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Arcam SA30 Service Manual

Integrated amplifier
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SERVICE MANUAL
INTEGRATED AMPLIFIER
ISSUE A
SA30

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Summary of Contents for Arcam SA30

  • Page 1 SERVICE MANUAL INTEGRATED AMPLIFIER ISSUE A SA30...
  • Page 2 Revision History Issue A - Initial release EN-2...

  • Page 3: Table Of Contents

    EN-5 L298 Digital PCB Issue 3 EN-37 Electrostatic Discharge (ESD) Precautions EN-7 L305 Display PCB Issue 3 EN-48 General Information EN-8 Overall Dimensions EN-53 SA30 Specifications EN-9 Exploded Drawings EN-55 Troubleshooting EN-10 Block Diagram EN-11 Theory of Operation EN-13 EN-13...

  • Page 4: Safety Summary

    Safety Summary The following general safety precautions must be observed during all phases of operation, service, and repair of this unit. Failure to comply with these precautions or with specific warnings elsewhere in these instructions violates manufacturer safety standards and intended use of this unit. Harman Luxury Audio Group assumes no liability for failure to comply with these requirements. DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the unit in the presence of flammable gasses or fumes.

  • Page 5: Safety Guidelines

    Safety Guidelines Read these instructions. Refer all servicing to qualified service personnel. Objects have fallen, or liquid has spilled into the Warning equipment, or Keep these instructions. Servicing is required when the apparatus has been Mains plug/appliance coupler is used to disconnect damaged in any way, such as power-supply cord or The equipment has been exposed to rain, or device and it shall remain readily operable.
  • Page 6 WEEE directive requirements. Modification not expressly approved by contact with the unit. ARCAM may void your authority, granted by the FCC, to Correct disposal of this product Never disassemble or modify the unit in any way. use the product.

  • Page 7: Electrostatic Discharge (Esd) Precautions

    Electrostatic Discharge (ESD) Precautions Keep circuit boards in their original packing until ready for use. Avoid having plastic, vinyl or styrofoam in the working area. Wear an anti-static wrist strap. Discharge personal static before handling circuit boards. Remove and insert circuit boards with care When removing circuit boards, handle only by non-conductive surfaces.

  • Page 8: General Information

    SA30 delivers unparalleled performance and sound quality that’s optimized to its surroundings. The SA30 is designed with all the latest cutting-edge features - Class G is expertly implemented and, the highest resolution of audio support is presented. Simple streaming is available with a mobile device using the native app of choice via Apple AirPlay2 or Google Chromecast.

  • Page 9: Sa30 Specifications

    SA30 Specifications Continuous power output (0.5% THD), per channel Pre-amplifier output Both channels, 8Ω, 20Hz—20kHz 130W Nominal/Maximum output level 800mV / 1.25V Both channels, 4Ω, at 1kHz 200W Output impedance 240Ω Harmonic distortion, 80% power, 8Ω at 1kHz 0.002% Headphone output Analogue Inputs Maximum output level into 600Ω...

  • Page 10: Troubleshooting

    The SA30 is not in protection mode, as described below Sound cuts-out unexpectedly The SA30 may enter a protection mode if a fault is detected. The front panel LED will indicate the fault type, according to the list below FLASHING WHITE: The internal temperature of the unit reached an unsafe level.

  • Page 11: Block Diagram

    Block Diagram EN-11...
  • Page 12 PICMZ32 one probably RS232 SPI Flash Some Mb MCU control SPDIF Analogue Front panel keys Encoder Avatar control DRAWING TITLE SA30 block diagram ARCAM Filename: Block diagram.SchDoc Notes: A & R Cambridge Ltd. Stirling House ECO No. INITIALS DATE DESCRIPTION OF CHANGE...

  • Page 13: Theory Of Operation

    • ADC/SPDIF Rx/I2S Mux Line Inputs • SPDIF reciever Network Module The SA30 has 5 line level inputs (4 x RCA + 1 x 3.5mm) • DAC The network module MOD300 is responsible for all and a MM/MC phono stage.

  • Page 14: L297 Power Amplifier Pcb Issue 4

    L297 Power Amplifier PCB Issue 4 EN-14 EN-14...
  • Page 15 Part Number L297AY 23425 Part Description Issue AMP022 Amplifier PCB Assembly 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 1A000 Resistor 1206 Surface Mount 0.25W 1% 0R0 R655 R660 1A010 Resistor 1206 Surface Mount 0.25W 1% 10R R3 R624 R638 R7...
  • Page 16 Part Number L297AY 23425 Part Description Issue AMP022 Amplifier PCB Assembly 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 1L215 Resistor 0805 Surface Mount 0.1W 25ppm/C 0.1% 1K5 R129 R136 R139 R150 1L310 Resistor 0805 Surface Mount 0.1W 0.1% 10K R105 R115 R126 R127...
  • Page 17 Part Number L297AY 23425 Part Description Issue AMP022 Amplifier PCB Assembly 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 1MA047 Resistor 0805 Surface Mount Thin Film 0.125W 1% 47R R131 R141 1MA147 Resistor 0805 Surface Mount Thin Film 0.125W 1%...
  • Page 18 Part Number L297AY 23425 Part Description AMP022 Amplifier PCB Assembly Issue 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 1N110 Resistor 0603 Surface Mount 0.063W 1% 100R R4030 R4109 R5030 R5109 1N118 Resistor 0603 Surface Mount 0.063W 1% 180R - This R4079 R5079...
  • Page 19 Part Number L297AY 23425 Part Description AMP022 Amplifier PCB Assembly Issue 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 1N322 Resistor 0603 Surface Mount 0.063W 1% 22K R250 1N347 Resistor 0603 Surface Mount 0.063W 1% 47K R204 R208 R222 R226 R248 1N410...
  • Page 20 Part Number L297AY 23425 Part Description AMP022 Amplifier PCB Assembly Issue 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 2JB410 Capacitor SM 1206 X7R Ceramic 10% 100V 100N - This C322 C601 C623 C626 C627 C628 C629 C630 C631 part is RoHS compliant.
  • Page 21 Part Number L297AY 23425 Part Description AMP022 Amplifier PCB Assembly Issue 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 2LA033 Capacitor SM 0603 NPO Ceramic 5% 50V 33P C732 C734 2LA110 Capacitor SM 0603 NPO Ceramic 5% 50V 100P C1 C101 C102 C107 C108 C110 C111 C200 C205 C221...
  • Page 22 Part Number L297AY 23425 Part Description Issue AMP022 Amplifier PCB Assembly 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 2RX610 Capacitor Low Impedance Radial Electrolytic 5mm Dia C300 C301 C305 C326 C4018 C4021 C4042 C4045 5mm Pitch 10UF 50V - RoHS OK C5018 C5021 C603 C605 C606 C608 C609 C610 2RX622...
  • Page 23 Part Number L297AY 23425 Part Description AMP022 Amplifier PCB Assembly Issue 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 3AS21H Diode SM Small Signal BAS21 SOD-323 D4002 D4011 D5002 D5011 3AV70 Diode Dual Surface Mount Small Signal BAV70 SOT-23 D201...
  • Page 24 Part Number L297AY 23425 Part Description AMP022 Amplifier PCB Assembly Issue 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 4A846BD Transistor Dual NPN BC846BD SOT-363 Package RoHS TR4010 TR4012 TR4020 TR4022 TR5010 TR5012 TR5020 TR5022 4A856B Transistor BC856B SOT23 Package...
  • Page 25 Part Number L297AY 23425 Part Description AMP022 Amplifier PCB Assembly Issue 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 4K80N06B Transistor MOSFET 80A 60V TO-220 M602 M603 M605 5A2311UA IC Audio Digital Stereo Volume Control IC301 5B072D...
  • Page 26 Part Number L297AY 23425 Part Description Issue AMP022 Amplifier PCB Assembly 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 7E102D Common Mode Choke Mains 1mH 3.5A TeWay L800 L801 7F222 Ferrite Bead SM0603 220R@100MHz 2A L802 L803 L804 L805 L806...
  • Page 27 Part Number L297AY 23425 Part Description Issue AMP022 Amplifier PCB Assembly 4.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Amplifier PCB Assembly Part Number Quantity Description Issue Designators 8S013 Fuseholder 20MM PCB 10A FHLDR800 FHLDR801 FHLDR802 A1024 SW Push Mains Kings Tech 8A SPST PS4-A120-60 SW800 A1408 Switch Slide Volt Sel Chily...
  • Page 28 DRAWING TITLE 20_E001 06/01/20 PCB change only AMP022 Amp Top Level Film 19_E041 23/12/19 None to this sheet 100V Dia 4.0mm Dia 4.0mm Dia 3.2mm ARCAM FIX1 FIX2 FIX3 FIX4 FIX5 FIX13 FIX14 FIX15 Filename: L297 CT0 Top Level.SchDoc 19_E038 12/11/19...
  • Page 29 R145 P156 DRAWING TITLE 20_E001 06/01/20 PCB change only 750R AMP022 Line Inputs 19_E041 23/12/19 None to this sheet 0.10% ARCAM Filename: L297 CT1 Line Inputs.SchDoc 19_E038 12/11/19 C105/115 changed to 0805 DAC R- R150 P157 P158 1K5 0.1% Notes:...
  • Page 30 DGND DGND AMP022 Phono Input 100K R253 19_E041 23/12/19 None to this sheet AGND 0W063 C238 0W063 ARCAM Filename: L297 CT2 Phono Input + Volume.SchDoc 19_E038 12/11/19 None to this sheet Notes: 19_E028 12/06/19 LPP BoM release 220P AGND A & R Cambridge Ltd.
  • Page 31 PCB change only ERR -VE P348 TR307 AMP022 Headphone Amp & Volume R335 BC856B 19_E041 23/12/19 None to this sheet P349 P350 ARCAM Filename: L297 CT3 Headphone Amp.SchDoc 19_E038 12/11/19 None to this sheet 0W063 R336 DC OFFSET DC OFFSET P351 Notes:...
  • Page 32 PCB change only AMP022 Amp L AGND 19_E041 23/12/19 Add R4117 C4045 C4046 C4047 10UF 100N 100N ARCAM Filename: L297 CT4 L Channel.SchDoc 19_E038 12/11/19 None to this sheet Notes: 19_E028 12/06/19 LPP BoM release A & R Cambridge Ltd. 19_E016...
  • Page 33 AGND -50V FS DRAWING TITLE 20_E001 06/01/20 PCB change only AMP022 Amp R 19_E041 23/12/19 Add R5117 ARCAM Filename: L297 CT5 R Channel.SchDoc 19_E038 12/11/19 None to this sheet Notes: 19_E028 12/06/19 LPP BoM release A & R Cambridge Ltd.
  • Page 34 06/01/20 PCB change only AMP022 Lifter R661 R662 19_E041 23/12/19 None to this sheet 100K N LIFT OFF P662 0W063 ARCAM Filename: L297 CT6 Lifter.SchDoc 19_E038 12/11/19 None to this sheet R663 Notes: 19_E028 12/06/19 LPP BoM release -28V -50V A &...
  • Page 35 PCB change only 100N AMP022 MCU GND_DEC C739 0W125 19_E041 23/12/19 None to this sheet 100N DGND T2 ARCAM Filename: L297 CT7 MCU.SchDoc 19_E038 12/11/19 Pull up I2C to non standby 3.3V FIX701 Notes: 19_E028 12/06/19 LPP BoM release A & R Cambridge Ltd.
  • Page 36 0W25 DGND DRAWING TITLE 20_E001 06/01/20 PCB change only AMP022 Mains 19_E041 23/12/19 None to this sheet ARCAM Filename: L297 CT8 Mains & PSU.SchDoc 19_E038 12/11/19 Fuse holders updated, add 3.3V PSU Notes: 19_E028 12/06/19 LPP BoM release A & R Cambridge Ltd.

  • Page 37: L298 Digital Pcb Issue 3

    L298 Digital PCB Issue 3 EN-37 EN-37...
  • Page 38 Part Number L298AY 23425 Part Description Issue AMP022 Digital PCB Assembly 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Digital PCB Assembly Part Number Quantity Description Issue Designators 1A047 Resistor 1206 Surface Mount 0.25W 1% 47R R241 R242 1L224 Resistor 0805 Surface Mount 0.1W 25ppm/C 0.1% 2K4 R204 R212 R224 R235...
  • Page 39 Part Number L298AY 23425 Part Description Issue AMP022 Digital PCB Assembly 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Digital PCB Assembly Part Number Quantity Description Issue Designators 1NC068 Resistor 0402 Surface Mount 0.062W 1% 68R R102 R103 R104 1NC075 Resistor 0402 Surface Mount 0.062W 1% 75R R122 R123...
  • Page 40 Part Number L298AY 23425 Part Description Issue AMP022 Digital PCB Assembly 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Digital PCB Assembly Part Number Quantity Description Issue Designators 2FD015 Capacitor SM 0402 NPO Ceramic 5% 50V 15P C1 C10 C100 C102 C103 C104 C105 C107 C108 C109 C11 C12 C13 C14 C15 C16 C163 C164 C165 C166 C2 C21 C22 C23 C24 C25 C26 C328 C329 C331 C332 C333 C334 C337 C338 C339 C341 C342 C343 C344 C346...
  • Page 41 Part Number L298AY 23425 Part Description Issue AMP022 Digital PCB Assembly 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Digital PCB Assembly Part Number Quantity Description Issue Designators 2RX747B Capacitor Low Impedance Radial Electrolytic 10mm Dia 5mm Pitch 470UF 16V - RoHS OK 2RX810 Capacitor Low Impedance Radial Electrolytic 12.5mm C27 C40 C46...
  • Page 42 Part Number L298AY 23425 Part Description AMP022 Digital PCB Assembly Issue 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Digital PCB Assembly Part Number Quantity Description Issue Designators 5K74138 IC 3 TO 8 Line Decoder 74HC138D SMT IC104 5KLVC244APW IC Octal 3 State Buffer74LVC244A TSSOP PHILIPS IC102 IC103...
  • Page 43 Part Number L298AY 23425 Part Description AMP022 Digital PCB Assembly Issue 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Digital PCB Assembly Part Number Quantity Description Issue Designators 8K8422 Con 1.00MM Horiz SM FFC 22WAY CON2 8K8430 Con 1.00MM Horiz SM FFC 30WAY - This part is RoHS CON1 compliant.
  • Page 44 04/09/20 None to this sheet AMP022 Digital Top Level 19_E038 20/09/19 Swap ARC Tx/Rx Dia 3.2mm Dia 3.2mm Dia 4.0mm 220R@100MHz ARCAM Filename: L298 CT0 Top Level.SchDoc 19_E028 12/06/19 LPP BoM release DGND TOOL1 TOOL2 TOOL3 TOOL4 Notes: 19_E016 12/06/19...
  • Page 45 20/09/19 Remove USB output mux function C136 C121 P129 GAME OPT SPDIF P120 SAT OPT SPDIF 100N 100N R125 R120 ARCAM P131 P121 Filename: L298 CT1 ADC + SPDIF Rx.SchDoc 19_E028 12/06/19 LPP BoM release C137 C122 0W062 0W062 Notes:...
  • Page 46 None to this sheet AMP022 DAC AGND AGND AGND Q C208 19_E038 20/09/19 none to this sheet AGND AGND Analogue Supply ARCAM Filename: L298 CT2 DAC.SchDoc 19_E028 12/06/19 LPP BoM release AVCCR P235 Notes: 19_E016 12/06/19 DV release A & R Cambridge Ltd.
  • Page 47 Add SW301 for avatar programming AMP022 Avatar CON303 +3V3 ETH 600R@100MHz 3V3_AVDD AVATA_TXD L306 19_E038 20/09/19 none to this sheet P336 AVATA_RXD AVA TRST ARCAM Filename: L298 CT3 Avata Module.SchDoc 19_E028 12/06/19 LPP BoM release C379 C376 C377 C380 C378 HARWIN DGND 100N...

  • Page 48: L305 Display Pcb Issue 3

    L305 Display PCB Issue 3 EN-48 EN-48...
  • Page 49 Part Number L305AY 23425 Part Description AMP022 Front PCB Assembly Issue 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Front PCB Assembly Part Number Quantity Description Issue Designators 1A010 Resistor 1206 Surface Mount 0.25W 1% 10R R926 R927 R931 R933 R937 R938 1A122 Resistor 1206 Surface Mount 0.25W 1% 220R R913 R916...
  • Page 50 Part Number L305AY 23425 Part Description Issue AMP022 Front PCB Assembly 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Front PCB Assembly Part Number Quantity Description Issue Designators 2RX610 Capacitor Low Impedance Radial Electrolytic 5mm Dia C947 5mm Pitch 10UF 50V - RoHS OK 2RX622 Capacitor Low Impedance Radial Electrolytic 6.3mm Dia C943 C945 C946...
  • Page 51 Part Number L305AY 23425 Part Description AMP022 Front PCB Assembly Issue 3.0.0 Bill of Materials Report Type Fitted Parts Only AMP022 Front PCB Assembly Part Number Quantity Description Issue Designators A1505 Switch Tact SM SW900 SW901 SW902 SW903 SW904 SW905 SW906 SW907 SW908 B1027 VFD 16X2 BOE CIG33-1612N...
  • Page 52 C945 22UF 100N 100K R933 R934 22UF 0W125 19_E038 11/11/19 PCB change to encoder footprint only P959 C946 R935 ARCAM Filename: L305 CT1 Front Panel.SchDoc 19_E028 23/07/19 Add resistors to dim grid 0W25 0W25 22UF C947 100K DZ901 C948 R936...
  • Page 53 Overall Dimensions EN-53...
  • Page 54 A & R CAMBRIDGE LTD DATE: 1-5-2019 LINEAR TOLERANCE 0.2MM ALL DIMENSIONS IN CHECKED BY: UNLESS OTHERWISE STATED ANGULAR TOLERANCE 1 MILLIMETERS UNLESS OTHERWISE STATED UNLESS OTHERWISE STATED ORIGINAL SCALE 1:2.5 MATERIAL: FINISH: PART NUMBER AND DRAWING NUMBER SA30 DRAWING TITLE SA30 ASSEMBLY EN-54...
  • Page 55 Exploded Drawings EN-55...
  • Page 56 PART No. DESCRIPTION QTY. E876CP COVER - SA30 HA4V06B TORX SCREW M4 x 6 BLACK E548AY / E962RP REAR PANEL ASSY - SA30 FASCIA ASSEMBLY HJ4C00D M4 KNURLED BRASS NUT (SEE SHEET 2) TGP3740 SPEAKER TERMINAL - RED TGP3739 SPEAKER TERMINAL - BLACK...
  • Page 57 BADGE METAL SA30 L305AY DISPLAY PCB ASSY - SA30 See DISPLAY PCB ASSY MAINS SW PACKER PCB - SA10/20 L297AY (part) MAINS SW PCB ASSY - SA30 F348 MAINS BUTTON SPRING - SOLO UNO E898PM MAINS BUTTON - HDA E549AY...
  • Page 58 LIGHT PIPE UPDATED TO E847PM2 (was E847PM) ITEM PART No. DESCRIPTION QTY. TGP3737 CHASSIS ASSY - A29 L297AY MAIN PCB ASSY - SA30 POWER TOROID - L151CA FFC - SA30 DISPLAY E822PM1 RUBBER FOOT - ALPHA HA6C55A COACH BOLT M6 x 55...
  • Page 59 E199MC HEAT SHUNT - SA30 TGP3818 / GPE 4136-1501+0 IC CLAMP SUS301 P429 TGP3817 / GPE 4136-0551+0 IC CLAMP P429 E201MC INSULATOR - HEATSINK - SA30 L297AY (part) TEMP SENSOR PCB - SA30 23425 DRAWN BY: 13-3-2019 DATE: A & R CAMBRIDGE LTD TOLERANCES UNLESS 0.00±...
  • Page 60 WWW.ARCAM.CO.UK THE WEST WING, STIRLING HOUSE WATERBEACH, CAMBRIDGESHIRE, CB25 9PB +44 (0) 1223 203200...

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