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DiVA

Service
Manual

A80 Amplifier
P80 Power Amplifier

Issue 1.0

ARCAM

ARCAM

Bringing music & movies to life

Bringing music & movies to life

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Summary of Contents for DiVA A80

Page 1: ...DiVA Service Manual A80 Amplifier P80 Power Amplifier Issue 1 0 ARCAM ARCAM Bringing music movies to life Bringing music movies to life ...

Page 2: ...s Circuit diagrams o L943AY Transformers o 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: ...cathode bias voltage via R211 Con205 delivers the 3 3 V A C supply to the main board and then onto the display VFD via R203 2R2 f u Fig 2 Supply identification and related components Supply Related components 45v L Left power amp positive rail 45v R Right power amp positive rail 45v L Left power amp negative rail 45v R Right power amp negative rail 38v VFD Display cathode rail derived from 45v R 1...

Page 4: ...d pulling the output voltage back to zero R420 and C442 set the time constant of the integrator so that audio frequencies are ignored The transistors found at locations TR400 and TR401 TR402 form the PNP Wilson mirrors and TR416 and TR411 TR417 form the Wilson NPN current mirrors emitter degeneration is provided by R405 R406 and R407 R408 R415 and R416 decouple the current mirror stages from the m...

Page 5: ...n IC602 within the P80 power amp version the tasks are performed by the PIC micro at location IC603 the protection lines are daisy chained to both micros regardless of witch one is fitted To operate both micros require a constant stable supply voltage this is derived from the 4 8v D rail from transformer TX200 and via regulator REG201 this supply should be constant at anytime mains appears at the ...

Page 6: ...nverter and Q goes LOW the circuit output then goes high switching the Amplifier on If the Amplifier does not see audio on it s Power amp inputs for either 12 or 45 minutes this can be user configured by moving the jumper at position CON702 the Amplifier will auto switch into standby Jumper settings If you want to turn the A80 into a separate Pre Power amp make the Line out become a Pre amp out an...

Page 7: ...74HC00D 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 FMMT 497 597 BC849 BC859 1 Base 2 Emitter 3 Collector BAV99 Diode package 1 Anode 2 Cathode 3 Common connection LM431 Adjustable Zener shunt regulator ...

Page 8: ...Hz 20 kHz 80 Watts Distortion 8 ohms at 80 power output 1Khz 0 008 Input stage specifications RIAA input stage sensitivity M M 2 5 mV Line input sensitivity 630 mV Default Input impedance 22k ohms Signal to noise ratio CCIR weighted 2 volt input 105dB Pre amp output specifications Nominal output level 610 mV Output impedance 3 ohms ...

Page 9: ... A TAPE_2 0V SIG 0V_D_PRE 0V_SER 0V_PREOUT TAPE_1 TAPE_0 4 8V_D_PRE PRE_RLY VOL_ CS 0V SIG_2 A80 PreAmp L943C3_5 1 SCH 0V D 4 8V D 45V_L C101 100N 50V 0805 0V D PRE_MUTE 0V D FIX100 Dia 3 5mm 1 FIX101 Dia 3 5mm FIX102 Dia 3 5mm FIX103 Dia 3 5mm Q121 Q125 ITEM101 1 Tape D Sided 12MM X 70MM DS Polyester 4965 F205 Placed between VFD and PCB NF ON P80 R104 330R 1W CF R105 330R 1W CF R107 100R 1W CF R1...

Page 10: ... 1B 2A 2 2B 115V 230V SW200 18 000 0019 NF ON P80 R214 2K2 0W125 0805 R213 2K2 0W125 0805 R210 100R 0W125 0805 R209 100R 0W125 0805 R207 100R 0W125 0805 R208 100R 0W125 0805 BLUE BLACK ORANGE GREEN BLACK GREY BLUE GREEN YELLOW Interwinding Screen 115V ac 115V ac 16Vac 16Vac ORANGE BLUE ORANGE WHITE L916TX CHASSIS MOUNTED 3 2Vac WHITE WHITE TR202 FMMT497 SOT 23 R216 2K2 0W125 0805 R206 10R 0W125 08...

Page 11: ...9B SOT 23 TR401 BC859B SOT 23 SHEET 3 R406 47R 0W125 0805 R407 47R 0W125 0805 R405 47R 0W125 0805 R408 47R 0W125 0805 R416 220R 0W25 MF R415 220R 0W25 MF R445 22R 0W25 MF R446 22R 0W25 MF R432 22R 0W125 0805 R435 22R 0W125 0805 R452 1K0 1W CF R453 1K0 1W CF D404 BAS16 SOT 323 D400 BAS16 SOT 323 C408 22UF 63V YK C409 22UF 63V YK 0V_HF_L 0V_HF_L C403 100P 100V 0805 RV400 220R LIN DZ406 BZX84C 3V9 SO...

Page 12: ...9B SOT 23 TR501 BC859B SOT 23 SHEET 3 R506 47R 0W125 0805 R507 47R 0W125 0805 R505 47R 0W125 0805 R508 47R 0W125 0805 R516 220R 0W25 MF R515 220R 0W25 MF R545 22R 0W25 MF R546 22R 0W25 MF R532 22R 0W125 0805 R535 22R 0W125 0805 R552 1K0 1W CF R553 1K0 1W CF D504 BAS16 SOT 323 D500 BAS16 SOT 323 C508 22UF 63V YK C509 22UF 63V YK 0V_HF_R 0V_HF_R C503 100P 100V 0805 RV500 220R LIN DZ506 BZX84C 3V9 SO...

Page 13: ... D FIL1 0V D VFD_SDO SP1_SW DISP PHASE_A SP2_LED DISP R820 0R0 0W125 0805 R818 0R0 0W125 0805 VFD_SDO SP1_SW DISP PHASE_B SP2_SW DISP PHASE_B SP2_SW DISP PHASE_A SP2_LED DISP R830 330R 0W125 0805 R828 330R 0W125 0805 R827 330R 0W125 0805 POWER ON RESET Q803 Q804 Q805 Q806 Q807 Q808 Q809 Q810 Q811 Q812 Q813 Q814 Q815 Q816 Q817 Q818 Q819 F 1 Pm 4 Pn 5 Pj 6 Pe 7 Pg 8 Pf 9 Pl 10 PAp 11 G10 12 G9 13 G8...

Page 14: ... DELAYED OFF 0 38Hz_CLK 0V D 4 8V D 45V_L 4 8V D 0V D 45V_L 0V_CHASS 0V_CHASS REMOTE_P TRIG_IN C709 100N 50V 0805 VCC 16 GND 8 IC701B 74HCT4040D SO 16 C708 100N 50V 0805 0V D 0V D 0V D 4 8V D _2 Q713 NF ON A80 Jumper Not Fitted 2mVrms Q724 Q715 Q709 Power On Reset RESET C711 100P 100V 0805 C712 100P 100V 0805 R735 47R 0W125 0805 ITEM700 3 Con Jumper Socket 0 1IN Gold Blue 8K004 R725 22K 0W125 0805...

Page 15: ...SDATA SP1_LED To Top Sheet A80 MICRO P80 MICRO NMI R653 330R 0W125 0805 C625 1N0 100V 0805 C606 100N 50V 0805 R622 10K 0W125 0805 0V D R608 0R0 0W125 0805 NF ON A80 0V D 38V_VFD R605 0R0 0W125 0805 NF ON A80 0V D R603 0R0 0W125 0805 NF ON A80 0V D R661 330R 0W125 0805 R660 330R 0W125 0805 Fit jumper for normal operation Fit jumper to re program R606 0R0 0W125 0805 NF ON A80 R654 330R 0W125 0805 C6...

Page 16: ... PRE_OUT_L PRE_OUT_R PRE_MUTE_PRE SCRN REAR PANEL VIEW SKT304 KUNMING GOLD D305 BAV99 SOT 23 D306 BAV99 SOT 23 0V SIG 15V A 0V SIG 15V A 15V A TAPE OUTPUT D303 BAV99 SOT 23 D304 BAV99 SOT 23 TOP_L TOP_R 6 5 7 IC304B TL072CD SO 8 2 3 1 8 4 IC304A TL072CD SO 8 15V A C340 100N 50V 0805 C341 100N 50V 0805 15V A 0V SIG 15V A 15V A 15V A 0V SIG P80 PowerAmp In P80 Pre Out Loop TAPE OUTPUT SELECT TOP_L T...

Page 17: ...tage to comply to test specifications given see Test Circuit and Test Specifications at right 8 Windings to be evenly spaced with minmal gaps magnetic radiation should be minimised 9 Max core flux density 1 5T at nominal rating referred to M4 core material see 14 below 10 Core must not saturate at 20 over nominal primary voltage 11 Temperature rise to be less than 60 C at 30 duty cycle referred to...

Page 18: ...ions given see Test Circuit and Test Specifications at right 8 Windings to be evenly spaced with minmal gaps magnetic radiation should be minimised 9 Max core flux density 1 5T at nominal rating referred to M4 core material see 14 below 10 Core must not saturate at 20 over nominal primary voltage 11 Temperature rise to be less than 60 C at 30 duty cycle referred to 100V input voltage and On Load c...

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Page 20: ...14 15 16 17 37 18 19 20 21 22 22 23 24 25 26 27 27 27 27 27 28 29 29 30 31 32 32 32 33 34 35 36 I II III IV III IV I I x3 x4 x3 x2 x2 AROUND PRIMARIES x7 x8 x5 x2 x4 x4 x9 x10 x3 ONTO LED S INTO SUB PANEL x2 INTO CONNECTOR ON PCB x2 ...

Page 21: ...ble Flat Flex 22WAY 300MM L933CA 36 5 Way Amp CT 100MM L916TX 37 115 230 VAC Toroid transformer L917TX 37 100 VAC only Toroid transformer L943AY A80 Main cct board Display cct board PCB Assembly BLACK CASE PARTS E845CPB 2 Cover Black DiVA A80 P80 HA4V06B 3 M Screw Torx M4x6MM ST BLK E189AYB 1 DiVA Black A80 Fascia Complete Assembly Made up of the following parts E820AP Pad Adhesive Diva DT81 Displ...

Page 22: ...ansformer L944AY P80 Main cct board Display cct board PCB Assembly BLACK CASE PARTS E845CPB Cover Black DiVA A80 P80 HA4V06B M Screw Torx M4x6MM ST BLK E122AYB DiVA Black P80 Fascia Complete Assembly Made up of the following parts E192AYB Front Panel Assembly Black Diva P80 E855MC Diva Black End Cap Low E876PM Lightpipe Single Diva E871PM Lightpipe Power Diva E878PM Lightpipe Power Surround Diva E...

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Page 25: ...mm 1000UF 10V C228 2N833C Capacitor Radial Electrolytic Dia 22mm Claw Mount 3 300UF 63V C229 2N833C Capacitor Radial Electrolytic Dia 22mm Claw Mount 3 300UF 63V C230 2N833C Capacitor Radial Electrolytic Dia 22mm Claw Mount 3 300UF 63V C231 2N833C Capacitor Radial Electrolytic Dia 22mm Claw Mount 3 300UF 63V C300 2JA310 Capacitor SM 0805 X7R Ceramic 10 100V 10N C301 2JA310 Capacitor SM 0805 X7R Ce...

Page 26: ...V 5 4N7 C360 2DA247 Capacitor Boxed Polypropylene 5mm Pitch 100V 5 4N7 C361 2DA210 Capacitor Boxed Polypropylene 5mm Pitch 100V 5 1N0 C362 2DA210 Capacitor Boxed Polypropylene 5mm Pitch 100V 5 1N0 C363 2DA133 Capacitor Boxed Polypropylene 5mm Pitch 100V 5 330P C364 2DA133 Capacitor Boxed Polypropylene 5mm Pitch 100V 5 330P C365 2N722 Capacitor Radial Electrolytic Dia 6 3mm Pitch 5mm 220UF 16V C366...

Page 27: ...tor SM 0805 NPO Ceramic 5 100V 47P C502 2L110 Capacitor SM 0805 NPO Ceramic 5 100V 100P C503 2L110 Capacitor SM 0805 NPO Ceramic 5 100V 100P C504 2JA310 Capacitor SM 0805 X7R Ceramic 10 100V 10N C505 2JA310 Capacitor SM 0805 X7R Ceramic 10 100V 10N C506 2JA310 Capacitor SM 0805 X7R Ceramic 10 100V 10N C507 2JA310 Capacitor SM 0805 X7R Ceramic 10 100V 10N C508 2N622 Capacitor Radial Electrolytic Di...

Page 28: ...410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C703 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C704 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C705 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C706 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C708 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C709 2J410 Capacitor SM 0805 X7R Ceramic 10 50V 100N C710 2L110 Capacitor SM 0805 NPO Cer...

Page 29: ...202 8Q003 Con Cage Clamp 1WAY CON203 8Q003 Con Cage Clamp 1WAY CON204 8Q007 Con Cage Clamp 4WAY CON205 8Q008 Con Cage Clamp 2WAY CON300 8K6201 Con Single ROW Hdr 0 1IN Vertical 2WAY CON301 8K6201 Con Single ROW Hdr 0 1IN Vertical 2WAY CON302 8K6201 Con Single ROW Hdr 0 1IN Vertical 2WAY CON303 8K6201 Con Single ROW Hdr 0 1IN Vertical 2WAY CON304 8K2103 Con Single ROW Hdr 0 1IN Vertical 3WAY CON305...

Page 30: ...BAS16W SOT 23 Package D404 3AS16W Diode Surface Mount Small Signal BAS16W SOT 23 Package D405 3B4003 Diode 1N4003 DO 41 Package D406 3B4003 Diode 1N4003 DO 41 Package D407 3B4003 Diode 1N4003 DO 41 Package D408 3B4003 Diode 1N4003 DO 41 Package D409 3AV99W Diode Dual Surface Mount Small Signal BAV99 SOT 23 Package D500 3AS16W Diode Surface Mount Small Signal BAS16W SOT 23 Package D501 3AS16W Diode...

Page 31: ...1 3CW35V6 Zener Diode 0 25W Surface Mount BZX84C5V6 SOT 23 Package FHLDR200 8S004 Fuseholder 20MM PCB FHLDR201 8S004 Fuseholder 20MM PCB FS200 201 C56225 115 230 vac units T2 5A fuse FS200 201 C54232 100 vac fuse T3 15A fuse FS202 C3501 Fuse Littelfuse T500mA SM FS203 C3202 Fuse Littelfuse T2A SM FS204 C3202 Fuse Littelfuse T2A SM HS200 F007 Heatsink TO 220 6043PB 23 Degc W Clip ON HS201 F008 Heat...

Page 32: ...0LT LS100 8D420G Connector 4mm 4 Way Vertical LS101 8D420G Connector 4mm 4 Way Vertical R100 1C856 Resistor Carbon Film 2W 5 5R6 R101 1C856 Resistor Carbon Film 2W 5 5R6 R102 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R103 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R104 1E133 Resistor Carbon Film 1W 5 330R R105 1E133 Resistor Carbon Film 1W 5 330R R106 1E110 Resistor Carbon Film 1W 5 100R ...

Page 33: ...istor 0805 Surface Mount 0 125W 1 100K R327 1M410 Resistor 0805 Surface Mount 0 125W 1 100K R328 1M410 Resistor 0805 Surface Mount 0 125W 1 100K R329 1M410 Resistor 0805 Surface Mount 0 125W 1 100K R330 1M510 Resistor 0805 Surface Mount 0 125W 1 1M0 R331 1M510 Resistor 0805 Surface Mount 0 125W 1 1M0 R332 1M047 Resistor 0805 Surface Mount 0 125W 1 47R R333 1M047 Resistor 0805 Surface Mount 0 125W ...

Page 34: ...1M233 Resistor 0805 Surface Mount 0 125W 1 3K3 R388 1M233 Resistor 0805 Surface Mount 0 125W 1 3K3 R389 1M233 Resistor 0805 Surface Mount 0 125W 1 3K3 R390 1M233 Resistor 0805 Surface Mount 0 125W 1 3K3 R391 1M233 Resistor 0805 Surface Mount 0 125W 1 3K3 R392 1M233 Resistor 0805 Surface Mount 0 125W 1 3K3 R393 1M233 Resistor 0805 Surface Mount 0 125W 1 3K3 R394 1M247 Resistor 0805 Surface Mount 0 ...

Page 35: ...0 25W 1 820R R448 1H182 Resistor Metal Film 0 25W 1 820R R449 1H182 Resistor Metal Film 0 25W 1 820R R450 1H182 Resistor Metal Film 0 25W 1 820R R451 1H318 Resistor Metal Film 0 25W 1 18K R452 1E210 Resistor Carbon Film 1W 5 1K0 R453 1E210 Resistor Carbon Film 1W 5 1K0 R454 1M410 Resistor 0805 Surface Mount 0 125W 1 100K R456 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R457 1M133 Resistor 0805...

Page 36: ...9 1H182 Resistor Metal Film 0 25W 1 820R R550 1H182 Resistor Metal Film 0 25W 1 820R R551 1H318 Resistor Metal Film 0 25W 1 18K R552 1E210 Resistor Carbon Film 1W 5 1K0 R553 1E210 Resistor Carbon Film 1W 5 1K0 R554 1M410 Resistor 0805 Surface Mount 0 125W 1 100K R556 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R557 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R558 1H318 Resistor Metal Film ...

Page 37: ...0805 Surface Mount 0 125W 1 22K R651 1M322 Resistor 0805 Surface Mount 0 125W 1 22K R652 1M333 Resistor 0805 Surface Mount 0 125W 1 33K R653 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R654 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R655 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R656 1M133 Resistor 0805 Surface Mount 0 125W 1 330R R657 1M133 Resistor 0805 Surface Mount 0 125W 1 330R...

Page 38: ...M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R813 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R814 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R815 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R816 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R817 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R818 1M000 Resistor 0805 Surface Mount 0 125W 1 0R0 R819 1M000 Resistor 0805 Surface Mount 0 1...

Page 39: ...R Lin RX800 B2107 IR Receiver Module Kodenshi PIC 37043TM2 SH200 E5402 Shield EMC IEC Inlet Mains SKT100 8D301 Con Jack 6mm Stereo SKT200 8A001 Mains IEC Inlet 3PIN PCB Ins SKT300 8D225 Phono Skt 4 WAY Gold SKT301 8D225 Phono Skt 4 WAY Gold SKT302 8D225 Phono Skt 4 WAY Gold SKT303 8D225 Phono Skt 4 WAY Gold SKT304 8D225 Phono Skt 4 WAY Gold SKT700 8D302 Con Jack 3 5mm Dual Mono SW200 A1404 Switch ...

Page 40: ...AFMMT497 Transistor FMMT497 SOT23 Package TR511 4AFMMT497 Transistor FMMT497 SOT23 Package TR512 4AZDT6758 Transistor Npn Pnp ZDT6758 SM8 Package TR513 4CSAP15N Transistor SAP15NY TR514 4AZDT758 Transistor Dual PNP ZDT758 SM8 Package TR515 4CSAP15P Transistor SAP15PY TR516 4A849B Transistor BC849B SOT23 Package TR517 4A849B Transistor BC849B SOT23 Package TR600 4A849B Transistor BC849B SOT23 Packa...

Page 41: ...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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