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SoundCraft CPS2000 manual

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Table of contents for the manual

  • Page 1

    SOUNDCRAFT CPS2000 Console Power Supply User and Tech nical Manual IMPORTANT: please read this manual carefully before connecting your Soundcraft console pow er supply to the mains for the first time. For your own safety and to avoid invalidation of the warranty all te xt marked with these Warning S ymbols should be read carefully.[...]

  • Page 2

    © Harman International Industries Ltd. 1997, 200 5 All rights reserved Part s of th e desi gn of this prod uct may be prot ecte d by worl d-wid e pa tents . Part No. ZM01 98-0 5 Soundcraft is a trading divisio n of Harman I nternational Industr ies Ltd. Information in th is manual is subj ect to cha nge without notice a nd does not represe nt a co[...]

  • Page 3

    Contents Introduction 1 Mains Voltage Selection 2 Operat ing Voltag e Range 4 Replacing Mains Fuse 4 Warranty 5 Recommendations for Installation 7 PSU Linking 10 Dimen sions 11 Technical Specificati on 13 Circuit Description 15 Part s List 25 Fan Control 35 Technical Drawings 39 i[...]

  • Page 4

    ii[...]

  • Page 5

    Introduction Introduction 1[...]

  • Page 6

    IMPORTANT SAFETY INSTRUCTIONS · Read these in structions. · Keep these instructions. · Heed all warnings. · Follow all instructions. · Do not use this apparatus near water. · Clea n only w ith a dry cl oth. · Do not block any ventilation openings. Ventilation should not b e impeded by co vering the ventilation op eni ng s wi th it ems su ch [...]

  • Page 7

    Introd uction WARNING: THIS APPARATUS MUST BE EARTHED The CPS2000 is a linear power su pply which, like other linear supplies, produces DC voltages by rectifying, smoothing and regula ting AC voltages from the se condary wind ings of a mains t ransforme r. Sound craft mi xing consoles e mploy a numbe r of dc voltage supply levels in their operation[...]

  • Page 8

    200V 230V 100V 115V Mains Voltage Selector Positions CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR NO USER SERVICEABLE PARTS INSIDE NO USER SERVICEABLE PARTS INSIDE NO USER SERVICEABLE PARTS INSIDE NO USER SERVICEABLE PART[...]

  • Page 9

    OPERATING VOLTAGE RANGE It is very important to use th e correct mains voltag e selection. A wide operating range of mains voltages is provided to enable the unit to func tion down to only 85Vrms on the mains supply. This fac ility is incorporated to overco me the problems that some power supplies have with internal r egulation when operating from [...]

  • Page 10

    1 Soundcraft is a trading division of Harman Interna tional Industries Ltd. End User mean s the person who first puts the equipment into regular operation. Dealer means th e pe rson ot her th an So undcra ft (if any ) from whom the End U ser purchased the Equipment, provided such a person is authorised for this purpose by Soundcraft or its accredit[...]

  • Page 11

    Recommendations for Installation of the CPS 2000 Instal lation 7[...]

  • Page 12

    Recommendations for Installation The CPS2 000 power su pply is pro vided w ith f ront pa nel fi xing ho les for 19" rack-mounting and will occupy 4U of rack space. Rear support should be provided when fitted in a 1 9" rack. The CPS2000 is a heavy unit (30k g,) and should be regarde d as a two- man lift . Take suit able prec autions when l[...]

  • Page 13

    Finally, some consideratio n should be given to the ea rthing arrangement of the system at the ce ntre of which are the conso le and the CPS2000 (and any ot her Soun dcra ft power supply units). The con sole ch assis is eart hed, thro ugh the mains earth, via the power supply. When rack- mount ing th e CPS200 0(an d any other So undcra ft po wer su[...]

  • Page 14

    PSU Linking Link the second PSU to th e first a s shown in the following diagram. Note that the linking cable is included when a spare CPS2000 is ordered. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR NO USER SERVICEABLE P[...]

  • Page 15

    Dimensions All dimensions in millimeters Instal lation 11[...]

  • Page 16

    12 Installa tion[...]

  • Page 17

    Technical Specification Technical Specificati on 13[...]

  • Page 18

    Technical Specification MAINS INPUT VOLTAGE RANGE: 230 /200/1 15/10 0 V A C + 10% / -15% @ 5 0/60H z RATED INPUT P OWER (Max): 980 WAT TS MAINS F USE RATING : Use T10A L/25 0V (slo w-blow) . OUTP UTS DC. VOLTAGE RAIL MAX. OUTPUT CURRENT +17V 16 .00 AMPS -17V 16 .00 AMPS +48V 0.30 A MPS +8V 1.25 AMPS All vol tage and current measur ements ar e to be[...]

  • Page 19

    Circuit Description CAUTION:THE FOLLOWING SECTIO NS ARE FOR USE BY QUALIFIED SERVICE PERSONNEL ONLY. TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT PERFORM AN Y SERVICING, OTHER THAN THAT CONTAINED IN PREVIOUS SECTIONS, UNLESS YOU ARE QUALIFIED TO DO SO. Circuit Description 15[...]

  • Page 20

    Circuit Description INTRODUCTION. The CPS2 000 power suppl y prov ides +/ -17V at 16 Amps, +8V at 1 .25 Am p, and + 48V at 0. 3 Amp . The main PCB (SC3 804) is in LH and RH halves . The LH PC B carrie s the +17V and +48V supplies. T he RH PCB carries the -17V and +8V supplies. A separate PCB (SC3817) carries the m ains voltage selector switch es at[...]

  • Page 21

    The 723 IC is powered through R11, which allows ripple filtering by C9, a nd voltage prote ction by DZ 1,2. T hese Zeners ar e no t req uired to redu ce ripp le; th eir fu nction is purely pr otectiv e, prev enting the 40V Vmax sp ec of the 723 being ex ceeded should the mains voltage rise above nominal. The cu rrent thro ugh th e pass dev ices TR [...]

  • Page 22

    When shutdown has ocurred, the supply is reset by turning the main s briefly off and on. R100 discharges C25 so that the circ uit is ready for use at the n ext switch-on. Th e special su pplies generat ed by D13, C2 6, and D14, C 25, are designed to disch arge very quickly at power-off, and it should not be necessary to tu rn the PSU off f or more [...]

  • Page 23

    Undervoltage warning. The supply gives a warning indication when the mains voltage has fallen so low that regulation is about to be lost. T he Headroom Indica tor subsystem illuminate s all the decimal points o n the DPM, giving a clear sig nal that something is amiss. The voltage across the pass tr ansistors is monitored by TR3; when this v oltage[...]

  • Page 24

    The +48V Supply. Max cu rren t rating is 0.3 A mps. Th e +48 V phantom supply is based on the high-voltage regulator T L783C. (REG1) The AC input is fused by F4 a nd fullwave rectif ied by BR4; C1 ,24 are t he reservoi r capaci tors. Th e unregu lated D C may rise as high as +8 5V on hi gh mains. The TL783C maintains a fixed 1.27 V between its ADJ [...]

  • Page 25

    Setting Setting Voltage Spec’d Measured EURO PE 230/1 15 230 195 1 86 EURO PE 200/1 00 200 170 1 64 USA/J APN 230/1 15 115 98 95 USA/J APN 200/1 00 100 85 85 Note that the dropout voltages in the rightmost c olumn were measured on a CPS2000, and are significantly lower than the guarantee d dropout specific ation of -15%. Fan Control PCB. SC4032. [...]

  • Page 26

    FAULTFINDING NOTES. SAFETY: These sa fety notes are directed to those testing and repairin g this power supply. Legal requirements mean that we must not encourage untrained per sonnel to take the lid off. +/- 17V RAILS. 1) A convenien t position for atta ching a te st meter to 0V is the top le g of bleede r resistor R 9 (top leg of R47 on R H PCB) [...]

  • Page 27

    THIS IS DANGEROUS. The danger lies n ot in the voltage, but in the enormous cu rrents that will flow if the capacitor terminals are shorted. A small screwdriver will simply disappear in a violent explosion. The m ain bodily danger is from metal wa tchstraps, et c. Serious burns are very likely if these contact the capacitor . For safet y reasons, t[...]

  • Page 28

    24 Circuit Description[...]

  • Page 29

    Parts List Parts List 25[...]

  • Page 30

    Spare Parts Notes: 1) The ‘Module/PCB Assemblies’ section is indented to show those items which are part of another, higher level, item. 2) Some of the descriptions are preceded by one of the following 3 symbols: # - STATIC SENSITIVE. Anti-static precautions must be taken whilst handling this part. ! - SAFETY CRITICAL PART. A part of a differen[...]

  • Page 31

    MAIN ASSEMBLIES ! CPS2000 WIRED TESTED PSU CHAS RY8009 Ident . . . . . . . . . . . . . . . . . . . . . . . . . . Description . . . . . . . . . . . . . . . . . Part Number —- . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80MM F AN FIL TER ASSY . . . . . . . . HZ2211 —- . . . . . . . . . . . . . . . . . . . . . . . . . . . . CPS2000 PSU[...]

  • Page 32

    CPS2000 RH MODULE ASSY RS5975 Ident . . . . . . . . . . . . . . . . . . . . . . . . . . Description . . . . . . . . . . . . . . . . . Part Number —- . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2WY MTHD .1" FML . . . . . . . . . FF0585 —- . . . . . . . . . . . . . . . . . . . . . . . . . . . . P APST 12V 2.4W 80MM F AN . . . . .[...]

  • Page 33

    PCBS CPS2000 FAN CONTROL PCB ASSY RA4032 Ident . . . . . . . . . . . . . . . . . . . . . . . . . . Description . . . . . . . . . . . . . . . . . Part Number —- . . . . . . . . . . . . . . . . . . . . . . . . . . . . CPS2000 HEA TSINK BRACKET . . . . . PF0655-02 —- . . . . . . . . . . . . . . . . . . . . . . . . . . . . T O-220 SIL P AD SELF ADH[...]

  • Page 34

    C4 . . . . . . . . . . . . . . . . . . . . . . . . . . CAP ELEC VERT 47UF 25V TPD SKP . . . . CE0401 C5 . . . . . . . . . . . . . . . . . . . . . . . . . . CAP ELEC VERT 2.2UF 50V TPD SS . . . . . CE0416 C6 . . . . . . . . . . . . . . . . . . . . . . . . . . CAP ELEC T ANT 2.2UF 16V . . . . . . . . . CF0504 C7 . . . . . . . . . . . . . . . . . . . [...]

  • Page 35

    D23 . . . . . . . . . . . . . . . . . . . . . . . . . . DIODE 1N4001 . . . . . . . . . . . BA0005 D24 . . . . . . . . . . . . . . . . . . . . . . . . . . DIODE 1N4001 . . . . . . . . . . . BA0005 D25 . . . . . . . . . . . . . . . . . . . . . . . . . . DIODE 1N4001 . . . . . . . . . . . BA0005 D26 . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 36

    R11 . . . . . . . . . . . . . . . . . . . . . . . . . . CF RES 1/2W 5% 330R . . . . . . . . . AF0537 R12 . . . . . . . . . . . . . . . . . . . . . . . . . . MF 0.25W RES 1% 22K BL . . . . . . . AP1381 R13 . . . . . . . . . . . . . . . . . . . . . . . . . . MF 0.25W RES 1% 10K BL . . . . . . . AP1373 R14 . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 37

    R71 . . . . . . . . . . . . . . . . . . . . . . . . . . MF 0.25W RES 1% 10K BL . . . . . . . AP1373 R72 . . . . . . . . . . . . . . . . . . . . . . . . . . MF 0.25W RES 1% 22K BL . . . . . . . AP1381 R73 . . . . . . . . . . . . . . . . . . . . . . . . . . MF 0.25W RES 1% 7K5 BL . . . . . . . AP1370 R74 . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 38

    TR23 . . . . . . . . . . . . . . . . . . . . . . . . . NPN TRANS 2SC2240BL(T APED) . . . . . BD0302 TR24 . . . . . . . . . . . . . . . . . . . . . . . . . NPN TRANS 2SC2240BL(T APED) . . . . . BD0302 TR25 . . . . . . . . . . . . . . . . . . . . . . . . . NPN TRANS 2SC2240BL(T APED) . . . . . BD0302 TR27 . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 39

    Fan Control Fan Control 35[...]

  • Page 40

    CPS2000 Fan Control & PCB SC4032 Technical Descripti on The later models o f the CPS2000 are fitted with a fa n control servo system th at adapts th e fan speed to the power drawn. This gives a substantial reduction in fan noise under almost all circumstance s; the exception bein g 10% high mains and maximum c urrent drawn, which naturally sets[...]

  • Page 41

    CPS2000 Fa n Contro ller Circuit Diagram Fan Control 37[...]

  • Page 42

    38 Fan Control[...]

  • Page 43

    T echnical Drawings 39 T echnical Drawings Circuit Diagrams ED3804A Issue 9 ED3804B Issue 9 ED3804A Issue 10 ED3804B Issue 10 ED3817 Issue 4 PCB Layout s SC3804 Issue 9 SC3804 Issue 10 SC3817 Issue 4[...]

  • Page 44

    T echnical Drawings 40[...]

  • Page 45

    T echnical Drawings 41[...]

  • Page 46

    T echnical Drawings 42[...]

  • Page 47

    T echnical Drawings 43[...]

  • Page 48

    T echnical Drawings 44[...]

  • Page 49

    T echnical Drawings 45[...]

  • Page 50

    T echnical Drawings 46[...]

  • Page 51

    T echnical Drawings 47[...]

  • Page 52

    T echnical Drawings 48[...]