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DX-C34

SERVICE MANUAL

SERVICE MANUAL

COMPACT DISC CHANGER

Black model

MODEL 

DX-C34

120V AC, 60Hz

BCDD

Ref. No. 3850

122004

RC-547C

RC-547C

NEXT SELECTION

DISC 

1

DISC 

2

DISC 

3

DISC

DISC 

4

DISC 

5

DISC 

6

REPEAT

RANDOM

MEMORY

SEARCH

>10

10/0

CLEAR

OPEN / CLOSE

ON

STANDBY

1

2

3

4

5

6

7

8

9

FOLDER

FOLDER

6

5

1

4

3

COMPACT DISC CHANGER

DX-C34

SAFETY-RELATED COMPONENT 
WARNING!!

COMPONENTS IDENTIFIED BY MARK         ON THE

SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE

CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

REPLACE THESE COMPONENTS WITH ONKYO

PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE

MEASUREMENTS TO DETERMINE THAT EXPOSED

PARTS ARE ACCEPTABLY INSULATED FROM  THE

SUPPLY CIRCUIT BEFORE RETURNING THE

APPLIANCE TO THE CUSTOMER.

Summary of Contents for DX-C34

Page 1: ...FOLDER FOLDER 6 5 1 4 3 COMPACT DISC CHANGER DX C34 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELE...

Page 2: ...75 ohm Audio output Impedance Analog 2 0 V rms 470 ohm Power supply rating AC 120 V 60 Hz Power consumption 10 W Standby power consumption 4 W Dimensions W x H x D 19 x 5 3 16 x 17 483 x 131 x 432 mm...

Page 3: ...ens surface on the Optical Pickup Block LASER WARNING LABEL The labels shown below are affixed DANGER INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK FAILED OR DEFEATED AVOID DIRECT EXPOSURE TO BEAM...

Page 4: ...52 M054 A001 A003 A007 A005 A016 A018 A019 A020 A060 A101 A201 A208 A221 A103 A301 E101 P701 P702 P101 A012 A012 U10 A012 A012 A012 A012 A012 U12 0 U12 1 U12 2 U12 3 U12 4 U12 5 U12 6 U12 7 U12 8 A012...

Page 5: ...52 M054 A001 A003 A007 A005 A016 A018 A019 A020 A060 A101 A201 A208 A221 A103 A301 E101 P701 P702 P101 A012 A012 U10 A012 A012 A012 A012 A012 U12 0 U12 1 U12 2 U12 3 U12 4 U12 5 U12 6 U12 7 U12 8 A012...

Page 6: ...ET L 4135 5641 0 1 A235c BRACKET R 4135 5651 0 1 A301 F PANEL 1405 0704 0 N 1 E101 WIRE TIE BSK 1 6360 9570 0 5 P101 FFC NCFC2 162512 7012 6673 0 1 P102 SOCKET AS 001 0406 H 7012 6674 0 1 P103 SOCKET...

Page 7: ...7185 0 N 1 P901 AC CORD AS UC 2 7012 6595 0 1 P901 or AC CORD AS UC 2 7012 6780 0 1 P901 or AC CORD AS UC 2 7012 6782 0 1 CHANGER MECHANISM PARTS LIST DX C34 REF NO PARTS NAME DESCRIPTION PART NO Q T...

Page 8: ...M034 SCREW 2P 3F BC 2900 2003 0000 1 M035 GEAR WHEEL 4154 5991 0 1 M036 WASHER B 4154 4491 0 1 M037 SCREW 3TTB 8B 2854 3008 0000 1 M038 ROLLER DVCP701 4154 6131 0 1 M039 ROULETTE HS 4154 6023 1 1 M04...

Page 9: ...1 Motor chassis ass y Motor gear ass y Sled shaft Gear A S P2 x 3 Screw Leaf switch Motor PC board Connector 6pin KSS 213C Pickup EXPLODED VIEW OF MECHANISM PARTS LIST CD DRIVE UNIT KSM 213CCM X 2625...

Page 10: ...K R512 1K R514 2 2K R511 150 R147 100 R556 10K R555 470 R557 10K R710 680 R708 1K R707 1 2K R510 2K R509 3 3K R713 1K R153 2 2K R154 2 2K R155 1K R151 220 R152 1M R156 1K R145 1M R121 330 R132 3 3K R1...

Page 11: ...20 R823 470 R822 390 R812 1 8K R811 1K R810 820 R809 470 R808 390 R828 2 7K R803 330 R832 22K R801 10K R829 470 R830 470 R831 22K R607 0 R608 NC Q806 RN2402 Q807 RN2402 P853B L855 NCH 1571 Q851 MPD472...

Page 12: ...K R512 1K R514 2 2K R511 150 R147 100 R556 10K R555 470 R557 10K R710 680 R708 1K R707 1 2K R510 2K R509 3 3K R713 1K R153 2 2K R154 2 2K R155 1K R151 220 R152 1M R156 1K R145 1M R121 330 R132 3 3K R1...

Page 13: ...20 R823 470 R822 390 R812 1 8K R811 1K R810 820 R809 470 R808 390 R828 2 7K R803 330 R832 22K R801 10K R829 470 R830 470 R831 22K R607 0 R608 NC Q806 RN2402 Q807 RN2402 P853B L855 NCH 1571 Q851 MPD472...

Page 14: ...8059 T901 P902A P901A F901A F901B T902 NCPS 8058 F901 800mA AC H AC G J901A J902A J904B 125V AC G AC H P851 P852 P853B NCDG 8065 E801 5V GND RXD TXD IR_IN P951 P951 J904A J903A NCPS 8064 AC H AC G N L...

Page 15: ...8059 T901 P902A P901A F901A F901B T902 NCPS 8058 F901 800mA AC H AC G J901A J902A J904B 125V AC G AC H P851 P852 P853B NCDG 8065 E801 5V GND RXD TXD IR_IN P951 P951 J904A J903A NCPS 8064 AC H AC G N L...

Page 16: ...R158 R159 R160 R161 R162 R163 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520...

Page 17: ...7 7 7 C802 C806 C807 C809 C810 C811 C812 C813 C814 C815 C816 D804 Q801 Q801 Q803 Q804 Q805 Q806 Q807 Q808 Q809 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R81...

Page 18: ...7 7 7 C802 C806 C807 C809 C810 C811 C812 C813 C814 C815 C816 D804 Q801 Q801 Q803 Q804 Q805 Q806 Q807 Q808 Q809 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R81...

Page 19: ...04B P704B P751A Q601 Q602 R604 R613 S601 S602 S603 P705A J607 J602 J604 J603 J601 J610 J611 J612 J606 J605 J608 J614 J613 J615 J616 P702A CONTACT SIDE J609 NCDG 8057 25138057 0 BMECHA MGND VDISP F1 F2...

Page 20: ...1 P951 P951 J904A J903A 25138064 NCPS 8064 0 AC H AC G N L C851 C852 C853 C855 C856 C857 C858 P851 P851 P852 P853B Q852 J851 J852 J853 NCDG 8065 25138065 0 E801 5V GND RXD TXD IR_IN 7 DX C34 PRINTED C...

Page 21: ...Z702 25138061 1 NCETC 8062 25138062 0 P752B P751B NCETC 8067 25138067 0 P707 P706B DX C34 PRINTED CIRCUIT BOARD VIEW FROM SOLDERING SIDE 6 U12 6 ROULETTE MOTOR PC BOARD NAETC 8060 1D U12 7 LOADING MO...

Page 22: ...902 J902 NCPS 8058 25138058 F901 800mA AC H AC G J901A J902A J903 0 C903 C916 C912 J901 J904B J903B C917 125V RISK OF FIRE REPLACE FUSE AS MARKED AC G AC H 576 223 OR6 12 DX C34 PRINTED CIRCUIT BOARD...

Page 23: ...ER DISPLAY 25138055 NCSW 8055 0 D801 D803 D802 P802A NCDIS 8066 25138066 0 D805 D802 P802A 2 2 2 2 2 DX C34 PRINTED CIRCUIT VIEW FROM SOLDERING SIDE 6 U12 1 STANDBY LED PC BOARD NASW 8055 1D U12 10 IL...

Page 24: ...1 R341 R342 L159 C168 C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C904 C904 C905 C905 C906 C908 C910 C911 D901 D905 P902B P151 P151 P153 P153 P103B Q305 Q306 Q901 Q902 R330 R331 Q156...

Page 25: ...7 7 7 C802 C806 C807 C809 C810 C811 C812 C813 C814 C815 C816 D804 Q801 Q801 Q803 Q804 Q805 Q806 Q807 Q808 Q809 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R81...

Page 26: ...tput pin 7 LRCK I O Input output channel clock pin 8 FS0 I Sampling frequency select 0 pin at synchronous mode CSN I Host interface chip select pin at asynchronous mode AKMODE I AK4112A mode pin at au...

Page 27: ...Terminal IN OUT Function VCC GND CS SK DI DO NC INPUT INPUT INPUT OUTPUT Power Supply Ground 0V Chip Select Conyrol Serial Data Clock Input Start Bit Op code Address Serial Data Input Serial Data Outp...

Page 28: ...16 bit Electrically Programmable ROM 2 7bit 16bit 7bit 16bit ADDRESS DECODER R W AMPS ADDRESS BUFFER DATA REGISTER INSTRUCTION REGISTER DUMMY BIT DO DI SK GENERATION INSTRUCTION DECODE CONTROL AND CL...

Page 29: ...E WE LCAS UCAS RAS FUNCTIONAL BLOCK DIAGRAM WE I O0 I O15 TRUTH TABLE Function RAS LCAS UCAS WE OE Address tR tC I O Standby H H H X X X High Z Read Word L L L H L ROW COL Dout Read Lower Byte L L H H...

Page 30: ...683 Top view 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CKOUT VSS PW SFSY SBSY AVDD SBCK ADDATA LRSY TEST2 ADBCK C2FIN ADLRCK CKIN TEST1 VCOC VPRFR DVDD1 VPDO AVSS DATACK DATAIN RESB INTB CE C...

Page 31: ...or range setting 18 VCOC I VCO control voltage input 19 VPDO O PLL VCO charge pump output 20 AVSS Analog system ground 21 DVDD2 Internal logic system power supply 22 VSS Power supply GND 23 MDATA0 I O...

Page 32: ...YNC error monitor flag MP3 mode active high DRAM serial data output 72 OVF O CD DA shockproof and MP3 I O DRAM write interrupt flag CD DA mode active high Emphasis output flag CD DA and MP3 modes acti...

Page 33: ...DOUT1 DOUT2 RIN1 RIN2 10V C4 C2 C1 C3 C5 NOTE1 Top View 10V 3 3V or 5V STBY L H H RIN x L H Remarks Standby mode Mark level input Space level input ROUT H H L Receiver STBY L H H DIN x L H Remarks Sta...

Page 34: ...T2 0 1 0 1 0 0 1 1 H L L H L L MODE STOP CW CCW CCW CW BRAKE CW Clockwise direction CCW Counter clockwise direction Truth table PIN No 2 6 8 5 9 1 7 3 SYMBOL Vcc VS Vref GND IN1 IN2 OUT1 OUT2 FUNCTUIN...

Page 35: ...C34 IC BLOCK DIAGRAM TERMINAL DESCRIPTION 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 1Y 2A 2B 2Y GND Vcc 4B 4A 4Y 3B 3A 3Y A L L H H B L H L H Y H H H L Truth table Q153 TC74VHCT00AF Quad 2 input NAND ga...

Page 36: ...rcuit Reference voltage Error amp Thermal shut down Drive circuit Sate operating area protection Saturation protection Over current protection INPUT OUTPUT GND BLOCK DIAGRAM Q903 uPC29M33T REGURATOR I...

Page 37: ...6G 7G 8G 9G 10G 11G 12G GRID ASSIGNMENT P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 1G a b f g m c e d 2G a j h k b f g m c e n r p d 3G a j h k b f g m c e n r p d 4G a j h k...

Page 38: ...ey input pin 20 ANI2 K2 I Key input pin 21 ANI1 K1 I Key input pin 22 ANI0 K0 I Key input pin 23 VSS0 GND I GND pin 24 AVDD 5V I Power supply pin for A D converter 25 VDD0 5V I Power supply pin To con...

Page 39: ...16 P1 O FL tube segment output pin 1 65 FIP15 O Not used Open pin 66 FIP14 O Not used Open pin 67 FIP13 O Not used Open pin 68 FIP12 O Not used Open pin 69 FIP11 12G O FL tube grid output pin 12 70 FI...

Page 40: ...7 AD7 FOKI I FOK signal input pin from signal processor 27 P50 A8 LDON O Laser light control output pin HiZ OFF L CD H CD RW 28 P51 A9 CDRESET O Reset pin of MP3 decoder 29 P52 A10 CDPOWER O Power sup...

Page 41: ...t GND pin 80 P14 ANI4 GND I Not used To connect GND pin Q701 uPD784225GC No PIN NAME SIGNAL NAME I O DESCRIPTION GND GND GND TIMING MODEL 5V 5V GND GND CLOCK CLOCK 5V GND MP3FSYNC SUBREQ SCO RI M P3IN...

Page 42: ...l DX C34 A603b A603a A604 A605 A610 A651 A701 A652 A607 A801 A802 A803 A804 REAR TOP A235d A235e x 8 A235g x 8 A235f x 8 A235h A235i A235j A655 A610 PACKING VIEW R L R R DX C34 B R Front side Cellopha...

Page 43: ...1 C129 CHIP ELECT C CEWX6 3V 220M 157B 227M 3 OKI 1 DG 8053 1 C130 C CERA C CK725F1E 104Z1 150F 104K P AC 1 DG 8053 1 C131 CHIP ELECT C CEWX6 3V 330M 157B 337M 3 OKI 1 DG 8053 1 C151 C CERA C CC725CH1...

Page 44: ...2 23 PAGE DIS 8054 1 C309 VX C CE04W35V 22M VX 157Q 226M K IUI 1...

Page 45: ...50F 223M P AC 1 DIS 8054 1 C652 C CERA C CK725F1E 104Z1 150F 104K P AC 1 DIS 8054 1 C653 C CERA C CK725F1H 223Z1 150F 223M P AC 1 DIS 8054 1 C654 C CERA C CK725F1H 223Z1 150F 223M P AC 1 DIS 8054 1 C6...

Page 46: ...4 23 PAGE DIS 8054 1 C851 ELECT C CE04W50V 1M SC 157F 105M K IUI 1...

Page 47: ...8054 1 D601 ZENER D UDZ2 2B 483H 2V21 3 1 DIS 8054 1 D602 ZENER D UDZ2 7B 483H 2V71 3 1 DIS 8054 1 D603 ZENER D UDZS4 3B 483H 4B31 3 1 DIS 8054 1 D604 ZENER D UDZS4 7B 483H 4V71 3 1 DG 8053 1 D701 C D...

Page 48: ...6 23 PAGE DIS 8054 1 E710 PWB NCDIS 8066 1725 705A 0100 N 1...

Page 49: ...54 EMIFIL BK1608LM182 T 1806 3647 0 1 DIS 8054 1 L855 CHOKE COIL NCH 1571 1803 0082 0 1 DIS 8054 1 L901 CHOKE COIL BLM21B222SPT 1803 0057 0 1 DG 8053 1 P101A SOCKET NSCT 16P2380 2101 1515 0 1 DG 8053...

Page 50: ...8 23 PAGE DIS 8054 1 P802A SOCKET AS NSAS 4P1232 7012 6665 0 N 1...

Page 51: ...2SD655 F 4860 1780 5 1 DIS 8054 1 Q307 TR DTA124EKA 4860 1110 3 1 DIS 8054 1 Q307 or TR RN2403 4852 4030 3 1 DIS 8054 1 Q307 or TR KRA103S 4851 03S0 3 1 DG 8053 1 Q501 IC LC78683E 3132 0930 0 N 1 DG...

Page 52: ...10 23 PAGE DG 8053 1 Q705 IC TC74VHCT32AFT 3132 0470 0 1...

Page 53: ...IS 8054 1 Q901 IC REGULATOR MPC2905HF 3131 7840 0 1 DIS 8054 1 Q901A HEAT SINK RAD 141 5400 3491 0 1 DIS 8054 1 Q901B SCREW 3P 10FN BC 2900 3010 3000 1 DIS 8054 1 Q902 TR 2SA950 O 485A 950O K 1 DIS 80...

Page 54: ...12 23 PAGE DG 8053 1 R121 C CARBON R RN72K1J 331JE 4723 331J P R 1...

Page 55: ...0JE 4723 1R0J P R 1 DG 8053 1 R150 C CARBON R RN72K1J 000JE 4723 000J P R 1 DG 8053 1 R151 C CARBON R RN72K1J 221JE 4723 221J P R 1 DG 8053 1 R152 C CARBON R RN72K1J 105JE 4723 105J P R 1 DG 8053 1 R1...

Page 56: ...14 23 PAGE DIS 8054 1 R305 C CARBON R RN72K1J 103JE 4723 103J P R 1...

Page 57: ...RN72K1J 102JE 4723 102J P R 1 DIS 8054 1 R334 C CARBON R RN72K1J 103JE 4723 103J P R 1 DIS 8054 1 R335 C CARBON R RN72K1J 000JE 4723 000J P R 1 DIS 8054 1 R336 C CARBON R RN72K1J 000JE 4723 000J P R...

Page 58: ...16 23 PAGE DG 8053 1 R527 C CARBON R RN72K1J 000JE 4723 000J P R 1...

Page 59: ...103J P R 1 DG 8053 1 R558 C CARBON R RN72K1J 222JE 4723 222J P R 1 DG 8053 1 R559 C CARBON R RN72K1J 000JE 4723 000J P R 1 DG 8053 1 R560 C CARBON R RN72K1J 471JE 4723 471J P R 1 DG 8053 1 R561 C CAR...

Page 60: ...18 23 PAGE DIS 8054 1 R651 C CARBON R RN72K1J 181JE 4723 181J P R 1...

Page 61: ...J 474JE 4723 474J P R 1 DG 8053 1 R725 C CARBON R RN72K1J 000JE 4723 000J P R 1 DG 8053 1 R726 C CARBON R RN72K1J 471JE 4723 471J P R 1 DG 8053 1 R727 C CARBON R RN72K1J 471JE 4723 471J P R 1 DG 8053...

Page 62: ...20 23 PAGE DG 8053 1 R756 C CARBON R RN72K1J 000JE 4723 000J P R 1...

Page 63: ...3 391J P R 1 DIS 8054 1 R814 C CARBON R RN72K1J 471JE 4723 471J P R 1 DIS 8054 1 R815 C CARBON R RN72K1J 821JE 4723 821J P R 1 DIS 8054 1 R816 C CARBON R RN72K1J 102JE 4723 102J P R 1 DIS 8054 1 R817...

Page 64: ...22 23 PAGE DIS 8054 1 R859 C CARBON R RN72K1J 103JE 4723 103J P R 1...

Page 65: ...DIS 8054 1 R907 C CARBON R RN72K1J 223JE 4723 223J P R 1 DIS 8054 1 R908 C CARBON R RN72K1J 391JE 4723 391J P R 1 DIS 8054 1 S601 PUSH SW NPS 111 S679 5200 4862 0 01 1 DIS 8054 1 S602 PUSH SW NPS 111...

Page 66: ...785 2650 http www onkyousa com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6 82194 Groebenzell GERMANY Tel 49 8142 4401 0 Fax 49 8142 4401 555 http www onkyo net Sales Product Planning Div 2 1 Ni...

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