Cyrus CD T Service Manual
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Cyrus CD T, SMDCOMPONENTREPLACEMENT ©CyrusAudioLtdJun2014 2 CDtServiceManualIssue1 Handling SMD resistors and capacitors are widely used in the Cyrus range of products. When handling SMDcomponents,certainprecautionsshouldbeobserved‐ HandlingSMDresistorsandcapacitors AlwaysstoreSMDcomponentsintheiroriginalpackagingorinacooldryenvironment. AlwayshandleSMDresistorsandcapacitorswithtweezersoravacuumpencil. Nev
Cyrus CD T, MAINPCBPARTLIST ©CyrusAudioLtdJun2014 20 CDtServiceManualIssue1 IC603 TSSOP14 Notfitted IC604 TSSOP14 CD74HCT14PWR Hexinverter IC605 SO‐16 Notfitted IC606 TSSOP16 Notfitted IC701 LQFP80 LPC1752FBD80 Microcontroller VOLTAGEREGULATORS VR801 SOT223 Notfitted VR802 SOT223 LM1117MPX‐3.3 800mAvoltageregulator FILTERS,INDUCTORS&CRYSTALS L402 COIL_SMD_ 8x6 750050480 Pulsetransformer L501 COIL‐ELF15 B82731M2132A030 6.8mH1.3A L502 SMDLH 4.7uH SMDInductor L503
Cyrus CD T, SERVOPCBPARTLIST ©CyrusAudioLtdJun2014 22 CDtServiceManualIssue1 RP401 SMDCAY16 100R TF1/16W5% RP402 SMDCAY16 100R TF1/16W5% RP403 SMDCAY16 100R TF1/16W5% CAPACITORS C401 SMD0603 22n CP25V10% C402 SMD0603 22n CP25V10% C403 SMD0603 10n CP25V10% C404 CAPSMD4.0 22uF EL16V20% C405 SMD0603 22n CP25V10% �
Cyrus CD T, MAINPCBPARTLIST ©CyrusAudioLtdJun2014 17 CDtServiceManualIssue1 R714 SMD0603 1k5 TF1/10W1% R715 SMD0603 100k TF1/10W1% R716 SMD0603 47R TF1/10W1% R717 SMD0603 47R TF1/10W1% R718 SMD0603 10k TF1/10W1% R719 SMD0603Notfitted R720 SMD0603 0R TF1/10W1% R802 SMD0603Notfitted R804 SMD0603Notfitted R805 SMD0603Notfi
Cyrus CD T, CHASSISPARTSDRAWING ©CyrusAudioLtdJun2014 14 CDtServiceManualIssue1 Mainchassis Ref Partnumber Description 1 I2‐BACKP/T Rearpanel 2 AM‐MTERM/ ACpowerinlet 3 I2‐CBPOW/080 Powercable80mm 4 I2‐INSUL/ PCBinsulator 5 I6‐CB12W/200 Flexfoilcable12way200mmlong 6 I2‐LOADR/ASY ASACDmechanismincludingservoPCB 7 AM‐COVER/BR AM‐COVER/S1 Chassis‐black Chassis‐silver 8 I2‐CB25W/170 Flexfoilcable25way170mmlong 9 I2‐CRADL/ Mechani
Cyrus CD T, BLOCKDIAGRAM ©CyrusAudioLtdJun2014 5 CDtServiceManualIssue1 SPDIF uController IC601 LCD IR Keys IC701 MC BUS OPTICAL Main PCB RAD FOC MOT SLED BA5984FP SAA7826 Servo PCB LOAD/ UNLOAD IC401 IC604 COAXIA L IC402 74HCT86 74HCT14 LPC1752FBD80
CIRCUITDIAGRAMS ©CyrusAudioLtdJun2014 24 CDtServiceManualIssue1 Circuitdiagramindex TheCyrusCDtcircuitdiagramsarelistedbelow. MainPCB DigitaloutputandMC‐BUS.......25 Powersupply.............................26 Microcontroller....................
Cyrus CD T, SERVICECAUTIONS ©CyrusAudioLtdJun2014CyrusCDtServiceManualIssue1 ThesetwosymbolsshownaredisplayedprominentlyontheCDplayerbasecover label.Theyindicatethatthefollowingcautionsmustbeobservedbyall personnel‐ CAUTION:TOREDUCETHERISKOFELECTRICALSHOCK,DONOTREMOVECOVERORBACK. THEREARENOUSERSERVICEABLEPARTSINSIDETHEPRODUCT. ALWAYSREFERSERVICINGTOQUALIFIEDSERVICEPERSONNEL.
Cyrus CD T, MAINPCBPARTLIST ©CyrusAudioLtdJun2014 16 CDtServiceManualIssue1 RESISTORS R401 SMD0603 47k TF1/10W1% R402 SMD0603 47k TF1/10W1% R403 SMD0603 150R TF1/10W1% R404 SMD0603 Notfitted R405 SMD0603 160R TF1/10W1% R406 SMD0603 47R TF1/10W1% R407 SMD0603 75R TF1/10W1% R408 SMD0603 47k TF1/10W1% R501 AXIAL0.5 3.9M MF0.6W1% R502 SMD1206 22k TF1/4W1% R503 SMD0603 1k TF1/10W1% R504 SMD1206 39R TF1/4W1%�
Cyrus CD T, Vdda1 7 Vdda2 16 Vssa1 5 Vssa2 17 Vrefo 8 Iref 6 D1 9 D2 10 D3 11 D4 12 R1 13 R2 14 Vssa3 20 OSCOUT 18 OSCIN 19 Vddd1 41 DACRN 23 DACLP 26 DACV+ 27 DACRP 22 DACLN 25 DACVref 24 CSLICE 15 TEST1 76 CL16 49 DATA 46 WCLK 47 SCLK 48 EF 45 TEST2 77 LKILL 34 Vssd1 40 V2 72 WCLKIN 43 DATAIN 42 SCLKIN 44 RESET 51 SDA 52 SCL 53 RAB 54 SILD 55 STATUS 56 TEST3 78 RCK 57 SUB 58 SFSY 59 SBSY 60 CL4/12 50 Vssd2 61 DOBM 62 Vddd3 70 CFLG 39 RA 64 FO 65 SL 66 Vddd2 63 Vssd3 69 MOTO1 67 MOTO2 68 V4 74 V5 75 V1 71 LASER 80 DC OFFSET COMP VOLTAGE BUFFER HF & LF CAPTURE ANTI ALIAS CONTROL FUNCTION OUTPUT STAGES MICRO INTERFACE CONTROL PA RT MO
Cyrus CD T, FRONTPANELPARTSDRAWING ©CyrusAudioLtdJun2014 15 CDtServiceManualIssue1 17 59 : 57 i1) a b c d e h fg FrontPanelparts 1AM‐POWCP/ Standbyknobtrim 2AM‐PLENS/02 Powerlens 3AM‐LENSM/02 Remoteeyelens 4CD‐DISPW/ Displaywindow 5I6‐MBDIS/02 DisplayPCB 6 CD‐FACSE/B CD‐FACSE/S Frontfaciablack Frontfaciasilver 7 I2‐FRONT/ I2‐FRONT/S TechnicalMouldingblack TechnicalMouldingsilver 8I2‐BEZEL/ CDslottrim 9AM‐BPPLT/
Cyrus CD T, SERVICEMANUALINDEX ©CyrusAudioLtdJun2014 1 CDtServiceManualIssue1 INDEX SMDcomponentreplacement.....................2 Typeidentification.......................................4 Blockdiagram..............................................5 Technicaldescription...................................6 Faultfinding/disassembly............................8 FlashSoftware...........................................11 MC‐BUSoperation..................................... 12 Chassispartsdrawing
Cyrus CD T, MAINPCBPARTLIST ©CyrusAudioLtdJun2014 19 CDtServiceManualIssue1 C828 SMD0603 22n CP25V10% C829 SMD0603 22n CP25V10% C830 CAPSMD4.0 22uF EL16V20% CP701 SMD0612‐4 10n CP25V10% CP702 SMD0612‐4 100pF CP100V10% CP703 SMD0612‐4 100pF CP100V10% CP704 SMD0612‐4 100pF CP100V10% Key: CP=ceramicplate.EL=electrolytic.PE=polyester.PP=polypropylene.
Cyrus CD T, SERVICECAUTIONS ©CyrusAudioLtdJun2014CyrusCDtServiceManualIssue1 Thephotobelowshowsthepositionofcautionlabelsthatalerttheservicetechniciantothe presenceofalaserdevice– Onthebackpanel Andonthediscloadingmechanism
Cyrus CD T, TYPEIDENTIFICATION ©CyrusAudioLtdJun2014 4 CDtServiceManualIssue1 Ratinglabel TheCDtcarriesaratinglabelontherearpanel,whichincludesdetailsoftheratedpower supplyvoltage. Nominalpowervoltage Thiswillbeeither 220‐230V Foruseonnominal220V‐240VACmainssupply. Powerconsumption Themaximumpowerconsumptionfigureisindicated. Serialnumber EachCDplayercarriesaserialnumbercode,whichidentifiesthefollowing
Cyrus CD T, FAULTFINDING/DISASSEMBLY ©CyrusAudioLtdJun2014 9 CDtServiceManualIssue1 Removingtheloadingmechanismwithlaserpickup Disconnectmainspower. DisconnecttheflexfoilfromCON405ontheservoPCB. Removethetwoscrewssecuringthemountingcradletothechassis. Slide the loader and cradle back in the chassis to disengage the front, then lift the completeassemblyfromthechassis. Removingthecradle OncethePCBhasbeenremoved,thecradlecanbesepar
MAINPCBPARTLIST ©CyrusAudioLtdJun2014 18 CDtServiceManualIssue1 C514 SMD0603 82p CP50V5% C516 RAD0.4 10n PP1kV5% C517 SMD0603 100n CP25V10% C601 SMD0603 22n CP25V10% C602 SMD0603Notfitted C603 SMD0603Notfitted C604 SMD
Cyrus CD T, +VBACKLIGHT R715 100k C717 15p C716 15p DGND T706 BC807 R712 5R6 C718 100n +VBACKLIGHT 100mA T707 MJD32C R711 10R C712 1u 16V X7R 3v3_uPROC DGND 3v3_uPROC DGND PIN67 PIN56 PIN42 /uPROC_RESET CD_TRAY+ CD_TRAY- KEYS_IN1 R705 47k /RESET_OUT JTAG_TCLK R706 47k 3v3_uPROC JTAG_TRST VADC TDO/SWO 1 TDI 2 TMS/SWDIO 3 TRST 4 TCK/SWDCLK 5 P0(26)/ AD0(3)/ RXD3 6 P0(25)/AD0(2)/I2SRX_SDA/TXD3 7 Vdd(a) 8 Vss(a) 9 VREFP 10 RSTOUT 11 VREFN 12 RTCX1 13 RESET 14 RTCX2 15 VBAT 16 P1(31)/SCK1/AD0(5) 17 P1(30)/Vbus/AD0(4) 18 XTAL1 19 XTAL2 20 Vdd(3v3) 21 P0(29)/USB_D+ 22 P0(30)/USB_D- 23 Vss 24 P1(18)/USB_UP_LED/PWM1(1)/CAP1(0) 25 P1(19)/MCOA0/
Cyrus CD T, FAULTFINDING/DISASSEMBLY ©CyrusAudioLtdJun2014 10 CDtServiceManualIssue1 screwsandthefrontpanelPCBmaynowbeliftedoffthefrontpanelassembly.Theonlypart availableforserviceofthisPCBistheremoteeye.IfthereareotherfaultswiththisPCBitwill benecessarytoreplacethePCBassembly.
SMDCOMPONENTREPLACEMENT ©CyrusAudioLtdJun2014 3 CDtServiceManualIssue1 Whenusingsolderpasteapressuredispensershouldbeusedtoensurethecorrectamount ofsolderisappliedtoeachpad. Solder paste should not be used with direct hea
Cyrus CD T, FAULTFINDING/DISASSEMBLY ©CyrusAudioLtdJun2014 8 CDtServiceManualIssue1 CAUTION!LIVEMAINSVOLTAGES! When undertaking any repair work on the CD player, engineers should note that the player includes a switching power supply connected directly to live mains and other high voltages, locatedonthemainPCB.Capacitorsinthepowersupplywillretainvery�
Cyrus CD T, MC‐BUSSYSTEM ©CyrusAudioLtdJun2014 12 CDtServiceManualIssue1 TheMC‐BUSsystem MC‐BUSis asystemwhichprovidescommunicationbetween thecontrolsystemsofa number of Cyrus products. The communication takes the form of a serial data stream which is sent from a 'master'productandreceivedandrepeatedby'slave'products.Thedataisthuspassedfromone product to another around a
Cyrus CD T, SERVOPCBPARTLIST ©CyrusAudioLtdJun2014 23 CDtServiceManualIssue1 D406 SOD‐123 1N4148W‐V‐GS08 smallsignaldiode TRANSISTORS T401 SOT23 BC817‐25 SignalTransistor T402 SOT23 PDTB113ZT Digitaltransistor T403 SC‐74‐2 IMX17T110 DualNPNtransistor INTEGRATEDCIRCUITS IC401 LQFP80 SAA7826HL/M1AS/S5 PhonICCDdecoder IC402 HSOP2
SERVOPCBPARTLIST ©CyrusAudioLtdJun2014 21 CDtServiceManualIssue1 RESISTORS R401 SMD0603 220R TF1/16W1% R402 SMD0603 750R TF1/16W1% R403 SMD0603 10R TF1/16W1% R404 SMD0603 10R TF1/16W1% R405 SMD0603 100R TF1/16W1% R406 SMD
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