Bang & Olufsen Beogram CD 5500 Service Manual Download

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Summary of Contents for Beogram CD 5500

Page 1: ...5500 Type 5131 5132 5133 5434 5135 Beogram CD 6500 Type 5136 5137 5138 5139 5140 Beogram CD 7000 Type 5151 5152 5153 5154 5155 CD Mechanism Version II Beogram CD 7000 Service Manual Danish English BA...

Page 2: ...anical parts Control Adjustments Dismantling Repair hints Insulation test Circuit description Diagram PCB drawing and partlist for servo PCB30 without focus off set adjustment 10 Beogram CD 5500 New C...

Page 3: ...4 x oversampling 176 4 kHz Low pass filter Digital Bessel elliptical analog Damping 20 000 Hz 50 dB Phase error between L andR 0 degree at20 20 000 Hz Output analog 1 3 V RMS at 0 dB Output digital Fo...

Page 4: ...if lo las 470 put aca a 1s Se P _S28 mes Denglre oS leew 4 es at 7s ezon g Pen we le aoe Focus SERVO TASER lstaitmo fx x aa rsd Se es 2 3162 A259 I SUPPLY CIRCUIT RO arr ass Bee Batts uf a i C286 6va...

Page 5: ...am in those cases where the type number is unambiguous for the position of the component in a circuitry eg TR20 BC 557B If the position number is followed by an asterisk the spare part number must be...

Page 6: ...AA FS foa2 fata foewon etsuttol ferme rm g TOA 1841 cso Se 24h resu fining HpAFOURTEEN ycoRREcTOR Y IcHannet 1 zhevock Dac Se SE hee sco pemoD foescRawaeRTY z hrm 5 Eoraewr 2th Sata or SAMPLE 5 PLEXER...

Page 7: ...n SERVO PCB 30 FOCUS RADIAL MoTOR MOTOR 22372 DISC MOTOR CONTROL 7 2 3 SERVO PCB 30 iz 2 ans ax Peay ey 4 f Fa Hy py sats gol inte Ean 6laDeDIoe 1 Hcy RADIAL FOCUS MoTOR MOTOR 42 234012 Ig 7 z DISC MO...

Page 8: ...ve _ ________ svsr cow 12v st CON co c2 Ds c2 cr X CON NUMBER OF VOLTAGE CONNECTIONS z 5 a a 4228 Shower atv0FF 1c4 saaoot sv ste ee 3 a ie 3 3 z Pe cred es ee 2 iw SER DATA RE o 34 BIT 34 08 Eta areh...

Page 9: ...0 45 15 20b mere 1610 708 1801 aata ciack INTERPOLATOR An sang OIA CONVERTER WS EFLAG IGT TALFILTER Sage 2 C6 MAB baht RST SERVO uP Z x a sv PCB 01 DISPLAY DRIVE TCI MtS450 are ICb MAB 8667 cat 8V ST...

Page 10: ...H J PAPER WHIT GLUE DOTS HOLD THE COMPONENT USING 9 TWEEZERS PRESS THE MOUNTING SURFACE OF THE COMPONENT AGAINST ONE OF THE GLUE OOTS ON THE PAPER PRESS THE COMPONENT AGAINST TS PLACE OF MOUNTING THE...

Page 11: ...011022 5010035 5010036 5011042 5010810 5011026 3 15010038 5010313 5012058 5011059 5011061 5011062 5011063 5011065 5011066 5011067 5011068 8 5010874 5011011 82 5011012 5010040 5010153 5010247 5010053 5...

Page 12: ...10 Decoder IC8A 8340927 111 UPD 41416 C IC9A 8340855 136 SAA 7220 Digital filter IC10A 8340913 136 TDA 1541 D A Converter IC1i 8340930 103 LM 833N DUAL OP AMP IC12 TRI 8320640 17 BC 636 TR27 8320152 2...

Page 13: ...4W R101 5020956 68 O 5 0 14W R216 R112 5011507 374 Q 1 1 4W R217 5011510 1 kQ 1 1 4W R114 5011508 200 Q 1 1 4W R218 5011511 2 1 kQ 1 1 4W R115 5011509 1 5 kQ 1 1 4W R219 5011512 750 Q 1 1 4W R116 R22...

Page 14: ...3 100 pF 1 4 10 100 C107 25V C108 4100230 15 nF 2 5 63V C211 4200480 22 pF 20 10 C109 4100279 2 nF 2 5 63V Li 8020565 2 2 pH 13 8020639 100 pH Le X1 8090009 6 0 MHz X3 8090058 11 2896 MHz x2 P2 722057...

Page 15: ...020964 10 Q 2 1 3W R3146 5370254 22 kQ 20 o 1W R3211 R3150 5011491 39 kQ 2 1 8W C2101 4000255 22 nF 10 SOV C2139 4000255 22 nF 10 50V C2102 4000249 470 pF 5 SOV C2140 4200745 220 mF 16V C2103 4200414...

Page 16: ...3034073 Bracket 9028 3356048 Magnet 9003 2391059 Bracket 9029 3152536 Holder f CD 9004 2816243 Spring 9030 3454479 CD tray 9005 7219065 Bracket f socket panel 9031 2751020 Driving plate 9006 3112331...

Page 17: ...42 e8 2038120 Screw 3x25 mm 50 12 2013094 Screw M 2 9x6 5 mm 51 2013145 Screw 3x 12 mm 2034064 Screw 2x 10 mm 2622052 Washer 3 2x8x1 mm 2622348 Washer 2 3 mm 2622321 Washer 32 mm 2624013 Washer 3 mm...

Page 18: ...hanism The 2 rearmost screws may be adjusted through the holes F in the disc drawer when the drawer is in and the 2 frontmost screws may be adjusted when the drawer is almost out All 4 screws should b...

Page 19: ...lt ind Medens skuffen trykkes ind mod stop justeres unbra koskruen 5 mm under bunden indtil skuffeforkanten fiugter med fronten pa apparatet Hoejde pladeskuffe forkant Pladeskutfen trykkes ind De 2 sk...

Page 20: ...AA 7210 NB Der skal males direkte pa IC en 5D10 skal vaere kortsluttet 5377 Hvis den mialte spending er lavere end 4 85 V skal 5J77 afbrydes Unsolder 1D2 and elevate it at one end Connect 2 milliammet...

Page 21: ...IR AND ADJUSTMENT OF THE CD MECHANISM To prevent loose metal objects from getting in the CD mechanism it will be necessary to see to a clean repair station THE PHOTODIODES AND THE LASER ARE MORE SENSI...

Page 22: ...over 30C2136 Juster 30R3146 til der males 400 mV 40 mV 5 5 A fast check of the clearance of the arm is possible in service position 1 The RAFOC unit can be moved across the diameter of the dise by op...

Page 23: ...n at linien der reflekteres af optikket lober gennem optikkets centrum Hvis linien der reflekteres af glaspladen er indenfor optikkets overfalde er vinkel indstillingen i orden Put glass disc part no...

Page 24: ...gen skal kontrolleres igen OBJECTIVE DISC TRANSPARENT Turn the CD mechanism through 90 relative to the previous position The arm must be kept in mid position see figure above Repeat the previous check...

Page 25: ...be armlejet D som vist pa nedenstdende tegning Skruerne C spzndes medens det sikres at indstillin gen ikke flytter sig Foretag kontrol af vinkelindstilling Loosen screws C see figure above until beari...

Page 26: ...e leber sammen For montering af RAFOC enheden se afsnittet om servicering af RAFOC enhed Udskifining af focus enhed pos 9604 De 2 tilslutninger fra fieks PCB en til focus enheden Joddes fra Skruen der...

Page 27: ...5 10 SERVO PCB 30 Bang Olufsen rol ei Con ok ent ae b peat oeHn pong 10 Lot bb Sve fe FOCUS RADIAL MOTOR MOTOR Soyo t 3 z wa geal...

Page 28: ...at der gar samme stram i LED hvadenten S1 er kortsluttet eller afbrudt 5 11 Check of laser supply The laser and the laser supply in 301C6101 plus the monitor diode form a feedback system A defect in t...

Page 29: ...l 1 5 V Motoren skal stadig kere Bang Olufsen Adjusting the laser current Attention When exchanging the RAFOC unit pos nr 9607 the laser output potentiometer pos nr 30R3106 should be placed in mechani...

Page 30: ...ning DOS Oscilloskopet polariseres sAdan at puiserne vender som vist 5 13 5 Now sinusoidal signals v out should be present on the oscilloscope see figure which after about 2 seconds lie symmetrically...

Page 31: ...ter kan opfyldes er disc motor systemet i orden Bang Olufsen 9 Adjust the injected voltage until 1 7 0 5 V are present on pin 1 of P36 on the servo PCB Reference voltage across 96R3094 56 4 mVpp Refer...

Page 32: ...two transport screws on the base and insert them as described on the base Cabinet Skruerne A losnes skubbes op og spandes Kabinettet presses ca 1 cm bagud og leftes af PCB Loosen push up and tighten s...

Page 33: ...nter de to viste skruer Remove the two screws as shown Vip frontpanelet frem Tip the front panel forwards Disc skuffe Disc tray Afmonter de fire viste skruer Remove the four screws shown Treek forsigt...

Page 34: ...jre side 3 Disc holderen drejes i pilens retning 4 Metalarmen A kan derefier trekkes af The disc tray must be placed in OPEN position 1 Tip the disc holder off the plastic shaft in the left side Tip t...

Page 35: ...eer ogsa opmerksom pa flexprintet mellem iebeverk og servo Undga at udszette dette flexprint for skarpe bejninger 1 Turn the two leadholders B clockwise 2 Push the two plastic tags C which are placed...

Page 36: ...Cord pulley Pos no 9014 a ee Push the plastic tag F upwards The cord pulley can now be pushed off the shaft Tray motor Pos no 06M1 Plastkrogen M drejes op Skyd skuffemotoren ud af holderen i pilen s r...

Page 37: ...et for stor Press PLAY Laser arm swings out Ufarm doesn t move Is flex PCB placed correctly Does radial coil touch Is arm bearing inertia excessive Tast OPEN Laserarm svinger ind Hvis arm bliver staen...

Page 38: ...controlled by the MCES signal BO Teender radial kontrol Styrer niveauet pa radial servo DAC udgang BL I soge position vil der vere aktivitet pa alle 4 udgange B2 Switches the radial control on Control...

Page 39: ...started If display indicates constant 4 Radial search is OK Subcode info er ignoreret Musik kan hores fordi MUSB er hoj men er afhzengig af lead in sporets langde Kan vare op til 1 min If4 in the disp...

Page 40: ...regulerer oscillatorfrekvensen Pulses from the output of the phasedetector are integrated and controls the oscillatorfrequency IREF Strom reference til fasedetektoren Current reference for the phased...

Page 41: ...4 32 MHz QRA Q channel Request Acknowledge QCL Q Clock QData QRA initieres af 5IC6 med high 5IC7 svarer med low Ved forkanten pa nzste clock puls sattes QRA vhigh igen af 51C6 Nar 5IC6 har modtaget n...

Page 42: ...vil vere synlig i RE signalet RE keeps the light spot on track A 650 Hz sine wave should be visible in the RE signal 8 RE lag Radial error for lag network 30C2156 i RE lag kredslobet har en hukommels...

Page 43: ...gnaler for fotodiode kredslabet Hvis pladen beveeges nar apparatet er i serviceposition 2 skal focusenheden holde focus 10 D2 Nar pladen beveeges skal der vere varierende signaler pa ben 7 8 og 10 8 I...

Page 44: ...5169 8005169 220V t 3 3 4 5 7 6 B 12 or 220V Seen From Copper foil Side 240V 7 6 4 13 75 em D bem ej is Es scm pare Seen From Copper toil Side 120V 1 3 2 5 7 6 8 20V_ 4120V Seen From Copperfoil Side 1...

Page 45: ...hvorefter ben 4 5 6 7 og 8 kan bestemme hastigheden 4 Information to 51C4 about the instant position of the CD tray when moving in 5 TRAY or out SPEED where upon pin 4 5 6 7 and 8 determines the speed...

Page 46: ...sa langsomt ned for speendingen igen Der ma pa intet tidspunkt i testforlobet forekomme oversiag 8 1 INSULATION TEST Each set must be insulation tested after dismaniling The test is to be performed wh...

Page 47: ...i forhold til andre kendte CD pladespillere A new motor control priaciple for the CD tray in the Bang Olufsen CIRCUIT DESCRIPTION Introduction The Beogram CD 5500 is a newly developed Compact Dise pla...

Page 48: ...0 gar i STAND BY 9 2 Access time the time lapse from actuation of PLAY till the CD starts playing has been reduced further because the driving in of the CD tray and clamping of the disc are carried ou...

Page 49: ...odtager 5IC4 ca 80 pulser fra optokobleren 90S1 aktiveres af CD skuffen nar skuffen er helt Aben eller helt lukket endestep Kentakten shittes normalt completely open or closed end stop The contact is...

Page 50: ...ng ieee are Sin x x Filtering Pi Shee 1 Due to S times le Oversampting Wee ue fo ha ke e2kHe Taz kHe TBke Digitat Mresing elie Fig 2b Amplitude DB Analog fitter 10 0 r Ri i ey T RN RMB a de 0 0 afeki...

Page 51: ...grafik pa en skerm eller til optagelse af CD plader pA en digital bandopta ger Bang Olufsen Digital output From the Beogram CD 5500 the signal can be delivered via the phono bush D OUT in digital form...

Page 52: ...K Sts 2 as C288 aay se 5 LASER STARTING supecy ciRcuT eal waist fezK Rae FOCUS SERVO cH _ RADIAL MOTOR RAD OSCILLATOR 50 Hx J80 Lint IREtag i 17 2 2 gles 328 iz 4g tates 3 te INTERGRATING port is AMPL...

Page 53: ...Bang Olufsen Diagram PCB drawing and partlist for servo PCB30 without focus off set adjustment...

Page 54: ...4 2107 ae a ye152 5108 E ec bse yA Le Thea 3161 eeicy fg fp san 8 pessce By 138 oe RADIAL MOTOR C FOCUS MOTOR 10 2 SERVO PCB 30 4 i 8 1 SERVO PCB A B B Cc es pes R 0 i E Shech ICR Saas fale ele mid w...

Page 55: ...9 4 7 kQ 1 1 2W R3145 5011528 820 kQ 5 1 8W C2101 4010192 47 nF 10 50V C2139 4010192 47 nF 10 50V C2102 4000249 470 pF 5 50V C2140 4200745 220 uF 16V C2103 4200414 33 uF 10 50 I6V C2141 4130407 390 nF...

Page 56: ...Bang Olufsen Beogram CD 5500 Nyt CD lobeveerk New CD drive mechanism...

Page 57: ...pa testplade 5 og 30R3106 justeres til der males 50mV 5mV med D volimeteret Bang Olufsen From unit no 05858372 the CD drive mechanism has b en changed from a CDM2 model to a CDM4 model When replacing...

Page 58: ...and Servo PCB as a kit 96Modul 8420159 CD Mechanism without Servo PCB 9601 3333016 Rubber holders 9602 3152593 Clamp f flexible print 9603 3034077 Transport screw 9614 3333015 Rubber holders 9618 3333...

Page 59: ...Bang Olufsen...

Page 60: ...Bang Olufsen Beogram CD6500 Type 5136 5137 5138 5139 5140...

Page 61: ...0 See drawings on pages 4 1 List of mechanical parts 9001 9008 9030 9043 9049 3414157 3414358 3114356 3454654 3451020 3450970 2542709 2569175 2569200 Cabinet Cabinet white Inner chassis Bottom CD tray...

Page 62: ...Bang Olufsen Beogram CD 7000 Type 5151 5152 5153 5154 5155...

Page 63: ...2 Bang Olufsen Chassis front Front panel Front panel white PCBS w Transformer 2043011 Screw AM 4x8 3505605 3505606 3505607 3505608 3505609 3505610 3505611 3505612 3505613 3505614 3505615 Danish Swedis...

Page 64: ...Bang Olufsen CD Mechanism Version Il Beogram CD 7000...

Page 65: ...Woe Thsi s a TINTERGRATING RADY AMPLIFIER Mhsi 7 96118Leais9 5 V8 tc 6108 5 ad Uezons 8108 8 3 II sl 3 Wos Ths FOCUS SERVO sil20 P31 12 2 q 4 50 Lasee fetartrnct 3 SUARD suPP_y erRcuIT Si Ase neil Ine...

Page 66: ...3W R3212 5020489 10Q 10 0 30W R3141 5011587 160kQ 1 1 8W R3213 C2101 4000255 22nF 10 SOV C2139 4000255 22nF 10 50V C2102 4000249 470pF 5 50V C2140 4200745 220p 16V C2103 4200414 33p 10 50 16V C2141 41...

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