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Diva A80 Service Manual

Power amplifier
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DiVA
A80 Amplifier
P80 Power Amplifier
All manuals and user guides at all-guides.com
Service
Manual
Issue 1.0
ARCAM
ARCAM
Bringing music & movies to
Bringing music & movies to

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Summary of Contents for Diva A80

  • Page 1 All manuals and user guides at all-guides.com DiVA Service Manual Issue 1.0 A80 Amplifier P80 Power Amplifier ARCAM ARCAM Bringing music & movies to Bringing music & movies to...
  • Page 2 L916TX – 115/230VAC toroidal o L917TX – 100VAC toroidal o L907TX – 100VAC frame Exploded view diagram o A80 Mechanical & packing parts list o A80 o P80 Circuit board silk screen o A80 o P80 Circuit board parts list o A80/P80 combined...

  • Page 3: Circuit Description

    T2.0A (20mm) FS204 (D.C inline) T2.0A (20mm) The A80 Pre-amp has inputs for Phono, Aux, CD, Tuner, AV, DVD and Tape. All inputs except Phono have a simple The standby Transformer TX200 continuously powers resistor-capacitor 340Khz low pass filter to remove any the digital circuitry (+4.8v(D)) when power is...
  • Page 4 All manuals and user guides at all-guides.com Into the power amp stages but from this point we can The transistors found at locations TR400 and configure the unit as a separate Pre amp/Power amp TR401/TR402 form the PNP Wilson mirrors and TR416 by moving the jumpers to the pin 2 and 3 of Con 304 and TR411/TR417 form the Wilson NPN current mirrors, and Con 305, and then remove the jumpers at Con...
  • Page 5 Driver bias + ZDT 6758 4AZDT758 operations. Within the A80 integrated amplifier these tasks are performed by the H8 type micro at circuit location IC602, Fig 4a. SAP NY/PY output driver information. within the P80 power amp version the tasks are performed...
  • Page 6 IC600 this will allow us to identify the channel If you want to turn the A80 into a separate Pre-Power amp that is “flagging the fault”. (make the Line out become a Pre-amp out and make the...
  • Page 7 All manuals and user guides at all-guides.com Fig 9. Major components pin identification. 74HC14 ZDT 758/ZDT 6758 1=Collector 1 2=Collector 1 3=Collector 2 4=Collector 2 5=Emitter 2 6=Base 2 7=Emitter 1 8=Base 1 TLO 72 FMMT 497/597 NJM2114 BC849/BC859 1=Base 2=Emitter 3=Collector DG408DY...

  • Page 8: Technical Specifications

    All manuals and user guides at all-guides.com Technical Specifications. Continuous Power output Both channels driven 8 ohms 20 Hz – 20 kHz = 65 Watts Single Channel driven 4 ohms 20 Hz – 20 kHz = 80 Watts Distortion 8 ohms at 80% power output 1Khz = 0.008% Input stage specifications.
  • Page 9 FD101 G P PRECISION ANNOTATI R100 GENERAL NOTES +45V_L Power Amp Left This is the Master Schematic for A80 (L943AY) and P80 (L944AY) PCB L943C4_5.1.SCH +45V_L RLY100A assemblies. Any changes to the schematics in this document must be FIX100 FIX101...
  • Page 10 -15V(A) TO-220 HS202A DRAWING TITLE 03_E264 09 Sept 03 Remove EMC can from around IEC inlet. 6043PB A80/P80 Power Supplies 23C/W 03_E230 04 Aug 03 None to this sheet. Display snapoff fixing holes reduced to 3.2mm D211 BAS16 23425 Filename: L943C2_5.1.SCH...
  • Page 11 09 Sept 03 None to this sheet. Remove EMC can from around IEC inlet. * - Default jumper setting on pins 2 & 3; fit jumper A80/P80 - Power Amp Left 03_E230 04 Aug 03 None to this sheet. Display snapoff fixing holes reduced to 3.2mm on pins 1 &...
  • Page 12 09 Sept 03 None to this sheet. Remove EMC can from around IEC inlet. * - Default jumper setting on pins 2 & 3; fit jumper A80/P80 - Power Amp Right 03_E230 04 Aug 03 None to this sheet. Display snapoff fixing holes reduced to 3.2mm on pins 1 &...
  • Page 13 All manuals and user guides at all-guides.com ANNOTATION A80 ITEMS COMMON ITEMS P80 ITEMS +4.8V(D)_DISP (Fitted on A80 only) (Fitted on both A80 & P80) (Fitted on P80 only) TO MAIN PCB - SHEET6 R802 R803 C802 NOTE: 100N CON800...
  • Page 14 DRAWING TITLE 03_E264 09 Sept 03 None to this sheet. Remove EMC can from around IEC inlet. A80/P80 Trig, RC5 & P80 Sig Det 03_E230 04 Aug 03 None to this sheet. Display snapoff fixing holes reduced to 3.2mm 23425 Filename: L943C7_5.1.SCH...
  • Page 15 ITEM600 8K004 Con Jumper Socket 0.1IN Gold Blue Fit on CON601 after programming; NF ON P80 IC603-1 8S028N IC Skt 28PIN 0.3IN Socket for IC603; NF on A80 OUTPUT_L NF ON A80 +45V_R ANNOTATI DC OFFSET DETECTION 0.38Hz OSCILLATOR OUTPUT_R...
  • Page 16 1/2 pad placed on top of C386, C387, C388 & C389 (NF on P80) C334 +15V(A) 100V FIT ON P80 ANNOTA D302 0805 A80 Line Out / A80 PreAmp Out / R318 TAPE OUTPUT SELECT TAPE OUTPUT C322 100K P80 Pre Out Loop...
  • Page 17 Load Off-Load Current 100mA Trough Voltage 6800uF Max Off-Load Peak Voltage 0V (Black + White) -Vout DRAWING TITLE DiVA A80 Power Transformer Filename: L916TX_1.0.Sch Notes: A & R Cambridge Ltd. 03_E059 21 Feb 03 Production Issue Pembroke Avenue ECO No.
  • Page 18 Load Off-Load Current 100mA Trough Voltage 6800uF Max Off-Load Peak Voltage 0V (Black + White) -Vout DRAWING TITLE 100V DiVA A80 Power Transformer Filename: L917TX_1.0.Sch Notes: A & R Cambridge Ltd. 03_E118 17 April 03 PRODUCTION RELEASE Pembroke Avenue ECO No.
  • Page 19 All manuals and user guides at all-guides.com...
  • Page 20 All manuals and user guides at all-guides.com AROUND PRIMARIES INTO SUB-PANEL INTO CONNECTOR ON PCB x3 ONTO LED'S...
  • Page 21 5 Way Amp CT 100MM L916TX 115/230 VAC Toroid transformer L917TX 100 VAC only Toroid transformer L943AY A80 Main cct board & Display cct board PCB Assembly BLACK CASE PARTS E845CPB Cover Black DiVA A80/P80 HA4V06B M Screw Torx M4x6MM ST BLK...
  • Page 22 All manuals and user guides at all-guides.com P80 Mechanical and packing parts list Part No Description GENERAL MECHANICAL PARTS E917HK Heatsink Diva A80 Amp - Using E908EX, A85 E139AY A80 Chassis Assembly E879PM Foot Black Diva HA3V06A M Screw Torx P/H M3x6MM ST ZP...
  • Page 23 All manuals and user guides at all-guides.com...
  • Page 24 All manuals and user guides at all-guides.com...
  • Page 25 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description C101 2J410 Capacitor SM 0805 X7R Ceramic 10% 50V 100N C200 2K233 Capacitor X1 Y2 Rated Ceramic 7.5mm Pitch 3N3 250V...
  • Page 26 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description C330 2DA147 Capacitor Boxed Polypropylene 5mm Pitch 100V 5% 470P C331 2DA147 Capacitor Boxed Polypropylene 5mm Pitch 100V 5% 470P...
  • Page 27 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description C401 2L047 Capacitor SM 0805 NPO Ceramic 5% 100V 47P C402 2L110 Capacitor SM 0805 NPO Ceramic 5% 100V 100P...
  • Page 28 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description C608 2J410 Capacitor SM 0805 X7R Ceramic 10% 50V 100N C609 2J410 Capacitor SM 0805 X7R Ceramic 10% 50V 100N...
  • Page 29 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description C817 2J410 Capacitor SM 0805 X7R Ceramic 10% 50V 100N C818 2J410 Capacitor SM 0805 X7R Ceramic 10% 50V 100N...
  • Page 30 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description D215 3AS16W Diode Surface Mount Small Signal BAS16W SOT-23 Package D300 3AV99W Diode Dual Surface Mount Small Signal BAV99 SOT-23 Package...
  • Page 31 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description DZ401 3CW322V Zener Diode 0.25W Surface Mount BZX84C22V SOT-23 Package DZ402 3CW33V9 Zener Diode 0.25W Surface Mount BZX84C3V9 SOT-23 Package...
  • Page 32 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description ITEM104-2 F232 13/16 inch O-Ring ITEM104-3 F232 13/16 inch O-Ring ITEM104-4 F232 13/16 inch O-Ring...
  • Page 33 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description R221 1M000 Resistor 0805 Surface Mount 0.125W 1% 0R0 R300 1M210 Resistor 0805 Surface Mount 0.125W 1% 1K0...
  • Page 34 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description R360 1M322 Resistor 0805 Surface Mount 0.125W 1% 22K R361 1M322 Resistor 0805 Surface Mount 0.125W 1% 22K...
  • Page 35 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description R421 1M447 Resistor 0805 Surface Mount 0.125W 1% 470K R422 1M110 Resistor 0805 Surface Mount 0.125W 1% 100R...
  • Page 36 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description R522 1M110 Resistor 0805 Surface Mount 0.125W 1% 100R R523 1H122 Resistor Metal Film 0.25W 1% 220R...
  • Page 37 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description R623 1M310 Resistor 0805 Surface Mount 0.125W 1% 10K R624 1M310 Resistor 0805 Surface Mount 0.125W 1% 10K...
  • Page 38 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description R719 1M210 Resistor 0805 Surface Mount 0.125W 1% 1K0 R720 1M210 Resistor 0805 Surface Mount 0.125W 1% 1K0...
  • Page 39 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description R846 1M347 Resistor 0805 Surface Mount 0.125W 1% 47K R847 1M347 Resistor 0805 Surface Mount 0.125W 1% 47K...
  • Page 40 All manuals and user guides at all-guides.com A80 Amplifier main/display cct board L943AY issue 5.1 P80 Amplifier main/display cct board L944AY issue 5.1 Designator Part Description TR407 4AFMMT497 Transistor FMMT497 SOT23 Package TR408 4AFMMT497 Transistor FMMT497 SOT23 Package TR409 4AFMMT497 Transistor FMMT497 SOT23 Package...
  • Page 41 All manuals and user guides at all-guides.com 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...

This manual is also suitable for:

P80