Cyrus CD T Скачать руководство пользователя страница 29 | Manualshive

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Cyrus CD T Скачать руководство пользователя страница 29

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CD t service manual Issue 1

©

Cyrus Audio Ltd Jun 2014

Main PCB schematic diagram

26

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Содержание CD T

Страница 1: ...Coaxial and Optical SPDIF Output voltage 500mV pk pk Output impedance 75 Optical output Toslink Sample rate accuracy 44 1k 50ppm Clock jitter 80ps Disc compatibility CD Audio CD R Dimensions H x W x...

Страница 2: ...that the player includes a switching power supply connected directly to live mains and other high voltages located on the main PCB in the area highlighted in the red box To avoid the danger of electr...

Страница 3: ...udio Ltd Jun 2014 Cyrus CD t Service Manual Issue 1 The photo below shows the position of caution labels that alert the service technician to the presence of a laser device On the back panel And on th...

Страница 4: ...D component replacement 2 Type identification 4 Block diagram 5 Technical description 6 Fault finding disassembly 8 Flash Software 11 MC BUS operation 12 Chassis parts drawing list 13 Front panel part...

Страница 5: ...ction pins of larger multi pin ICs are not deformed or damaged before fitting Measuring circuits with SMD capacitors and resistors Avoid using sharp pointed probes directly on the component end caps M...

Страница 6: ...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 solderin...

Страница 7: ...uild 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 the same product In any communications...

Страница 8: ...io Ltd Jun 2014 5 CD t Service Manual Issue 1 SPDIF uController IC601 LCD IR Keys IC701 MC BUS OPTICAL Main PCB RAD FOC MOT SLED BA5 984FP SAA7826 Servo PCB LOAD UNLOAD IC401 IC604 COAXIAL IC402 74HCT...

Страница 9: ...location of each track on the disc for disc navigation purposes In order to read the TOC the laser is switched on by the decoder IC and a focus ramp is initiated If focus is found then the disc motor...

Страница 10: ...d IC604 The SPDIF data is fed to the optical output TOTX401 and to the RCA coaxial output via digital transformer L402 Power supplies The internal regulated power supplies for the CD t are derived fro...

Страница 11: ...running check the voltage between pins 1 and 8 of IC501 This is about 0 9V in normal operation If this voltage is low check R501 Check also the bias supply between pins 2 and 8 of IC501 This should b...

Страница 12: ...al of removal but note the following important steps Once the servo PCB has been fitted and the flexfoil cable from the laser pickup connected to CON401 the solder short that protects the pickup from...

Страница 13: ...t Service Manual Issue 1 screws and the front panel PCB may now be lifted off the front panel assembly The only part available for service of this PCB is the remote eye If there are other faults with...

Страница 14: ...er version than already installed The CD players are programmed by connecting a USB cable directly from the main PCB to a computer The location of the programming connector on the control PCB is arrow...

Страница 15: ...ignals are buffered into and out of this IC as shown in the diagram The resistor bias at the MC BUS input ensures that the line idles high 5V if no MC BUS connection is made to another product MC BUS...

Страница 16: ...CHASSIS PARTS DRAWING Cyrus Audio Ltd Jun 2014 13 CD t Service Manual Issue 1 g e a b c i f 1 h d...

Страница 17: ...C power inlet 3 I2 CBPOW 080 Power cable 80mm 4 I2 INSUL PCB insulator 5 I6 CB12W 200 Flex foil cable 12 way 200mm long 6 I2 LOADR ASY ASA CD mechanism including servo PCB 7 AM COVER BR AM COVER S1 Ch...

Страница 18: ...CP Standby knob trim 2 AM PLENS 02 Power lens 3 AM LENSM 02 Remote eye lens 4 CD DISPW Display window 5 I6 MBDIS 02 Display PCB 6 CD FACSE B CD FACSE S Front facia black Front facia silver 7 I2 FRONT...

Страница 19: ...602 SMD0603 Not fitted R603 SMD0603 Not fitted R604 SMD0603 Not fitted R605 SMD0603 Not fitted R606 SMD0603 Not fitted R607 SMD0603 Not fitted R608 SMD0603 Not fitted R609 SMD0603 Not fitted R610 SMD0...

Страница 20: ...10k TF 1 16W 5 RP705 SMD CAY16 100R TF 1 16W 5 RP706 SMD CAY16 Not fitted CAPACITORS C401 SMD0603 47p CP 50V 5 C402 SMD0603 Not fitted C403 SMD0603 22n CP 25V 10 C404 SMD0603 22n CP 25V 10 C405 SMD060...

Страница 21: ...5V 10 C706 SMD0603 22n CP 25V 10 C707 SMD0603 22n CP 25V 10 C708 SMD0603 22n CP 25V 10 C709 SMD0603 22n CP 25V 10 C710 SMD0603 22n CP 25V 10 C711 SMD0603 22n CP 25V 10 C712 SMD0603 1u CP 16V 10 C713 S...

Страница 22: ...Signal diode Change to DA3X108K0L from BAS16 D505 SMC SSC54 E3 57T Rectifier D506 SMC SS35 E3 57T Rectifier D507 SOT 23 TL432ASA 7 Adjustable zener diode D701 SOT 23 KM 23HD Red LED D803 SOT 23 Not fi...

Страница 23: ...Crystal XTAL601 XTAL SMD6 Not fitted CONNECTORS SOCKETS CON601 CONLIF16T SM Not fitted CON701 CONLIF25T SM 528082570 25 way LIF connector CON702 HEADER Not fitted CON703 SIL_6W Not fitted CON704 CONLI...

Страница 24: ...6W 1 R421 SMD0603 22k TF 1 16W 1 R422 SMD0603 22k TF 1 16W 1 R423 SMD0603 1R0 TF 1 16W 1 R424 SMD0603 Not fitted R425 SMD0603 10k TF 1 16W 1 R426 SMD0603 100R TF 1 16W 1 R427 SMD0603 2k2 TF 1 16W 1 R4...

Страница 25: ...P 25V 10 C421 SMD0603 22n CP 25V 10 C422 CAPSMD4 0 22uF EL 16V 20 C423 SMD0603 33pF CP 50V 5 C425 SMD0603 100n CP 25V 10 C426 SMD0603 100n CP 25V 10 C427 CAPSMD6 3 100uF EL 10V 20 C428 SMD0603 100n CP...

Страница 26: ...hannel motor driver VOLTAGE REGULATORS VR401 SOT223 LM1117MPX 3 3 SMD 3v3 regulator FILTERS INDUCTORS CRYSTALS X401 GSX 751 8 4672MHz MP04546 CONNECTORS SOCKETS CON401 CONZIF24 SM_0 5MM 04624002400680...

Страница 27: ...io Ltd Jun 2014 24 CD t Service Manual Issue 1 Circuit diagram index The Cyrus CD t circuit diagrams are listed below Main PCB Digital output and MC BUS 25 Power supply 26 Microcontroller 27 Servo PCB...

Страница 28: ...01A 74HCT14 9 8 IC401D 74HCT14 13 12 IC401F 74HCT14 R402 47k R401 47k 5 6 IC401C 74HCT14 11 10 IC401E 74HCT14 3 4 IC401B 74HCT14 5VCC DGND C404 22n DGND C409 1n 1 2 3 SK402A 12HP070HSG SK402B PHONODUA...

Страница 29: ...XAP 7440530047 7440530047 C516 MKP1840 M 10n 1kV C501 10uF 450V C502 22uF 400V Panasonic EE Panasonic EE EEUEE2W100 EEUEE2G220 6 1 TX501A TRANS_094931 4 3 TX501B TRANS_094931 9 14 TX501C TRANS_094931...

Страница 30: ...ET_RX_ER 70 P1 10 ENET_RXD1 71 P1 9 ENET_RXD0 72 P1 8 ENET_CRS 73 P1 4 ENET_TX_EN 74 P1 1 ENET_TXD1 75 P1 0 ENET_TXD0 76 Vdd 3v3 77 Vss 78 P0 2 TXD0 AD0 7 79 P0 3 RXD0 AD0 6 80 IC701 LPC1752FBD80 UART...

Страница 31: ...22uF 16V HF_GND CDT_RDY CDT_DAT CDT_CLK DGND R403 10R R404 10R 1v8_CD R407 10k 3v3_CD 3v3_CD T401 BC817 R401 220R R402 750R DGND 1v8_CD C405 22n HF_GND C413 22uF 16V VCOM DGND BIAS C416 100n Motor dr...

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