Denon BU4500 - Dual Drive DJ CD Player Service Manual Download Page 25 | Manualshive

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25

DN-D4500 / BU4500

GU-3674 MAIN P.W.B. UNIT(2/2)

FOIL SIDE

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Summary of Contents for BU4500 - Dual Drive DJ CD Player

Page 1: ...anual with referring to the operating instructions without fail Some illustrations using in this service manual are slightly different from the actual set 8 X0233 V 03 DE CDM 0703 SERVICE MANUAL DOUBL...

Page 2: ...cted for servicing have been put back in their original posi tions inspect that no parts around the area that has been serviced have been negatively affected conduct an insulation check on the externa...

Page 3: ...t 1 Detach 2 Blind labels on the bottom chassis 2 Move CD mecha rack in the arrow direction through the label detached chassis opening Loader Frame comes out 3 Pull up Loader panel while pulling it to...

Page 4: ...to prevent Flat cable damage Do not fail to pull AC cord from wall outlet before disconnect the Flat cable If AC cord is remained plugged into wall outlet power is kept supplied in the unit which may...

Page 5: ...Do not fail to pull AC cord from wall outlet before disconnect the Flat cable If AC cord is remained plugged into wall outlet power is kept supplied in the unit which may cause danger REMOTE CONTROL U...

Page 6: ...6 DN D4500 BU4500 BLOCK DIAGRAM...

Page 7: ...7 DN D4500 BU4500...

Page 8: ...higher the value the higher the gain while the lower the value the lower the gain Do not change this without instruction from engineering 05 Tr_Gain Select the tracking gain Default 2 The operation i...

Page 9: ...g and writing SDRAM of DSP are checked 3 Reading and writing SDRAM of servo DSP are checked 4 Communications between the system com and servo DSP are checked 5 The CD drive operation is checked Inner...

Page 10: ...No yyyy New Version No 2 Press the PLAY PAUSE button NowLoading is displayed and the updating procedure starts As updating proceeds the playback position indicator lights in order from left to right...

Page 11: ...Ext memory data I O 7 DSP interface 7 13 D08 D8 I O Ext memory data I O 8 DSP interface 8 14 D09 D9 I O Ext memory data I O 9 DSP interface 9 15 D10 D10 I O Ext memory data I O 10 DSP interface 10 16...

Page 12: ...61 PA5 SBT1 MCLK2 O Servo DSP2 interface clock clock sync 62 PB0 SBI2 DSPTXD RXD I Pu H DSP interface receive UART 63 PB1 SBO2 DSPRXD TXD O Pu H DSP interface send UART 64 PB2 SBT2 O iPu L 65 PB3 SBI...

Page 13: ...u CD2 Tray open SW 113 PD7 TM7IO CLOSESW2 I iPu CD2 Tray close SW 114 A09 A09 O Ext memory address 9 115 A10 A10 O Ext memory address 10 116 A11 A11 O Ext memory address 11 117 A12 A12 O Ext memory ad...

Page 14: ...VDDRTC VDDRTC I Real Time Clock power supply 3 3V 19 GND GND GND 20 VDDEXT VDDEXT I I O power supply 3 3V 21 PPI_CLK I L L PPI clock 22 PPI0 O L PPI data 0 23 PPI1 O L PPI data 1 24 PPI2 O L PPI data...

Page 15: ...signal serial port OUT 0 70 GND GND GND 71 VDDEXT VDDEXT I I O power supply 3 3V 72 TSCLK0 ABCLK I Analog playback send frame sync BCK signal serial port OUT 0 73 DR0SEC I L L Playback data receive 1...

Page 16: ...upply 1 2V 144 GND GND GND 145 VDDEXT VDDEXT I I O power supply 3 3V 146 ADDR4 ADDR4 I O Ext bus address 4 147 ADDR3 ADDR3 I O Ext bus address 3 148 ADDR2 ADDR2 I O Ext bus address 2 149 ADDR1 ADDR1 I...

Page 17: ...S O SDRAM CAS control signal output 17 NRAS O SDRAM RAS control signal output 18 NCS O SDRAM chip select signal output 19 A3 O SDRAM address signal output 3 20 A2 O SDRAM address signal output 2 21 A1...

Page 18: ...t 61 LOVDD1 I Power supply for lineout output 62 N C 63 TMON1 O Test monitor output 1 64 N C 65 N C 66 TMON2 O Test monitor output 2 67 DVDD3 I Power supply 3 for digital circuits 68 DVSS2 I GND 2 for...

Page 19: ...input 4 22 P13 KEYOUT3 O Pu H H Key scan input 3 23 P12 KEYOUT2 O Pu H H Key scan input 2 24 P11 KEYOUT1 O Pu H H Key scan input 1 25 P10 KEYOUT0 O Pu H H Key scan input 0 26 AIN0 PIT1 A I CD1 Pitch...

Page 20: ...lected Shift clock input Serial input data is taken and shifted by the positive edge of SCK Serial data input Clock input Clock output When use as a CR oscillator connect external resistor andcapacito...

Page 21: ...4 ON H Active Loading Traverse Others Spindle Focus Tracking PVcc3 PVcc1 D2 D2 D4 D4 D1 D1 D5 D5 D3 D3 Standby Band gap Vcc Vref Reser Circuit 1 7 8 14 15 21 22 28 E 4 5 32 31 30 29 27 28 17 6 7 8 11...

Page 22: ...ored and previous operation continues 18 RAS Row Address Strobe Command input When sampled at the rising edge of the clock RAS CAS and WE define the operation to be executed 17 CAS Column Address Stro...

Page 23: ...23 DN D4500 BU4500 2 FL DISPLAY 14 MT 37GN FL701 801 Pin Connection Anode Connection Segment Designation...

Page 24: ...24 DN D4500 BU4500 PRINTED WIRING BOARDS GU 3674 MAIN P W B UNIT 1 2 COMPONENT SIDE...

Page 25: ...25 DN D4500 BU4500 GU 3674 MAIN P W B UNIT 2 2 FOIL SIDE...

Page 26: ...26 DN D4500 BU4500 GU 3675 POWER P W B UNIT 1 2 COMPONENT SIDE...

Page 27: ...27 DN D4500 BU4500 GU 3675 POWER P W B UNIT 2 2 FOIL SIDE...

Page 28: ...28 DN D4500 BU4500 GU 3676 REMOTE P W B UNIT 1 2 COMPONENT SIDE...

Page 29: ...29 DN D4500 BU4500 GU 3676 REMOTE P W B UNIT 2 2 FOIL SIDE...

Page 30: ...burning type RW Winding 3A 1W K 10 FR Fuse resistor RN Metal film 3D 2W M 20 F Lead wire forming RK Metal mixture 3F 3W 3H 5W CE Aluminum foil 0J 6 3V F 1 HS High stability type electrolytic CA Alumin...

Page 31: ...00D 262 3407 004 128M SDRAM TSOP PBF IC403 404 00D 262 2640 901 SN74LV245APW EL2 IC405 00D 262 2959 906 SN74LV244APW REF IC406 00D 262 2640 901 SN74LV245APW EL2 IC408 00D 262 2518 907 SN74LV74APW EL2...

Page 32: ...3KT 1608 C124 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C127 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C128 00D 254 4302 958 CE04W1A470MT SRE C129 nsp 00D 257 0504 937 CC73CH1H300JT 1608 C131 132 00D 254 43...

Page 33: ...04ZT 1608 C215 nsp 00D 257 0501 901 CK73B1H103KT 1608 1608 C216 nsp 00D 257 0510 950 CK73B1H682KT 1608 C217 220 nsp 00D 257 0509 990 CK73B1H222KT 1608 C221 00D 254 4302 958 CE04W1A470MT SRE C222 223 n...

Page 34: ...08 C302 00D 254 4300 947 CE04W0J470MT SRE C303 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C304 nsp 00D 257 0501 901 CK73B1H103KT 1608 1608 C307 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C308 309 nsp 00D 257...

Page 35: ...p 00D 257 0509 929 CK73B1H102KT 1608 C461 nsp 00D 257 0501 901 CK73B1H103KT 1608 1608 C462 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C463 nsp 00D 257 0509 929 CK73B1H102KT 1608 C464 465 nsp 00D 257 0501...

Page 36: ...K73B1H102KT 1608 C575 nsp 00D 257 0501 901 CK73B1H103KT 1608 1608 C576 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C577 00D 254 4302 974 CE04W1A101MT SRE C579 00D 254 4305 968 CE04W1H010MT SRE C582 585 nsp...

Page 37: ...FIL 21A05 C FB301 302 nsp 00D 235 0158 901 CHIP BEADS 18PG121 1608 FB401 nsp 00D 235 0158 901 CHIP BEADS 18PG121 1608 JK501 00D 204 8664 024 3P PIN JACK JK551 00D 204 8664 024 3P PIN JACK JK552 553 00...

Page 38: ...257 0512 903 CK73F1E104ZT 1608 C607 nsp 00D 257 0509 929 CK73B1H102KT 1608 C608 00D 254 4536 931 CE04W1A221MT SMG RE3 C609 611 nsp 00D 257 0512 903 CK73F1E104ZT 1608 C612 00D 254 4536 931 CE04W1A221MT...

Page 39: ...P FFC CON BASE F601 00D 206 1087 044 FUSE ET0 5A for E3 F601 00D 206 1087 086 FUSE ET0 315A for E2 E2K F602 00D 206 1091 014 FUSE ET5A FB601 602 nsp 00D 235 0130 903 CHIP EMIFIL 11A121 1608 FF602 nsp...

Page 40: ...ORG TAPE LD807 808 00D 393 9543 907 SLR 325VC RED TAPE LD809 810 00D 393 9543 910 SLR 325MC GRN TAPE LD811 00D 393 9653 907 SML79420C TP15 CAPACITORS GROUP C701 nsp 00D 257 0512 903 CK73F1E104ZT 1608...

Page 41: ...H TA ALPS S716 722 00D 212 5604 907 TACT SWITCH TA ALPS S723 00D 212 0410 002 ROTARY ENCODER JOG S801 00D 212 0352 018 JOG SHUTTLE S804 806 00D 212 5604 907 TACT SWITCH TA ALPS S808 810 00D 212 5604 9...

Page 42: ...REMOTE CONTROL UNIT RC D45 A A 10 1 1 1 2 1 3 2 3 4 4 5 6 6 7 7 8 9 11 10 11 12 13 12 13 51 55 52 52 53 53 54 Parts marked with this symbol have critical characteristics Use ONLY replacement parts rec...

Page 43: ...ISPLAY1 UNIT 1 2 DISPLAY2 UNIT 1 3 RC CPU UNIT 2 nsp 00D 441 1984 009 RC FRONT SUB PANEL 1 3 00D 144 2832 123 RC FRONT PANEL 1 4 nsp 00D 143 1072 004 LENS 4 5 00D 146 2407 004 WINDOW 2 6 00D 119 0122...

Page 44: ...1 2 1 2 2 2 3 2 4 27 2 5 3 5 6 7 8 9 11 26 11 12 12 13 13 14 15 17 18 18 19 20 21 22 23 24 24 54 54 59 51 54 52 55 55 56 57 56 57 55 55 51 51 54 54 54 55 37 52 58 53 58 53 51 51 51 54 54 54 54 54 Part...

Page 45: ...nsp 00D 412 4812 015 SPRING PLATE 2 11 00D 337 0100 006 CD MECHA CD11FTA3N 2 12 nsp 00D 443 1606 008 FFC HOLDER 2 13 nsp 00D 412 5228 006 MECHA BRACKET 2 14 nsp 00D 412 5229 005 PWB FRAME 1 15 nsp 00D...

Page 46: ...BEL K SUB ASSY for E2K 1 44 nsp 00D GEN 6154 MANUFAC DATE SUB ASSY for E3 1 SCREWS 51 nsp 00D 473 7002 005 3X6 CBTS S Z 13 52 00D 471 3303 029 3X6 CBS B 4 53 00D 471 9050 020 3X6 FHHS MFZNII B 12 54 n...

Page 47: ...in stock and possibly to take a long period of time for supplying or in some case supplying of part may be refused Ref No nsp Part No Part Name Remarks Q ty New 1 nsp 00D 964 0009 006 FRAME CHASSIS 1...

Page 48: ...10 105 LOADING TABLE 1 13 00D 964 0010 901 LOADING MOTOR 1 14 nsp 00D 964 0010 202 5P PLUG 1 15 00D 964 0010 309 PUSH SWITCH 2 1 2 16 nsp 00D 964 0010 406 CUSHION 9 17 nsp 00D 964 0010 503 CUSHION 2 1...

Page 49: ...n Remarks indicate the following destinations E3 U S A Canada model E2 Europe model E2K Korea model Ref No nsp Part No Part Name Remarks Q ty New 201 nsp 00D 503 1001 507 CUSHION 2 202 nsp 00D 503 101...

Page 50: ...lumn Remarks indicate the following destinations E3 U S A Canada model E2 Europe model Ref No nsp Part No Part Name Remarks Q ty New 201 nsp 00D 503 1001 507 CUSHION 2 202 nsp 00D 502 0881 000 PAD ASS...

Page 51: ...202 CX202 LOAD 1 1 LOAD KEYOUT3 1 20 KEYOUT3 LOAD 2 2 LOAD KEYOUT2 2 19 KEYOUT2 OPEN 3 3 OPENSW2 CX211 CY211 CX111 CY111 KEYOUT1 3 18 KEYOUT1 GND 4 4 GND 5VA 1 5VA TXDRC 1 1 RC RXD KEYOUT0 4 17 KEYOUT...

Page 52: ...k If the leakage current exceeds 0 5 milliamps or if the resistance from chassis to either side of the power cord is less than 460 kohms the unit is defective WARNING DO NOT return the unit to the cus...

Page 53: ...SIGNAL LINE 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H SCHEMATIC DIAGRAMS 1 5 DN D4500 BU4500 SCHEMATIC DIAGRAMS 1 5 GU 3674 MAIN UNIT 1 3...

Page 54: ...SIGNAL LINE 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H SCHEMATIC DIAGRAMS 2 5 DN D4500 BU4500 SCHEMATIC DIAGRAMS 2 5 GU 3674 MAIN UNIT 2 3...

Page 55: ...SIGNAL LINE 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H SCHEMATIC DIAGRAMS 3 5 DN D4500 BU4500 SCHEMATIC DIAGRAMS 3 5 GU 3674 MAIN UNIT 3 3...

Page 56: ...3 4 5 6 7 8 9 10 11 A B C D E F G H SCHEMATIC DIAGRAMS 4 5 DN D4500 BU4500 SCHEMATIC DIAGRAMS 4 5 GU 3675 1 LED1 UNIT GU 3675 2 LED2 UNIT GU 3675 3 OP CL UNIT GU 3675 4 POWER UNIT GU 3675 5 CONNECT U...

Page 57: ...1 2 3 4 5 6 7 8 9 10 11 A B C D E F G H SCHEMATIC DIAGRAMS 5 5 DN D4500 BU4500 SCHEMATIC DIAGRAMS 5 5 GU 3676 1 DISPLAY1 UNIT GU 3676 2 DISPLAY2 UNIT GU 3676 3 RC CPU UNIT...

Page 58: ...he recycling processing Europe model only Ref No WEEE Mark Part Name Material Q ty 1 REMOTE P W B UNIT ASS Y Complex 1 1 1 DISPLAY1 UNIT 1 2 DISPLAY2 UNIT 1 3 RC CPU UNIT 2 RC FRONT SUB PANEL Steel 1...

Page 59: ...loded view of Remote control unit RC D45 You have to remove the parts that marked WEEE mark when the recycling processing Europe model only A A 10 1 1 1 2 1 3 2 3 4 4 5 6 6 7 7 8 9 11 10 11 12 13 12 1...

Page 60: ...2 11 CD MECHA CD11FTA3N Complex 2 12 FFC HOLDER ABS 2 13 MECHA BRACKET Steel 2 14 PWB FRAME Steel 1 15 FRAME FIX BRACKET Steel 1 16 CORD BUSH PA 66 1 17 FRONT SUB PANEL Steel 1 18 BLIND SHEET Leather...

Page 61: ...4 54 54 10 16 4 1 2 1 2 2 2 3 2 4 27 2 5 3 5 6 7 8 9 11 26 11 12 12 13 13 14 15 17 18 18 19 20 21 22 23 24 24 54 54 59 51 54 52 55 55 56 57 56 57 55 55 51 51 54 54 54 55 37 52 58 53 58 53 51 51 51 54...

Page 62: ...HOLDER ABS 1 6 DRIVE GEAR POM 1 7 SLIDE GEAR ABS 1 8 PULLEY GEAR POM 1 9 SQUARE BELT Rubber 1 10 MAGNET Steel 1 4 20 3 3 17 16 11 16 8 7 6 2 1 10 5 9 12 13 19 14 18 15 You have to remove the parts tha...

Page 63: ...pe 21 Polyester Film Polyester Non woven Insulating Tape 22 Polyurethane Enameled Copper Wire 23 Polyurethane Enameled Copper Wire 24 Polybuthylene Terephthalate 25 Copper Wire 26 Copper Wire No Mater...

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