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Cambridge Audio Azur 840A v2 Amplifier

Left P

ower Amp Circuit Board - Circuit

out

© COPYRIGHT

Audio Partnership PLC

Gallery Co

urt

Hankey Place

LO

ND

O

N

  SE1 4BB

Q5

2SA970GR

PNP Lo

w No

ise

Q6

2SA970GR

PNP Lo

w No

ise

Q9

2SC2240GR

NPN Lo

w No

ise

R2

150R

1/8W Metal Film

R3

150R

1/8W Metal Film

R4

100R

1/8W Metal Film

R5

100R

1/8W Metal Film

R6

470R

1/8W Metal Film

R7

470R

1/8W Metal Film

R9

470R

1/8W Metal Film

R10

1/8W Metal Film

1k

8

R11

470R

1/8W Metal Film

R12

18R

1/8W Metal Film

R13

10k

1/8W Metal Film

R14

1/8W Metal Film

22k

R15

22k

1/8W Metal Film

R16

130k

1/8W Metal Film

R21

0.1R

3W WireWo

und

R22

0.1R

3W WireWo

und

R27

1/8W Metal Film

10k

R28

2W Carbon Film

15R

R29

4.7R

2W Carbon

C2

100nF 250V

Met Polyester

Q15

2SA1295Y

PNP Po

wer

Q16

2SA1295Y

PNP Po

wer

Q13

2SC3264Y

NPN Po

wer

Q14

2SC3264Y

NPN Po

wer

Q17

2SA1295Y

PNP Po

wer

R30

470R

1/4W Metal Film

R31

1.5R

3W WireWo

und

Q20

MPSA92

PNP Signal

R33

1/8W Metal Film

820R

R34

820R

1/8W Metal Film

R52

1/8W Metal Film

2k

4

R53

1/8W Metal Film

2k

4

R54

20k

1/4W Metal Film

R55

20k

1/4W Metal Film

R56

1k

1/8W Metal Film

R57

47k

1/8W Metal Film

R58

1/8W Metal Film

470R

R59

1/8W Metal Film

470R

R60

1/8W Metal Film

1k

1

R61

1/8W Metal Film

1k

1

R62

1/8W Metal Film

150R

R63

1/8W Metal Film

1k

R64

10k

1/4W Metal Film

R65

47k

1/8W Metal Film

R66

1/8W Metal Film

10k

C4

220uF 80V

Electrolytic

C5

220uF 80V

Electrolytic

C10

1nF 63V

Po

lypro

pylene

L1

1.7uH 10A

Outp

ut

 Ind

u

c

to

r

W5

Left Ch Out

W6

Left Ch Gnd

D7

1N5404

Rectifier

D9

1N5404

Rectifier

R78

68k

1/8W Metal Film

R79

68k

1/8W Metal Film

D17

1N4148

Signal D

iod

e

D18

1N4148

Signal D

iod

e

R80

1/8W Metal Film

1k

R81

22k

1/8W Metal Film

+RAIL

-RAIL.

DC OF

FSET NULL

1

2

CN3

Straight Header

2 Way

R82

1/8W Metal Film

47k

W7

Left Ch Gnd

Left Out

Left Out

XD On/Off

+RAIL

R38

470R

1/8W Metal Film

C6

220uF 16V

NP Electrolytic

R39

200R

1/8W Metal Film

C20

NP Electrolytic

47uF 16V

C1

100uF 16V

NP Electrolytic

R40

220R

1/8W Metal Film

C11

2.2nF 63V

Po

lypro

p

ylene

C14

Po

lypro

p

ylene

1uF 100V

C15

100nF 100V

Po

lypro

pylene

C9

100uF 16V

NP Electrolytic

C16

100nF 100V

Po

lypro

pylene

-RAIL

Q26

MPSA42

NPN Signal

Q19

MPSA42

NPN Signal

C17

no

 fit

Po

lypro

pylene

Q11

MPSA92

PNP Signal

C18

Electrolytic

100uF 63V

C19

100uF 63V

Electrolytic

C21

Met. Polyester

47nF 63V

C22

47nF 63V

Met. Polyester

C23

10pF 50V

NP0 Ceramic

R49

1/8W Metal Film

2k

2

R50

18R

1/8W Metal Film

R51

1k

1/8W Metal Film

C24

100uF 16V

Electrolytic

R68

1/8W Metal Film

2k

2

C25

100uF 16V

Electrolytic

Q25

2SA970GR

PNP Lo

w No

ise

C26

No Fit

C27

No Fit

R69

220k

1/8W Metal Film

R70

27k

1/8W Metal Film

Q30

MPSA92

PNP Signal

R67

100R

1/8W Metal Film

R71

2k

2

1/8W Metal Film

C7

Electrolytic

100uF 63V

R72

100R

1/8W Metal Film

R73

2k

2

1/8W Metal Film

C8

Electrolytic

100uF 63V

Q31

2SC2240GR

NPN Lo

w No

ise

+RAIL2

-RAIL2

2

CW

3

CCW

1

PR1

Multiturn

470R

2

CW

3

CCW

1

PR2

Multiturn

1k

Q28

2SA970GR

PNP Lo

w No

ise

Q29

2SA970GR

PNP Lo

w No

ise

R74

910R

1/8W Metal Film

C28

NP Electrolytic

10uF 25V

R75

1k

1/8W Metal Film

Q32

MPSA92

PNP Signal

+Re

-R

e

Left Out

+Re

-R

e

+RAIL

-RAIL

+D

rive pro

tect

-Drive protect

-D

rive protect

+D

rive pro

tect

Q33

2SC2911S

NPN Pre D

river

Q10

2SC2911S

NPN Pre D

river

Q4

2SA1209S

PNP Pre D

river

Q8

2SC2240GR

NPN Lo

w No

ise

Q7

2SC2240GR

NPN Lo

w No

ise

D10

Rectifier

1N4004

Q27

2SA970GR

PNP Lo

w No

ise

Q3

2SA970GR

PNP Lo

w No

ise

R76

1/8W Metal Film

220k

S1

Screw Terminal

C29

1nF 50V

Ceramic

R87

47R

1/8W Metal Film

R17

18R

1/8W Metal Film

Q34

2SC2911S

NPN Pre D

river

R23

150R

1/8W Metal Film

R83

1k

1/8W Metal Film

Q35

MPSA42

NPN Signal

R84

100k

1/8W Metal Film

+RAIL

R88

100k

1/8W Metal Film

R89

100k

1/8W Metal Film

Q1

2SC2911S

NPN Pre D

river

Q12

2SC2911S

NPN Pre D

river

Q2

2SA1209S

PNP Pre D

river

Q18

2SC2911S

NPN Pre D

river

1

2

CN2

2 Way

Straight Header

R1

180R

1/8W Metal Film

C37

10nF 63V

Po

lypro

pylene

R18

1/8W Metal Film

680R

R19

680R

1/8W Metal Film

R20

100R

1/8W Metal Film

R24

100R

1/8W Metal Film

LK1

Tinned Link Wire

24AWG

34

Содержание AZUR 840A V2

Страница 1: ...2 7 20 kOhm Tape Input 20 kOhm THD unweighted 0 001 1 kHz at 80 of rated power 0 01 20 Hz 20 kHz at 80 of rated power Frequency Response 10 Hz 50 kHz 1 dB Signal to Noise Ratio 93 dB Power amp damping...

Страница 2: ...er 14 Front Panel Circuit Board 15 Front Panel Circuit Board Bill of Material 16 Balanced Input Circuitry 17 Input Circuit Board Input Buffers 18 Input Circuit Board Input Gain 19 Input Circuit Board...

Страница 3: ...ht Power Amp Circuit Board Power Supply 39 Right Power Amp Circuit Board Left Channel Amp 40 Right Power Amp Circuit Board Protection Circuitry 41 Right Power Amp Circuit Board 42 Right Power Amp Circ...

Страница 4: ...ds from the supplied Azur remote control A clear unobstructed line of sight between the remote control and the sensor is required Input select buttons Push the appropriate input selection button to se...

Страница 5: ...formation on connections and set ups Input 1 Balanced Audio Input 1 features either unbalanced phono RCA or balanced XLR connections Either type may be used but not both at the same time The balanced...

Страница 6: ...skip forward by one track on the CD Press and hold to skip forwards through tracks Left Skip Press once to skip backward by one track on the CD Press and hold to skip backwards through tracks Search...

Страница 7: ...terations or additions will void the manufacturer s warranty furthermore the manufacturer cannot accept responsibility for personal injury or property damage resulting therefrom 6 When servicing care...

Страница 8: ...Cambridge Audio Azur 840A v2 Amplifier Exploded Diagram 8...

Страница 9: ...T TYPE without display 7 PY1393 4006 000040E000 840E LCD DISPLAY MODULE MBCF00004B SERIES DFSTN 8 PY1410 9484 015003E091 Azur 840A V2 LEFT POWER AMP PCBA REV A 9 PY1406 9484 015002E091 Azur 840A V2 R...

Страница 10: ...ankey Place LONDON SE1 4BB W4 Blue White C1 10nF 300V X1 Mains Rated Safety Critical C2 10nF 300V X1 Mains Rated Safety Critical C3 470nF 275V Met Polypropylene X2 Safety Critical W3 Blue White L N E...

Страница 11: ...x10mm MC P H Black Screw 2 SC1 SC2 140mm Long 5mm Strip Tin each end 18 AWG Green Yellow Insulated Wire 1 WIRE1 1mm Ex Tooth Lock Washer 2 WS1 WS2 M3 Hex Nut 5 5 x 2 4mm 2 WS3 WS4 Cambridge Audio Azur...

Страница 12: ...ression 1 2 RL3 A ME14F 9 H16S SPST Relay 1 2 RL4 A ME14F 9 H16S SPST Relay R1 10R 10W WireWound C9 10nF 250V X1 Y1 Mains Rated Safety Critical C10 10nF 250V X1 Y1 Mains Rated Safety Critical F1 T10AL...

Страница 13: ...ader 1 CN2 B10B XH A 2 Way Straight Header 1 CN3 B2P VH 100V 1A Schottky Rectifier 4 D1 D4 MBR1100 400V 1A Rectifier 8 D5 D12 1N4004 T10AL 6a3 Slow Blow Fuse 1 F1 Fuse Holder Base 1 F1 PTF78 or equiva...

Страница 14: ...TMS 13 RE9 INT2 TDO 14 RB5 CN7 AN5 C1IN 15 RB4 CN6 AN3 C1IN 16 RB3 CN5 AN3 C2IN 17 RB2 CN4 AN2 SS1 C2IN 18 RB1 CN3 AN1 19 RB0 CN2 AN0 20 RB6 AN6 21 RB7 AN7 22 RA9 PMA7 23 RA10 PMA6 24 AVDD 25 AVSS 26...

Страница 15: ...Cambridge Audio Azur 840A v2 Amplifier Front Panel Circuit Board COPYRIGHT Audio Partnership PLC Gallery Court Hankey Place LONDON SE1 4BB 15...

Страница 16: ...FFC Connector 1 CN7 D100 SSV 9 12 Way FFC Connector 1 CN8 D100 SSV 12 6 Way IDC Programming Header 1 CN9 90325 0006 10 Way FFC Connector 1 CN10 D100 SSV 10 no fit 1 D1 Blue Azur LED 3mm 1 D2 HFB963M 1...

Страница 17: ...15V XLR 6 5 7 U9 B NE5532D Dual Audio Op Amp 2 3 1 8 4 U10 A NE5532D Dual Audio Op Amp 15V 15V 6 5 7 U10 B NE5532D Dual Audio Op Amp R61 1 8W Metal Film 220k R62 1206 Thick Film 1k R63 22k 1 8W Metal...

Страница 18: ...R71 22k 1 8W Metal Film 15V 15V 15V 15V 15V 15V C60 47uF 16V NP Electrolytic 2 3 1 8 4 U18 A NE5532D Dual Audio Op Amp R76 22k 1 8W Metal Film 6 5 7 U18 B NE5532D Dual Audio Op Amp C62 NP Electrolytic...

Страница 19: ...ilm R51 1k8 1 8W Metal Film R52 470k 1 8W Metal Film R54 470k 1 8W Metal Film INPUT AMP 6dB INPUT L INPUT R TO PREAMP LEFT TO PREAMP RIGHT Preamp Out Buffer L Preamp Out Buffer R 15V C32 47nF 63V Met...

Страница 20: ...03AN Darlington Driver 9V 9V RELAY INPUT 1 INPUT 2 INPUT 3 INPUT 4 INPUT 5 INPUT 6 INPUT 7 1 2 RL8 A ME2 9B Low Power 2P2T TAPE MONITOR Q1 MPSA14 NPN Darlington D1 Rectifier 1N4004 R11 10k 1 8W Metal...

Страница 21: ...p 15V C75 47nF 63V Met Polyester C76 100uF 25V Electrolytic R80 47R 1 8W Metal Film 15V C77 47nF 63V Met Polyester C78 100uF 25V Electrolytic R82 47R 1 8W Metal Film Preamp Out Buffer L 6 5 7 U10 B NE...

Страница 22: ...Cambridge Audio Azur 840A v2 Amplifier Input Circuit Board COPYRIGHT Audio Partnership PLC Gallery Court Hankey Place LONDON SE1 4BB 22...

Страница 23: ...ramic 2 C1 C80 10 100nF 50V Mono Ceramic 1 C65 10 100nF 100V Polypropylene 2 C73 C74 CMPA104K100RB075 10 47uF 16V NP Electrolytic 16 C34 C36 C38 C41 C45 C47 C51 C53 C60 C62 C69 C70 20 100uF 16V NP Ele...

Страница 24: ...2W Carbon PREAMP OUT R R116 1 8W Metal Film 100R PREAMP OUT L R117 1 8W Metal Film 100R C43 Electrolytic 470uF 25V C44 Electrolytic 470uF 25V C45 10nF 63V Polyester C46 10nF 63V Polyester HP R120 1 8W...

Страница 25: ...V C23 Met Polyester 47nF 63V 15V 1 2 3 4 5 CN14 5 Way Straight Header 1 2 3 4 CN15 4 Way Straight Header R R R R125 47R 1 8W Metal Film Upper PCB Right Volume Only 1 2 3 4 5 6 CN13 6 Way Straight Head...

Страница 26: ...9 A ME2 9B High Sensitive 2P2T Relay BAL 3 C27 100nF 50V Mono Ceramic 9V RELAY C28 100nF 50V Mono Ceramic C29 100nF 50V Mono Ceramic RELAY RELAY RELAY 1 2 3 4 5 6 7 8 CN6 8 Way FFC Connector From Fron...

Страница 27: ...elay 1 2 RL27 A ME3 9S 1P2T Relay 1 2 RL28 A ME3 9S 1P2T Relay 1 2 RL29 A ME3 9S 1P2T Relay 1 2 RL30 A ME3 9S 1P2T Relay 1 2 RL31 A ME3 9S 1P2T Relay 9V R 1 2 RL32 A ME3 9S 1P2T Relay 1 2 RL33 A ME3 9...

Страница 28: ...1k 1 8W Metal Film R98 1k 1 8W Metal Film 6 5 7 U9 B NE5532P Audio Op Amp L TO VOLUME RIGHT 2 3 1 8 4 U9 A NE5532P Audio Op Amp R99 56k 1 8W Metal Film R101 56k 1 8W Metal Film LEFT RIGHT L C8 Met Pol...

Страница 29: ...Film L C10 100nF 100V Polypropylene VOL OUT RIGHT TO VOLUME RIGHT R46 330R 1 8W Metal Film 3 6 4 5 RL21 B ME3 9S 1P2T Relay R47 1k3 1 8W Metal Film R48 180R 1 8W Metal Film R49 430R 1 8W Metal Film R5...

Страница 30: ...Cambridge Audio Azur 840A v2 Amplifier Pre Amp Circuit Board and Volume Control Circuit Board COPYRIGHT Audio Partnership PLC Gallery Court Hankey Place LONDON SE1 4BB 30...

Страница 31: ...Metal Film 2 R88 R108 1 4k7 1 8W Metal Film 2 R1 R6 1 5k6 1 8W Metal Film 4 R102 R103 R111 R112 1 9k1 1 8W Metal Film 6 R28 R37 R52 R64 R86 R92 1 10k 1 8W Metal Film 7 R27 R36 R51 R63 R89 R95 R118 1 2...

Страница 32: ...32P PY108 7 Way Darlington Driver 3 U4 U5 U7 ULN2003AN PY1158 Dual Low Noise FET Op Amp 1 U6 TL072 PY633 Dual Audio Op Amp 2 U8 U12 NE5532D PY1162 9V Coil 2A Contacts 1P2T Relay 28 RL1 RL14 RL21 RL34...

Страница 33: ...BR1 BR 254 F1 F8AL Fast Blow Fuse F2 F8AL Fast Blow Fuse W13 Red W14 Orange W15 Yellow W16 Green W17 Purple W18 Grey C30 Met Polypropylene X2 470nF 275V C31 100nF 250V Met Polyester C32 100nF 250V Me...

Страница 34: ...NP Electrolytic 47uF 16V C1 100uF 16V NP Electrolytic R40 220R 1 8W Metal Film C11 2 2nF 63V Polypropylene C14 Polypropylene 1uF 100V C15 100nF 100V Polypropylene C9 100uF 16V NP Electrolytic C16 100...

Страница 35: ...15k 1 8W Metal Film R43 100k 1 8W Metal Film R44 120k 1 8W Metal Film Q24 MPSA92 PNP Signal R45 100k 1 8W Metal Film R46 15k 1 8W Metal Film D8 1N4148 Signal Diode R47 220k 1 8W Metal Film R48 47k 1...

Страница 36: ...Cambridge Audio Azur 840A v2 Amplifier Left Amp Circuit Board COPYRIGHT Audio Partnership PLC Gallery Court Hankey Place LONDON SE1 4BB 36...

Страница 37: ...1k1 1 8W Metal Film 2 R60 R61 1 1k8 1 8W Metal Film 1 R10 1 2k2 1 8W Metal Film 4 R49 R68 R71 R73 1 2k4 1 8W Metal Film 2 R52 R53 1 10k 1 8W Metal Film 4 R13 R27 R66 R77 1 10k 1 4W Metal Film 1 R64 1...

Страница 38: ...D18 1N4148 400V 3A Rectifier 2 D7 D9 1N5404 400V 1A Rectifier 1 D10 1N4004 F8AL Fast Blow Fuse 2 F1 F2 Fuse Holder Base 2 F1 F2 PTF78 or equivalent 20mm Pitch Fuse Holder Cover 2 F1 F2 PTF78 or equiva...

Страница 39: ...W9 W10 W11 W12 3 1 4 2 BR1 BR 254 F1 F8AL Fast Blow Fuse F2 F8AL Fast Blow Fuse W13 Red W14 Orange W15 Yellow W16 Green W17 Purple W18 Grey C30 Met Polypropylene X2 470nF 275V C31 100nF 250V Met Poly...

Страница 40: ...R39 200R 1 8W Metal Film C20 NP Electrolytic 47uF 16V C1 100uF 16V NP Electrolytic R40 220R 1 8W Metal Film C11 2 2nF 63V Polypropylene C14 Polypropylene 1uF 100V C15 100nF 100V Polypropylene C9 100u...

Страница 41: ...RMAL C3 10uF 25V NP Electrolytic DC OFFSET DETECT Q22 MPSA92 PNP Signal RIGHT OUT RAIL2 RAIL2 R42 15k 1 8W Metal Film R43 100k 1 8W Metal Film R44 120k 1 8W Metal Film Q24 MPSA92 PNP Signal R45 100k 1...

Страница 42: ...Cambridge Audio Azur 840A v2 Amplifier Right Amp Circuit Board COPYRIGHT Audio Partnership PLC Gallery Court Hankey Place LONDON SE1 4BB 42...

Страница 43: ...1 1k1 1 8W Metal Film 2 R60 R61 1 1k8 1 8W Metal Film 1 R10 1 2k2 1 8W Metal Film 4 R49 R68 R71 R73 1 2k4 1 8W Metal Film 2 R52 R53 1 10k 1 8W Metal Film 4 R13 R27 R66 R77 1 10k 1 4W Metal Film 1 R64...

Страница 44: ...18 1N4148 400V 3A Rectifier 2 D7 D9 1N5404 400V 1A Rectifier 1 D10 1N4004 F8AL Fast Blow Fuse 2 F1 F2 Fuse Holder Base 2 F1 F2 PTF78 or equivalent 20mm Pitch Fuse Holder Cover 2 F1 F2 PTF78 or equival...

Страница 45: ...ht A W14 Right A Gnd WIRE1 250mm Long 5mm Strip Tin each end 18 AWG Red Insulated Wire WIRE2 280mm Long 5mm Strip Tin each end 18 AWG Brown Insulated Wire WIRE3 280mm Long 5mm Strip Tin each end 18 AW...

Страница 46: ...2 1N4004 Rectifier R3 10k 1206 Thick Film R4 10k 1206 Thick Film Q2 MPSA14 NPN Darlington 9V 9V 1 2 3 4 5 6 7 8 CN1 8 Way FFC Connector RELAY 9V SPEAKER TEST RELAY RELAY COPYRIGHT The Audio Partnershi...

Страница 47: ...ck Film 100R R10 10R 1206 Thick Film 3 2 1 8 4 U1 A LM393AD Dual Comparator V Comparator R11 1206 Thick Film 4k7 Open Collector Output D5 Rectifier Diode 1N4004 L Speaker Test C5 100nF 50V 1206 Cerami...

Страница 48: ...Cambridge Audio Azur 840A v2 Amplifier Speaker Circuit Board COPYRIGHT Audio Partnership PLC Gallery Court Hankey Place LONDON SE1 4BB 48...

Страница 49: ...2 C6 C7 20 8 Way FFC Connector 1 CN1 D100 SSV 08 400V 1A Rectifier 2 D1 D2 1N4004 75V 300mA Signal Diode SM 2 D3 D6 BAS16 400V 1A Rectifier Diode 4 D4 D5 D7 D8 1N4004 PY319 Dual Comparator 1 U1 LM393...

Страница 50: ...l 12V R39 1 8W Metal Film 4k7 ABUS GND C24 47uF 25V Electrolytic R40 4k7 1 8W Metal Film R41 4k7 1 8W Metal Film 24V IN C28 47uF 25V Electrolytic C25 47uF 25V Electrolytic C26 47uF 25V Electrolytic C2...

Страница 51: ...Cambridge Audio Azur 840A v2 Amplifier ABUS Circuit Board COPYRIGHT Audio Partnership PLC Gallery Court Hankey Place LONDON SE1 4BB 51...

Страница 52: ...P0 Ceramic 4 C4 C5 C7 C8 5 1nF 50V Ceramic 4 C6 C38 C39 C55 10 47nF 63V Met Polyester 4 C42 C45 10 100nF 50V Mono Ceramic 11 C1 C10 C12 C17 C23 C29 C30 C32 C47 C54 10 10uF 35V NP Electrolytic 4 C15 C1...

Страница 53: ...6KHz IR Receiver 1 U6 TSOP34836 PY755 Quad 2 Input NAND Gate 1 U7 CD4011BE Opto Isolator 1 U8 4N25 PY1144 Dual Audio Op Amp 2 U9 U10 NE5532D PY1162 IR Demodulator 2 M1 M2 AP17339 3 45V 500mA PNP Signa...

Страница 54: ...Cambridge Audio Azur 840A v2 Amplifier IC Pin Layout Details TC9163AF NE5532 ULN2003A BC327 LM393AP 2SA1295 54...

Страница 55: ...2SC3264 CD4011BE 7812 OP4N25 TSOP34837 TSOP34836 24FJ64JA008 55...

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