Kenwood DMF-9020, Service Manual

Page 1: ...ING MECHANISM 24 bit Rec Play D R I V E 0 1 4 8 7 3 ENTER TIME DISPLAY U P DOWN PUSH SET SEARCH JOG DIAL REC LEVEL REC BALANCE MIN L R MAX REC MODE CHARAC POWER O N OFF TEXT R L SYSTEM CONTROL PLAY OUT OPT COAX REC IN 3 COAX 1 COAX 2 OPT D I G I T A L L I N E PLAY OUT REC I N R L Knob K27 2178 04 Knob K29 6700 03 Knob K29 6692 04 Front glass B10 2362 04 Phone jack E63 0190 05 Metallic cabinet A01 ...

Page 2: ...th the POWER key left to ON unplug the power cord from the power outlet then while holding the eject 0 key depressed plug the power cord again Please note that resetting the microprocessor clears the contents stored in it returns the microprocessor to the condition when it left the factory Before transporting or moving this unit carry out the following operations 1 Set the POWER key to ON without ...

Page 3: ...ng input from the source while the unit is in stop mode FADE DELETE key FADE Press to switch the fade mode ON OFF DELETE During title editing press to delete a character During track editing press to delete a track Mini Disc insertion slot When a Mini Disc is inserted while the unit is in the standby mode it is turned ON automatically Eject 0 key Press to eject the Mini Disc Manual search down 1 k...

Page 4: ...odel RC M0905 Infrared ray system 3MONITOR key Press to monitor the sound being input from the source while the unit is in stop mode METER key Press to switch the level meter display contents RANDOM key Press to initiate the random play mode REPEAT key Press to switch the repeat modes for repeat playback 1ON STANDBY key Press to turn the unit between ON and STANDBY modes 5Recording related keys RE...

Page 5: ...C u COM VDD u COM 5V 33V FL AC DIGITAL IC5 HEAD RECORDING CONTROL REMOTE 3 3V E PROM 2 HEAD DRIVER 3 3V 5 0V 12V 3 3V 4Mx1 SENSOR 24bit RESOLUTION D A CONVERTER DIGITAL DIGITAL 24bit OSC ANALOG IC11 2 2 MUTE Q16 19 IC22 1 2 IC21 1 3 IC21 2 3 IC10 IC6 IC39 2 2 FIP12XM1GA A1 S25 S3 IC34 IC39 1 2 IC7 IC13 14 J1 A1 A2 J7 D1 Q42 44 Q11 Q7 8 Q13 IC24 IC25 IC15 SRAM 5V SHUNT OUT IN ANALOG 2V 0 3K 0 5V 22...

Page 6: ...rom CXD2652AR IC2 48 DQSY I U bit of digital IN SUB Q sync input of CD format from CXD2652AR IC2 50 MNT1 I Input port of track jump detection from CXD2652AR IC2 51 Vdd Microprocessor power supply 5V 52 AVref 0 A D reference voltage Connect Vdd 53 56 KR0 KR3 I Key return KR0 KR3 57 TMSW I Timer switch input 0 0V OFF 1 25V PLAY 3 7V REC 5 0V 58 INISW1 I Detection selector 59 BACK I Back up voltage d...

Page 7: ...R MODE NORMAL MODE AUTO TNO TIME 2 sec AUTO TNO LEVEL 0 55 dB REC END WRITE ON DRIVE ON PRESET TITLE PRE1 Pops PRE2 Rock PRE3 Classic PRE4 Jazz PRE5 Disco PRE6 Best Hits PRE7 Air Check PRE8 No PRE9 Vol Backup item 1 5 Key voltage matrix Model INISW INISW DMF 9020 3 5 V MD 2070 HIGH 1 4 Switch control table No Name I O Description 66 SWDT O Data for writing to CXD2652AR IC2 67 SCLK O Serial clock t...

Page 8: ...ata bus L POWER DOWN 44 ASTB SRAM control address strobe signal output 45 VSS Microprocessor GND 46 TEST Microprocessor TEST 47 48 NC O no use 49 MENA O Mechanism microprocessor enable 50 MRXD Mechanism microprocessor data in line UART 51 MTXD O Mechanism microprocessor data out line UART 52 54 NC O no use 55 VDD Microprocessor power supply 56 61 NC I no use 62 CTR_JIS I Cyber titler for JIS code ...

Page 9: ...9 R407 R312 R401 R412 C170 C169 R327 R326 R342 R311 R322 R336 R323 C305 R320 R390 C401 R170 R110 R18 R9 R115 R112 R101 C206 R105 C109 C108 R389 R102 R103 C99 R104 R413 R415 R140 R374 R352 R156 R381 R380 R379 R222 C218 C217 R230 R193 C316 R295 C221 R237 R282 C205 R194 R296 R315 R341 R393 R314 R288 R346 R340 R348 R347 R337 R362 R335 R334 R351 R353 R370 R371 R196 R457 R221 R391 R285 C229 C411 C110 C1...

Page 10: ...F G I H J 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 10 DMF 9020 K INT1 1P 98 11 267 06PM y W 17 ...

Page 11: ...K M O Q S L N P R T 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 11 12 DMF 9020 K INT2P 98 11 265 37PM y W 2 ...

Page 12: ...05 0 01 6800P 1 3 2 5 4 C113 1 4700P C112 0 47 C132 R134 1K 150 R140 0 015 C131 C133 4700P R137 100 C135 0 1 L11 C136 6 3 100u 0 1 C191 C110 0 1 R144 100 R123 R125 100 100u6 3 C121 0 1 C123 6 3 1 2 0V TV 3 3V TEST 8 7 4 GND SDA SCL 5 0 1 C171 10K R170 10K R171 8 7 6 5 2 1 3 4 R127 100 C22 2P C21 2P C146 0 1 R173 1M L3 100uH C160 10u10 C200 10 2 1 4 3 5 C143 C144 C142 R142 R143 C122 R121 100K 0 01 ...

Page 13: ...B GND 1 C187 100u 1 C195 100u C190 6 3 R124 100 6 3 100 R120 W4 W3 W2 1 2 3 10 9 8 7 6 5 4 3 2 1 2 1 11 12 13 14 15 2 1 3 1 2 4 3 4 7K R1 R2 180 PHOTO SW REC SW SPDL SPDL NC 5V DISC IN SLED SLED REFRECT PROTECT GND STTLMT LOAD OUT LOAD IN 0 1 C196 B B 5V 5V 5V M 5V 5V 3 3V 5V H 5V H 5V 5V 5V 5V IC10 MDM 04 X29 2580 00 A 2 X29 B 2 A B DMF 9020 9020 S MD 2070 K 1 3 5V 1 1V 3 3V 5 1V M O N K L N Y22 ...

Page 14: ...27 5V 29 H GND 5 3 1 7 3 10 4 7 9 8 6 5 3 2 1 11 17 14 12 13 15 16 18 19 20 4 GND 7 5 6 8 10 9 VCC 3 2 12 11 13 1 14 R304 100K 20 100K R305 100K R306 35 R308 100K GND 7 6 8 5 4 2 3 1 11 10 9 13 12 14 VCC 13 7 GND 6 5 4 3 2 8 9 10 12 11 1 14 VCC C325 0 01 0 01 C301 1 3 5 31 36 65 12 8 13 13 45 48 47 50 21 32 5 3 1 1 3 5 33 16 18 19 28 27 24 23 25 26 R312 1 8K R311 2 7K 4 7 VREF IN1 9 OUT1 8 GND VS ...

Page 15: ...A11 A12 A13 A14 A15 RD WR CS VDD AVREF1 GND AVREF2 AVREF3 DOSY SRDT RXD TXD 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 D2 D1 D0 STB GND CENA CTXD CRXD VDD VSS X1 X2 VDD RESET X MODE SCLK 0 01 C312 0 1 C321 R300 100K R364 100K R341 100K R298 1M R315 100K R313 100K R314 100K R324 100K R338 100K R325 100K 78 73 R299 R369 100K R368 10...

Page 16: ...62K R20 3300u16 C41 0 01 C36 100u50 C37 100P C39 10u50 C38 10u50 C40 10u50 C42 1K R19 100P C35 R22 2 2K R103 47K R102 47K 100K R125 47K R126 C101 100u10 9 8 7 6 5 4 3 2 1 AUDIO GND AUDIO SYSTEM FL AC SYSTEM GND VFL FL AC C13 220u16 62 C122 1000P RXD TXD CYBER TITLER 2 1 L1 L2 100K R292 330 R359 14 100K R360 R358 100K 330 R293 15 R294 100K R189 330 5 0 01 C317 INPUTS ST SELECT H L L L L X X X B A L...

Page 17: ... 6V 7 6V 7 6V 7 6V 7 6V 7 6V 7 6V 7 6V 7 6V 7 6V 7 6V 7 6V 7 6V 8V 8V 8V 8V 8V 8V 8V 8V 8V 8V 8V 8V 8V 8V 8V IC17 18 8V SERIAL OUTPUT INTERFACE HIGH PASS FILTER FILTER HIGH PASS DECIMATION FILTER DIGITAL FILTER DECIMATION DIGITAL FILTER FILTER LP LP DAC DAC REFERENCE VOLTAGE R83 R85 0 00 JAPAN J2 NO UNIT No DESTINATION COUNTRY ABB NO YES R371 454 457 R299 YES CN5 NO CN7 YES NO E4 CN7 ABB COUNTRY D...

Page 18: ... U 5V R32 1K 49 50 51 G6 G5 G4 49 50 51 47 G8 48 G7 47 48 U 5V 1000P Q1 5 R35 C10 22K U 5V R17 8 2K R20 2 7K R19 1 8K R15 2 7K R16 4 7K R14 1 8K 34 R34 1K AA5 G15 AA8 G12 44 G11 45 G10 46 G9 AA6 G14 AA7 G13 41 42 43 43 44 45 46 1K R33 37 AA4 G16 AA2 38 AA3 39 40 AM34 35 AM35 36 AA1 34 35 R36 100K 1000P C11 U 5V C12 R37 22K 1000P R38 32 31 30 32 31 AM32 AM31 AM30 33 AM33 1K 33 40 42 41 C16 R39 100K...

Page 19: ...G2 AM28 28 52 G3 AM29 29 51 G4 AM30 30 50 G5 AM31 31 49 G6 AM32 32 1K R47 17 2 54 48 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 53 52 51 50 49 47 46 45 44 43 35 34 R28 10K C6 100P 14 15 16 17 1 2 11 12 1K R32 R33 1K R34 1K R38 1K 1000P C10 1000P C11 R35 22K 100K R36 1000P 22K R37 C12 220P 100K R39 C16 64 63 62 64 62 63 40 41 42 10K R27 C5 0 01 R24 10K R25 10K R...

Page 20: ...9 05 N09 4145 05 19 3 30 17 39 9 20 28 6 31 33 25 38 18 32 2 37 7 24 1 4 34 21 48 10 47 5 27 26 15 16 22 36 35 12 23 41 48 LM DM FM PU 29 29 40 29 29 13 11 RH 8 849 42 B A 27 26 18 AE AF AG AH M1 7x4 5 ø2x4 ø2x8 ø2 6x6 BLK N39 1745 46 N82 2004 46 N89 2008 46 N89 2606 45 When assembling a mechanism adjust slit A and slit B of the main slider Ref No 18 and the main gear Ref No 27 The figure which wa...

Page 21: ... 14 E 5 X 14 D 5 A B C D E F G J K L M Q ø2 6x8 ø2 6x10 øM4x6 BLK ø3x6 BLK ø3x8 BLK ø3x8 ø3x30 N09 0982 05 N09 1445 05 N09 2817 05 N09 3304 25 N09 3324 05 N82 2608 46 N82 2610 46 N86 4006 45 N89 3006 45 N89 3008 45 N89 3008 46 N89 3030 46 L PLAY OUT REC IN S 1 J 1 X00 2840 01 A 2 X25 6170 00 Ex6 707 DMF 9020 630 612 620 602 646 631 601 635 632 660 625 609 619 667 649x2 726 29P 635 29P 782 713 780 ...

Page 22: ...X Far East Hawaii T Europe E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components H10 7546 02 POLYSTYRENE FOAMED FIXTURE H10 7547 02 POLYSTYRENE FOAMED FIXTURE H11 0088 04 POLYSTYRENE FOAMED BOARD H12 2457 04 PACKING FIXTURE H25 0232 04 PROTECTION BAG 235X350X0 03 E2 H25 0232 04 PROTECTION BAG 235X350X0 03 K1P1E1 H25 0368 ...

Page 23: ...C18 CK73FB1H103K CHIP C 0 010UF K C19 CE04KW1C470M ELECTRO 47UF 16WV C20 21 CE04KW1C472M ELECTRO 4700UF 16WV C22 CK73FB1H103K CHIP C 0 010UF K C23 CE04KW1C220M ELECTRO 22UF 16WV C24 CC73FSL1H101J CHIP C 100PF J C25 CE04KW1A101M ELECTRO 100UF 10WV C26 27 CK73FB1H103K CHIP C 0 010UF K C28 CE04KW1A471M ELECTRO 470UF 10WV C29 30 CE04KW1H010M ELECTRO 1 0UF 50WV C31 CK45FF1H103Z CERAMIC 0 010UF Z C32 C9...

Page 24: ...T Europe E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components C405 CK73FB1H103K CHIP C 0 010UF K C406 CK73FB1H102K CHIP C 1000PF K C407 CK73FF1E104Z CHIP C 0 10UF Z C408 CK73FB1H102K CHIP C 1000PF K C409 CK73FF1C105Z CHIP C 1 0UF Z C410 CC73FCH1H680J CHIP C 68PF J C411 CC73FCH1H330J CHIP C 33PF J C451 452 CC73FSL1H221J C...

Page 25: ... X Australia Q Russia H Korea M Other Areas indicates safety critical components R214 216 RK73FB2A750J CHIP R 75 J 1 10W R217 RK73FB2A470J CHIP R 47 J 1 10W R218 RK73FB2A150J CHIP R 15 J 1 10W R219 RK73FB2A221J CHIP R 220 J 1 10W R220 RK73FB2A151J CHIP R 150 J 1 10W R221 RK73FB2A104J CHIP R 100K J 1 10W R222 RK73FB2A333J CHIP R 33K J 1 10W R223 230 RK73FB2A104J CHIP R 100K J 1 10W R231 RK73FB2A243...

Page 26: ...PX Far East Hawaii T Europe E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components D36 38 DA204K DIODE IC1 2 ICP N10 ANALOGUE IC IC4 PST993D T ANALOGUE IC IC5 LM431AIZ ANALOGUE IC IC7 AD1855 MOS IC IC8 CS5360 MOS IC IC10 11 NJM4580ED ANALOGUE IC IC13 14 NJM4565MD IC OP AMP X2 IC15 TC74AC86F MOS IC IC16 TC74AC112F MOS IC IC...

Page 27: ...1 C92 0048 05 ELECTRO 100UF 6 3WV C182 183 CK73FF1E104Z CHIP C 0 10UF Z C184 C92 0149 05 CHIP ELE 22UF 8WV C185 C93 0031 05 CHIP C 1000P 500V C187 C92 0048 05 ELECTRO 100UF 6 3WV C188 CK73FB1H103K CHIP C 0 010UF K C189 CK73FB1H333K CHIP C 0 033UF K C190 C92 0048 05 ELECTRO 100UF 6 3WV C191 CK73FF1E104Z CHIP C 0 10UF Z C195 CK73FF1C105Z CHIP C 1 0UF Z C196 197 CK73FF1E104Z CHIP C 0 10UF Z C200 C93 ...

Page 28: ...V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components 11 3A D13 1792 08 RACK GEAR 12 2B G02 1616 08 FLAT SPRING THRUST 13 3A G02 1618 08 FLAT SPRING SUB 15 2A D10 3685 08 SHAFT SUB 16 2A D10 3694 08 SHAFT MAIN 17 1A D21 1859 08 SHAFT JOINT 18 2B D10 3686 08 SLIDER MAIN 19 1A D10 3687 08 SLIDER LD 20 1A D10 3689 08 ARM CLAMP 21 2A D10 3692 0...

Page 29: ... Bankok 10301 Thailand Note Component and circuit are subject to modification to insure best operation under differing local conditions This manual is based on Europe E standard and provides information on regional circuit modification through use of alternate schematic diagrams and information on regional component variations through use of parts list 1 KENWOOD follows a policy of continuous adva...