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Memorex MVR2041, Руководство по обслуживанию

Этот продукт - Memorex MVR2041, является качественным цифровым видеорекордером. Для разборки, обслуживания понадобится сервисный мануал. Скачать его бесплатно можно на manualshive.com. Подробные инструкции помогут вам быстро и легко освоить устройство. Создайте свои профессиональные видео с Memorex MVR2041.

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R6005

R4209

C6009

R506

R510

R516

R518

R4205

R4001

R4011

R4002

R4003

R4010

R1045

R1044

R1087

R4210

R1011

Q4003

C4005

C4006

C6002

C4024

C6014

R4202

R6006

R1083

Q1003

R1002

C507

C4204

IC1001

IC4001

R4012

C4016_1

C4019

C4015

C4020

C4021

R4014

R4016

R4006

C4028

R4017

R4018

R4019

C4029

C4032

R4021

R4022

C4033

R4023

R4024

C4036

C4037

C4069

C4054

C4064

R4039

Q4012

R4041

Q4010

C4061 R4038

R4034

R4035

C4060

R4043

C4066

R4042

C1016

C1017

R1051

R527

C506

C534

R1037

C1053

C1054

C1018

C1020

C1015

R1013

Q1010

R1061

R1004

C1007

C1006

C1004

C1003_1

R1010

R1033

R674

R673

R672

R670

R668

R667

R666

R665

R663

Q664

Q663

Q662

Q660

Q658

Q657

Q656 Q655

Q653 Q652 Q651

Q654

C1046

R1028

C1048

R1014

C1013

R1017

R1015

C1052

C1051

R1032

R1039

C1044

R1027

C1037

C1040

C1038

R1026

C1029

Q665

Q659

Q661

R664 R661

R669

R671

R662

R675

R4046

R4044

R605

R607

R602

R603

R601

R544

R4025

C4038

R1047

C515

Q508

R519

R1042

R1043

R524

C529

R1003

R4007

R1016

R1034

R1006

R1059

R531

R1046

Q1007

Q1014

R4050

R4213

R4045

C1060

C1011

R1062

1

26

51

76

1

21

41

61

PRINTED CIRCUIT BOARDS

SYSCON (CHIP MOUNTED PARTS)

SOLDER SIDE

F-3

F-4

Содержание MVR2041

Страница 1: ...SERVICE MANUAL VIDEO CASSETTE RECORDER ORIGINAL MFR S VERSION A MVR2041 Design and specifications are subject to change without notice...

Страница 2: ...eplaced should be used the part which has the same character Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the designated pa...

Страница 3: ...DECK PARTS KEY TO ABBREVIATIONS SERVICE MODE LIST PREVENTIVE CHECKS AND SERVICE INTERVALS SERVICING FIXTURES AND TOOLS PREPARATION FOR SERVICING MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS BLOCK DIA...

Страница 4: ...A 1 A 1 J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 50MHz Preset CH No RF Converter Output Yes Channel 3 or 4 ch Level Impedance 66dBu 75ohm Sound Selector No St...

Страница 5: ...lbs Gross Approx 4 6kg 10 2lbs G 8 Regulation Safety UL Radiation FCC G 9 Temperature Operation 5oC 40oC Storage 20oC 60oC G 10 Operating Humidity Less then 80 RH G 11 On Screen Menu Yes Display Menu...

Страница 6: ...Recording Max Time 5 Hours OTPB Valid Time No Timer Back up at Power Off Mode 5 sec G 15 Remote Unit RC EA Control Glow in Dark Remocon No Power Source Voltage D C 3V UM size x pcs UM 4 x 2 pcs Total...

Страница 7: ...Free Insert Sheet No Quick Set Up Sheet No Information Sheet Buyer Supply No 75 Ohm Coaxial Cable Single shield Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No DC Car Cord Center...

Страница 8: ...g 2 4 2 5 CASSETTE SIDE L R Refer to Fig 2 5 Unlock the 4 supports 1 and then remove the Cassette Side L R 1 NOTE When you install the Cassette Side R be sure to move the Locker R after installing Cas...

Страница 9: ...Dumper Spring Remove the 2 screws 1 Unlock the support 2 and remove the Loading Motor Ass y Unlock the 2 supports 3 and remove the Deck PCB BOT 1 2 3 4 5 1 2 1 Loading Motor Ass y Link Lever Main Chas...

Страница 10: ...P5 Spring Remove the screw 1 Unlock the 2 supports 2 and remove the Cassette Opener Remove the Pinch Roller Block Pinch Roller Arm Spring Pinch Roller Lever Ass y and P5 3 Arm Ass y 1 2 3 4 1 2 2 P5...

Страница 11: ...rews 1 Remove the Capstan DD Unit 1 2 3 Screw Torque 5 0 5kgf cm Fig 2 15 2 16 MIDDLE GEAR MAIN CAM Refer to Fig 2 16 A Remove the Polyslider Washer 1 then remove the Middle Gear Remove the E Ring the...

Страница 12: ...oller of Guide Roller Fig 2 19 Loading Gear Holder Inclined Base T Unit Inclined Base S Unit 1 2 2 19 INCLINED S T ASS Y Refer to Fig 2 19 Remove the Cap P4 Remove the screw 1 Unlock the support 2 and...

Страница 13: ...op Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L...

Страница 14: ...or Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor...

Страница 15: ...Tracking to the center position Refer to the MECHANICAL ADJUSTMENT GUIDE ROLLER and ELECTRICAL ADJUSTMENT PG SHIFTER Press the ATR button on the remote control for more than 2 seconds during PLAY Make...

Страница 16: ...l Clean the Head C3 1 CLEANING NOTE After cleaning the heads with isopropyl alcohol do not run a tape until the heads dry completely If the heads are not completely dry and alcohol gets on the tape da...

Страница 17: ...EJECT button is available to insert and eject the Cassette Tape 1 C4 1 Ref No Remarks JG001 JG001Q JG001A JG001T JG001B JG001I JG001P JG001S JG002B JG002E JG002F JG005 JG153 JG022 JG024A JG100A JG154...

Страница 18: ...Adjustment Jig JG024A A Cut Position Fig 1 2 B B Tension Adjust 1 3 CONFIRMATION OF PLAYBACK TORQUE AND BACK TENSION TORQUE DURING PLAYBACK Load a video tape T 120 recorded in standard speed mode Set...

Страница 19: ...justed precisely at the factory Adjustment is not necessary as usual When you replace the parts of the tape running mechanism because of long term usage or failure the confirmation and adjustment are...

Страница 20: ...item 2 2 Connect CH 1 of the oscilloscope to TP4001 CH 2 to TP1002 and CH 3 to HOT side of Audio Out Jack Playback the VHS Alignment Tape JG001S or JG001T Refer to SERVICING FIXTURE AND TOOLS Press a...

Страница 21: ...MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 7 8 9 10 X value adjustment driver hole P4 Post T Brake S...

Страница 22: ...1 1 B Read and perform this adjustment when repairing the circuits or replacing electrical parts or PCB assemblies 1 BASIC ADJUSTMENT 1 2 3 4 D2 1 Connect CH 1 on the oscilloscope to TP1002 and CH 2...

Страница 23: ...2 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE SYSCON PCB TU6001 T501 VR1001 ELECTRICAL ADJUSTMENTS D2 2 TP1001 TP1002 TP4001 J4201 TP4201 J4205 J4203...

Страница 24: ...ACC AMP Main CONV 3 58M BPF2 AUTO BIAS P R KIL B D PB AMP 3 58M BPF1 DOUBLE LIM FM DEM SUB LPF V I CONV P R Y LPF YNR COMB N L DEEM NC1 Y C MIX SYNC SEP VCA CLAMP 1 2 FBC Chara INS 6dB P R P R V AGC...

Страница 25: ...LK 14 IIC DATA 17 AFT S CURVE TUNER VCR H TV VCR 27 CV OUT 47 RF CH SW 29 FF REW L 62 C0 76 TAB SW 31 SW1001 RESET AT 5V M CON POWER ON H 58 25 POWER FAIL H 82 SEG 3 9 1 FF REW SW Q1010 RESET SW Q1007...

Страница 26: ...ER VIDEO_OUT SYSCON SERVO TIMER DECK 2 3 6 TV VCR P CON 12V FRONT AV JACK VIDEO J4203 2 FRONT_V_IN TUNER_V Y C AUDIO CCD HEAD AMP TUNER_A 11 IIC_CLK 12 IIC_DATA 23 24 21 SYSCON SERVO TIMER DECK AFT S...

Страница 27: ...TO COUPLER SW T501 8 6 4 5 IC501 KIA431 VOLTAGE CTL IC 1 2 PHOTO COUPLER L501 AC IN Q506 D505 D508 D523 D528 2 7 Q508 P ON SW E 7 P CON 5V SW F501 E 8 P CON 5V P CON 12V POWER_FAIL POWER_ON H 32V SYSC...

Страница 28: ...UP 4 13 12 11 10 9 8 7 6 5 15 14 V651 LTG Y2K22M J SEG_10 5G SYSCON SERVO TIMER DECK 1 3 2 5G SW Q651 SEG10 SW Q652 SEG9 SW Q653 4G SW Q654 SEG8 SW Q655 Q656 Q657 Q658 3G SW Q659 Q660 2G SW Q661 Q662...

Страница 29: ...W036 R548 W014 D507 R537 W015 W057 R509 W056 W052 W024 J4203 J4205_1 J4201_1 C4053 C6003_1 W124 L6002 W155 C6010 W146 R6004 W154 C4209 Q4201 R4201 W803 TP4201 R1058 W033 W843 W816 Q506 W838 SW660 W053...

Страница 30: ...6 C534 R1037 C1053 C1054 C1018 C1020 C1015 R1013 Q1010 R1061 R1004 C1007 C1006 C1004 C1003_1 R1010 R1033 R674 R673 R672 R670 R668 R667 R666 R665 R663 Q664 Q663 Q662 Q660 Q658 Q657 Q656 Q655 Q653 Q652...

Страница 31: ...4 65 66 67 68 69 7 70 71 72 73 74 75 76 77 78 79 8 80 9 RECORD COLOR SIGNAL RECORD LUMINANCE SIGNAL PLAYBACK COLOR SIGNAL PLAYBACK LUMINANCE SIGNAL AUDIO SIGNAL PB AUDIO SIGNAL REC TUNER VIDEO SIGNAL...

Страница 32: ...O_MUTE H GND OSD_V GND CTL GND CTL AT 5V M CON H AMP_SW CTL COMP AT 12 6_V ENV DET CTL H SW P CON 5V P SAVE_OFF_5V IIC_CLK CYL_DRIVE IIC_DATA AFT S CURVE OSD_V P CON 5V TV VCR BOT VIDEO_OUT PGIN RF_CH...

Страница 33: ...6002 0 033 B C4204 0 01 B R6004 1K 1 4W R6010 270 1 4W R6006 10K R6005 22K R4209 75 R4210 100 R4201 470 1 2W R4202 75 R4205 2 2K R4213 560 C6003_1 10 16V KA C4201 470 6 3V YK C4209 10 16V KA W816 W803...

Страница 34: ...PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C514 1000 6 3V YK...

Страница 35: ...IS THE LATEST AT THE TIME R602 2 7K R607 3 3K R605 13K R604 6 8K 1 4W R603 3 9K R601 3 3K R666 180 R665 180 R663 180 R662 180 R661 820 R664 820 R670 180 R667 180 R668 180 R669 820 R671 820 R672 180 R6...

Страница 36: ...T LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VO...

Страница 37: ...T UN4001 CYLINDER UNIT ASS Y NC NC NC PG GND PG OUT GND M COM W OUT V OUT U OUT PG GND PG OUT GND M COM W OUT V OUT U OUT EP LP HEAD SP HEAD CD4001 FFC CP1001 EP LP CH2 L EP LP CH1 R SP CH2 L SP CH1 R...

Страница 38: ...div 6 8 7 PB 200ms 1 0V div PB 200ms 1 0V div POWER ON 50ns 500mV div PB 500 s 1 0V div 9 Y C AUDIO CCD HEAD AMP SYSCON SERVO TIMER PB 2 s 50 0V div 12 POWER WAVEFORMS The following waveforms were mea...

Страница 39: ...ECHANICAL EXPLODED VIEW 703 703 703 PCB010 SYSCON PCB TU6001 J4201 T501 615 620 617 611 613 614 619 702 612 601 602 603 604 605 606 607 608 609 610 610 701 PCB270 OPERATION PCB 701 616 618 704 704 704...

Страница 40: ...DECK PCB ASS Y 303 AA AB AB AB AA AB AA AA AB AB AB AB BA AA 501 356 317 361 309 355 300 502 334 AA UN4001 M2003 510 M101 352 Applying positions AA AB AC and BA for the grease or oil are displayed fo...

Страница 41: ...AA AA AA AB AB AA AA AA AA AA AC AA 307 354 326 327 322 513 350 308 337 AA 325 AB AA AB 300 NOTE Applying positions AA AB AC and BA for the grease or oil are displayed for this section Check if the c...

Страница 42: ...NG EARTH HEAD AMP 613 702WPA0779 PLATE JACK 2PIN 614 755WPA0019 PLATE COVER POWER VA 615 85OP700036 HOLDER EOT SENSOR 616 723000A698 SHEET DISPLAY 617 702WSA0077 PLATE BOTTOM 618 702WSB0015 CABINET TO...

Страница 43: ...001 1594S98001 CAPSTAN DD UNIT F2QSB36 318 85OA400175 TENSION ARM ASS Y M2003 1589S11015 MICRO MOTOR I2OAL01 319 85OA400216 TENSION BAND ASS Y 3V PCB550 A4C831B550 DECK PCB ASS Y VE8851 Q101 000070032...

Страница 44: ...MPB B502 024JT035C1 CORE BEADS FBA04HA600VB 00 TRANSISTORS CD501 1207414902 CORD AC 7414902 or Q502 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT or 120R414901 CORD AC 0R414901 TC5T021204 TRANSISTOR SILI...

Страница 45: ...BON RESISTOR CAPACITORS CC CERAMIC CAPACITOR CE ALUMI ELECTROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACITOR CMPL METAL PLASTIC C...

Страница 46: ...M4E3 15B SPEC NO O R NO K144003...

Страница 47: ...SERVICE MANUAL Please file this revision with the original version VIDEO CASSETTE RECORDER REVISION 1 MFR S VERSION B MVR2041 MFR S VERSION A B IC4001 LA71200M MPB LA71201M MPB...

Страница 48: ...21 R903N8223J RC 22K OHM 1 8W R903N8183J RC 18K OHM 1 8W R4050 R903N8683J RC 68K OHM 1 8W DEL R4205 R903N8222J RC 2 2K OHM 1 8W R903N8103J RC 10K OHM 1 8W PCB010 A4E315B01A SYSCON PCB ASS Y VMX206A A4...

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