Kenwood HM-437WM Скачать руководство пользователя страница 12

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CN605

ZD601

Q604

Q602

CN604

CN603

IC601

IC602

Q605

IC603

IC606

IC604

IC605

IC607

CN606

CN601

Q607

ZD603

CN602

R630

R690

C600

R601

C609

C603

C6112

C608

R686

R609

C601

R658

C677

C674

C615

J675

J668

J616

J662

J661

J654

R640

R639

R638

C676

C675

C6117

C628A

C691

C692

C693

C694

C695

C696

C697
C698

R644

R645

R646

R647

R648

R649

R650

R651

J667

R680

C670

C653

C654

J682

C699

J656

C6103

R612

C646

C652 C670A

C6119

C655

R662

C645

C643

C673

C679

R657

C680

R660

J663

C602

J678

J665

C6101

R605

R602

C611

R604

C686

R611

C6104

C688

C689

C690

C6120

C6113

C605

C678

R661

C610

R683

R684

J650

J612

J648

J642

R614

C685

R613

J619

C6108

C687

R695

J617

J618

C684

J625

J635

J640

C6118

L606

C640

J646

R607

J636

R656 C672

J637

J622

R634

R632

J653

C631

R636

C633

J643

C651

R631

C628

R653

C6121

C636

C663

J639

J602

J603

J633

J632

J609

L616

C658

C620

R626

R627

R625

C613

C613A

R622

C623

C6109

33 32

C624

C625

R629

J657

C667

L611

J601

R615

J658

J659

C621

C620A

C622

R620

R610

B E

J613

J660

R672

C6115

C6114

J676

C661

J614

J615

J655

J610

J644

C6106

C660

C659

C606

C668

C604

C618

C6107

C682

R603

C612

L602

L601

L601A

L603

J638

R687

R685

R659

R675

J606

J607

J608

J634

J624

C642

R608

C616

C644

J671

R679

C641

C635

C634

C619

R633

C632

R635

C650

R652

R682

R677

R674

R678

C629

C637

C617

R666

R676

R665

C638

C627

C6102

C639

R637

R655

X601

J628

C607

L609

J666

C6111

J649

J670

C649

C648

R663

C614

C630

C623

R619

R618

R617

R616

R621

C624

L615

C6110

J669

R654

J621

R606

J620

J630

L612

L613

J604

J652

L614

L607

J623

J626

C665

C666

C664

J627

J605

L605

J677

C656

R669

C647

R668

R670

R673

R667

C669

C657

R671

C662

R628

C626

J629

J611

J647

C681

R688

R664

R693

R697

R681

C683

C671

C6100

C6116

Refer to the schematic diagram for the value of resistors and capacitors.

PC BOARD (Component side view)

Содержание HM-437WM

Страница 1: ...ations No 21 CFR 1040 10 Chapter 1 subchapter J DANGER Laser radiation when open and interlock defeated AVOID DIRECT EXPOSURE TO BEAM Caution No connection of ground line if disassemble the unit Please connect the ground line on rear panel PCBs Chassis and some others CD cover ass y F07 Phone jack E63 1365 08 Power knob K29 8499 08 Display Rec knob K29 8501 08 Search knob K29 8503 08 Cass lid ass ...

Страница 2: ...n not be operated or shows an erroneous dis play if the power cord is unplugged while the power is ON or due to some other external factor If this happens execute the following procedure to reset the microcomputer and re turn the unit to its normal operating condition When the power is on and TUNER input is selected press and hold down the button for more than 2 seconds Please note that resetting ...

Страница 3: ...47WM 3 EXTERNAL VIEW R L SPEAKERS IMPEDANCE 4Ω AC FM ANT AM ANT Rubber foot J02 1563 08 x4 Rear cabinet A80 4535 08 AM Antenna E40 8089 08 Speaker terminal E70 0196 08 AC power cord E30 Refer to parts list on page 26 ...

Страница 4: ...TC9257F U802 7812 12V LCD KEYMAP REMOTE SENSE MUTE CUT Q801 Q802 U601 SC7313S AUDIO SIGNAL SOURCE SELECTOR EQ MODE SEIECTOR VOLUME CONTROL RDS U250 SC6579A PLL CONTROL FUNCTION CONTROL U260 TC9257F G TAPE PRE AMP U301 AN7312E ELECTRONICE SWITCH TRANSISTORS LOGIC CASS DECK W991S 107G RADIO SECTION U201 SA2104S IC601 CD DSP TC94A14FA IC602 CD RF TA2157FN CD MACHINE TCP11TK2PX IC604 MP3 WMA DECODE TC...

Страница 5: ...unit being tested to ON or PLAY 5 Connect external jack terminal contact VTVM across a 1k resistor in the test circuit Set the meter to a high 150V AC scale to avoid meter damage and then touch the points with the test probe If the meter reading indicates less than 3 volts on all test points set the meter to a low 3V AC scale and repeat the test 6 Any reading greater than 0 2 volt indicates a pote...

Страница 6: ... with alcohol Mechanical Torque Use a cassette type torque gauge and check the tape mechanism Take up torque 35 to 70 g cm Rewind torque 50 g cm min Fast forward torque 50 g cm min Pinch Wheel Pressure No adjustment to the pinch roller spring is necessary It should be sufficient to give at least 40 g cm pull force Tape Head Servicing Each time the unit is serviced the face of all heads should be t...

Страница 7: ... Figure 1 VTVM VTVM DUMMY LOAD JK801 SCOPE CH1 CH2 Figure 1 Azimuth Adjustment 2 Insert a 10 kHz test tape Teac MTT 1141V or Equivalent into the tape mechanism and play it back 3 While playing back the test tape slowly turn the azimuth adjusting screw until the amplitude of both channel output waveforms is maximum and in phase See Figure 2 4 Secure the azimuth screw in place with glue or paint aft...

Страница 8: ...or Equivalent into the tape mechanism 4 Insert an insulated alignment tool and adjust the tape speed potentiometer MOTOR until the frequency counter indicates 2940 Hz to 3090 Hz Bias Oscillator Frequency and Level Adjustment 1 Set the function switch to TAPE and the record and play tape mechanism to RECORD 2 Connect a VTVM and frequency counter to test point R P HEAD 3 Adjust bias oscillator coil ...

Страница 9: ...age meter to test point Vt and ground T202 Adjust until Vt equal to 1 5 0 05V 3 1602 kHz 1 kHz 30 mod High end Same as step 2 Confirm Vt 6 5 8 5V 4 612 kHz 1 kHz 30 mod 612 kHz Same as step 1 T203 Maximum output 5 1404 kHz 1 kHz 30 mod 1404 kHz Same as step 1 VC201 Maximum output 6 Repeat steps 4 and 5 to minimize tracking error 7 999 kHz 1 kHz 30 mod 999 kHz Same as step 1 Offset is less than 6 d...

Страница 10: ... and ground L203 Adjust until Vt equal to 2 5 0 05V 2 108 MHz High end Same as step 1 Confirm Vt 7 9V 3 90 1 MHz 90 1 MHz Connect oscilloscope or VT VM to speaker jack L204 Adjust until Maximum output 4 106 1 MHz 106 1 MHz Same as step 3 VC202 Adjust until maximum output 5 Repeat steps 3 and 4 to minimize tracking error FM GENERATOR DUMMY ANTENNA TP1 TEST UNIT OSCILLOSCOPE DUMMY LOAD VTVM R OUT L ...

Страница 11: ...on of unit Rotate or reposition the unit Defect in T203 Check resistance voltage and current Replace as needed Defect AM antenna loop or oscilloscope coil Replace if necessary Intermediate Frequency tuning faulty Readjust see Alignment and Adjustment RF tracking faulty Readjust see Alignment and Adjustment Defective U201 SA2104S Check voltages Replace if necessary Poor contact in antenna circuit C...

Страница 12: ... J609 L616 C658 C620 R626 R627 R625 C613 C613A R622 C623 C6109 1 14 1 6 1 1 1 8 5 1 4 8 5 1 4 64 49 48 16 17 32 33 64 49 48 33 32 17 16 15 28 12 1 15 1 16 2 13 24 7 14 8 C624 C625 R629 J657 C667 L611 J601 R615 J658 J659 C621 C620A C622 R620 R610 B E J613 J660 R672 C6115 C6114 J676 C661 J614 J615 J655 J610 J644 C6106 C660 C659 C606 C668 C604 C618 C6107 C682 R603 C612 L602 1 3 3 1 L601 L601A L603 J6...

Страница 13: ...RED2 1 4 RED1 AC1 AC2 L901 T901 P2 P1 C E C E C E C822 C835 C836 R804 R717 C332 R366 R341 R708 R355 C708 C715 C716 C718 C734 R714 C733 R710 R713 R711 R737 C714 R314 R827 R832 R828 R837 R819 R350 R348 R316 C330 R310 C318 C314 C308 R340 R318 C306 R308 R306 R320 C302 FB305 C338 C337 R338 R337 C882 FB306 C301 R319 R305 R307 R317 C305 C307 R309 C317 C313 R311 R302 C351 R346 C347 R343 R351 R345 R347 R34...

Страница 14: ...2 R163 R168 R169 R180 R167 R153 R154 R157 R156 R155 R146 R165 R115 C114 PH1 R117 R112 R109 J145 J144 J143 R147 J126 J127 R149 J156 R124 SI2 WAIT SCK2 SO2 GND RST J139 C106 C110 C105 C151 R145 R144 R143 R174 5 R111 R164 R188 R182 PH2 R181 J103 J102 C118 C117 R138 R184 R137 R105 R136 J181 R139 R141 R140 C119 J105 C111 R166 C172 J146 R170 R148 J130 R123 R100 R104 C102 R101 R160 R150 J109 J185 R102 R1...

Страница 15: ... W991S 237GWALLEYWOOD MOTOR ERASEHEADR PHEAD ACCORDVDE2M W SOLDERLP 21 POWERTRANSFORMER SECONDARY RED BLACK PRIMARY BLUE RED2 RED1 BLACK1 CN901 GND 14 5V 5 6V PSW AC2 P2 TOACCORD TOXFORMER P1 CN602 CN606 CN603 CN604 CN260 CN402 CN401 CN602 CN701 CN301 CN302 CN804 CN805 CN803 CN802 CN801 CN202 JK8 01 CN806 HEADPHONEPCB CN101 CN102 CN106 CN104 CN103 CN107 LCD1 CN1 05 CN1 09 CN601 AC1 ...

Страница 16: ... U301 AN7312E PIN 1 2 3 V 1 7 V 2 3 V 18 V 0 V 2 3 V 0 V PIN 2 2 3 V 1 6 V 2 0 V 9 V 0 V 2 3 V 0 V PIN 3 4 9 V 0 V 2 3 V 19 5 V 0 V 2 4 V 0 V PIN 4 4 9 V 0 V 2 3 V 0 6 V 0 V 0 V 3 7 V PIN 5 0 5 V 4 1 V 4 7 V 0 2 V 0 V 2 4 V 1 3 V PIN 6 0 V 2 0 V 0 V 18 V 0 V 2 4 V 1 3 V PIN 7 2 7 V 4 1 V 2 3 V 16 V 0 V 2 4 V 0 V PIN 8 0 V 2 0 V 2 3 V 0 3 V 4 9 V 4 8 V 0 V PIN 9 0 V 0 V 0 6 V 1 3 V PIN 10 0 V 0 V 1...

Страница 17: ...V PIN 31 0 1V PIN 63 0 V PIN 32 1 6 V PIN 64 3 2 V PIN 32 0 V PIN 64 0 8V TRANSISTOR Ref No Transistor PIN E PIN B PIN C Ref No Transistor PIN E PIN B PIN C Q101 9014 0 V 0 V 4 5 V Q312 9013 0 V 0 V 0 V Q180 9014 0 V 0 6 V 0 V Q313 8050 0 V 0 V 0 V Q181 9014 0 V 0 6 V 0 V Q314 8050 0 V 0 V 0 V Q182 8550 5 6 V 4 8 V 5 5 V Q315 9014 0 V 0 V 11 1 V Q201 9018 1 1 V 1 8 V 3 7 V Q316 8050 0 V 0 V 0 V Q2...

Страница 18: ...0P 220P C628A C697 220P C696 220P C694 220P C695 220P 60 59 58 57 C693 220P C691 C692 61 62 30 31 38 37 38 37 0 047 C649 C648 0 047 33 470P C651 C650 34 12K R653 36 36 470P R654 10 40 41 R662 470 X601 16 9344MHz R655 1M C655 15P 15P C654 C653 0 1 0 1 C652 F F 33 34 T T FM FM 40 41 DM DM 22 R603 47u16 C604 0 1 C606 DREQ SDA SCL 1 2 3 36 7 6 5 6K R638 5 6K R639 5 6K R640 R697 R695 33K 33K 7 6 R681 1...

Страница 19: ...45 0 022 C347 10K R347 0 1 C348 100K R349 4 7K R351 100u16 C350 10K R350 C349 100u16 C351 1000P 330P C314 220u10 C316 FB304 FB302 C312 100P 10u16 C342 R328 4 7K R326 0 033 C322 4 7u50 C328 100P C320 18K 0 039 C326 4 7K R324 47K R308 1K R320 1K R319 33 R322 47K R307 FB303 C311 100P FB301 C313 330P 220u10 C315 4 7u50 C327 4 7K R323 0 039 C325 33 R321 C319 100P C321 0 033 4 7K R325 R327 18K 12K R329 ...

Страница 20: ... R186 10K R182 1K R188 R185 C118 0 01 C117 0 01 R134 10K 0 01 C116 R133 10K R132 10K R131 10K R130 10K R129 10K R128 10K 29 30 31 32 33 34 35 36 39 B 0 01 C172 220u16 C109 COM0 R174 2 2K 13 12 11 R106 10K 40 R141 10K DREQ SDA 3 2 SCL 1 11 12 13 C183 0 022 1 2 2 1 470 R161 680 R162 1K R163 1 2K R164 1K R165 1 5K R166 1 8K R167 2 2K R168 2 7K R169 2 2K R156 1 8K R155 1 5K R154 1K R153 1 2K R157 1K R...

Страница 21: ... 3006 48 N89 2608 48 N89 3010 48 N89 2606 48 N89 3012 48 N89 3008 48 T901 T902 CN202 AM ANT BM BS 747 759 726 709 719 622 664 663 755 757 756 754 712 723 710 776 643 627 644 646x2 645x2 672x2 672x2 678 678 629 642 615 616 718 614 LCD101 617 660 665 724 666 603 605 604 768x2 768x2 661 607 608 642 667 700 651 651 652 658 650 L901 649 680 641 634 631 635 637 638 636 632 630 640 675 673 674 D E E E D ...

Страница 22: ...90300043703 2 EHES 603 2A A53 2482 08 CASS LID ASSY 800 900437 00 ES 603 2A A53 2483 08 CASS LID ASSY 800 900437 04 EHXH 604 2A G01 4373 08 CASS LID SPRIN 60500033702 5 605 2A A53 2452 08 CASSETTE LID 68900033713 4 607 2A A60 2470 08 FRONT CABINET 800 900437 01 ES 607 2A A60 2471 08 FRONT CABINET 800 900437 05 EHXH 608 2A K29 8499 08 POWER KNOB 68400033707 7 614 2A B11 1611 08 LCD FILTER 621000337...

Страница 23: ... Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C237 CC73GCH1H330J CHIP C 33PF J C238 C91 1685 08 FILM C 390PF J C239 CK73GB1H473K CHIP C 0 047UF K C240 CD04BJ1H010M ELECTRO 1 0UF 50WV C241 CC73GCH1H150J CHIP C 15PF J C242 CK73GB1H473K CHIP C 0 047UF K C247 248 CK73GB1H102K CHIP C 1000PF K ...

Страница 24: ...K USA P Canada R Mexico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C652 653 CK73GB1H104K CHIP C 0 10UF K C654 655 CC73GCH1H150J CHIP C 15PF J C659 RK73GB1J682J CHIP R 6 8K J 1 16W C663 CK73GB1H...

Страница 25: ...pe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks L901 L33 1703 08 CHOCK COIL 15500040001 5 T201 L30 0992 08 AM IFT 14000520001 7 T202 E35 3714 08 IFT 10MM RED 14000101401 5 T203 L33 1062 08 AM ANT COIL 15208643601 4 T360 L32 1060 08 REC BIAS OSC 15200005303 9 T901 L07 3304 08 POWER TRANSFOR 17700...

Страница 26: ...urope X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R254 RK73GB1J220J CHIP R 22 J 1 16W R256 RK73GB1J104J CHIP R 100K J 1 16W R258 RK73GB1J220J CHIP R 22 J 1 16W R259 RK73GB1J103J CHIP R 10K J 1 16W R261 263 RK73GB1J102J CHIP R 1 0K J 1 16W R265 266 RK73GB1J102J CHIP R 1 0K J 1 16W R267 RK73GB1J5...

Страница 27: ...ssia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R664 RK73GB1J472J CHIP R 4 7K J 1 16W R675 RK73GB1J222J CHIP R 2 2K J 1 16W R679 RK73GB1J103J CHIP R 10K J 1 16W R680 RK73GB1J220J CHIP R 22 J 1 16W R681 RK73GB1J103J CHIP R 10K J 1 16W R683 RK73GB1J332J CHIP R 3 3K J 1 16W R684 RK73GB1J222J CHIP R 2 2K J 1 16W R685 ...

Страница 28: ...503 4 ZD601 MTZJ5 6 B ZENER DIODE 30305005607 2 ZD603 MTZJ2 2B ZENER DIODE 30305002202 7 ZD801 MTZJ9 1 B ZENER DIODE 30305009103 4 ZD802 MTZJ6 2 B ZENER DIODE 30305006207 4 ZD803 MTZJ5 6 B ZENER DIODE 30305005607 2 ZD804 MTZJ8 2 B ZENER DIODE 30305008202 4 BM 2B D16 0809 08 MAIN BELT BS 2B D16 0810 08 SUB BELT PF 2B D14 0832 08 PINCH ROLLER RPH 2A R P HEAD HASVH5515A New Parts Parts without Parts ...

Страница 29: ...deck section Track 4 track 2 channel stereo General Power consumption 25 W Dimensions W 145mm 5 11 16 H 210 mm 8 1 4 D 227 mm 8 15 16 Weight net 2 8 kg 6 2 lb Speakers Enclosure Bass reflex type Speaker configuration Full range 100 mm cone type Impedance 4 Ω Maximum input level 10W Dimensions W 130 mm 5 1 8 H 208 mm 8 3 16 D 161 mm 6 5 16 Weight net 1 2 kg 2 7 lb 1 piece Notes KENWOOD follows a po...

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