Arcam C30, P35 Service Manual Download

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Service
Manual

C30 Pre-Ampli

Issue 1.0

ARCAM

Bringing music & movies to life

Summary of Contents for C30, P35

Page 1: ...Service Manual C30 Pre Ampli er Issue 1 0 ARCAM Bringing music movies to life...

Page 2: ...o board o L955AY multi channel board Transformers o L923TX 115 230VAC toroidal o L922TX 100VAC toroidal o L907TX 100VAC frame Exploded view diagram Mechanical packing parts list Circuit board silk scr...

Page 3: ...ircuits The primary of the Toroid supply transformer Tx2 is connected to CON3 and the power to this is switched on and off by the relay RLY1 The transformer has a number of secondary outputs and we us...

Page 4: ...ng Each of the inputs has a pair of diodes to the 15v rails to prevent static spikes from causing damage to the CMOS multiplexors In addition there is a simple resistor capacitor filter with a corner...

Page 5: ...l receives no data it will remain in Audio mute mode Relay RLY100 shunts the output of the Op amps to ground at switch on power down and when switching between inputs Audio output stages The Audio out...

Page 6: ...tone control circuits are driven from the SDATA SLOAD and SCLK data lines from SK3 The Mute status line has control over the pre amp output relay at location RLY100 the mute is triggered during power...

Page 7: ...s are used for communication these are seen on the circuit diagram as PB0 receive from ExpBrd and Transmit to ExpBrd When the host is communicating with the onboard micro controller PB0 will be driven...

Page 8: ...the left and right signals are seen on the L937 pre amp card circuit diagrams as module left and module right The Remaining channels are rail clamped to remove any over voltage spikes from the rails a...

Page 9: ...4 This differential stage also has an active load TR102 TR103 to keep gain to a maximum Both of these differential stages are designed to have as much gain as possible to enable the single stage desig...

Page 10: ...le Heatsink F006 Clip for HS1 ITEM7 1 Clip For SW Profile Heatsink F006 Clip for HS2 Clip for HS3 Clip for HS5 Clip for HS6 0V CHS FD3 FD4 TOOL1 TOOL2 TOOL3 TOOL4 ITEM8 1 Pad Damping 15x6x3MM Sorbotha...

Page 11: ...REMOTE TRIGGER TO DISPLAY CARD DGND DGND 4V5 D 46V D DGND 24V7 A 18V A 24V7 A 18V A 15V A 15V A 46V D DGND DCPROT VIPROT THERMPROT SPKR2 ON SPKR1 ON 24V7 A 24V7 A C23 100N 50V 0805 C24 100N 50V 0805 C...

Page 12: ...PAGND MUTE C113 100P 100V 0805 C114 100P 100V 0805 C115 100P 100V 0805 C116 100P 100V 0805 C117 10N 100V 0805 PAGND LEFT RIGHT DIRECT BUFFERED PREAMP AUDIO OUTPUTS P107 P108 P103 P104 P105 P111 P112 P...

Page 13: ...td Pembroke Avenue Cambridge CB5 9PB Waterbeach ARCAM A4 Main signal path L965C2_1 2 SCH Power supply L965C3_1 2 SCH PCB PCB1 L937PB_1 03_E156 KAL 02 06 03 Assy created from L937 various capacitors an...

Page 14: ...C156 100N SM 0V_SIG 0V_SIG 5V SCLK SDATA SLOAD 0V_SIG 0V_SIG R200 2R2 SM R201 2R2 SM R202 2R2 SM 0V_SCLK 0V_SLOAD 0V_SDATA C158 22P SM C159 22P SM 0V SIG 0V_SIG SEL1 1 S2 14 D1 2 V 13 S1 3 S3 11 V 4 G...

Page 15: ..._MODULE C307 470N PE C308 100N SM C309 100N SM Q300 J112 Q303 J112 R300 330R SM R304 330R SM D310 15V 350MW SM D311 15V 350MW SM Q306 BC846B Q307 BC856B 1 2 3 4 SK301 IDC4S 15V 15V 0V_PSU 0V_MODULE AC...

Page 16: ...J DISPLAY PCB MICRO PCB PCB1 L928PB_B CHASSIS 1 CHASSIS 2 CHASSIS 3 BY SK3 BY SK1 BY SK2 C39 1N0 SM C45 1N0 SM C40 1N0 SM C41 1N0 SM C43 1N0 SM C44 1N0 SM C46 1N0 SM C47 1N0 SM C49 1N0 SM C48 1N0 SM 0...

Page 17: ...R56 10K SM R57 10K SM Q_1 Q_2 Q_3 Q_4 Q_5 Q_6 Q_7 Q_8 Q_9 Q_10 Q_11 Q_12 Q_14 Q_15 Q_16 Q_17 Q_19 Q_20 Q_21 Q_22 Q_23 R58 0R0 SM R59 0R0 SM R64 100R SM R65 100R SM R66 100R SM R67 100R SM C31 10P SM...

Page 18: ...Waterbeach Cambridge CB5 9PB A85 PHONO STAGE TOP LEVEL Circuit Diagram L870C1 JBR 23 Apr 2001 INITIALS Date Printed 1 3 Sheet of Notes 1 EMC SK1 PHONO2HG 0V_SIG 0V_SIG LEFT IN LEFT OUT LEFT CHANNEL L8...

Page 19: ...2M2 MF R111 56K MF R113 100K MF R114 100K MF TR111 BC546B TR110 BC546B TR114 BC546B TR112 BC546B TR113 BC546B TR100 BC556B TR101 BC556B TR102 BC556B TR103 BC556B TR104 BC556B TR105 BC556B TR108 BC546...

Page 20: ...5 100N PE R217 2M2 MF R211 56K MF R213 100K MF R214 100K MF TR211 BC546B TR210 BC546B TR214 BC546B TR212 BC546B TR213 BC546B TR200 BC556B TR201 BC556B TR202 BC556B TR203 BC556B TR204 BC556B TR205 BC55...

Page 21: ...ft_OP Centre_OP FRight_OP SLeft_OP Sub_OP SRight_OP BLeft_OP BRight_OP Vol_Mute Vol_Mute Volume Control Circuit Volume Control Circuit Sch FLeft_OP Centre_OP FRight_OP SLeft_OP Sub_OP SRight_OP BLeft_...

Page 22: ...V 0805 C111 100N 50V 0805 C109 100N 50V 0805 C108 NF 100N 50V 0805 C119 100UF 25V SM R102 100R 0W125 0805 R109 100R 0W125 0805 R108 100R 0W125 0805 R103 1K0 0W125 0805 R104 1K0 0W125 0805 R105 1K0 0W1...

Page 23: ...222 100N 50V 0805 C221 100N 50V 0805 C220 100N 50V 0805 A80 A32 Multichannel Expansion Module Mch2_FLeft Mch2_FRight Mch2_Centre Mch2_Sub 5VA 5VA 5VA 5VA 5VA 5VA 5VA 5VA 5VA 5VA Mch1 Mch2_Ctl Mch1 Mch...

Page 24: ...8 100N 50V 0805 C349 100N 50V 0805 AGND AGND 6 5 7 IC303B OPA2134UA SO 8 AGND R323 1M0 0W125 0805 C347 100N 50V 0805 R314 22K 0W125 0805 AGND C345 100N 50V 0805 C346 100N 50V 0805 AGND AGND 6 5 7 IC30...

Page 25: ...23 47R 0W125 0805 R418 47R 0W125 0805 FLeft_OP Centre_OP FRight_OP SLeft_OP Sub_OP SRight_OP BLeft_OP BRight_OP RLY400A NEC EB2 5NU RLY400B NEC EB2 5NU RLY401A NEC EB2 5NU RLY401B NEC EB2 5NU RLY402A...

Page 26: ...8 14 195Vto265V 3 Transformertohave4secondarywindingsasshowin headjacentdrawing 4 LoadedDCvoltagesspecfiedat195VACin wthtansformerpimariesinseries 5 Eachsecondarywindingtohaveafullwave 4diode bridgeto...

Page 27: ...indings as show in the adjacent drawing 4 Loaded DC voltages specified at 85V AC in with transformer primaries in parallel 5 Each secondary winding to have a full wave 4diode bridge to produce a singl...

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Page 30: ...aisted BR SC HL4SB 29 Washer M4 Int Shakeproof BLK HL6MA 30 Bright Washer M6 Mudguard O D 20mm HP008 31 Snap Rivet Black Plastic L870AY 32 A85 Phono Stage PCB L914CA 33 Cable FFC 22 Way A85 Disp Pre L...

Page 31: ...mbly Made up of the following parts E188AY Front Panel Assembly Silver FMJ C30 E083AY FMJ A32 Sub Panel Assy 8Q006 8Q006 FMJ Tact Button Spring HL25AB HL25AB FMJ Tact Button Fastener E849PM Button FMJ...

Page 32: ...CAM Products 2000 TM L928PB B GTO...

Page 33: ...V X7R 10 SM C43 2C210 MLC 1N0 50V X7R 10 SM C44 2C210 MLC 1N0 50V X7R 10 SM C45 2C210 MLC 1N0 50V X7R 10 SM C46 2C210 MLC 1N0 50V X7R 10 SM C47 2C210 MLC 1N0 50V X7R 10 SM C48 2C210 MLC 1N0 50V X7R 10...

Page 34: ...RES SM W4 2 10K R13 1A310 RES SM W4 2 10K R14 1A310 RES SM W4 2 10K R15 1A310 RES SM W4 2 10K R16 1A310 RES SM W4 2 10K R17 1A133 RES SM W4 2 330R R18 1A133 RES SM W4 2 330R R19 1A133 RES SM W4 2 330R...

Page 35: ...22A 22 WAY FFC CONN HORIZ 1MM PTH SK4 8K6315 14 WAY DIL HEADER HORIZ SP1 F195 LED SPACER SP2 F195 LED SPACER SP3 F195 LED SPACER SP4 F195 LED SPACER SP5 F195 LED SPACER SP6 F195 LED SPACER SP7 F195 LE...

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Page 37: ...05 NPO Ceramic 5 100V 100P C128 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C129 2L110 Capacitor SM 0805 NPO Ceramic 5 100V 100P C130 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C132 2L110 Cap...

Page 38: ...5 X7R Ceramic 10 50V 100N C342 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C343 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C344 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C345 2J410 Capa...

Page 39: ...C423 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C424 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C425 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C426 2JA310 Capacitor SM 0805 X7R Cerami...

Page 40: ...1M210 Resistor 0805 Surface Mount 0 125W 1 1K0 R112 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R113 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R114 1M133 Resistor 0805 Surface Mount 0 125W 1...

Page 41: ...Mount 0 125W 1 1M0 R322 1M510 Resistor 0805 Surface Mount 0 125W 1 1M0 R323 1M510 Resistor 0805 Surface Mount 0 125W 1 1M0 R324 1M510 Resistor 0805 Surface Mount 0 125W 1 1M0 R325 1M510 Resistor 0805...

Page 42: ...05CV TO 220 Package RLY400 A216 Relay 2P2T 5V SM RLY401 A216 Relay 2P2T 5V SM RLY402 A216 Relay 2P2T 5V SM SKT200 8D225 Phono Skt 4 WAY Gold SKT201 8D225 Phono Skt 4 WAY Gold SKT202 8D225 Phono Skt 4...

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Page 44: ...ic 10 50V 100N C29 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C30 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C31 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C32 2J410 Capacitor SM 0805 X...

Page 45: ...2308 Con Minifit HCS 8WAY CON3 8K2306 Con Minifit HCS 6WAY CON4 8K2304 Con Minifit HCS 4WAY CON5 8K6604 Con KK Series 0 1in Vertical Friction Lock Hdr 4WAY CON6 8K6604 Con KK Series 0 1in Vertical Fri...

Page 46: ...Deg C W HS3 F008 Heatsink TO 220 SW50 2 8 8 Deg C W HS4 F004 Heatsink TO 220 PF752 23 7 Degc W HS5 F008 Heatsink TO 220 SW50 2 8 8 Deg C W HS6 F008 Heatsink TO 220 SW50 2 8 8 Deg C W IC1 5B972 Opamp...

Page 47: ...5W 1 1K5 R35 1M247 Resistor 0805 Surface Mount 0 125W 1 4K7 R36 1M268 Resistor 0805 Surface Mount 0 125W 1 6K8 R37 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R38 1M000 Resistor 0805 Surface Mount...

Page 48: ...15 Relay 2P2T 12V SM RLY103 A215 Relay 2P2T 12V SM SH1 E5402 Shield EMC IEC Inlet Mains SKT1 8A001 Mains IEC Inlet 3PIN PCB Ins SKT2 8D302 Con Jack 3 5mm Dual Mono SKT100 8D225 Phono Skt 4 WAY Gold SK...

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Page 50: ...c 50V 10 100N C128 2C410 Capacitor SM 1206 X7R Ceramic 50V 10 100N C129 2C110 Capacitor SM 1206 NPO Ceramic 50V 5 100PF C130 2C110 Capacitor SM 1206 NPO Ceramic 50V 5 100PF C131 2N710 Capacitor Radial...

Page 51: ...Electrolytic Oscon SP 22UF 20V C192 2K447 Capacitor Boxed Polyester 5mm Pitch 10 63V 470N C193 2K447 Capacitor Boxed Polyester 5mm Pitch 10 63V 470N C300 2N810C Capacitor Radial Electrolytic Dia 12 5m...

Page 52: ...4B5171 Transistor 2SC5171 TO220 Package Q303 4J112 Transistor Jfet N Channel J112 TO 92 Package Q305 4B1930 Transistor 2SA1930 TO220 Package Q306 4A846B Transistor BC846B SOT23 Package Q307 4A856B Tr...

Page 53: ...25W 1 1K0 R158 1A210 Resistor 1206 Surface Mount 0 25W 1 1K0 R159 1A410 Resistor 1206 Surface Mount 0 25W 1 100K R160 1A410 Resistor 1206 Surface Mount 0 25W 1 100K R161 1A410 Resistor 1206 Surface M...

Page 54: ...Gold SK3 8D225 Phono Skt 4 WAY Gold SK4 8D225 Phono Skt 4 WAY Gold SK5 8D225 Phono Skt 4 WAY Gold SK6 8D226 Phono Skt 2 WAY Vert Gold SK100 8K8022B Con 1 00MM Vertical FFC 22WAY 52806 Series SK101 8K8...

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Page 56: ...00N 63V 10 C207 2K410 PEST 100N 63V 10 C208 2D147W PPRO W 470P 63V 5 RA C209 2D110W PPRO W 100P 63V 5 RA C210 2D247N PPRO 4N7 63V 5 RA C211 2D310 PPRO 10N 63V 1 AXIAL C212 2D310 PPRO 10N 63V 1 AXIAL C...

Page 57: ...RES MF W4 1 5K6 SK1 8D230 PHONO SKT 2 WAY HOR EMC GOLD SK2 8K2408 8 WAY AMP CT CONN SW100 A1013 SW PUSH 4PCO TR100 4A556 TRANS LF SS P BC556B TR101 4A556 TRANS LF SS P BC556B TR102 4A556 TRANS LF SS...

Page 58: ...ARCAM All parts can be ordered via spares arcam co uk Pembroke Ave Waterbeach Cambridge CB5 9PB ENGLAND TEL 44 0 1223 203 203 FAX 44 0 1223 863 384...

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