Cambridge Audio Azur 840C Manuale Utente

Gallery Court Hankey Place London SE1 4BB UK Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 840CIssue Date: 07thFebruary 2007

Cambridge Audio Azur 840C CD PlayerAP19135/3 Front Panel Board Layout (Bottom Side)To enhance viewing, please print to A3 10

AP19138/5AP Part No.Value Description Factory Part No Qty Component Ident Notes47R 0.25 W 1% Metal Film1R156R 0.25 W 1% Metal Film2 R3, R4100R 0.25 W

Cambridge Audio Azur 840C CD PlayerAP18432/3 CD Servo PCB Schematic (DAC)SDATA1DEM/SCL2LRCK3MCLK4AOUTL8VA+7AGND6AOUTR5U5CS4333/38C410.1uFC4010uF 25VC3

Cambridge Audio Azur 840C CD PlayerAP18432/3 CD Servo PCB Schematic (Servo)SEG1477SEG1576SEG1675SEG1774SEG1873NC72NC71NC70NC69NC68NC67NC66NC65NC64NC63

Cambridge Audio Azur 840C CD PlayerAP12927/8 CD Servo Board Layout (Top Side)To enhance viewing, please print to A3 14

Cambridge Audio Azur 840C CD PlayerAP12927/8 CD Servo Board Layout (Bottom Side)To enhance viewing, please print to A3 15

AP19969/3AP Part NoValue Description Qty Component Ident Factory Part no Notes000-410000-110104R1rotsiseRmliFlateMW52.0R0115R 0.125 W Metal Film Resis

AP19969/3AP Part NoValue Description Qty Component Ident Factory Part no NotesCambridge Audio Azur 840C Servo PCB Assembly BOMPY565 TOSHCDMCUMCU TMP87

Cambridge Audio Azur 840C CD PlayerAP17977/2 Voltage Select Switch PCB SchematicJ2FROM J4 (Common)SW1VOLTSELECT RF1002B115/230V MarkingJ1BROWN (230V)J

Cambridge Audio Azur 840C CD PlayerAP17977/2 Voltage Select Switch Board Layout (Top Side)To enhance viewing, please print to A3 19

840C SERVICE MANUALTABLE OF CONTENTS Safety Precautions & Important Notes 3Laser Safety Precautions 4Exploded Diagram 5Exp

Cambridge Audio Azur 840C CD PlayerAP17977/2 Voltage Select Switch Board Layout (Bottom Side)To enhance viewing, please print to A3 20

AP17980/1AP Part NoValue Description Qty Component Ident Factory Part Number Notes000-002010-60421WS1rotceleSegatloVB2001FRCambridge Audio Azur 840C V

Cambridge Audio Azur 840C CD PlayerAP19129/4 DAC DSP Circuit Diagram (ABus)IR OUTIR INIR INCN100JACK-CKX-3.5-123.5mm JACK+5V3OPT1GND2U1TSOP1836 IR RE

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC Test Signals (Main Signal Paths General)Test Point Schematic RefPageSignalTypeMeasurementNodetnemerus

Cambridge Audio Azur 840C CD PlayerAP19129/4 DAC DSP Circuit Diagram (DSP)BITCLKWDCLKSDATA_LSDATA_RCS_DAC1CS_DAC2RELAYSSDSP RESETRESETDAC1_MCLKDAC2_M

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC Test Signals (Main Signal Paths General)Test Point Schematic RefPageSignalTypeMeasurementNodetnemerus

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC DSP Filters Circuit DiagramMUTERESETMUTERESETDAC1_MCLKSCKCS_DAC1MOSIDAC2_MCLKSCKCS_DAC2MOSIWDCLKBITCL

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC Test Signals (Main Signal Paths Left Channel)Test Point Schematic RefepyTreteMtnemerusaeMnoitpircseDe

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC Test Signals (Main Signal Paths Left Channel)Test Point Schematic RefepyTreteMtnemerusaeMnoitpircseDe

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC Test Signals (Main Signal Paths Right Channel)Test Point Schematic RefPage Signal TypeMeasurementNode

SAFETY PRECAUTIONS & IMPORTANT NOTES 1. Check that the rear of the product indicates the correct supply voltage for your area. 2. The lighting fla

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC Test Signals (Main Signal Paths Right Channel)Test Point Schematic RefPage Signal TypeMeasurementNode

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC DSP Flash Circuit DiagramA12A10A9A14A15A18WE_FLASH#A17A16A13A8A7A6A5 A4A3A2A1D0D1D2D3D4D5D6D7CS_FLASH

Cambridge Audio Azur 840C CD PlayerAP19129/5 DAC DSP Supply Circuit DiagramD71N4002D81N4002D91N4002D101N4002+21V UNREG-21V UNREGC59100N 100VC60100N 10

Cambridge Audio Azur 840C CD PlayerAP19129/4 DAC DSP Board Layout (Top Side)To enhance viewing, please print to A3 33

Cambridge Audio Azur 840C CD PlayerAP19129/4 DAC DSP Board Layout (Bottom Side)To enhance viewing, please print to A3 34

AP19132/6setoNtnedItnenopmoCytQoNtraPyrotcaFnoitpircseDeulaVoNtraPPA01R,1R2W360.0rotsiseRR022A01tnerrucegruSA2tnerrucdetaR781R,681R,98R,2R4W521.0rotsi

AP19132/6setoNtnedItnenopmoCytQoNtraPyrotcaFnoitpircseDeulaVoNtraPPACambridge Audio Azur 840C DAC PCB Assembly BOM66cimareCR7XV05N001C2, C4, C7, C9, C

AP19132/6setoNtnedItnenopmoCytQoNtraPyrotcaFnoitpircseDeulaVoNtraPPACambridge Audio Azur 840C DAC PCB Assembly BOM2NC1elgnAthgiRBCPepyTDyaW9detalpdlog

Cambridge Audio Azur 840C CD PlayerAP19125/3 Mains PCB SchematicFU320MM T2ALJ1BLUEJ3TO VOLTAGE SELECTOR PCBC3X2 47N SUPPRESSIONC21N X1/Y1 C&CC11N

Cambridge Audio Azur 840C CD PlayerAP19125/3 Mains PCB Board Layout (Top Side)To enhance viewing, please print to A3 39

LASER SAFETY PRECAUTIONS Caution: These labels may be attached to the unit on the rear and inside toinform that it contains a laser component. Use of

Cambridge Audio Azur 840C CD PlayerAP19125/3 Mains PCB Board Layout (Bottom Side)To enhance viewing, please print to A3 40

AP19128/2AP Part No Value Description QtyComponentIdentFactory Part No.Notes1n X1/Y1 10mm pitch Polyester Capacitor 2 C1, C2hctiPmm513C1roticapaCretse

Cambridge Audio Azur 840C CD player IC Pin LayoutDetailsTA2153FNServo PCB (U1)TC9462FGServo PCB (U2)42

MCU TMP87EP26F-1J15Servo PCB (U3)TA2092NServo PCB (U6)7808Servo PCB (U7)7805Servo PCB (U8)DAC PCB (U17, U25, U27, U29, U31 & U36)C8050DServo PCB (

9014CServo PCB (Q13)C8550Servo PCB (Q9 & Q10)9015CServo PCB (Q1)TSOP1836SS3VFront Panel PCB (U1)PIC16F877A-I/PFront Panel PCB (U2)DS18030-050Front

PIC12C508A-I/PFront Panel PCB (U4)BA6218Front Panel PCB (U5)BC337Front Panel PCB (Q1, Q2, Q3 & Q4)TSOP1836DAC PCB (U1)OP4N25DAC PCB (U2)4011DAC PC

74VHC14DAC PCB (U6 & U15)74VHC153DAC PCB (U7)74HCT153DAC PCB (U9)74VHC32DAC PCB (U8)TX179ATDAC PCB (U10)CS8416CZDAC PCB (U11)46

CS8406CZDAC PCB (U12)ADSP-BF532BSTZ400DAC PCB (U13)7815DAC PCB (U14, U22, U49 & U51)47

7915DAC PCB (U16 & U24)LM1117T_3.3DAC PCB (U18 & U26)74VHC125DAC PCB (U19)74HCT125DAC PCB (U20)DS1818DAC PCB (U21)48

74HCU04DAC PCB (U23)MAX202CSEDAC PCB (U28)LT1963AETDAC PCB (U30)AT49BV002AN70TUDAC PCB (U32)OPA8421DDAC PCB (U33, U34, U37 & U38)49

Cambridge Audio Azur 840C CD PlayerExploded DiagramTo enhance viewing, please print to A3 5

OPA1632DGNDAC PCB (U35 & U39)OPA2134UADAC PCB (U40, U41, U46, U50, U52 & U53)LT1761ES5-BYPDAC PCB (U42 & U44)LT1761ES5-2.8DAC PCB (U43 &am

MPSA14DAC PCB (Q4 & Q6)TIP31DAC PCB (Q10 & Q11)BC817-25DAC PCB (Q1, Q12, Q13, Q17 & Q18)51

Circuit Description To Follow. 52

AP21487/1 Azur 840C CD Player Upgrade Software Instructions Cambridge Audio Gallery Court Hankey Place London SE1 4BB England www.cambridge-audio.com

1 x Latest 840C DSP Software (AP20059X 740C-840C DSP software upload file VX.X (6.1.ZZ).bin). 1 x Latest 840C PIC Software (AP20058X 840C VX.X.HEX).

4. Switch the 840C on using the Power On/Off switch on the rear panel, while pressing and holding the Standby/On button on the front panel. This wil

8. If the wrong comm port is selected, please close down the software and repeat the process, from step 6, above. 9. Select the “Load File” button c

12. Now press the “Download Code” button corresponding to “PIC Software Download” to start the process. “Programming PIC Processor…” will now displa

13. When the process is complete, the program will display the following: Also, the 840C will return to its Standby mode. 14. If at any time during

1. Make sure the 840C is switched off. 2. Repeat steps 1 to 9 for the PIC software above. Note: Please skip step 1 if you already have the PC/Lapto

Cambridge Audio Azur 840C CD PlayerExploded Diagram Parts ListnoitpircseDecnerefeRyrotcaFtraPPA.feRgniwarD1 PY1228 7003-008010E006 Screw M3*8 M/C 1/K

screen and the progress bar will start to move. Also “Loading DSP…” will be displayed on the 840C front panel LCD. 7. When the process is complete,

Testing1. Repeat the procedure “Checking Software Version” above and note the new software version. This should be the same number as the numbers lo

Cambridge Audio Azur 840C CD PlayerFunctional Block DiagramDSPDC SERVO CIRCUITCURRENT SOURCECIRCUITITOVITOVDIFFERENTIAL FILTER/AMPDIFFERENTIAL TO SING

Cambridge Audio Azur 840C CD PlayerAP19135/4 Front Panel Circuit DiagramCONTROL BUSSPI DATA RXSPI INTSPI DATA TXSPI CLKSPI CSSERIAL TXSERIAL RXOE1SO1_

Cambridge Audio Azur 840C CD PlayerAP19135/3 Front Panel Board Layout (Top Side)To enhance viewing, please print to A3 9