Cyrus CD6s Service Manual Download Page 1

SERVICE MANUAL

SPECIFICATIONS

Audio output

2.1Vrms

Frequency response

20Hz-20kHz

Distortion

<0.002%, (ref. 1kHz, 0dB)

S/N ratio

110dBA

Dynamic range

>100dB (20Hz-20kHz)

Channel separation

>110dB (1kHz), >90dB (20kHz)

Digital output

Optical SPDIF

Clock jitter

<100ps

Dimensions (H x W x D)

73 x 215 x 360 (mm), 2.8 x 8.4 x14.1 (inches)

Weight

3.1kg

CYRUS CD6s

CD PLAYER

17

59:57

CD 6 s

Summary of Contents for CD6s

Page 1: ...Distortion 0 002 ref 1kHz 0dB S N ratio 110dBA Dynamic range 100dB 20Hz 20kHz Channel separation 110dB 1kHz 90dB 20kHz Digital output Optical SPDIF Clock jitter 100ps Dimensions H x W x D 73 x 215 x...

Page 2: ...mains voltages exist on the PCB attached to the mains inlet socket For safety this area must be securely insulated with insulation tape during all repair work STATIC PRECAUTIONS When servicing any Cyr...

Page 3: ......

Page 4: ...e Manual Issue 1 The notice below shows the position of caution labels which alert the service technician to the presence of a laser device CLASS 1 CLASS 1 LASER PRODUCT LASER PRODUCT CAUTION VISIBLE...

Page 5: ...omponent replacement 2 Type identification 4 Block diagram 5 Technical description 6 Fault finding disassembly 8 Alignment 10 Control software 11 Use with a PSX R 12 MCBus operation 13 Chassis parts d...

Page 6: ...ged before fitting Measuring circuits with SMD capacitors and resistors Avoid using sharp pointed probes directly on the component end caps Measure voltages from the PCB pad next to the component Stat...

Page 7: ...ng iron 1 Apply a little flux to the connections 2 Place the component in position 3 Tin the soldering iron bring the tip into contact with the PCB pad and flow solder to the joint Avoid bringing the...

Page 8: ...Type of product Market destination Build number Paint finish colour The serial number is on the baseplate It is therefore important to ensure that a baseplate removed from a product is re fitted to th...

Page 9: ...8 TDA1300 SAA7327 BCLK BCLK WCLK WCLK DATA DATA XCLK DSA KEYS IR DISPLAY DATA SPI H8 3644 Microcontroller 74HC14 Buffer 74HC4046 PLL 74HCT86 Data buffer and 74HC574 Latch L R DAC PCM1738 LCD IR Keys I...

Page 10: ...ocontroller Control Software The software contained in the microcontroller is electrically programmed into the internal flash memory when the CD6s are manufactured This software may be updated at an a...

Page 11: ...upplies for the Cyrus CD6s are derived from the high and low voltage secondary windings from a single toroidal transformer The low voltage windings supply regulated 5V supplies to digital circuitry in...

Page 12: ...oil from the CD loader to the servo PCB at the loader end Remove the 4 screws securing the servo PCB brackets to the chassis and lift the PCB clear of the chassis Now disconnect the two wire connector...

Page 13: ...disc loading mechanism as detailed above then remove the subframe The power transformer may then be unplugged from the mains inlet PCB and main PCB and lifted off the pin on the subframe Audio Signal...

Page 14: ...CYRUS CD6s ALIGNMENT Cyrus Audio Ltd Nov 2006 10 Cyrus CD6s Service Manual Issue2 Alignment There is no alignment required for the CD6s during maintenance...

Page 15: ...o read it from the display of as follows 1 Connect power to the unit and set to Standby power light red 2 Press and hold the Standby key 3 The software version and release date will be shown on the di...

Page 16: ...12 Cyrus CD6s Service Manual Issue2 Cyrus CD6s use with a PSX R The CD6s does not include the facility to connect the PSX R external power supply The CD6s may however be upgraded at the Cyrus factory...

Page 17: ...ens for CD commands from the master product in the loop usually an amplifier or surround decoder MC Bus system tests The MC Bus system can be tested by connecting the CD6s into a known working Cyrus s...

Page 18: ...CYRUS CD6s CHASSIS PARTS DRAWING Cyrus Audio Ltd Nov 2006 14 Cyrus CD6s Service Manual Issue2 a d e b c f g h i p...

Page 19: ...CYRUS CD6s CHASSIS PARTS DRAWING Cyrus Audio Ltd Nov 2006 15 Cyrus CD6s Service Manual Issue 2 1 1 1 1 1 1...

Page 20: ...CB mount left hand Servo PCB mount right hand 6 I6 CRLOC Cradle lock 7 I6 TX230 I6 TX115 Transformer 230V Transformer 115V 8 I6 L1210 CD loader 9 I6 CRBOS 7 0 Mechanism mounting boss 10 I6 CB12W 100 F...

Page 21: ...WCP Standby knob trim b AM PLENS Power lens c AM LEMSM 02 Remote eye lens d D3 DISPW Display window e I6 FACIA SB I6 FACIA SS Cyrus CD6s front facia black Cyrus CD6s front facia silver f I6 TMOLD Tech...

Page 22: ...05 NOT FITTED R212 SMD0805 0R MF 1 8W 1 R213 SMD0603 100R MF 1 16W 1 R214 R215 SMD0603 150R MF 1 16W 1 R216 SMD0603 100R MF 1 16W 1 R217 SMD0603 100R MF 1 16W 1 R218 SMD0603 100R MF 1 16W 1 R219 SMD06...

Page 23: ...5 NOT FITTED R423 SMD0805 NOT FITTED R424 SMD0805 NOT FITTED R425 SMD0805 NOT FITTED R427 SMD0805 NOT FITTED R428 SMD0805 NOT FITTED R429 SMD0805 NOT FITTED R501 SMD0805 NOT FITTED R502 SMD0805 47k MF...

Page 24: ...5 axial metal film resistor SMD 0805 refers to surface mount device size profile 0805 CAPACITORS C101 SMD0603 10nF CP 50V 10 C102 SMD0603 10nF CP 50V 10 C103 SMD0603 10nF CP 50V 10 C104 SMD0603 10nF C...

Page 25: ...30 SMD0805 100nF CP 50V 10 C331 SMD0805 100nF CP 50V 10 C332 SMD0805 100nF CP 50V 10 C333 SMD0805 100nF CP 50V 10 C334 SMD0805 100nF CP 50V 10 C335 SMD0805 100nF CP 50V 10 C336 SMD0805 100nF CP 50V 10...

Page 26: ...C509 SMD0805 22pF CP 50V 10 C510 SMD1206 1uF CP 50V 10 C511 SMD0805 100nF CP 50V 10 C512 CAP RAD0 4 470uF EL 25V 20 C513 SMD1206 1uF CP 50V 10 C601 SMD0805 100nF CP 50V 10 C602 SMD0805 100nF CP 50V 1...

Page 27: ...220uF EL 16V 20 C654 CAPSMD6 3 47uF EL 16V 20 C655 CAPSMD6 3 47uF EL 16V 20 C656 CAPSMD6 3 47uF EL 16V 20 C657 CAPSMD6 3 220uF EL 16V 20 C659 CAPSMD5 0 22uF EL 16V 20 C661 CAPSMD5 0 47uF EL 6 3V 20 C6...

Page 28: ...ncoder IC201 SO 14 74HCT86 Quad XOR IC202 SOL 20 74HC574 Octal Latch IC203 SO 14 74HC14 Hex Schmitt Inverter IC204 SO 16 CD74HC4046AM PLL and VCO NO ALTERNATIVE IC205 SO 16 74HC161 8 Bit Shift Registe...

Page 29: ...ay cable 4 way Molex KK header to 4 way JST CON104 CONZIF12S 39 51 3123 12 Way flex foil side entry 1 25mm CON105 CONLIF12S 00 8370 127 000 800 12 Way flex foil side entry 1 25mm CON106 2 8mmQC DNF CO...

Page 30: ...Cyrus CD6s Service Manual Issue2 Circuit diagram index The Cyrus CD6s circuit diagrams are listed below SHEET 1 Connectors and digital audio output SHEET 2 Clock generation SHEET 3 Left and Right cha...

Page 31: ...10 FS3 CDTO 11 C1 12 ANS 13 BLS 14 CKS0 15 CKS1 16 VDD 17 GND 18 TXN 19 TXP 20 DIF0 21 DIF1 22 DIF2 23 U1 24 Audio Serial Interface Prescaler Biphase Encoder CRC Generator Host Serial Interface Regist...

Page 32: ...2 TC 15 MR 1 Q0 14 Q1 13 Q2 12 Q3 11 VCC 16 GND 8 IC205 74HC161 5VCD C205 10n 0603 DGND DGND XCLK 8 XCLK 16 9344MHz 384fs XCLK 8 2 1168MHz 48fs L201 1uH R209 47R R210 91R C209 100uF 16V DGND C206 10n...

Page 33: ...EG1117A R329 180R R328 110R C327 47uF 6 3V DGND C325 10n 0603 C326 10n 0603 C329 10n 0603 C328 47uF 6 3V DAC_GND_AL DGND OUTPUTGND DECGNDL3 DECGNDL1 DECGNDR1 GNDFILTL 1 2 ST301 STAR2 DGND DAC_GND_AL D...

Page 34: ...P16 IRQ2 56 P17 IRQ3 TRGV 57 AVcc 58 PB7 AN7 59 PB6 AN6 60 PB5 AN5 61 PB4 AN4 62 PB3 AN3 63 PB2 AN2 64 IC502 H8 3644 DGND 3 4 IC501B 74HC14 13 12 IC501F 74HC14 1 2 14 7 IC501A 74HC14 5VCC DGND C502 10...

Page 35: ...VAN 18V 18V R611 2k7 R612 2k7 C655 47uF 16V C656 47uF 16V R610 300R R609 300R 18V_UNREG ANGNDPSU HVB1 D602 1SR154 400 D603 1SR154 400 HVA1 HVA2 C646 2200uF 25V CTH C613 10n 0603 18V C664 4700uF 25V 9V...

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