V DIV Y 5uS DIV 4 IC801 PIN3 X 0 5V DIV Y 5uS DIV 5 IC801 PIN 4 X 2V DIV Y 5u...

Страница 12: ...12 CIRCUIT INFORMATION 3 POWER BLOCK DIAGRAM ...

Страница 13: ...13 CIRCUIT INFORMATION 4 SYSCON CIRCUIT DIAGRAM ...

Страница 14: ... 8 4 84 61 4 96 4 8 4 91 SYSCON MODE LOC PIN EE PLAY REC 62 0 01 0 03 0 63 64 5 18 0 5 18 65 5 18 0 01 5 18 66 0 04 0 01 0 12 67 0 5 2 0 68 0 0 01 0 69 0 0 0 12 70 5 17 5 17 5 15 71 5 04 5 01 5 01 72 5 01 5 01 5 01 73 0 12 0 14 0 08 74 0 3 2 58 0 09 75 0 03 0 0 09 76 0 2 5 2 57 77 0 2 6 2 72 78 1 33 0 0 09 79 0 0 5 0 5 80 5 02 0 5 0 5 81 1 6 0 01 1 58 82 5 21 0 0 83 4 55 5 01 5 01 84 5 01 5 01 5 1...

Страница 15: ...15 CIRCUIT INFORMATION 5 SERVO SYSCON BLOCK DIAGRAM ...

Страница 16: ...16 CIRCUIT INFORMATION 6 AV SECAM COLOR CIRCUIT DIAGRAM ...

Страница 17: ... 0 74 0 73 95 1 94 0 74 0 73 96 1 95 0 74 0 73 97 0 0 02 0 02 98 2 29 2 29 2 43 99 2 29 2 29 2 43 100 2 29 2 29 2 56 A V MODE LOC PIN EE PLAY REC Q201 E 0 02 0 02 0 02 B 0 03 0 03 0 84 C 5 11 0 1 0 77 Q203 E 3 51 0 1 0 89 B 3 43 0 04 1 64 C 5 04 0 04 4 83 Q204 E 0 0 02 14 24 B 0 0 7 19 43 C 5 11 0 03 1 05 Q205 E 0 14 0 02 14 15 B 0 0 71 18 87 C 0 02 0 02 0 02 Q206 E 5 16 5 16 5 16 B 5 16 4 46 5 15...

Страница 18: ...18 CIRCUIT INFORMATION 7 1 VIDEO PLAYBACK PATH FOR PAL 7 2 VIDEO RECORD PATH FOR PAL ...

Страница 19: ...19 CIRCUIT INFORMATION 8 HIFI SW CIRCUIT DIAGRAM ...

Страница 20: ...28 39 0 00 0 00 0 00 40 5 18 0 00 5 10 41 0 94 5 20 0 94 42 4 75 0 94 4 74 43 4 86 4 81 4 81 44 1 98 1 97 1 97 HIFI SW MODE LOC PIN EE PLAY REC IC601 1 5 13 5 14 5 13 2 5 16 5 16 5 15 3 5 16 5 16 5 13 4 5 15 5 15 5 14 5 5 16 5 14 5 16 6 0 0 01 0 01 7 0 01 0 01 0 01 8 0 01 0 01 0 01 9 12 19 0 01 12 26 10 12 19 12 23 12 26 11 0 01 0 01 0 01 12 5 16 5 15 5 15 13 5 14 5 14 5 13 14 5 16 5 17 5 13 15 5 ...

Страница 21: ...21 CIRCUIT INFORMATION 9 PIF CIRCUIT DIAGRAM ...

Страница 22: ...00 38 0 00 0 00 0 00 39 0 00 0 00 0 00 40 0 00 0 00 0 00 41 0 00 0 00 0 00 42 2 60 0 00 2 26 43 2 56 0 04 2 56 44 0 00 0 00 0 00 PIF MODE LOC PIN EE PLAY REC IC151 1 0 02 0 01 0 02 2 2 66 2 68 2 64 3 2 66 2 70 2 66 4 0 02 0 00 0 02 5 0 00 0 00 0 00 6 4 83 4 75 4 71 7 4 87 4 83 4 76 8 5 22 5 26 5 20 9 4 84 4 86 4 80 10 0 02 0 00 0 02 11 2 30 2 31 2 28 12 2 30 2 32 2 28 13 1 32 1 00 0 98 14 0 00 0 0...

Страница 23: ...23 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW PCB MAIN ...

Страница 24: ...24 DISASSEMBLY 1 PACKING ASS Y ...

Страница 25: ...25 DISASSEMBLY 2 FRONT PANEL ASSEMBLY DVST7J3 SERIES DVST7C3 SERIES ...

Страница 26: ...29 DISASSEMBLY 3 INSTRUMENT DISASSEMBLY 3 1 SET TOTAL ...

Страница 27: ...000 97S2708200 GEAR CAM DERLIN 100 A2100 97SA317150 PINCH LEVER TOT AS T MECHA B1910 97SA481050 PINCH ROLLER AS D15 DAEJIN D2 6 D7 T4 5 A2200 97SA318050 LC BRKT AS T5 MECHA B2040 97P885X146 CONN AS A C HEAD 6P SHIELD A2201 7274300611 SCREW TAPPTITE TT3 RND 3X6 MFZN A2400 97SA317310 IDLER PLATE TOT AS T2 MECHA A2401 97S3108200 POLYWASHER D2 6XD6 0XT0 5 A2600 97S2909400 TABLE REEL POM F20 03 BLACK A...

Страница 28: ...RT CODE PART NAME PART DESC REMARK C271 HCBK682KBA C CHIP CERA 50V X7R 6800PF K 1608 C277 HCBK682KBA C CHIP CERA 50V X7R 6800PF K 1608 C281 HCFH104ZBA C CHIP CERA 25V Y5V 0 1MF Z 1608 C282 HCBK122KBA C CHIP CERA 50V X7R 1200PF K 1608 C285 HCQK331JBA C CHIP CERA 50V CH 330PF J 1608 C286 HCFH104ZBA C CHIP CERA 25V Y5V 0 1MF Z 1608 C293 HCQK331JBA C CHIP CERA 50V CH 330PF J 1608 C301 HCBK473KCA C CHI...

Страница 29: ... 4K OHM J 1608 R266 HRFS333JBA R CHIP 1 16 33K OHM J 1608 R270 HRFS333JBA R CHIP 1 16 33K OHM J 1608 LOC PART CODE PART NAME PART DESC REMARK R271 HRFS470JBA R CHIP 1 16 47 OHM J 1608 R302 HRFS822JBA R CHIP 1 16 8 2K OHM J 1608 R304 HRFS202JBA R CHIP 1 16 2K OHM J 1608 R308 HRFS102JBA R CHIP 1 16 1K OHM J 1608 R309 HRFS155JBA R CHIP 1 16 1 5M OHM J 1608 R310 HRFS155JBA R CHIP 1 16 1 5M OHM J 1608 ...

Страница 30: ...E PART NAME PART DESC REMARK C279 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP C283 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP C291 CEXF1C100A C ELECTRO 16V RSM 10MF 5X7 C292 CEXF1C100A C ELECTRO 16V RSM 10MF 5X7 C302 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP C304 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP C305 CEXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP C309 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP C313 CEXF1H1...

Страница 31: ... THVV952GBA 9 5M AUTO SW503 5S50101Z97 SW TACT THVV952GBA 9 5M AUTO SW504 5S50101Z97 SW TACT THVV952GBA 9 5M AUTO SW505 5S50101Z97 SW TACT THVV952GBA 9 5M AUTO SW506 5S50101Z97 SW TACT THVV952GBA 9 5M AUTO SW507 5S50101Z97 SW TACT THVV952GBA 9 5M AUTO SW508 5S50101Z97 SW TACT THVV952GBA 9 5M AUTO SW509 5S50101Z97 SW TACT THVV952GBA 9 5M AUTO X301 5XE4R433TB CRYSTAL QUARTZ HC 49 U 4 433619MHZ 15PPM...

Страница 32: ...060TA WIRE COPPER 0 6X52MM TAPING JP102 85801060TA WIRE COPPER 0 6X52MM TAPING JP103 85801060TA WIRE COPPER 0 6X52MM TAPING JP104 85801060TA WIRE COPPER 0 6X52MM TAPING JP107 85801060TA WIRE COPPER 0 6X52MM TAPING JP108 85801060TA WIRE COPPER 0 6X52MM TAPING JP113 85801060TA WIRE COPPER 0 6X52MM TAPING JP114 85801060TA WIRE COPPER 0 6X52MM TAPING JP115 85801060TA WIRE COPPER 0 6X52MM TAPING JP118 ...

Страница 33: ...1 2K OHM J R326 RD AZ472J R CARBON FILM 1 6 4 7K OHM J LOC PART CODE PART NAME PART DESC REMARK R329 RD AZ102J R CARBON FILM 1 6 1K OHM J R330 RD AZ223J R CARBON FILM 1 6 22K OHM J R331 RD AZ103J R CARBON FILM 1 6 10K OHM J R362 RD AZ102J R CARBON FILM 1 6 1K OHM J R401 RD AZ473J R CARBON FILM 1 6 47K OHM J R403 RD AZ102J R CARBON FILM 1 6 1K OHM J R501 RD AZ473J R CARBON FILM 1 6 47K OHM J R502 R...

Страница 34: ...5801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP044 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP052 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP055 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP056 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP057 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP058 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP059 85801065GY WIRE COPPER ...

Страница 35: ...WG22 1 0 65 TIN COATING JP191 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING LOC PART CODE PART NAME PART DESC REMARK JP192 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP193 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP194 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP195 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP196 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING JP197 85801...

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