Cambridge 540Rv2 SERVICE MANUAL

First Issue Date: 29th June 2006
Second Issue Date: 9th October 2006
Third Issue Date: 02nd February 2007

SERVICE MANUAL

SPECIFICATIONS:

Audio Section

Power Output Front 100W RMSx2(8ohm, 1% THD)

Output Impedance Front (L/R) 8 ohm

THD (unweighted) less than 0.05%

540R V2.0

Centre 100W RMS (8 ohm, 1% THD)
Surr. (L/R) 100W RMS x 2 (8 ohm, 1% THD)
Surr. Back 100W RMS (8 ohm, 1% THD)

Centre 8 ohm
Surr. (L/R) 8 ohm
Surr. Back 8 ohm

Line Input

Input Impedances 150mV/47k

Frequency Response 20Hz~25KHz+0.5/-1dB
Tone Control Range Bass ± 6dB - Treble ± 6dB
S/N ratio (ref 1W/8 Ohm) 75dB

Subwoofer Output

Rated Output/Impedance 150mV/10k
Frequency Response 10Hz~300Hz+3dB

FM Tuner Section

Frequency Range 87.5~108MHz
Sensitivity 14dB (5uV)
Antenna Terminal 75 ohm (unbalanced)

AM Tuner Section

Frequency Range 522~1629kHz, 9kHz step
Sensitivity 68 dB/M
Signal to Noise Range 30 dB
Antenna Loop Antenna

Power Requirement AC230V~50Hz
Max Power Consumption 615 Watts

Dimensions (W x D x H) 350 x 430 x 150

Weight 15.8kg

Gallery Court Hankey Place London SE1 4BB UK

Tel: [phone] Fax: [phone]

AP19914/3

1

540R V2.0 SERVICE MANUAL

TABLE OF CONTENTS

Front Panel Information

Remote Control

Remote Control Function

Rear Panel Information

Exploded Diagram

Exploded Diagram Parts List

PCB Interconnect Diagram

Decoder PCB Schematic

Decoder PCB Board Layout

Main Board – Power Supply PCB Schematic

Power Output & Speaker Protection

Main/Video Out/Speaker Connections PCB Board Layout

OSD PCB Schematic

OSD / Co-axial in/out / Connect Board B / Control Bus)

YUV PCB Schematic

3

4

5

6

7

8-9

10

11-13

14-15

16

17

18

19

20-21

22

YUV PCB Layout

Input / Outputs PCB Schematic

Display Board PCB Schematic

Display / Volume / AV3 PCB Layout

Co-axial in/out / Control Bus PCB Schematic

Connect Board B

Connect Down PCB

AC Input / Relay / Headphones PCB Schematic

AC Relay / Headphones PCB Layout

Bill of Materials

IC Pin Layout Details

Serviceable Parts List

23

24

25

26

27

28

29-30

31

32

33-38

39-40

41

2

Cambridge Azur 540R V2.0 AV Receiver

14 15 16 17 18 19 20 21

Volum e

Tape/MD/CDR

DTS ES

Tun er FM /A M

Pro Logic /

Neo 6

Video 1 Video 2 Video 3

Standby/On

- Tuning +

Phones

1 2 3 4 5 6 7 8 9 10 11 12 13

Mode/Store

DVD

Stereo Dolby DigitalEX

CD/Aux

6.1 Dire ct

Video Left Right

DSP

Input

Mode

Mode

Video 3 In puts

azur 540R

AV Re ceiv er

NO. & NAME DESCRIPTION NO. & NAME DESCRIPTION

1. Standby/On

The power amplifier is in standby mode,
indicated by the stand by indicator.

12. V ideo 3 Inputs

Input for VCR, Video Camera Recorder,
etc. contains one video input and
Analog Left and Right inputs.

2. Standby Indicator 13. Volume

Rotate this knob clockwise or
counterclockwise, the master volume will
be increased or decreased.

3. Phones

Jack for the stereo headphones.

14. DVD

When the coaxial /optical output terminal
of a DVD player is connected to the
DVD COAXIAL/OPTICAL IN terminal
of this unit (5/6 rear panel), press this
button to activate this function.

4.Tuning+/-

Tuner frequency or preset stations up &
down.

15. V ideo 1

When the line output of an external
player is connected to the AV 1 terminal
of this unit (6/rear panel), or when the
digital /optical output of another player is
connected to the OPTICAL IN of this
unit (6/ rear panel), press this button to
activate this function.

5.Mode/Store

Press this button once to select Auto
tuning mode; press it the second time to
select the Manual tuning mode; press it
the third time to select the Preset tuning
mode, then by pressing the Tuning +/­button to select a preset station; pressing
and holding this button (in any of the

16. V ideo 2

When the line output of an external
player is connected to the AV 2 terminal
of this unit (6/rear panel), or when the
digital /optical output of another player is
connected to the OPTICAL IN of this
unit (6/ rear panel), press this button to
activate this function.

modes above) for 5 seconds brings up
the “MEM” icon and display the next
available preset for storing the current
frequency.

6.Stereo

7.Dolby Digital EX

DTS ES

8.Dolby
Pro Logic II

With the unit in the STEREO mode,
only front left and front right speakers
and Subwoofer are working.
Digital Surround Mode

Surround modes for analog sources

17. V ideo 3

18. T uner FM/AM

19. T ape/MD/CDR

When you want to use Video 3 inputs,
pressing this button to activate this
function.

To listen to the radio broadcast, press this
button to activate this function, press
again to switch waveband.

Press this button when operating the tape
deck.

/NEO 6

9.DSP Mode

10.Input Mode

11. Remote Sensor

Press this button to choose one of the
following surround modes: THEATER,
HALL, PASSTHRU, MOVIE, MUSIC
and ROOM.
Analog or digital
Press this button to select input modes:
ANA, OPT and COAX when using
digital in.

Front Panel Information

20. CD/Aux

21. 6.1 Dir ect

When the coaxial output terminal of a
CD player is connected to the CD
COAXIAL IN terminal of this unit (5/
rear panel), press this button to activate
this function.
Press this button to select the 6.1
analogue input.

3

Cambridge Azur 540R V2.0 AV Receiver

2

3

4

6

7

9

10

12

14

17

18

20

22

21

24

25

27

28

1

5

8

11

13

15

16

19

23

26

29

30

Remote Control

4

Cambridge Audio Azur 540R V2.0 AV Receiver

NO. & NAME DESCR I PT ION NO. & NAME DESCR I PT ION

1.
Power On/Standby

2.
InputMode

Pressthisbuttontoturnthisunitonor
off .

Press it to s elect:

Digital or Analogmode.

16.
/Volumeup

17.
/Tunedown

-Directionbutton.

- P ress thes e buttons to i ncreas e the
volume.

- D irecti on button.

- T uner f requency down.

3.
St er eo

4.
PL II /NEO 6

5.
DDEX /DTS ES

6.
DSP MODE

7.
Dynamic

8.
LFE Trim

9.
Test Tone

10.
CH Select

With this unit in STERE O mode, only
FrontLeft& FrontRightspeakersand
Woof er hav e output.
When receivingA nalog/digital PCM
signals.

For digital surroundsignals

Press thi s button to c hoose one of the
following surround modes: THEATER,
HAL L, PASSTHRU, MOVIE, MUSIC
and ROOM.
Press thi s button r epeatedly to reach y our
desired compression dynamic range.

Under the Pro L ogic 5. 1CH or D TS

5.1C H mode, press this button and adjust
thevolumetosettheLowFrequency

output l evel
T o bal an ce s peak ers i n D ol by D i gi tal or
Dolby ProLogic mode.

S elec t channels by pushi ng thi s button,

thenusevolumekey tobalancespeakers

18.
Enter

19.
/Tuneup

20.
/ V ol ume d own

21.

Tuner AM/FM

22.

B ass/ Treble

23.

6.1 Dir ect

24.

PTY

25.

APS

Press thi s button when y ou want to enter
the O SD setup menu.

-Directionbutton.

- T uner f requency up.

-Directionbutton.

- P ress thes e buttons to decr ease the
volume.
Press thi s button to al ternate between F M
and A M.

Press thi s button f or B a ss / T r eb le
adj ustment, then pr ess V ol up and V ol
dow n to a dj ust the l evel .
Press thi s button to sel ect the 6 .1 analogue
input.

I n F M state, pres s thi s button, the c urrent
program typeappears onthe display, using
T uni ng +/- to s elec t the progr am ty pe y ou
desi r e.
Allocates andmemorizes radio stations
automatically.

11.
Sub On/Off

12.
Delay

13.
SPK Setup

14.
OSD

15.
Mute

Press thi s button to tur n on/of f the output
of s ubwoof er.

Press thi s button to s et the del ay ti me f or
the Dolby digital/Dolby Pro L ogic modes.

Under PRO LOGIC II or Digital state, it
can change the desi red S peaker S etting
shownonthedisplay.
Press thi s button to acc ess the AV
Receiver configuration settings by using
the O SD menus.
Press thi s button to mute the s ound, pus h
again to cancel the mute f uncti on.

26.

Display

27.

St er eo / M on o

28.

Store

29.

Mode

30.

I n put S elec tor

W ith R D S , pres s thi s button r epeatedly to
hav e P S ( progr am name) or C T ( cur rent
ti me) .
Press thi s button to al ternate between
S tereo and M ono mode when l is ten to F M
bro adcas t.
Press ing thi s button to stor e the cur rent
frequency.

Press ing thi s button to sel ect A uto /M anual
tuni ng mode and P reset mode.

Press the c orres ponding button according
to y our desi red s elec tion.

Remote Control Function

5

Cambridge Azur 540R V2.0 AV Receiver

1 2 3 4 5 6 87 10 11 12 13

1. FM / A M antenna

2. TV /Mon Out
S-V ideo out ….. using the S-Video cable to connect this terminal to the corresponding terminal on the TV set.
C omposite Videoout ….. using the RCA cable to connect this terminal to the corresponding terminal on the TV

3. S-V i deo in
V ideo 1 / Video 2 ….. connect to the corresponding output terminals of a VCR.
DVD ….. connect to the corresponding line output terminal of a DVD player.

4. C ompositeVideo in
V ideo 1 / Video 2 ….. connect to the corresponding output terminals of a VCR.
DVD ….. connect to the corresponding line output terminal of a DVD player.

5. C oax in
CD ….. digital audio input to the digital output of a CD player.
V ideo 1 / Video 2 ….. digital audio input to the digital output of a VCR.
DVD ….. digital audio input to the digital output of a DVD player.

6. Optical in
CD ….. optical audio input to the optical output of a CD player.
V ideo 1 / Video 2 ….. optical audio input to the optical output of a VCR.
DVD ….. optical audio input to the optical output of a DVD player.

7. Optical Out ….. digital audio output to the digital optical input of another amplifier, external recording device or

decoder.

8. C oax Out ….. digital audio output to the digital coaxial input of another amplifier, external recording device or
decoder.

9. Contr ol Bus terminal …… This terminal is used for our system controlling.

10. C omponentV ideo In
DVD ….. connect to the Cr Cb Y terminal of a DVD player.
V ideo 1 / Video 2 ….. connect to the Cr Cb Y terminal of external players.

11. C omponentV ideo Out ….. connect to the Cr Cb Y terminal on the TV set.

12. R eset ….. this is used to reset the whole system (including the memories set).

13. Power On / off ….. pressing this switch to turn on /off this unit.

14. Power AC ….. connect to the AC socket.

15. Speaker terminals ….. connect to the external speakers with 4~8 impedance.

16. 6.1 Pr eamp Out ….. connect to the 7 channel input terminals of another amplifier.

17. 6.1 D irect In ….. connect to the 7 channel output terminals of another player.

18. A udio In
Tape Rec ….. connect to the line input terminals on the Tape Deck.
Tape Play ….. connect to the line output terminals on the Tape Deck.
DVD ….. connect to the line output terminal of a DVD player.
V ideo 1 / Video 2 ….. connect to the line output terminals of external players.
CD / Aux ….. connect to the line output terminal of a CD player.

19. R S232C ……. This terminal is used for software upgrade.

9

141516171819 18

set.

Rear Panel Information

6

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 7

Exploded Diagram

Cambridge Audio Azur 540R V2 AV Receiver

1 6531 1010 0011 VOLUMN KNOB AL SKIN 1

5331 1010 0000 SCALEBOARD 1

8

7631 1010 0000 MR CONTROL BOX BUTTON CUSHION 1

10

11 7331 1010 0011 MR CONTROL BOX BUTTON 1

12 0554 0117 1001 PHONE PCB 1

13 5011 3014 1000 SCREW BTB3.0X14 10

14 7631 1020 0000 7MM TAC SWITCH BUTTON CUSHION 8

15 7331 1020 0011 7MM TAC SWITCH BUTTON 8

16 7631 1030 0000 4MM TAC SWITCH BUTTON CUSHION 8

17 7331 1030 0011 4MM TAC SWITCH BUTTON 8

20 0054 1030 0004 VOLUMN PCB 1

21 0054 1030 0004 DISPLAY PCB 1

23 0054 1083 2005 AV3 PCB 1

7531 1040 0000 540R front support right assy 1

27

29 7531 1050 0000 540R rear support right assy 1

30 7531 1020 0000 540R front support left assy 1

0054 0110 1001 FUSE PCB 1

37

krameR.ytQnoitpircseD.ONtraP.leS

1BONKNMULOVPMA0000040113372

1revoc3VA1900001113973

86X0.3BTBWERCS0000600341054

1SNELYALPSID0800010113475

1LENAPLA1220010113066

1EDIUGTHGILPMA0000030113477

01NMULOCBCP0000020113979

514X0.3BTBWERCS00014003110581

1SNELRI00000201134791

1NOITAROCED11000101139722

4DAPTOOF10000601139742

4TOOF11000501139752

48X0.3MB00018003210562

1)THGIR(REVOCEDIS11000201134682

88X6.2BTBWERCS00008062410513

1)TFEL(REVOCEDIS11000101134623

1REVOCPOT11000101131633

88X6.2MBWERCS00018062810543

646X0.3BTBWERCS00016003110553

1yssatfeltroppusraerR04500000301135763

401=HNS01-SBC00000000117883

1REVOCMOTTOB11000101132693

1CVPBCP01050040807704

76=HNS6-SBC00000006017814

204=H283-TDDK00000000437824

242=LTLOB00000301139534

223=LTLOB00000101139544

1NAF13233152201954

2)3Hx4Dx01D(HSAW00000701139764

103=HNS03-SBC00000000317874

Spare Parts Exploded Diagram

8

Cambridge Audio Azur 540R V2 AV Receiver

0054 1003 2005 MAIN PCB 1

53

54 5040 8000 0001 WASH

56 5331 1050 0011 TRANSFORMER BRACKET 1

58 5020 3006 0360 NUT

59 5040 0300 0000 SPRING WASHER

60 5030 0800 3210 WASH

62 5020 8012 0201 NUT

65 0054 1140 1002 YUV PCB 1

0054 1241 1006 OSD PCB 1

68

69 0054 1233 2005 OUTPUT PCB 1

70 0054 1381 2006 COAX PCB 1

72 0054 1280 1005 DECODE PCB 1

73 0054 1321 3006 CONNECT PCB(T) 1

74 0054 1321 0003 CONNECT PCB(B) 1

76 0054 1221 4006 CONTROL PCB 1

3.2 x 8.0 x 1.0mm 2

2TEKCARBNAF00000301133584

1TEKCARBBCPEDOCED00000601133594

2TEKCARBKNISTAEH00000201133505

1KNISTAEH00000101131515

2NMULOCKNISTAEH00000201139525

28

1TLOB04000808510555

428X0.3BTBWERCS00018003110575

22.3

20.3

1REMROFSNART00005101000416

18

13MREHSAWGNIRPS10000003040536

1LAERUTAREPMET00000501139546

248x0.3APWERCS0008003310566

1REVOCKCAB11100301133676

1XOBRENUT10003000008917

1BCP232S00003229450057

1REMROFSNARTSBTS00015531000477

Spare Parts Exploded Diagram

9

Cambridge Audio Azur 540R V2 AV Receiver

Power Cord in

Transformer

2P

Switch

Board

Transformer

2P

CN3

2P

CN4

2P

CN1

Relay Board

6P

3P

YUV

Board

HEAT-VARIABLE
RESISTOR

2P

2P

CN2

3P

CN5

Remote

Board

3P

CN7

2P

CN4

2P

CN8

2P

CN9

3P

CN11

10P

CN16

Speaker Board

2P

3P

CN23

CN7

2P

CN6

4P

6P

CN17

CN5

CN20

CN1

7P

2P

Main Board

FAN

2P

CN3

6P

CN5

Coaxial

Board

2P

OSD Board

7P

CN1

7P

CN6

CN4

5P

CN5

3P

5P

CN3

6P

CN36PCN2

5P

CN2

13P

CN4

Upgrade

Board

5P

Tuning

Board

13P

CN1

Decoder Board

16P

5P

J2

CN1

J1

7P

CN10

7P

2P

CN5

3P

CN2

4P

J200

Earphone

Board

6P

J1

16P

Display Board

J2

PCB Interconnect Diagram

3P3P

Volume

Board

2P

CN22

AV3 Board

3P

CN21

10

Cambridge Audio Azur 540R V2.0 AV Receiver

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R14 10K

R16 10K

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R18 10K

R19 10K
R23 10K

R24 10K
R25 10K
R26 10K
R27 10K
R28 10K
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R30 10K
R31 10K

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P1.4

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15

EMAD2_DATA2_GPIO2

14

EMAD3_DATA3_GPIO3

11

EMAD4_DATA4_GPIO4

10

EMAD5_DATA5_GPIO5

9

EMAD6_DATA6_GPIO6

8

EMAD7_DATA7_GPIO7

21

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3

3

15

16

C47
104

8

10

DGND

16P

CN5
16P1.0

3
3

C70

C31

+

104

2.2/50

DGND DGND DGND

VD11VD212VD3

Q1

SDA

Q2

STR

Q3

CLK

Q4

OE

Q5

VDD

Q6

Q7

Q8

VSS

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CS

DGND

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CN6

10P2.0(540R-V27P2.0)

C72

C71

C32

+

+

2.2/50

104

2.2/50

23

IC8

CS493263-CL

DSP

CMPDAT_RCV958_SDATAN2

DGND213DGND12AGND35DGND3

CLKIN

24

30

R100
33

DGND

DGND

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5

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7

14

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9

10

10P

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C33

104

34

VA

CLKSEL

STCCLK_SCLKN1

CMPCLK_SCLKN2

LRCLKN1

CMPREQ_LRCLKN2

SDATAN1

AUDATA0

AUDATA1

AUDATA2

XMT958_AUDATA3

12_NC1

DGND

AGND

C75

+

47/25

DGND

FLT2

FLT1

MCLK

SCLK

LRCLK

12_NC2

DGND

R108
220

C103
30P

112233445

6<9'(/

C34

L1
FB

104

+

C73

2.2/50

32

R13 10K

31

33K

R59

33

C84

C35

471

104

DGND

DGND

DGND

R90

R60
47K

VCC

IF
QF
IE

QE

74LVU04D

QD

12.288MHz

R2

3.3K

CN3

5P2.0

R91

R92

R94 33
R95 33

C89
100P

R93 33
R101 33
R102
R103 33

C76

+

47/25

14
13
12

12_NC3

11
10
9
8

C104
30P

DGND

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33
33

33

33

C41

104

DGND

JP1
0

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44

43

25

28

42

26

29

22

27

DGND AGND

41

40

39

3

IC10

1

IA

2

QA

3

IB

4

QB

5

IC
QC6ID

7

GND

Z1

JP4

del
JP5

0

5

26'&6

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L2
FB

C36

DGND1

104
C90

102

DGND1

51

53

VD4VD

VLS

55

RMCK

61

SAI_SCLK

60

SAI_LRCK

54

SAI_SDOUT

2

CX_SCLK

3

CX_LRCK

56

CX_SDOUT

1

CX_SDIN1

64

CX_SDIN2

63

CX_SDIN3

62

33

220
220
220

R20

10K

C42
104

R265 330

AGND AGND

CX_SDIN4

59

OMCK

12

RESET

7

SCL/CCLK

8

SDA/CDOUT

11

INT

9

AD1/CDIN

10

AD0/CS

R21

R22
10K

10K

6

IC9 CS42518-CQ

VLC

C91
102

DGND1DGND1

50

TXP

49

RXP0

48

RXP1_GPO1

47

RXP2_GPO2

46

RXP3_GPO3

45

RXP4_GPO4

44

RXP5_GPO5

43

RXP6_GPO6

42

RXP7_GPO7

DGND1

38

MUTEC

57

ADCIN2

58

ADCIN1

5

R46
10K

DGND1

JP20JP3

0

DGND

Q4

A950

C48

R118

104

22K

C49

104

R107

2.4K

AGND

R50

Q3

C3361

10K

AGND

TU+12V

+

DGND1

C77

47/25

R104

R262

3

R263
R264

3

L6
FB

R110
33

Q8

A1131

R251

22K

R249
10K

Q9

C3361

R252

10K

DGND

DGND

7

7P

J1
7P2.0

&389

'*1'

29

C37

C39
104

104

DGND1

DGND1

24

41

VA

VARX
AOUTA1+

AOUTA1-

AOUTB1+

AOUTB1-

AOUTA2+

AOUTA2-

AOUTB2+

DA/AD

AOUTB2-

AOUTA3+

AOUTA3-

AOUTB3+

AOUTB3-

AOUTA4+

AOUTA4-

AOUTB4+

AOUTB4-

AINL+

AINL-

AINR+

AINR-

VQ

FILT+

REFGND

LPFLT

AGND

AGND

DGND52DGND

LD1117S3.3(SOT-223)

2

+

C93
100/10

C38

C40

104

104

36

37

35

34

32

33

31

30

28

29

27

26

22

23

21

20

15

16

14

13

17

18

+

C97
100/10

19

R47 10K

39

R112 8.2K

C92
102

25

40

R246

10K

VOUT

2.5VD

IC18

3

5VD

VIN

GND

1

DGND1

L5

5VA

FB

+

C94
100/10

AGNDAGND AGND

FL+

FL-

FR+

FR-

LS+

LS-

RS+

RS-

C+

C-

LEF+

LEF-

SURRR+

SURRR-

SURRL+

SURRL-

AINL+

AINL-

AINR+

AINR-

+

C44

C43

104

C74

104

2.2/50

AGND

C107
563

AGND

3816MUTE

DVD/DSP

SUBMUTE

MUTE

MUTE

12V

To enhance viewing, please print to A3 11

Decoder PCB Schematic (1of 3)

Cambridge Audio Azur 540R V2.0 AV Receiver

SURRR-

SURRR+

SURRL-

SURRL+

R216

6.19K

C180

R200

2.94K

R208

887

R192

1.87K

+

C167

22/16

R199

2.94K

R207

887

R191

1.87K

+

C164

22/16

R201

2.94K

R209

887

R193

1.87K

C165

22/16

R202

2.94K

R210

887

R194

1.87K

C166

22/16

R204

2.94K

R212

887

R196

1.87K

C169

22/16

R203

2.94K

R211

887

R195

1.87K

C168

22/16

R206

2.94K

R214

887

R198

1.87K

C171

22/16

R205

2.94K

R213

887

R197

1.87K

C170

22/16

7.1 CH USE

390

IC3B

6

2068

5

C173

122

AGND

R215

C181

390

IC3A

2

2068

3

C172

122

AGND

R218

6.19K

C183

390

IC1A

2

2068

4

3

C175

122

AGND

6.19K

R217

C182

473

IC1B

6

2068

8

5

C174

104

AGND

R220

6.19K

C184

390

IC2B

6

2068

8

5

C177

122

AGND

6.19K

R221

C185

390

IC2A

2

2068

4

3

C176

122

AGND

6.19K

R219

C187

390

IC4A

2

2068

4

3

C179

122

AGND

6.19K

R222

C186

390

IC22B

6

2068

8

5

C178

122

AGND

C6

R126

+

7

8

1K

10/16

C63

C195

104

102

AGND

AGND

6.19K

C5

R125

+

1

4

1K

10/16

C62

C194

104

102

AGND

AGND

C14

R127

+

1

1K

10/16

C196

C64

102

104

AGND

AGND

C15

R128

+

7

1K

10/16

C65

C201

104

104

AGND

AGND

C23

R129

+

7

1K

10/16

C66

C198

104

102

AGND

AGND

C24

R130

+

1

1K

10/16

C67

C197

104

102

AGND

AGND

+

R131

1K

1

AGND

AGND

C69

104

C27

R132

7

1K

10/16

C68

104

AGND

AGND

BL

C25

10/16

C200
102

BR

+

C199
102

60P2.0*2

AGND

R229220

R228220

R227

R22633K

220

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859

CN7

SW

GND

GND

GND

GND

BL/BS

R62

AGND

47K

R69

47K

AGND

R232220

R231220

R230220

R234220

R233220

C

FL

FRLSRS

GND

GND

GND

GND

GND

VIDEO3 L

VIDEO3 R

33

R63

R64

47K

47K

R70

R71

47K

47K

R235220

R236220

GND

GND

DVD L

DVD R

AGND

R66

R65

R68

R67

47K

47K

47K

47K

26

DSP-FR

27

DSP-FL

28

DSP-C

29

DSP-SR

30

DSP-SL

31

DSP-CB

32

DSP-SW

15

DVD-FR

16

DVD-FL

17

DVD-C

18

DVD-SR

19

DVD-SL

20

DVD-CB

21

DVD-SW

R73

R72

R75

R74

47K

47K

22K

47K

36

AGND

22

AGND

74

A-RI/O

75

A-LI/O

76

TAPE-RO

77

TAPE-LO

78

VIDEO-RO

79

VIDEO-LO

73

AGND

80

AGND

AGND

R76

R77

R241220

R237220

R238220

R239220

R240220

GND

GND

GND

GND

GND

VIDEO R

VIDEO2 L

VIDEO1 L

VIDEO1 R

CD/AUX R

CD/AUX L

6.1CH
SELECT

R242

220

C8

C7

+

+

10/16

10/16

63

FR-SO65FL-SO

INPUT
SELECT

AGND

1

47K

R78

47K

R79

47K

R80

47K

R81

47K

R82

47K

R83

47K

47K

R84

47K

47K

R85

47K

R86

47K

R87

47K

R88

47K

R89

AGND

R243220

R244220

GND

GND

GND

GND

GND

GND

REC L

REC R

TAPE R

TAPE L

SW OUT

BL/BS OUT

C11

C10

+

10/16

SR-SO41SL-SO

INGSW

C12

+

+

10/16

10/16

37

39

CB-SO

IC17

BD3816K1

C9

+

10/16

43

C-SO

VOL

CD-RI2CD-LI3MD/DAT-RI4MD/DAT-LI5TAPE-RI6TAPE-LI7TUNER-RI8TUNER-LI9VIDEO-RI10VIDEO-LI11PHONO-RI12PHONO-LI

60

6.1CH=56P

GND

GND

GND

GND

GND

GND

GND

GND

BR in

C OUT

FL OUT

SL OUT

SR OUT

FR OUT

BR OUT

+

C13

10/16

38

64

62

42

40

35

44

34

C-VI

FR-VI

FL-VI

SR-VI

SL-VI

CB-VI

SW-VI

SW-SO

VOL

AGND

TO DSP-L24TO DSP-R23AGND

13

14

AGND

Q7
C3326

AGND AGND

R247

2.2K

R248

10K

R250

C191

100K

104

AGND

AGND

R245220

C157

AGND

182

R176

5.49K

FR-

R184

1.65K

FR+

C149

562

AGND

AGND

C156

AGND

182

R175

5.49K

FL-

R183

1.65K

FL+

C148

562

AGND

AGND

C158

AGND

182

R177

5.49K

C-

R185

1.65K

C+

C150

+

562

AGND

AGND

C159

AGND

103

R178

5.49K

LEF-

R186

1.65K

LEF+

C151

104

+

AGND

AGND

C161

AGND

182

R180

5.49K

RS-

R188

1.65K

RS+

C153

562

+

AGND

AGND

C160

AGND

182

R179

5.49K

LS-

R187

1.65K

LS+

C152

562

+

AGND

AGND

C163

AGND

182

R182

5.49K

R190

1.65K

C155

562

+

AGND

AGND

C162

AGND

182

R181

5.49K

R189

1.65K

C154

562

+

AGND

AGND

AGND

C122

C123

104

104

C82

C83

+

+

47/25

47/25

70

72

VCC

25

AGND

TREBLE

BASS

LOGIC

DGND66MUTE67CLK68DATA

71

VEE

TRE2
TRE1

BAS4
BAS3
BAS2
BAS1

AGND

FR-O

AGND

SR-O

CB-O

AGND

SW-O

AGND

69

C188

472

C189

60

472

59

AGND
58
57
56
55

61

10/16

54

10/16

53

FL-O

52

10/16

51

C-O

10/16

50

10/16

49

SL-O

10/16

48

47

46

45

+C16

AGND

10/16

R166

68K

AGND

IC22A

2068

C124

C125

C126

C127

104

R57

4.7K

AGND

C18

+

C17

+

C20

+

C21

+

C22

+

C19

+

R161

R160

68K

68K

AGND AGNDAGND

IC4B

2068

LEF

R223

5

2.2K

8

C190

331

6

C128

104

R224

R225

6.8K

AGND

3

4

AGND

1

2

104

104

104

R58

4.7K

AGND

R162

R164

R163

68K

AGND

7

C147

333

4.7K

C129

104

R165

68K

68K

68K

AGND

AGND

C130

104

AGND

C26

10/16

+

R167

68K

AGND

150

R151

+

C134

R155

100/16

150

+

C135

AGND

AGND

R156

100/16

150

R153

150

150

R152

R158

+

C136

150

100/16

R157

+

C137

150

R154

100/16

150

+7V

-7V

VOL-DATA

VOL-CLK

3816MUTE

SUBMUTE

DSPBR

DVDBR

BROUT

L-O

R-O

TU-R

TU-L

12V

-12V

-vv

To enhance viewing, please print to A3 12

Decoder PCB Schematic (2 of 3)

J2

5P2.5

Cambridge Audio Azur 540R V2.0 AV Receiver

IC14
TC4053BF

2

Y0

1

C142
47/25

AGND

Y1

12

X0

13

X1

5

Z0

3

Z1

6

INH

16

VDD

C110

104

2.5V

C117
104

IC16
KA7805A

1 3

2

C56
104

AGND

R133 634
C85

471

IC20B

6

2068

5

R51
10K

C50

104

R136 634
C87

2

2068

3

R52
10K

C53

104

-V

D4
DB104G

AC1

V+

AC2

R141

7

8

AGND

R139

3.32K

471

4

AGND

R140

3.32K

AC1

V+

AC2

C51

104

1

C54

104

D5

DB104G

C138
2200/16

C139

3300/25

C140

3300/25

R135

90.9

R134

634

R145

332

R143

90.9

R137

634

R146

332

634

C86 471

6

R142

7

2068

8

90.9

5

IC21B

C52
104

AGND

R138

C88 471

2

2068

3

C55
104

AGND

+

C114
104

+

C118
104

+

C119
104

1

1

2

U4
KA7912A

4

U1
KA7805

VIN

U2
KA7812

VIN

VIN

634

IC21A

+

C133
100/16

AGND

R144

1

90.9

C132

+

100/16

AGND

3

VOUT

GND

C141

2

100/10

VOUT

GND

C143

2

47/25

C144
47/25

1

VOUT

GND

C108
272M

R148

150

R150

150

C109
272M

R149
150

R147

150

5VD

+

C115
104

DGND

3

+

C120
104

AGND

+

C121
104

3

AINR+

AINR-

AINL+

AINL-

Q6

C2120

R173
1K

C145
333

AGND

C146
333

R174

1K

A950

6.8

R171

+

+

C78

C80

D6

47/25

47/25

7.5V

+

+

C79

C81

D7

47/25

47/25

7.5V

R172

6.8

Q5

DVD BR

DSP BR

U3
LD1117DT25

3

2

I

O

A

C116
104

DGND

+

1

AGND

C99
100/10

R168

1W/0.22(RF)

R169

1W/0.22(RF)

R170

1W/0.22(RF)

R119

+

1.5K
R123

1K

AGND

+

R121

2.8K
C98

100/10

AGND

IC20A

C101
100/10

R120

+

1.5K

R124

1K

AGND

R122

+

2.8K

C100

100/10

AGND

-V

R-O

L-O

-vv

5P

5

5

7.5V~

4

4

3

3

14.5V~

2

2

14.5V~

1

1

AGND

100/10

15

YCOM

10

B

14

XCOM

11

A

4

ZCOM

9

AGND

C

7

VEE

VSS

8

AGND

C111

104

AGND

C113
104

C112
104

R61
820K

AGND

IC15

1

IN 1

AGND

IN 2

AGND

VEE

AGND

VCC

LOGIC

OUT 1

OUT 2

DGND

MUTE

DATA

SEL

CLK

2

3

4

5

6

7

C131

BR

+

14

10U/16

13

12

15NC12

11

AGND

10

9

8

AGND

R159
68K

DVD/DSP

BR OUT

3816 MUTE

VOL-DATA

VOL-CLK

BD3812F

7.1 CH USE

2.5VD

5VD

+

C102

C57
104

AGND

AGND

5VA

12V

+7V

-7V

-12V

C58

C59

104

CE

104

C60

104

C61

104

DGND

AGND

To enhance viewing, please print to A3 13

Decoder PCB Schematic (3 of 3)

Cambridge Audio Azur 540R V2.0 AV Receiver

10

To enhance viewing, please print to A3 14

Decoder PCB Board Layout (1 of 2)

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 15

Decoder PCB Board Layout (2 of 2)

Cambridge Audio Azur 540R V2.0 AV Receiver

D32
1N4148

C131
10UF/16

D33
1N4148

TO EarPHONE BOARD

CN17

PH-R

PH-L

GND

PH-DET

4P(2.0)

CN5

+5V

GND

~5.5V

~5.5V

GND

-27V

6P(2.0)

TO DISPLAY BRD

+14V

+5V

CN11

+14V

ON/OFF

GND

3P(2.0)

TO FUSE BRD

CN10

P-ON/OFF

SYS MUTE

M-RELAY

PH-DET

PRO-TEST

D+5V

GND

FROM DECODER

7P(2.0)

INDICATES SAFETY CRITI CAL COMPONENTS.

TO REDUCE THE RISK OF ELECTRIC SHOCK LEAKAGE

CURRENT OR RESISTANCE MEASUREMENTS SHALL BE
CARRIED OUT(EXPOSED PARTS ARE ACCEPTABLY
INSULATED FROM THE SUPPLY CIRCUIT) BEFORE
THE APPLIANCE RETURNED TO THE CUSTOMER.

FAN DRIVER

R230

820

1

2

2SC1627A-Y

R232

1.2K

CN6

1

2

2P(2.5)

R104

10K

R101

6.2K

D45

R245

22K

1N4148

4

3

2

1

1

2

3

4

5

6

1

2

3

1

2

3

4

5

6

7

RT1

02DSB282J

TEMP SENSOR

PH-R

PH-L

PH-DET

D29
1N4148

MUTE-DELAY

PH-DET

+5V

R231

270

OVER LOAD PROTECT

Q17

C2458

FAN+15V

CN3

1

M

2

2P(2.0)

Q85

Connected to bottom of cabinet

over load

C109
2200U/10

R247

22K

Q87

C2458
R246
100K

R164
22K

D7

1N4148

FAN

R131

22K

JK9

+55V

-55V

R239
100

D41
6C2

R117

220

R123

220

C94

104

RELAY+15V

FAN+15V

R249
15K

R240
100

+C103

10U/50

VIDEO3 board

C81

R124

R126

47K

47K

330P

C141

104

CE

R42

10/1W

R234

4.7/1W

C99

C97

10000U/63

104M

C100
10000U/63

104M

C98

C104

+

47U/35

C105

104M

C82

330P

C142
470P

R241

3.3K/1W

D42
1N4570(27V)

AC1

Q88

C2878

1

2

3

1

2

+C106

1000U/25

+

CN21

3P(2.0)

CN22

2P(2.0)

+C96

+C101

+

-

C107

330U/63

470U/25

BL1

RIN

AGND

LIN

VIDEO IN

GND

470U/25

AC2

MB252

D43

1N4001

AC2-AC1

4.7U/25

D39

1N4001

D40

1N4001

+

BL2

DB101G

+C40

FH1

T12AL250V

FH2

T12AL250V

D26
1N4001

R173

4.7K

R165
1K

TO DEODER BRD

RF/0.22/1W

R235

R242

RF/0.22/1W

CN1

1

2

2P(2.5)

CN4

1

2

3

3P(3.96)

2

1

CN8

2P(2.5)

TO VIDEO BRD

CN9

2

1

2P(2.5)

D44

1N4001

5P2.5

2P2.5

~7.5V

1.5A

5

4

3

~16.5V

2

1.5A

1

~16.5V

1.5A

~15V

1

500mA

2

3

2

TO FUSE BRD

Rto-FUSE

RELAY-STOP

1

1

TO FUSE BRD

2

~32V

3

4A

2

~32V

1

4A

2

~4.2V

1

250mA

2

~13V

1

1.5A

125 C 2A250VAC

1

~14V

2

200mA

R243

+C108

22U/25

R244

470

R26
1K

Q86

4.7K
A1015

AV3-8.4-14

G5

1

G1

2

G2

3

G3

G4

C42
104

IC1

7805

1

3

I

O

G

+C102

47U/16

2

D6
1N4148

+

R174

-55V

100K
R176
33K

C121

47UF/25V

Q38

A1015

R248
680K

SYS-MUTE

To enhance viewing, please print to A3 16

Main Board - Power Supply PCB Schematic

C9

R10

S+12V +55V

10U/16V

R1

L-IN

1.5K

R3

R2

100K

6.8K
Q1

C2878

FL channel

S+12V

C18
10U/16V

R45

R-IN

1.5K

R47

R43

100K

6.8K
Q18

C2878

FR channel

S+12V +55V

10U/16V

R46

RS-IN

1.5K

R48

R44

100K

6.8K
Q19

C2878

RS channel

C180

+

10U/50

GND

S+12V +55 V

10U/16V

R133

C-IN

1.5K

R134

R132

100K

6.8K
Q50

C2878

C channel

LS channel

S+12V +55V

C83

10U/16V

R200

LS-IN

1.5K

R201

R199

SYS-MUTE

100U/16

C95

100K

6.8K
Q73

C2878

R229

2.4K/3W

+

DW15
1N4742A

R6

1.8K

470K

C1

R4

+

820

R5

47K

R49

+

820

R51

47K

C19

R50

+

820

R52

47K

C58

R135

+

820

R136

47K

R202

+

820

R203

47K

+55VS+12V

R9

8.2K

47P

C3

Q2

Q4

A970

A970

C2

C4

R8

1K

122M

152M

C5

102

Q3

C2240

R7

R11

1.2K

1.8K

R60

R53

470K

1.8K
R58

8.2K

47P

C22

Q23

Q20

A970

A970

C20

C24

R56

1K

122M

152M

C26

102

Q22

C2240

R55

R62

1.2K

1.8K

R61

R54

470K

1.8K
R59

8.2K

47P

C23

Q24

Q21

A970

A970

C21

C25

R57

1K

122M

152M

C62 102

Q52

C2240

R138

R143

1.2K

1.8K

R142

R137

470K

1.8K
R141

8.2K

47P

C60

Q51

Q54

A970

A970

C59

C63

R140

1K

122M

152M

C61 102

Q53

C2240

R139

R144

1.2K

1.8K

R204

R208

470K

1.8K
R207

8.2K

47P

C85

Q74

Q76

A970

A970

C84

C87

R206

1K

122M

152M

C86 102

Q75

C2240

R205

R209

1.2K

1.8K

47UF/50V

+

R13

C7

47K

12P

+

C6
100U/16

R12

1.5K
Q6

C8

D946BR

20P

Q5

C2705

R14
100

C32

47UF/50V

+

R65

C29

47K

12P

R68

R63

1.5K

12P

R64

1.5K

12P

R145

1.5K

12P

R210

1.5K

C27
100U/16

C30

C28
100U/16

C65

C64
100U/16

C89

C88
100U/16

5.6K/0.25W

Q26

C31

D946BR

20P

Q25

C2705

R67
100

C33

47UF/50V

+

R66
47K

R69

5.6K/0.25W

Q27

C66

D946BR

20P

Q55

C2705

R147
100

C68

47UF/50V

+

R146
47K

R149

5.6K/0.25W

Q57

C67

D946BR

20P

Q56

C2705

R148
100

C91

47UF/50V

+

R211
47K

R213

5.6K/0.25W

Q78

C90

D946BR

20P

Q77

C2705

R212
100

+

+

+

+

Cambridge Audio Azur 540R V2.0 AV Receiver

R34
10K

R100

+

820

R177
22K

R33

47K

C43

C41

R102

47K

152M

R179

2.2K
R181

2.2K

D28
1N4148

POWER OUT

10

9

8

7

6

5

4

3

2

1

R40

1K

R32

47K

R103

1.8K

47P

Q37

A970

122M

Q39

C2240

R105

1.2K

CN16

10P2.5

R15

5.6K/0.25W

R16

R70
2K

R71
2K

R150
2K

R214
2K

2K

R17

2.7K

R72

2.7K

R151

2.7K

R152

2.7K

R215

2.7K

R19

5.6K/0.25W

R20

220

1N4148

1N4148

R18
220

R74

5.6K/0.25W

R75

220

D9

1N4148

D11
1N4148

R73
220

R76

5.6K/0.25W

R77

220

D10
1N4148

D21

1N4148

R153
220

R155

5.6K/0.25W

R156

220

D20
1N4148

1N4148

R154
220

R217

5.6K/0.25W

R218

220

D34

1N4148

DW13

D35
1N4148

R216
220

R96

1.5K

R97

6.8K

C2878

BS channel

Q65

C2240

D27

1N4148

BS-OUT

LS-OUT

RS-OUT

C-OUT

FL-OUT

FR-OUT

Q12
C2458

470U/10

Q36

2.2U/50V/NP

1N4148

C15

C76

D30

MUTE-DELAY

RELAY-STOP

over load

Q13

C2458

+

C39
10U/16V

R99
100K

R175
22K

C14

R28

2.2U/50V/NP

2.2K

Q10

0.22/5WX2

+55V

Q33

R83

0.22/5WX2

Q32

0.22/5WX2

Q63

CPOWER

Q82

0.22/5WX2

R24

FL

-55V

FR

-55V

R84

SR

-55V

R161

0.22/5WX2

-55V

R222

SL

-55V

10/0.25W

10/0.25W

10/0.25W

R162

10/0.25W

L7

0.5UH

10/0.25W

R27

2.2K

D3

1N4148

L1

0.5UH

R25

R90

2.2K

R88

2.2K

D13

1N4148

L2

0.5UH

R85

R89

2.2K

R87

2.2K

D12

1N4148

L4

0.5UH

R163

R168

2.2K

R167

2.2K

D23

1N4148

L5

0.5UH

R166

2.2K

R224

2.2K

D36

1N4148

R223

K1A

JZC-42F

K1B

JZC-42F

JZC-42F

JZC-42F

K3B

JZC-42F

Q11

C2240

R31

R30

22K

22K

R29

22K

2.2U/50V/NP

R95

R93

22K

22K

R91

22K

2.2U/50V/NP

R94

R92

22K

22K

D14
1N4148

K2A

R171

22K

2.2U/50V/NP

R172

R169

22K

22K

K2B

R170

22K

2.2U/50V/NP

R226

R228

22K

22K

D37
1N4148

R227

22K

D4
1N4148

D15
1N4148

D24
1N4148

D5

1N4148

FL-OUT

PH-L

C13

Q35
C2240

D17

1N4148

FR-OUT

PH-R

C38

Q34
C2240

D16

1N4148

RS-OUT

C75

Q64
C2240

D25

1N4148

C-OUT

C74

Q83

C2240

D38

1N4148

LS-OUT

S+12V

BS-IN

SYS-MUTE

R21

4.7/0.5W
C10

Q8

150P

C2073

D1

DW1
6A3

D2

DW3

6A3

DW5

6A3

DW4
6A3

DW9
6A3

DW8

6A3

DW10

6A3

D22

6A3

DW14
6A3

150P

4.7/0.5W

150P

4.7/0.5W

150P

4.7/0.5W

150P

4.7/0.5W

150P

D1047

R22

220/0.25W

DW2

Q7

6A3

A940

Q9
B817

C11

R23

4.7/0.5W

R78

C34

Q29

150P

C2073

D1047

R80

220/0.25W

Q28
A940

Q31
B817

C36

R82

4.7/0.5W

R79

C35

Q30

150P

C2073

D1047

R81

220/0.25W

Q58

A940

Q61
B817

C70

R159

4.7/0.5W

R157

C69

Q60

150P

C2073

D1047

R158

220/0.25W

Q59

A940

Q62
B817

C71

R160

4.7/0.5W

R219

C92

Q80

150P

C2073

D1047

R220

220/0.25W

Q79
A940

Q81
B817

C93

R221

4.7/0.5W

R36

1K

+

C171

470U/10

R37

Q15

10K

C2458
R38
100K

Q14

R35

A970

10K

C16

473

D31
1N4148

C45

BS

LS

C

RS

FL

FR

GND

GND

GND

GND

+14V

+

C179

R198

8.2K

220U/16

R109

470K

R107

8.2K

A970

R106

R113

C49

47K

12P

Q41

+

C47

100U/16

R112

1.5K

1K

C51

C46

20P

102

Q42

C2705

R115

R111

100

1.8K

C52

47UF/50V

Q43

D946BR

R189

R39
100K

+

D8

IN4001

C2235

Speaker Protect

5.6K/0.25W

R116

5.6K/0.25W

R118
2K

R119

2.7K

R120
220

22K

L-IN

R-IN

LS-IN

RS-IN

C-IN

SYS-MUTE

BS-IN

K2C

K1C

J

JZC-42F

Q16

R121

R125

4.7/0.5W
C54

Q45

150P

R122

C2073

220

D18

1N4148

R127

DW6
6A3

220/0.25W

DW7

Q44

6A3

A940

D19

1N4148

C56

R128

150P

4.7/0.5W

-55V

C119

C115 10UF/16V

C116

C117 10UF/16V

C120

C118

K3C

J

J

JZC-42F

JZC-42F

+55V

+55V

Q48

D1047

R129

0.22/5WX2

L3

BS

0.5UH

R130

10/0.25W

Q49

B817

10UF/16V

10UF/16V

10UF/16V

10UF/16V

RELAY+15V

C17
104

K3A

BS-OUT

JZC-42F

-55V

CN18

1

FL

2

3

FR

4

5

SL

6

7

SR

8

9

C

10

11

SYS-MUTE
12

13

BS
14

AGND

V3-LIN

V3-RIN

V3-RIN

AGND

V3-LIN

FROM DECODER BOARD

15

16

16P2.0(180)

CN2

3

2

1

3P(2.0)

TO V3 BRD

To enhance viewing, please print to A3 17

Main Board - Power Output & Speaker Protection PCB Schematic

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 18

Main / Video Out / Speaker Connections PCB Board Layout

CD OPT IN

V1/V2 OPT IN

DVD OPT IN

P3
DASW-02

VIDEO

S-VIDEO

VGND

26

P1
DASW-02

VIDEO

DVD INVIDEO1 IN VIDEO2 IN

S-VIDEO

VGND

P2
DASW-02

VIDEO

S-VIDEO

VGND

CN4

VIDEO3 IN

1

VIDEO

2

GND

3

S-VIDEO_Y

4

GND

5

S-VIDEO_C

6

GND

640_6P2.0/ 540R_2P2.0

Cambridge Audio Azur 540R V2.0 AV Receiver

CN3

CD-COAX-IN

1

VGND

R32
10K

DGND

OPT-IN

D+5V

IC3-9

IC3-11

YUV/CON

YUV MUTE

5(6(7

R34
10K

1

2

2

3

3

4

4

5

5

TO COAX BRD

6

6

6P2.0

CN1

1

1

2

2

3

3

4

4

5

5

6

K1

6

R10

7

7

10

7P2.0

+9V

1

1

2

2

+5V

3

3

-5V

4

4

5

5

6

6

TO YUV BRD TO DECODE BRD

7

7

CN2

VGND

7P2.0

1
2
3

U4
GP1F32T

P4
DASW-02

VGND

VIDEO

S-VIDEO

G1YG4VG2

OPTICAL OUT

OUT

DGND

C

G3

D+5V

R7

4.7K

FROM DECODER BOARD

CN5

5

5

4094-STB

D3

4

4

SIN

3

1N4148

3

SCLK

2

2

CS

1

1

S-Y/V DEL

5P2.0

D+5V

R57

R51

R53

10

10

10

U1

3
2
1

TORX179

DGND

U2

3
2
1

TORX179

U3

DGND

3
2
1

TORX179

DGND

V

Y

C

G3

R11

G4

G1

G2

75

V

C

G3

R1875R2075R36

G2

G1YG4

Y

C

G3

R1775R1975R35

G1

G4VG2

1

2

3

4

5

6

R2775R2875R40

VGND

L1

FB

C1
104

L2

FB

C2
104

L3

FB

C3
104

R1275R31

10K

104

10K

10K

10K

video amp in

R1

5

75

R2

3

75

L5

FB

R3

1 2

75

IC8A 74HCU0 4D

C9104

R13
75

C14

R21
75

C13104

R22
75

C18104

R29
75

C54

47/16

C100

47/16
R90
1K

VGND

IC8C
74HCU04D

IC8B

74HCU04D

R23

6

100

R8

4

100

C8

C5

14

104

100/10

DGND

R9

100

R88 330

L14

R62
220

BYPASS_S-Y

BYPASS_V

OSD_V

VGND

VGND

56uH

R61

180

C95 220

R89 56

C94
102

L15
FB

C99

2

1

5

3

12

13

11

10

9

6

R37
330

VGND

IC3-9

INH

47/16

IC6

Y0

Y1

Z0

Z1

X0

X1

A

B

C

INH

TC74HC4053AF

12

13

11

10

VGND

C93 390P

2

1

5

3

9

6

Y0

Y1

Z0

Z1

X0

X1

A

B

C

INH

C92
270

IC1

Y3
Y2
Y1
Y0

X3
X2
X1
X0

B
A
INH6VEE

TC74HC4052AF

IC2

Y3
Y2
Y1
Y0

X3
X2
X1
X0

B
A
INH6VEE

TC74HC4052AF

C43

6

GND1

9

GND2

C103
22/16

L13

FB

C82

+

100/10

+

C81

22/16

+

+

C105
22/16

COM-Y

COM-X

VDD

VSS

COM-Y

COM-X

VDD

VSS

4

Vref

Cout

8

+

+8V

R52
100

video amp out

IC3-9
7

C87
104

PS

IC11

NJM2567V

10

C80

20p

3

13

R44

16

10

C25

C19

105

8

C20

105

7

3

13

16

C23

105

8

C24

105

7

5

Cin

CV out

11

+C102

100/10

R91

75

VGND

R69
DEL

TO OSD-V

473

VGND

C26

473

R45

10

R47

10

C29

473

VGND

C30

473

R48

10

3

Y in

V+1

V+2

Yout

Ysag13CVsag

14

R92
DEL

VGND

BYPASS_S-C

BYPASS_S-Y

TO OSD_

S-Y

C101

10/16

1

12

C89

C88

104

104

VGND

4
2
5
1

11
15
14
12

9

10

VGND

4
2
5
1

11
15
14
12

9

10

VGND

104

C98
47/16

VGND

+C83

C84

100/10

104

7

VGND

5

VCC

VO2

8

VIN2

6

VS2

IC10

NJM2267

C104

4

VO1

1

100/10

VIN1

GND

3

VS1

2

VGND

R86
10K

IC3
TC74HC4053AF

YCOM

ZCOM

XCOM

VDD

VSS

VEE

U5

1

16

D3

VCC

2

15

D2

D4

3

14

D1

D5

4

13

D0

D6

12

5

Y

D7

6

11

W

A

7

10

ST

B

9

GND8C

TC74HC151AP

VGND

YCOM

ZCOM

XCOM

VDD

VSS

VEE

R85
12K

Q5
C3361

C85
10/16

VGND

R83
100K

VGND

15

4

14

16

C50
105

8

C52
105

7

R64
10

15

4

14

16

8

7

C90
104

C51
473

C53
473

C21

105

C22

105

L20
FB

Q6
C3361

VGND

R63

10

VGND

14.31818M

DGND

video amp in

R46

10

C27

473

VGND

C28

473

R49
10

C91
105

VGND

L11

R84

FB

470

JP1
0

VGND

NTSC

PAL

X2

X1

17.734475M

A

B

R39
1K

VGND

VGND

C15
104

JP2
0

DGND1

R56 D EL

C4415P

DGND1

C4

C7

104

100/10

DGND

VIDEO 3/CD DVD VIDEO 1 VIDEO 2

AB0001101

C10 104

R87

4.7K

R54

4.7K
C38

681

C39
105

C37

47/16

24

22

21

23

RST

VDD1

CDCLK

lOUT
a

XtalIN2Xt

VSS1

3

1

C45
15P

C46

24P

H:PAL

L:NTSC

CTRL2

CTRL1(mute)4HFTON

DGND1

C3247/16

R55
220

20

n

SEPi

out

LC74786M

5

L12

33uH

D+5V

C6

L4

FB

IC8E

10

11

74HCU04D

IC8D

9 8

1

13 12

DGND

Q2
C2120

L6
FB

C41

C16

100/10

104

7

VGND

5

VCC

VO2

8

VIN2

6

VS2

IC4

NJM2267

4

VO1

1

VIN1

GND

3

VS1

2

VGND

R24

75

VGND

C79

102

R60

C40

10K

C86

105

5NC18

VGND

15

19

17

18

14

13

16

10/16

R81

8.2K

CVin

SEPc

VSS2

CVout

VDD1

SYNin

SEPout

OSCin

6

VGND

IC5

OSCout

7

C47
24P

P/NSW

C97

SCLK

SYNCjdg8CS

SIN11VDD2

103

9

2
1

10
NC8
5

C107
47/16

R25
10K

VGND

C42104

C12104

C55100/10

C3322/16

C78
105

VGND

Q3
C3361

R50

470

R82

R26

39

820

Q4
C3361

R30

R43

22K

22K

L9
FB

VGND

C48

C49

100/10

104

VGND

C96
47P

VGND

74HCU04D

IC8F
74HCU04D

7

R38
1K

C31
220/10

video amp out

R94
1K

R71
330

R5

75

R4

75

+9V+8V

R72
10

C57

Q8
A1331

105

C58

R76

105

220K

R73
330

R6

330

104

R1475

R1675

R1575

C35

100P

4

Q1

SDA

5

Q2

STR

6

INH

Q3

CLK

7

Q4

OE

14

Q5

VDD

13

Q6

12

Q7

IC7

TC4094AFN

11

VSS

Q8

QS9CS

D2

R74

270

1N4148

C59

D1

105

1N4148

VGND

R951K

V1/V2-COAX-IN

DVD-COAX-IN

COAX-OUT

R58
91

DGND

L10
FB

C76
104

DGND

C34

C36

R33

100P

100P

10K

2

1

3

15

D+5V

16

C60

C61
473

105

8

10

DGND

Q9
C3361

R75
22K

R93
1K

To enhance viewing, please print to A3 19

OSD PCB Schematic

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 20

OSD / Co-axial In/Out / Connect Board B / Control Bus PCB Board Layout

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 21

OSD / Connect Board B / Co-axial in/out / Control Bus PCB Schematic

DVD YUV IN1 VIDEO YUV IN2

Cambridge Audio Azur 540R V2.0 AV Receiver

IC1

!

1

2

3

7

8

4

C8
104

7

8

4

C9
104

R1

!

FR0.22/0.5W

1

2

3

R2
FR0.22/0.5W

VGND

VGND

JK2

VIDEO-Y

1

VIDEO-Cb

2

VIDEO-Cr

3

AV3-8.4-14/EC

C10
104

JK1

1

2

3

AV3-8.4-14/EC

C11
104

!

DVD-Y

DVD-Cb

DVD-Cr

C1
103M/100V

R3
75

CN1

3P2.5

AC 7.5V*2 IN

5 6

5 6

!

D1

AC +V

!

AC -V

DB104G

!

!

R4

R5

75

75

VGND

R7

R6

75

75

VGND

KA7805

1

VIN

C2
2200/16

C3
2200/16

2

VIN

IC2
NJM7905FA

2

1

5

3

12

13

11

10

9

R8
75

6

VGND

VOUT

GND

2

1

VOUT

GND

IC3

Y0

Y1

Z0

Z1

X0

X1

A

B

C

INH

TC74HC4053AF

3

C6

C4

104

100/10

VGND

C25
47P

A

+5V

-5V

OUT-Y

OUT-Cb

OUT-Cr

VGND

C7

C5

104

100/10

3

L2
47uH

C15

100/10

C17

14

104

VGND

R14 75

R15 75

R16 75

C23
47P

C24
47P

13

C21

12

104

11

C22

10

104

9

8

YCOM

ZCOM

XCOM

VDD

VSS

VEE

C12 47/16

15

C14 47/1 6

4

C13

14

16

C28

104

8

C29

104

7

47/16

R12

10

R13

10

VGND

VGND

R9
10K

R10
10K

R11
10K

VGND

L1
47uH

C18

104

C19

104

C20

104

C16
100/10

1

2

3

4

5

6

7

IC4

Vin1

VEE1

Vin2

VEE2

Vin3

VEE3

PowerSave

NJM2581M

6dB DR

6dB DR

6dB DR

V+1

VOUT1

V+2

VOUT2

V+3

VOUT3

GND

1

2

3

4

5

6

7

VGND

K1
DT 4114L(9.5mm)

VGND

1

2

3

JK3

AV3-8.4-14/EC

C26
104

VGND

CN2

7P2.0

1

2

3

4

5

6

7

TO VIDEO BRD

7

8

YUV OUT

4

5 6

C27
104

To enhance viewing, please print to A3 22

YUV PCB Schematic

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 23

YUV PCB Board Layout

TAPE REC

DVD

VIDEO1

VIDEO2

CD/AUX

TAPE PLAY

C

SW

SL

SR

FL

FR

BS OUT

BS IN

JK1A
AV4-8.4-13/EC

L

L

G1

R

R

G

104
C110

JK2
AV2-8.4-13/ES

L

L

G1

R

R

G

C12
104

JK3
AV2-8.4-13/ES

L

L

G1

R

R

G

C122
104

JK5
AV2-8.4-13/ES

L

L

G1

R

R

G

104

C123

JK4
AV2-8.4-13/ES

L

L

G1

R

R

G

C37
104

JK1B

AV4-8.4-13/EC

LA

LA

G2

RA

RA

JK6A

AV6-8.4-13/EC

1

2

3

4

5

6

JK8
AV2-8.4-13/ES

L

L

G1

R

R

G

C158
104

JK6B

AV6-8.4-13/EC

C152

104

JK6C

AV6-8.4-13/EC

C151
104

Cambridge Audio Azur 540R V2.0 AV Receiver

C111

C113

330P

330P

C112

C114

330P

330P

C126

C129

330P

330P

C125

C128

330P

330P

C124

C127

330P

330P

C144

C146

330P

330P

C145

C147

330P

330P

C154

C157

330P

330P

C153

C156

330P

330P

C155

330P

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

17P2.0(180)

CN14

13

12

11

10

9

8

7

6

5

4

3

2

1

13P2.0DIP(180)

6.1CH IN

CN12

TO DECODER BOARD

TXD

CTS
RXD
GND

RTS

JK7A

AV6-8.4-13/EC

1

TO DECODER BRD

FL

2

FR

SL

SR

C

SW

C148

C149

330P

330P

JK7B

AV6-8.4-13/EC

3

4

C162

C165

C160

330P

330P

104

JK7C

AV6-8.4-13/EC

5

6

C161

C164

104

C159

330P

104

C163
330P

6.1CH OUT

CN15

13

12

11

10

9

8

7

6

5

4

3

2

1

13P2.0DIP(180)

FL

FR

SL

SR

C

SW

BS

BS

C

SW

SL

SR

FL

FR

CN23

2P2.5
CN7

3P(2.5)

TO AMP BRD

7P(2.5)

CN20

1GND

CN13

1

2

3

4

5

5P(2.0)

1

2

5GND

3

BSout

2

SLout

1

SRout

7

Cout

6

FLout

FRout

5

4

3

2

1

4GND

3GND

2GND

USB UPDA PORT

R178

100

R180

100

DW11

DW12

5C2

5C2

Speaker out put port

6GND

R41

1/4W10

C44

104

1GND

R108

R110

R114

1/4W10

1/4W10

1/4W10

C55

C53

C57

104

104

104

2GND

3GND4GND

2GND 3GND

R98

1/4W10

104

JK12

RS232

1

N.C

6

DR

2

TXD

7

CTS

3

RXD

8

RTS

4

DSR

9

N.C

5

GND

C130

104

C48

R86

1/4W10

104

C50

C77

C72

C73
104

104

104

4GND

JK10

G3

3

SL

G2

2

SR

G1

1

BS

WP6-10B

1GND

JK11

G3

3

C

G2

2

FR

G1

1

FL

WP6-10B

2GND3GND4GND

CE

C79

C80

C78
104

104

104

5GND

1GND

6GND

To enhance viewing, please print to A3 24

Input / Outputs PCB Schematic

Cambridge Audio Azur 540R V2.0 AV Receiver

U1

HL-D135A

J1

1
2

AC1

3

AC2

4
5

-27V

6

6P*2.0

-

3mm Blue LED

R56
1K2

J2
D100-SRA-16
TO DECODE BOARD

VR3

EC16B241047AA
MASTER VOLUME

+6V

D31

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

1 2

12

2

Q13

C2458

1

OPTICAL ON/OFF
REMOTE
VIDEO ON/OFF
VFD-DATA
VFD-CLK
VFD-STB
VOL-B
VOL-A

MUTE
MUTE-DELAY
4094-CLK
4094-DATA(SER)
4094-ST
TV MUTE

C

1

2

3

R45
620

D5
1N4148

C1

0.1uF

3

100/10

C15

R1 56K

12

12

C2
10/10

R43 22K

R44
22K

F1F1NP1G2G3G4G5G6G7G8G9G10G

12345678910111213141516171819202122232425262728293031323334353637383940414243

G2

G1

G4

G5

OPTICAL ON/OFF
VIDEO ON/OFF

POWER ON/OFF

MUTE
MUTE-DELAY

VEE

14

Vdd

33

Vdd

45

Vdd

52

OSC

+6V

C7

0.1uF

11G

12G

13GNCP1P2P3P4P5P6P7P8P9

G7

G9

G6

LED3

LED2

LED1

Vss

51

U4

3

CLK

2

D

1

STR

15

OE

16

VDD

8

VSS

G11

G12

G13

G10

G13

Grid1

LED5

LED4

Dout

DinICCLK

STB

5

678

9

TC4094(DIP16)

P14

P15

P13

G9G8G4

G12

G10

G11

Grid4

Grid3

Grid2

123

RPM-638CBR-L

14

Q5

13

Q6

6

Q3

12

Q7

4

Q1

5

Q2

7

Q4

11

Q8

9

QS

10

QS

Grid5

SW1

P12

G8

Grid6

SW2

IR1

123

P11

G7

Grid7

SW3

P10

P8

P7

P9

G6G3G2

G3

G5

3234353637383940414243444647484950

Grid8

Seg20/Grid9

Seg19/Grid10

SW4

4

C3

0.1uF

P10

P11

P12

P13

P6

P3

P5

P4

G1

P2

P1

Seg14/Grid15

Seg15/Grid14

Seg16/Grid13

Seg17/Grid12

Seg18/Grid11

12

100/16

P14

P15

P16

P17

P1

P2

P4

P3

P5

P7

P6

Seg10/KS10

Seg11/KS11

Seg12/KS12

Seg13/Grid16

D30

2

1N4148

C4

P18

P19

P20

P20

P21

P19

P10

P8

P9

Seg7/KS7

Seg8/KS8

Seg9/KS9

1

P21

P22

P23

P22

P23

P11

P12

Seg4/KS4

Seg5/KS5

Seg6/KS6

+6V

P24NPF2

P24

P14

P13

Seg3/KS3

F2

44

P15

1516171819202122232425262728293031

Seg1/KS1

Seg2/KS2

KEY1
KEY2
KEY3
KEY4

R23
1K

R21
1K

10
11
12
13

R6
1K

R12
1K

U2
UPD16311

KEY1

KEY2

KEY3

KEY4

R24 18K

R9
1K

Q6
A1015

R28 18K

R14
1K

R34

18K

1

Q1

2SC2120

3

1 2

3

1

3

Q3
A1015

3

3

Q12
A1015

3

P11

P12

P13

P14

P15

R25

3K3

2

1

R29

3K3

2

1

R35

3K3

2

1

2

-27V

Q5
2SC2120

2

Q11
2SC2120

D32

1 2

1N4148

D1

1 2

1N4148

D2

1

1N4148

D3

1

1N4148

D9

1

1N4148

-27V

R7
100K

R13
100K

P20

-27V

R22

100K

S17
1 2
3

S1
1 2
3

S5
1 2

2

3 4

S9
1 2

2

3

S16

2

1 2
3 4

P19

P24

S18
1 2
3

4

S2
1 2

4

3

S6
1 2
3 4

S10
1 2
3

4

R2

10K

+6V

S19
1 2
3 4

4

S3
1 2

4

3

S7
1 2
3 4

S11
1 2
3 4

4

R3
10K

R8
1K

R11
1K

R15
1K

R17
1K

R18
1K

R20
1K

1

R26
18K

Q2

2SC2120

3

R30
18K

2SC2120

R32

18K

4

Q4
A1015

1

Q7

3

3

2

3

R27
3K3

2

1

1 2

S20
1 2
3 4

S4
1 2
3 4

S8
1 2
3 4

S12
1 2
3

R4
10K

-27V

100K

Q8
A1015

2

3

R31

3K3

2

1

Q10
A1015

3

R33

3K3

Q9

2

2SC2120

1

R10

R5
10K

-27V

-27V

4

100K

100K

P21

R16

P22

R19

P23

To enhance viewing, please print to A3 25

Display Board PCB Schematic

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 26

Display / Volume / AV3 PCB Layout

Cambridge Audio Azur 540R V2.0 AV Receiver

L8

FB

C62

C63

104

100/10

JK1
AV4-8.4-14/EC

10

10

C71
105

GND

IC9A

14

C64

104

C65

104

C66

104

R41

220

R65

10

R66

10

R67

10

1

2

U6

LTV817A

1

5

2

6

3
7

4
8

9

9

C72
105

C67
105

C68
105

C69
105

C70
105

JK2
AV-8.4-8/ES

G1

G1

G2

G2

GND

GND

GND

S

R68
75

R70
75

R77
75

74HCU04D

1

R78

10K

C73

8P

IC9B

74HCU04D

3

R79

10K

C74

IC9C

8P

74HCU04D

5 6

R80

10K

C75

8P

2

4

4

3

GND

13

11 10

9 8

R42

4.7K
R59

4.7K

7

GND

Q1
C3361

12

IC9F
74HCU04D

IC9E
74HCU04D

IC9D
74HCU04D

C77
105

CD-COAX IN

V1/V2-COAX IN

DVD-COAX IN

COAX OUT

GND

CN7

3

3

2

2

1

1

3P2.0

CN6

1

1

2

2

3

3

4

4

5

5

6

6

6P2.0

TO COAX BRD

RGND

To enhance viewing, please print to A3 27

Co-axial in/out / Control Bus PCB Schematic

Cambridge Audio Azur 540R V2.0 AV Receiver

CONNECT BOARD B

TO decoder board

10
11
14
15
18

23
26
27
30
31
34

42
43
46
47

55
58
59

CN8

6

12
43
5
87
9
12
13
40
41
2019
2122
24
25
28
29
32
33

`

3635
3738
1639
17
44
45
48
4950
5251
5354
56
57
60

SW-IN
BS-IN
SL-IN
SR-IN
C-IN
FL-IN

FR-IN
REC-L OUT
REC-R OUT
DVD-L IN
DVD-R IN
VIDEO1-L IN
VIDEO1-R IN
VIDEO2-L IN
VIDEO2-R IN
CD/AUX-L IN
CD/AUX-R IN
TAPE-L IN
TAPE-R IN
VIDEO3-L IN
VIDEO3-R IN
SW-OUT
BS-OUT
SL-OUT
SR-OUT
C-OUT
FL-OUT
FR-OUT

CN9

1 2
4 3
5 6
8 7
9 10

12
13
40
41
20 19
21
24
25
28
29
32
33
36
37
16
17
44
45
48 47
49 50
52
53
56
57
60 59

11
14
15
18

22
23
26
27
30
31
34

`

35
38
39
42
43
46

51
54
55
58

TO connect board A

PH2.0/2*28P/DIP(180)

PH2.0/2*28P (180) H4.3

To enhance viewing, please print to A3 28

Connect Board B

Cambridge Audio Azur 540R V2.0 AV Receiver

CN1

13

BS

12

11

C

10

9

SW

8

7

SL

6

SR

FL

FR

FL

FR

SR

C

SW

BS

SL

13P(2.0)

CN4

17P

CN2

13P(2.0)

5

4

3

2

1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

13

12

11

10

9

8

7

6

5

4

3

2

1

6.1CH IN

ANALOG IN

6.1CH LINE OUT

REC L OUT

REC R OUT

DVD L IN

DVDRIN

VIDEO1 L IN

VIDEO1 R IN

VIDEO2 L IN

VIDEO2 R IN

CD/AUX L IN

CD/AUX R IN

TAPELIN

TAPE R IN

FL

FR

SL

SR

C

SW

BS

CONNECT DOWN

SW IN
BS IN
SL IN
SR IN
CIN
FL IN

FR IN
REC L OUT
REC R OUT
DVD L IN
DVDRIN
VIDEO1 L IN
VIDEO1 R IN
VIDEO2 L IN
VIDEO2 R IN
CD/AUX L IN
CD/AUX R IN
TAPELIN
TAPE R IN
VIDEO3 L IN
VIDEO3 R IN
SW OUT
BS OUT
SL OUT
SR OUT
COUT
FL OUT
FR OUT

CN3

1
4
5
8
9

12
13
40
41
20
21
24
25
28
29
32
33

`

36
37
16
17
44
45
48
49
52
53
56
57
60

PH2.0/2*28P/DIP (90)

2
3
6
7
10
11
14
15
18
19
22
23
26
27
30
31
34
35
38
39
42
43
46

TO connect board B

47
50
51
54
55
58
59

Q1
C3326

Q2
C3326

Q3
C3326

Q4
C3326

Q5
C3326

FLFRSLSRCSWBS

R8

10K

R9

10K

R10

10K

R11

10K

R12

10K

6.1CH OUT TO AMP

CN5

1

FL

2

3

FR

4

5

SL

R1

1K

R2

1K

R3

1K

R4

1K

R5

1K

R6

1K

R7

1K

6

7

SR

8

9

C

10

11

SYS-MUTE

12

13

BS

14

AGND

15

V3-LIN

16

V3-RIN

16P2.0(90)

C1
105

Q6
C3326

Q7
C3326

R13

10K

R14

10K

To enhance viewing, please print to A3 29

Connect Down PCB Schematic

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 30

Connect Down PCB Schematic

AC220~240V 50/60Hz IN

CN1

3
2
1

2P7.92

Cambridge Audio Azur 540R V2.0 AV Receiver

CN4

3

AC IN

2
1

2P7.92

CN1

3

2
1

2P7.92

CN2

3
2
1

2P7.92

CN3

3
2
1

2P7.92

L1

TRANS1

CC1

0.22/275VAC

FILTER BOARD

CC2

0.22/275VAC

CN2

1
2
3

2P7.92

AC1 OUT

AC2 OUT

TO SW

103MAC250V

F1

T5AL 250V

TO MAIN BOARD

R2

4.7K

R3

10K

CN5

1

2

3

3P(2.0)

+

C3
220/10

+14V

P ON/OFF
GND

D1
IN4148

R1

100

1

RAY1

4

3

C1

103MAC250V

ME-14F

C2

2

Q1

C2120

FUSE BOARD

1.2K/1W

C4

104

R6

1.2K/1W

R7

R4

R5

10

10

C5
104

C6

104

J1

4
3
2
1

4P2.0

J

TO MAIN BRD

MIC1
MIC1

1

2
3
4
5

K

7
8

K

Hear Phones board

To enhance viewing, please print to A3 31

AC Input, Relay & Headphones PCB Schematic

Cambridge Audio Azur 540R V2.0 AV Receiver

To enhance viewing, please print to A3 32

AC Relay & Headphones PCB Schematic

Cambridge Azur 540R V2.0 AV Receiver

Used Part Type Designator Description
1 MB252 BL1
1 DB101G BL2
6 10U/16V C1 C18 C19 C39 C58 C83
6 152M C2 C20 C21 C41 C59 C84

58C06C34C32C22C3CP746

6 122M C4 C24 C25 C45 C63 C87

68C26C16C64C62C5C2016

7 100U/16 C6 C27 C28 C47 C64 C88 C95

98C56C94C03C92C7CP216

09C76C66C15C13C8CP026
6 47UF/50V C9 C32 C33 C52 C68 C91
12 150P C10 C11 C34 C35 C36 C54 C56 C69 C70 C71 C92 C93

161C061C951C851C251C151C031C321C221C011C73C21C40121
6
2 470U/10 C15 C171

1 4.7U/25 C40
2
2 470U/25 C96 C101
3 104M C97 C98 C105
2 10000U/63 C99 C100
1 47U/16 C102
2 10U/50 C103 C180
1 47U/35 C104
1 1000U/25 C106
1 330U/63 C107
1 22U/25 C108
1 2200U/10 C109
25 330P C111 C112 C113 C114 C124 C125 C126 C127 C128 C129 C144 C145 C146

6 10UF/16V C115 C116 C117 C118 C119 C120
1 47UF/25V C121
1 10UF/16 C131
1 470P C142
1 220U/16 C179
3 2P(2.5) CN1 CN8 CN9
3 3P(2.0) CN2 CN11 CN21
2 2P(2.0) CN3 CN22
1 3P(3.96) CN4
1 6P(2.0) CN5
1 2P(2.5) CN6
1 3P(2.5) CN7
1 7P(2.0) CN10
1 17P2.0(180) CN12
1 5P(2.0) CN13
2 13P2.0DIP(180) CN14 CN15
1 10P2.5 CN16
1 4P(2.0) CN17
1 16P2.0(180) CN18
1 7P(2.5) CN20
1 2P2.5 CN23
35 1N4148 D1 D2 D3 D4 D5 D6 D7 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20

2.2U/50V/NP C13 C14 C38 C74 C75 C76

61C3741

141C49C08C97C87C77C37C27C75C55C35C05C84C44C24C71C40161

330P C81 C82

C147 C148 C149 C153 C154 C155 C156 C157 C162 C163 C164 C165

D21 D22 D23 D24 D25 D27 D28 D29 D30 D31 D34 D35 D36 D37 D38 D45

Bill of Material

33

Cambridge Azur 540R V2.0 AV Receiver

1 IN4001 D8
3 1N4001 D26 D43 D44
2 1N4148 D32 D33
2 1N4001 D39 D40
1 6C2 D41
1 1N4570(27V) D42
12 6A3 DW1 DW2 DW3 DW4 DW5 DW6 DW7 DW8 DW9 DW10 DW13 DW14
2 5C2 DW11 DW12
1 1N4742A DW15
2 T12AL 250V FH1 FH2
1 7805 IC1
1 AV4-8.4-13/EC JK1
5 AV2-8.4-13/ES JK2 JK3 JK4 JK5 JK8

AV6-8.4-13/EC JK6 JK7
1 AV3-8.4-14 JK9
2 WP6-10B JK10 JK11
1 RS232 JK12
2 JZC-42F K1
2 JZC-42F K2 K3
1 0.5UH L1 L2 L3 L4 L5 L7
6 C2878 Q1 Q18 Q19 Q36 Q50 Q73 Q88
6 A970 Q2 Q4 Q14 Q20 Q21 Q23 Q24 Q37 Q41 Q51 Q54 Q74 Q76
1 C2240 Q3 Q11 Q22 Q34 Q35 Q39 Q52 Q53 Q64 Q65 Q75 Q83
5 C2705 Q5 Q25 Q42 Q55 Q56 Q77
7 D946BR Q6 Q26 Q27 Q43 Q57 Q78
6 A940 Q7 Q28 Q44 Q58 Q59 Q79
6 C2073 Q8 Q29 Q30 Q45 Q60 Q80
2 B817 Q9 Q31 Q49 Q61 Q62 Q81
6 D1047 Q10 Q32 Q33 Q48 Q63 Q82
12 C2458 Q12 Q13 Q15 Q17 Q87
6 C2235 Q16
13 A1015 Q38 Q86
6 SS8050D(TO-92) Q85
7 1.5K R1 R12 R45 R46 R63 R64 R96 R112 R133 R145 R200 R210
1 6.8K R2 R43 R44 R97 R132 R199
2 100K R3 R38 R39 R47 R48 R99 R134 R201 R246

032R202R531R001R05R94R4R0281
1 47K R5 R13 R32 R33 R51 R52 R65 R66 R102 R113 R124
12 1.8K R6 R11 R53 R54 R62 R103 R111 R137 R143 R144 R204 R209
6 1.2K R7 R55 R105 R138 R139 R205 R232

602R561R041R601R75R65R04R63R62R8RK16
12 8.2K R9 R58 R59 R107 R141 R198 R207
1 470K R10 R60 R61 R109 R142 R208

042R932R212R841R741R511R76R41R0018

2

1 2.7K R17 R72 R119 R151 R152 R215

6 4.7/0.5W R21 R23 R78 R79 R82 R125 R128 R157 R159 R160
6 220/0.25W R22 R80 R81 R127 R158 R220
6 0.22/5WX2 R24 R83 R84 R129 R161 R222
7 10/0.25W R25 R85 R130 R162 R163 R223
10 2.2K R27 R28 R87 R88 R89 R90 R166 R167 R168 R179 R181 R224
22 22K R29 R30 R31 R91 R92 R93 R94 R95 R131 R164 R169 R170

1 10K R34 R35 R37 R104
12 1/4W10 R41 R86 R98 R108 R110 R114

5.6K/0.25W R15 R19 R68 R69 R74 R76 R116 R121 R149 R155 R213 R217
412R051R811R17R07R61RK21

651R451R351R321R221R021R711R77R57R37R02R81R0221

R171 R172 R175 R177 R189 R226 R227 R228 R245 R247

Bill of Material

34

Cambridge Azur 540R V2.0 AV Receiver

6 10/1W R42
1 6.2K R101

1 4.7K R173 R243
14 100K R174
4 33K R176

12 2.4K/3W R229

132R0721
1 4.7/1W R234
2 RF/0.22/1W R235 R242
1 3.3K/1W R241

442R0746
7 680K R248
1 15K R249
6 02DSB282J RT1

Bill of Material for coax.Bom

112R302R641R631R621R00161

081R871R0019
812R612R0212
122R912R00121

Used Part Type Designator

1

1 6P2.0 CN6
1 3P2.0 CN7
1 74HCU04D IC9
1 AV4-8.4-14/EC JK1
1 AV-8.4-8/ES JK2

1 C3361 Q1

2 4.7K R42 R59

3 10K R78 R79 R80
1 LTV817A U6

Bill of Material for CON.Bom

Used Part Type Designator
1 PH2.0/2*28P/DIP(180) CN8
1 PH2.0/2*28P (180) H4.3 CN9

100/10 C63

8LBF1

14R0221

66C56C46C26C4014

77C27C17C07C96C86C76C5017

57C47C37CP83

76R66R56R013
77R07R86R573

Bill of Material for VIDEO&OSD.Bom

Used Part Type Designator

C42 C49 C55 C56 C76 C84 C90

8

100/10 C7 C8 C33 C41 C48 C82 C83 C87

Bill of Material

81C71C61C51C41C31C21C11C01C9C6C5C4C3C2C1C40132

19C87C06C95C85C75C25C05C04C93C42C32C22C12C02C91C501

35

Cambridge Azur 540R V2.0 AV Receiver

16C35C15C03C92C82C72C62C52C3749
5 47/16 C31 C32 C37 C43 C54
3 100P C34 C35 C36

83C1861

54C44CP512
74C64CP422
49C97C2012

98C08Cp022
2 22/16 C81 C88
2 10.0/16 C85 C86

29C0721

1 560P C93

59C0221
69CP741

79C3011
1
2 6P2.0 CN2 CN3
1 640 6P2.0 / 540R 2P2.0 CN4
1 5P2.0 CN5
3 1N4148 D1 D2 D3
2 TC74HC4052AF IC1 IC2
2 TC74HC4053AF IC3 IC6
1 NJM2581M IC4
1 LC74786M IC5
1 TC4094AFN IC7
1 74HCU04D IC8
1 NJM2267 IC10

1 33uH L12
1 56uH L14
4 DASW-02 P1 P2 P3 P4
5 C3361 Q3 Q4 Q5 Q6 Q9
1 A1331 Q8

2

3
10 10K R31 R32 R33 R34 R35 R36 R40 R60 R69 R86

1 DEL R56

1 220K R76
1 8.2K R81

1 100K R83
1 12K R85
1 15K R87

7P2.0 CN1

2PJ1PJ02

02L31L11L01L9L7L6L5L4L3L2L1LBF21

37R17R26R6R0334

4.7K R7 R54
98R25R52R32R9R8R0016

41R741
51R811
61R331
62R0281

22K R30 R43 R75

93R83R73R0653
88R48R05R0743

16R55R0222
85R191
47R0721

28R931

92R82R72R42R22R12R02R91R81R71R31R21R11R5R4R3R2R1R57

27R46R36R75R35R15R94R84R74R64R54R44R01R0131

Bill of Material

36

Cambridge Azur 540R V2.0 AV Receiver

3 TORX179 U1 U2 U3
1 GP1F32T U4
1 TC74HC151AP U5
1 17.734475M X1
1 14.31818M X2

Bill of Material for Y U V.Bom

Used Part Type Designator
1 103M/100V C1
2 10.0-00 C2 C3
4 100/10 C4 C5 C15 C16

3 47/16 C12 C13 C14

52C42C32CP743
1 3P2.5 CN1
1 7P2.0 CN2
1 DB104G D1
1 NJM7905FA IC1
1 NJM7905FA IC2
1 TC74HC4053AF IC3
1 NJM2581M IC4
3 AV3-8.4-14/EC JK1 JK2 JK3
1 DT 4114L(9.5mm) K1
2 47uH L1 L2
2 FR0.22/0.25W R1 R2
9 10K R3 R4 R5 R6 R7 R8 R9 R10 R11

31R21R012

61R51R41R573

71R11

92C82C72C62C22C12C02C91C81C71C11C01C9C8C7C6C40161

Bill Of Materials for Display&Coax .Bom

Used Part Type Designator Description
3 0.1uF C1 C3 C7
1 10.0/10 C2
1 100/16 C4

01C8C3012

41C21C11C9C4014
1
1 100/10 C15

7 1N4148 D1 D2 D3 D5 D9 D30 D32
1
1 RPM-638CBR-L IR1
1 6P*2.0 J1
1 D100-SRA-16 J2
1 AV3-8.4-14/EC J3
1 5P*2.5 J4
1 10uH L1
6 2SC2120 Q1 Q2 Q5 Q7 Q9 Q11
6 A1015 Q3 Q4 Q6 Q8 Q10 Q12
1 C2458 Q13
1 56K R1
4 10K R2 R3 R4 R5

10.0/16 C13

81C71C61C4223

3mm Blue LED D31

Bill of Material

37

Cambridge Azur 540R V2.0 AV Receiver

15R74R32R12R02R81R71R51R41R21R11R9R8R6RK141
6 100K R7 R10 R13 R16 R19 R22
6 18K R24 R26 R28 R30 R32 R34
6 3K3 R25 R27 R29 R31 R33 R35
2 22K R43 R44
1 1K5 R45

05R64RM12

16R06R25R84R574

2 10M R49 R53

45R0341

55R191
1 6K8 R56
17 DT4113F S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S16 S17 S18 S19 S20

1PTX1
1 HL-D135A U1
1 UPD16311 U2
1 TC4094(DIP16) U4
1 74HCU04D U5
1 EC16B241047AA VR3

Bill of Material

38

8

VIN2

1

VIN1

U5

1

2

3

4

5

6

7

8

TC74HC151AP

IC1

4

Y3

2

Y2

5

Y1

1

Y0

11

X3

15

X2

14

X1

12

X0

9

B

10

A

6

INH

TC74HC4052AF

NJM2267

D3

D2

D1

D0

Y

W

ST

GND

IC4

7

VCC

GND

2

VO2

VS2

VO1

VS1

VCC

D4

D5

D6

D7

A

B

C

COM-Y

COM-X

VDD

VSS

VEE

Cambridge Audio Azur 540R V2.0 AV Receiver

1

3

5

9

11

13

2

1

74HCU04D

14

7

1

VIN

GND

VOUT

3

3

VOUT

GND

VIN

2

2

4

6

8

10

12

IC1

KA7805

IC2

NJM7905FA

5

6

4

3

16

15

14

13

12

11

10

9

3

13

16

8

7

2

Y0

1

Y1

5

Z0

3

Z1

12

X0

13

X1

11

A

10

B

9

C

6

INH

IC3
TC74HC4053AF

4

Q1

5

Q2

6

Q3

7

Q4

14

Q5

13

Q6

12

Q7

11

Q8

9

QS

TC4094AFN

YCOM

ZCOM

XCOM

SDA

STR

CLK

OE

VDD

VSS

CS

VDD

VSS

VEE

15

4

14

16

8

7

2

1

3

15

16

8

10

NJM2581M

7

PowerSave

GND

8

24

VDD1

VSS1

1

23

2

RST

XtalIN

6

VEE3

6dB

DR

VOUT3

22

CDCLK

XtalOUT

3

5

Vin3

9

21

CTRL2

CTRL1(mute)

4

V+3

10

20

19

SEPin

SEPout

LC74786M

HFTONout

OSCin

6

5

4

VEE2

6dB

DR

VOUT2

18

SEPc

OSCout

7

3

Vin2

V+2

11

17

16

SYNin

SYNCjdg

8

9

12

15

VDD1

CS

10

VEE1

VOUT1

14

CVin

IC5

SCLK

11

2

6dB

DR

13

VSS2

SIN

Vin1

V+1

13

CVout

VDD2

12

1

IC4

14

To enhance viewing, please print to A3 39

IC Pin Layout Details (1 of 2)

Cambridge Audio Azur 540R V2.0 AV Receiver

55

61

60

54

56

64

63

62

59

12

11

10

50

49

48

47

46

45

44

43

42

38

57

58

2

3

1

7

8

9

6

RMCK

SAI_SCLK

SAI_LRCK

SAI_SDOUT

CX_SCLK

CX_LRCK

CX_SDOUT

CX_SDIN1

CX_SDIN2

CX_SDIN3

CX_SDIN4

OMCK

RESET

SCL/CCLK

SDA/CDOUT

INT

AD1/CDIN

AD0/CS

VLC

TXP

RXP0

RXP1_GPO1

RXP2_GPO2

RXP3_GPO3

RXP4_GPO4

RXP5_GPO5

RXP6_GPO6

RXP7_GPO7

MUTEC

ADCIN2

ADCIN1

DA/AD

53

51

VD4VD

VLS

IC9 CS42518-CQ

DGND

5

DGND

52

41

VARX

AOUTA1+

AOUTA1-

AOUTB1+

AOUTB1-

AOUTA2+

AOUTA2-

AOUTB2+

AOUTB2-

AOUTA3+

AOUTA3-

AOUTB3+

AOUTB3-

AOUTA4+

AOUTA4-

AOUTB4+

AOUTB4-

AINL+

AINL-

AINR+

AINR-

FILT+

REF GND

LPFLT

AGND

AGND

24

VA

36

37

35

34

32

33

31

30

28

29

27

26

22

23

21

20

15

16

14

13

17

VQ

18

19

39

25

40

CMPREQ_LRCLKN2

XMT958_AUDATA3

CLKIN

30

35

42

38

40

SL-VI

CB-VI

SW-VI

34

FLT2

VA

CLKSEL

FLT1

MCLK

SCLK

STCCLK_SCLKN1

CMPCLK_SCLKN2

LRCLK

LRCLKN1

SDATAN1

AUDATA0

AUDATA1

AUDATA2

64

44

62

C-VI

FL-VI

FR-VI

SR-VI

VOL

TO DSP-L24TO DSP-R23AGND

32

31

33

44

43

25

28

42

26

29

22

27

41

40

39

3

70

AGND

71

VEE

60

TRE2

59

TRE1

58

BAS4

57

BAS3

56

BAS2

55

BAS1

61

AGND

54

FR-O

53

FL-O

52

AGND

51

C-O

50

SR-O

49

SL-O

48

CB-O

47

AGND

46

SW-O

45

AGND

69

72

VCC

TREBLE

BASS

LOGIC

DGND66MUTE67CLK68DATA

25

IC18

LD1117S3.3(SOT-223)

2

34

EA#35P0.736P0.637P0.538P0.439P0.340P0.241P0.142P0.0

DNU

33

ALE/PROG#

32

PSEN#

31

P2.7

30

P2.6

29

P2.5

SM5964C40J(PLCC44)

28

P2.4

27

P2.3

26

P2.2

25

P2.1

24

P2.0

23

2

SDA

1

STR

3

CLK

15

OE

16

VDD

8

VSS

IC13

10

CS

32

3

A15

2

30

24

21

20

19

18

17

15

14

13

VCC

A16

A17

OE

Q7

Q6

Q5

IC5

Q4

Q3

Q2

Q1

Q0

12

IC11

XTAL1

XTAL2

GND22GND

19

20

21

4

Q1

5

Q2

6

Q3

7

Q4

14

Q5

13

Q6

12

Q7

11

Q8

TC4094AFN

9

QS

1

VPP

31

PGM

16

GND

27

A8

26

A9

23

A10

25

A11

4

A12

28

AT27C020

A13

29

A14

22

CE

A75A66A57A48A39A210A111A0

43

44

VCC

1

DNU

2

P1.0

3

P1.1

4

P1.2

5

P1.3

6

P1.4

P1.5

P1.6

P1.7

RESET

P3.011NC12P3.113P3.214P3.315P3.416P3.517P3.618P3.7

IC10

1
2
3
4
5

7

20

VCC

19

Q1

18

Q2

17

Q3

16

Q4

15

Q5

14

Q6

13

Q7

12

Q8

11

CLK

IA

VCC
QA
IB
QB
IC
QC6ID
GND

IF

QF

IE

QE

74LVU04D

QD

OE

D1

D2

D3

D4

D5

D6

D7

D8

IC6S N74HC57 4DW

GND

14
13
12
11
10
9
8

1

2

3

4

5

6

7

8

9

10

DGND SDA

7

8

9

10

A0

A1
A2

V OUT

1
2
3
4 5

33

26

27

28

29

30

31

32

15

16

17

18

19

20

21

36
22

74
75

76
77

78
79

73
80

GND

1

AT24C01

IC12

AGND

6.1CH
SELECT

DSP-FR

DSP-FL

DSP-C

DSP-SR

DSP-SL

DSP-CB

DSP-SW

DVD-FR

DVD-FL

DVD-C

DVD-SR

DVD-SL

DVD-CB

DVD-SW

AGND
AGND

A-R I/O
A-L I/O

TAPE-RO
TAPE-LO

VIDEO-RO
VIDEO-LO

AGND
AGND

VIN

8
7
6

VCC

WP

SCL

37

38

3

6

18

4

17

16

15

14

11

10

9

8

21

5

20

36

19

7

65

63

FL-SO

FR-SO

INPUT
SELECT

AGND

1

1

DD

VD1

DC

SCDIN_A1

SC

WR_DS_EMWR_GP IO10

EMAD0_DATA0_GPIO0

EMAD1_DATA1_GPIO1

EMAD2_DATA2_GPIO2

EMAD3_DATA3_GPIO3

EMAD4_DATA4_GPIO4

EMAD5_DATA5_GPIO5

EMAD6_DATA6_GPIO6

EMAD7_DATA7_GPIO7

EXTMEM_GPIO8

RD_R/W_EMOE_GPIO11

INTREQ_ABOOT

RESET

SCDIO_SCDOUT_PSEL_GPIO9

SCCLK_A0

41

43

C-SO

SR-SO

ING SW

CD-RI2CD-LI3MD/DAT-RI4MD/DAT-LI5TAPE-RI6TAPE-LI7TUNER-RI8TUNER-LI9VIDEO-RI10VIDEO-LI11PHONO-RI12PHONO-LI

12

VD2

IC8

CS493263-CL

DSP

DGND2

DGND12AGND35DGND3

13

39

SL-SO

24

37

34

CB-SO

SW-SO

IC17

BD3816K1

13

23

VD3

CMPDAT_RCV958_SDATAN2

AGND

14

To enhance viewing, please print to A3 40

IC Pin Layout Details (2 of 2)

Cambridge Audio Azur 540R V2.0 AV Receiver

PF015 111094000160 2SA940
PF016 112081700140 2SB817
PF017 113207300160 2SC2073

RB649DS2810FP
PF019 114104700130 2SD1047
PF024 4000 1355 1000 EI 35 standby transformer (sames as 540R V1)
PF034 7531-1040-0000 Right support 540R
PF035 7531-1050-0000 Left support 540R

5072CS2rotsisnarT140FP
PF050 4000 1015 0000 540R V2 Mains transformer CU
PF051 4000 1015 0000 540R V2 Mains transformer EU
PF052 0054 1016 4000 540R V2 Decode PCB complete
PF053 9800 0003 0001 540R V2 Tuner box EU
PF054 9800 0003 0001 540R V2 Tuner box CU
PF055 0054 1014 2000 540R V2 YUV PCB complete
PF056 small cover over f/p inputs 540R V2 AV3 front cover
PF057 UPD16311 540R V2 U2 display driver IC
PF058 IC5 OSD 540R V2 LC7486M 
PF059 IC 11 MCU (USA version)
PF060 IC11 MCU (Europe version)
PF061 IC17 volume 540R V2 BD3816K1 
PF062 VR3 master volume encoder 540R V2 EC16B241047AA
PF063 0054-1303-2005

PF065 LC74786M IC LC74786M for 540R V2
PF066 0054-1030-0004 Display PCB for 540R V2
PF071 1350-0006-3014 6A3 540R (diode zeener)
PF072 9800-0003-0111 540R V2 Tuner Module (RBDS) CU version

PF074
PF076 IC4 on YUV PCB NJM2581M for 540R V2
PY1109
PY713 6554-150004-000-01 SIDE COVER (RIGHT) (BLACK)
PY714 6554-150004-000-02 SIDE COVER (RIGHT) (SILVER)
PY715 6554-150005-000-01 SIDE COVER (LEFT) (BLACK)
PY716 6554-150005-000-02 SIDE COVER (LEFT) (SILVER)
PY717 6554-150003-000-01 TOP COVER (BLACK)
PY718 6554-150003-000-02 TOP COVER (SILVER)

IC9 on Coax PCB 74HCU04D IC for 540R V2

9802-054000-101

540R V2 SM5964C40J (programmed for CU version)
540R V2 SM5964C40J (programmed for EU version)

540R V2 Main Board

2VR045ROFREVLISREVOCTNORF3VA460FP

XW5/72.0rotsiseR2VR045370FP

540R V2 remote control

krowlatemlenaptnorfrevliS8611YP
krowlatemlenaptnorfkcalB9611YP

Spare Parts Exploded Diagram

41