Cambridge Audio azur 540R V2.0 User manual

Gallery Court Hankey Place London SE1 4BB UK
Tel: [phone] Fax: [phone]
540R V2.0
First Issue Date: 29th June 2006
Second Issue Date: 9th October 2006
SERVICE MANUAL
SPECIFICATIONS:
Audio Section
Power Output Front 100W RMSx2(8ohm, 1% THD)
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)
Output Impedance Front (L/R) 8 ohm
Centre 8 ohm
Surr. (L/R) 8 ohm
Surr. Back 8 ohm
THD (unweighted) less than 0.05%
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
AP19914/3
Third Issue Date: 02nd February 2007
1

540R V2.0 SERVICE MANUAL
TABLE OF CONTENTS
Front Panel Information 3
RemoteControl 4
Remote Control Function 5
Rear Panel Information 6
Exploded Diagram 7
Exploded Diagram Parts List 8-9
PCB Interconnect Diagram 10
Decoder PCB Schematic 11-13
Decoder PCB Board Layout 14-15
Main Board – Power Supply PCB Schematic 16
Power Output & Speaker Protection 17
Main/Video Out/Speaker Connections PCB Board Layout 18
OSD PCB Schematic 19
OSD / Co-axial in/out / Connect Board B / Control Bus) 20-21
YUV PCB Schematic 22
YUV PCB Layout 23
Input / Outputs PCB Schematic 24
Display Board PCB Schematic 25
Display / Volume / AV3 PCB Layout 26
Co-axial in/out / Control Bus PCB Schematic 27
Connect Board B 28
Connect Down PCB 29-30
AC Input / Relay / Headphones PCB Schematic 31
AC Relay / Headphones PCB Layout 32
Bill of Materials 33-38
IC Pin Layout Details 39-40
Serviceable Parts List 41
2

Cambridge Azur 540R V2.0 AV Receiver
Front Panel Information
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20 21
Standby/On
Phones - Tuning + Mode/Store
Stereo Dolby Digita l EX
DTS ES
Pro Logic /
Neo 6
DSP
Mode
Inpu t
Mode
Video Left Right
Vide o 3 In pu ts
Vo lum e
azur 540R
AV Recei ver
DVD Vide o 1 Video 2 Video 3 Tu n e r F M / A M Tape/MD/CDR CD/Aux 6.1 Dire ct
NO. & NAME DESCRIPTION NO. & NAME DESCRIPTION
1. Standby/On The power amplifier is in standby mode,
indicated by the stand by indicator.
12. Video 3 Inputs Input for VCR, Video Camera Recorder,
etc. contains one video input and
Analog Left and Right inputs.
2. Standby Indicator 13. V olume 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
modes above) for 5 seconds brings up
the “MEM” icon and display the next
available preset for storing the current
frequency.
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.
6.Stereo With the unit in the STEREO mode,
only front left and front right speakers
and Subwoofer are working.
17. V ideo 3 When you want to use Video 3 inputs,
pressing this button to activate this
function.
7.Dolby Digital EX
DTS ES
Digital Surround Mode 18. T uner FM/AM
8.Dolby
Pro Logic II
/NEO 6
Surround modes for analog sources 19. Tape/MD/CDR Press this button when operating the tape
deck.
9.DSP Mode Press this button to choose one of the
following surround modes: THEATER,
HALL, PASSTHRU, MOVIE, MUSIC
and ROOM.
Analog or digital
20. CD/Aux 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.
10.Input Mode Press this button to select input modes:
ANA, OPT and COAX when using
digital in.
21. 6.1 Dir ect Press this button to select the 6.1
analogue input.
11. Remote Sensor
To listen to the radio broadcast, press this
button to activate this function, press
again to switch waveband.
3

Cambridge Azur 540R V2.0 AV Receiver
Remote Control
1
5
8
11
13
16
19
23
26
29
21
25
22
18
17
12
9
6
3
2
10
30
7
20
4
14 15
24
28
27
4

NO. & NAM E DE SCR I PT ION NO. & NAM E DE SCR IPT ION
1.
Power On/Standby
Pressthisbuttontoturnthisunitonor
off.
16.
/Volumeup
-Directionbutton.
- Press these buttons to increase the
volume.
2.
InputMode
Press it to select: 17.
/Tunedown
- Direction button.
- T uner f requency down.
3.
Ster eo
With this unit in STEREO mode, only
FrontLeft& FrontRightspeakersand
Woofer have output.
18.
Enter
Press this button when you want to enter
the OS D setup menu.
4.
PL II / NEO 6
When receivingAnalog/digital PCM
signals.
19.
/Tuneup
-Directionbutton.
- T uner frequency up.
5.
DD EX /DTS ES
For digital surround signals 20.
/ V olume down
-Directionbutton.
- Press these buttons to decrease the
volume.
6.
DSP MODE
Press thi s button to choose one of the
following surround modes: THEATER,
HALL, PASSTHRU, MOVIE, MUSIC
and ROOM.
21.
Tuner AM/FM
Press thi s button to alternate between F M
and A M .
7.
Dynamic
Press this button repeatedly to reach your
desired compression dynamic range.
22.
B ass/ T reble
Press this button for B ass / T r eble
adj ustment, then press V ol up and V ol
down to adjust the level.
8.
LFE Trim
Under the Pro L ogic 5.1CH or DT S
5.1C H mode, press this button and adjust
thevolumetosettheLowFrequency
output level
23.
6.1 Dir ect
Press thi s button to select the 6.1 anal ogue
input.
9.
Test Tone
T o bal ance speak ers i n D ol by D i gi tal or
Dolby Pro Logic mode.
24.
PTY
I n F M state, press this button, the current
program type appears on the display, using
T uni ng +/- to sel ect the program type you
desire.
10.
CH Select
Select channels by pushing this button,
thenusevolumekeytobalancespeakers
25.
APS
Allocates and memorizes radio stations
automatically.
11.
Sub On/Off
Press thi s button to turn on/off the output
of subwoofer.
26.
Display
With R D S , press this button repeatedly to
have PS ( program name) or C T ( current
time).
12.
Delay
Press thi s button to set the delay time for
the Dolby digital/Dolby Pro Logic modes.
27.
Ster eo / M ono
Press thi s button to alternate between
Stereo and M ono mode when listen to F M
broadcast.
13.
SPK Setup
Under PRO LOGIC II or Digital state, it
can change the desi red S peak er S etti ng
shownonthedisplay.
28.
Store
Pressing thi s button to store the current
frequency.
14.
OSD
Press this button to access the AV
Receiver configuration settings by using
the OS D menus.
29.
Mode
Pressing this button to select A uto /M anual
tuning mode and Preset mode.
15.
Mute
Press thi s button to mute the sound, push
again to cancel the mute function.
30.
I nput S el ector
Press the corresponding button according
to your desired sel ection.
Cambridge Audio Azur 540R V2.0 AV Receiver
Remote Control Function
Digital or Analog mode.
5

Cambridge Azur 540R V2.0 AV Receiver
Rear Panel Information
1 2 3 4 5 6 87 10 11 12 13
141516171819 18
9
1. FM / AM 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 Video out ….. using the RCA cable to connect this terminal to the corresponding terminal on the TVset.
3. S-V ideo 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 omposite V ideo 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 omponent V ideo In
DVD ….. connect to the Cr Cb Y terminal of a DVD player.
V ideo 1 / V ideo 2 ….. connect to the Cr Cb Y terminal of external players.
11. C omponent V 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 Direct 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 / V ideo 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.
6

Cambridge Audio Azur 540R V2.0 AV Receiver
Exploded Diagram
To enhance viewing, please print to A3 7

Cambridge Audio Azur 540R V2 AV Receiver
Spare Parts Exploded Diagram
krameR.ytQnoitpircseD.ONtraP.leS
1 6531 1010 0011 VOLUMN KNOB AL SKIN 1
1BONKNMULOVPMA0000040113372
1revoc3VA1900001113973
86X0.3BTBWERCS00006
00341054
1SNELYALPSID0800010113475
1LENAPLA1220010113066
1EDIUGTHGILPMA0000030113477
8 5331 1010 0000 SCALEBOARD 1
01NMULOCBCP00000201
13979
10 7631 1010 0000 MR CONTROL BOX BUTTON CUSHION 1
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
514X0.3BTBWERCS00014003110581
1SNELRI00000201134791
20 0054 1030 0004 VOLUMN PCB 1
21 0054 1030 0004 DISPLAY PCB 1
1NOITAROCED11000101139722
23 0054 1083 2005 AV3 PCB 1
4DAPTOOF1000060113
9742
4TOOF11000501139752
48X0.3MB00018003210562
27 7531 1040 0000 540R front support right assy 1
1)THGIR(REVOCEDIS11000201134682
29 7531 1050 0000 540R rear support right assy 1
30 7531 1020 0000 540R front support left assy 1
88X6.2BTBWERCS000080624
10513
1)TFEL(REVOCEDIS11000101134623
1REVOCPOT11000101131633
88X6.2MBWERCS00018062810543
646X0.3BTBWERCS0
0016003110553
1yssatfeltroppusraerR04500000301135763
37 0054 0110 1001 FUSE PCB 1
401=HNS01-SBC00000000117883
1REVOCMOTTOB1100010113
2693
1CVPBCP01050040807704
76=HNS6-SBC00000006017814
204=H283-TDDK00000000437824
242=LTLOB00000301139534
2
23=LTLOB00000101139544
1NAF13233152201954
2)3Hx4Dx01D(HSAW00000701139764
103=HNS03-SBC00000000317874
8

Cambridge Audio Azur 540R V2 AV Receiver
Spare Parts Exploded Diagram
2TEKCARBNAF00000301133584
1TEKCARBBCPEDOCED00000601133594
2TEKCARBKNISTAEH00000201133505
1KNISTAEH000001
01131515
2NMULOCKNISTAEH00000201139525
53 0054 1003 2005 MAIN PCB 1
54 5040 8000 0001 WASH 28
1TLOB04000808510555
56 5331 1050 0011 TRANSFORMER BRACKET 1
428X0.3BTBWERCS00018003110575
58 5020 3006 0360 NUT 22.3
59 5040 0300 0000 SPRING WASHER 20.3
60 5030 0800 3210 WASH 3.2 x 8.0 x 1.0mm 2
1REMROFSNART00005101000416
62 5020 8012 0201 NUT 18
13MREHSAWGNIRPS10000003040536
1LAERUTAREPMET00000501139546
65 0054 1140 1002 YUV PCB 1
248x0.3APWERCS0008003310566
1REVOCKCAB1110
0301133676
68 0054 1241 1006 OSD PCB 1
69 0054 1233 2005 OUTPUT PCB 1
70 0054 1381 2006 COAX PCB 1
1XOBRENUT10003000008917
72 0054 1280 1005 DECODE PCB 1
73 0054 1321 3006 CONNECT PCB(T) 1
74 0054 1321 0003 CONNECT PCB(B) 1
1BCP232S00003229450057
76 0054 1221 4006 CONTROL PCB 1
1REMROFSNARTSBTS00015531000477
9

Cambridge Audio Azur 540R V2 AV Receiver
PCB Interconnect Diagram
Power Cord in
2P CN3
FAN
2P CN2
2P CN3
2P CN4
2P CN1
3P CN5 3P CN11
2P CN9
2P CN8
2P
CN6
2P
CN22
3P CN21
3P3P
3P CN2
2P CN4
2P
CN1
2P
CN23
3P
CN7
3P
CN7
3P
4P
J200
4P
CN17 2P
CN1
6P
CN5
6P
J1
16P J2
16P CN5
7P
J1
7P
CN10
5P
J2
5P
CN2
5P
13P CN4
13P CN1
5P
CN3
5P
CN5
7P
CN6
7P
CN1
6P
CN3
6P
CN2
6P
CN5
6P
2P
3P
7P
CN20
10P
CN16
2P CN4
2P
HEAT-VARIABLE
RESISTOR
Transformer
Transformer
Earphone
Board
Display Board AV3 Board
Volume
Board
Main Board
Decoder Board
Relay Board
YUV
Board
Remote
Board Speaker Board
Switch
Board
Coaxial
Board
OSD Board
Upgrade
Board
Tuning
Board
10

Cambridge Audio Azur 540R V2.0 AV Receiver
Decoder PCB Schematic (1of 3)
C29
104 C30
104
C28
104
+C2
10/16
+C1
10/16
9'
R59 33K
R13 10K
R1
3.3K
R1110K R53
4.7K
R554.7K R12
10K
R54
4.7K
R564.7K
C31
104
C32
104
C33
104
C34
104
C35
104
C84
471
+
C70
2.2/50
+
C71
2.2/50
+
C72
2.2/50
+C73
2.2/50
+C75
47/25
DGND
L1
FB
R100
33
R103 33
R93 33
R101 33
R102 33
R60
47K
R9933
R91 33
R92 33
R9633 R9833
R910K R710K
R4
10K
R6
10K
R10
10K
R810K R510K
R3
10K
C89
100P
OE 1
D1 2
D2 3
D3 4
D4 5
D5 6
D6 7
D7 8
D8 9
GND 10 CLK
11
Q8
12
Q7
13
Q6
14
Q5
15
Q4
16
Q3
17
Q2
18
Q1
19
VCC
20
,& 61+&':
Q0
13
Q1
14
Q2
15
Q3
17
Q4
18
Q5
19
Q6
20
Q7
21
OE
24
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
A8 27
A9 26
A10 23
A11 25
A12 4
A13 28
A14 29
CE 22
A15
3
A16
2
A17
30
VCC 32
VPP 1
PGM 31
GND 16
IC5
AT27C020
OE 1
D1 2
D2 3
D3 4
D4 5
D5 6
D6 7
D7 8
D8 9
GND 10
CLK
11
Q8
12
Q7
13
Q6
14
Q5
15
Q4
16
Q3
17
Q2
18
Q1
19
VCC
20
,& 61+&':
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND DGND DGND DGND
DGND
DGND AGND
R90 33
DGND DGND
DNU 1
P1.0 2
P1.1 3
P1.2 4
P1.3 5
P1.4 6
P1.5 7
P1.6 8
P1.7 9
RESET 10
P3.0
11
NC
12
P3.1
13
P3.2
14
P3.3
15
P3.4
16
P3.5
17
P3.6
18
P3.7
19
XTAL1
20
XTAL2
21
GND
22
GND
23
P2.0
24
P2.1
25
P2.2
26
P2.3
27
P2.4
28
P2.5
29
P2.6
30
P2.7
31
PSEN#
32
ALE/PROG#
33
DNU 34
EA# 35 P0.7 36 P0.6 37 P0.5 38 P0.4 39 P0.3 40 P0.2 41 P0.1 42 P0.0 43
VCC 44
IC11
SM5964C40J(PLCC44)
R31 10K
R30 10K
R29 10K
R28 10K
R27 10K
R26 10K
R25 10K
R24 10K
R32
10K
C106
del
C105
del
C45
104
C47
104
C46
104
+
C96
100/10
+
C3
10/16
+C4
10/16
+
C95
100/10
Z2
del
R105
2.4K
R17
10K
R45 10K
R44 10K
R109
del
R111
del
R43 10K
R42 10K
R23 10K
R48 10K
R19 10K
R15 10K
R16 10K
R39 10K
R49 10K
Q2
C3361
R114 220
R115
1%1.5K
R116 1%560
Q1
C3361
R113
1%750
R117 2K
DGND
R18 10K
R14 10K
DGND
DGND
R9733
1
2
3
4 5
6
7
8
IC12
AT24C01
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R47 10K
C92
102
C107
563
C43
104
C44
104
+C97
100/10
+
C74
2.2/50
C38
104 C40
104
+C94
100/10
C37
104
C39
104
+C93
100/10
C36
104
L2
FB
R104 33
R94 33
R41 10K
R40 10K
R21
10K
R22
10K
C91
102
L5
FB
LS-
LS+
FR-
FR+
FL-
FL+
SURR R-
SURR R+
SURR L-
SURR L+
RS-
RS+
C-
C+
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LEF+
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1
QA
2
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3
QB
4
IC
5
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IF 13
QF 12
IE 11
QD 8
VCC 14
GND
7
QE 10
IC10
74LVU04D
R2
3.3K
R108
220
C104
30P
C103
30P
C41
104
+
C76
47/25
Z1
12.288MHz
5VD
C90
102
R112 8.2K
R20
10K
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10P
CN6
10P2.0(540R-V2 7P2.0)
$*1'
AGND
VOL-DATA
DGND
VOL-CLK
R106 2.4K
3
RESET
36
INTREQ_ABOOT
20
SCCLK_A0
7
SCDIO_SCDOUT_PSEL_GPIO9
19
DC
38
DD
37
VD1 1 VD2 12 VD3 23
VA 34
SC
18
SCDIN_A1
6
DGND2
13
DGND1
2
AGND
35
DGND3
24
EMAD0_DATA0_GPIO0
17
EMAD1_DATA1_GPIO1
16
EMAD2_DATA2_GPIO2
15
EMAD3_DATA3_GPIO3
14
EMAD4_DATA4_GPIO4
11
EMAD5_DATA5_GPIO5
10
EMAD6_DATA6_GPIO6
9
EMAD7_DATA7_GPIO7
8
EXTMEM_GPIO8
21
WR_DS_EMWR_GPIO10
4
RD_R/W_EMOE_GPIO11
5
MCLK 44
SCLK 43
LRCLK 42
AUDATA0 41
AUDATA1 40
AUDATA2 39
XMT958_AUDATA3 3
CMPCLK_SCLKN2 28
STCCLK_SCLKN1 25
LRCLKN1 26
CMPREQ_LRCLKN2 29
CLKSEL 31
FLT2 32
FLT1 33
CMPDAT_RCV958_SDATAN2 27
SDATAN1 22
CLKIN
30
IC8
CS493263-CL
&B$ &B$ &B$
3
22 11
CN1
2P2.5
DGND
R34 10K
R35 10K
R36 10K
R37 10K
DGND1
9'
'9
'9 9' 9'
3 3 3 3 3 3 3
DGND
C48
104
+C77
47/25
C49
104
Q3
C3361
R50
10K
Q4 A950
TU-L
TU-R
AGND
AGND AGND
AGND
AGND
12V
TU+12V
11 22 33 44 55
CN2
5P2.0
R33 10K
DGND
MCU
DSP
MUTE
9
7;'
5;'
'*1'
757*
26'6,1
26'6&/.
26'&6
67%
DGND
Q5 14
Q6 13
Q7 12
Q1 4
Q2 5
Q3 6
Q4 7
Q8 11
QS 9
CS
10
CLK
3
SDA
2
STR
1
OE
15
VDD
16
VSS
8
,& 7&$)1
DGND1 DGND1 DGND1
AGND
AGNDAGND AGND
AOUTA1+ 36
AOUTA1- 37
AOUTB1+ 35
AOUTB1- 34
AOUTA2+ 32
AOUTA2- 33
AOUTB2+ 31
AOUTB2- 30
AOUTA3+ 28
AOUTA3- 29
AOUTB3+ 27
AOUTB3- 26
AOUTA4+ 22
AOUTA4- 23
AOUTB4+ 21
AOUTB4- 20
MUTEC
38
AINL+ 15
AINL- 16
AINR+ 14
AINR- 13
VQ 17
FILT+ 18
REF GND 19
LPFLT 39
AGND 40
AGND 25
DGND
52
DGND
5
VLC
6
VD 4 VD 51
VARX 41
VA 24
RMCK
55
SAI_SCLK
61
SAI_LRCK
60
SAI_SDOUT
54
CX_SCLK
2
CX_LRCK
3
CX_SDOUT
56
CX_SDIN1
1
CX_SDIN2
64
CX_SDIN3
63
CX_SDIN4
62
RESET
12
SCL/CCLK
7
SDA/CDOUT
8
INT
11
AD1/CDIN
9
AD0/CS
10
RXP7_GPO7
42
RXP6_GPO6
43
RXP5_GPO5
44
RXP4_GPO4
45
RXP3_GPO3
46
RXP2_GPO2
47
RXP1_GPO1
48
RXP0
49
TXP
50
VLS 53
OMCK
59
ADCIN2
57
ADCIN1
58
IC9 CS42518-CQ DA/AD
R46
10K
DGND1
3
3
729,'(2%5'
72237%5'
DGND
'63'$B5(6(7
R118
22K
R107
2.4K
3212))
316:
72',6%5'
D3
4148
D2
4148
D1
4148
MUTE
DGND
DGND DGND
DGND
C42
104
DVD/DSP
'9''63
6<9'(/ 11
22 33 44 55
CN3
5P2.0
R110
33
JP1
0
DGND
JP2
0
JP3
0
JP4
del
JP5
0
3816 MUTE
R246
10K
R251
22K
Q8
A1131
R249
10K
SUB MUTE
Q9
C3361
R252
10K
DGND
11 22 33
CN8
3P2.0
DGND
,5
9
'*1'
12_NC3
12_NC2
12_NC1
11NC34
11NC33
11NC32
11NC12
11NC1 13NC9
R262 220
R263 220
R264 220
R265 330
L6
FB
VIN 3
GND
1
VOUT
2
IC18
LD1117S3.3(SOT-223)
DGND1
To enhance viewing, please print to A3 11

Cambridge Audio Azur 540R V2.0 AV Receiver
Decoder PCB Schematic (2 of 3)
2
3
1
4
IC1A
2068
R201
2.94K
C158
182
R218 6.19K
C183 390
AGND
R177
5.49K
R185
1.65K
R209
887
R193
1.87K
C150
562
AGND
+C165
22/16
AGND
6
5
7
8
IC1B
2068
R202
2.94K
C159
103
R217 6.19K
C182 473
AGND
R178
5.49K
R186
1.65K
R210
887
R194
1.87K
C151
104
AGND
+C166
22/16
AGND
2
3
1
4
IC2A
2068
R203
2.94K
C160
182
R221 6.19K
C185390
AGND
R179
5.49K
R187
1.65K
R211
887
R195
1.87K
C152
562
AGND
+C168
22/16
AGND
6
5
7
8
IC2B
2068
R204
2.94K
C161
182
R220 6.19K
C184 390
AGND
R180
5.49K
R188
1.65K
R212
887
R196
1.87K
C153
562
AGND
+C169
22/16
AGND
2
3
1
4
IC3A
2068
R199
2.94K
C156
182
R215 6.19K
C181 390
AGND
R175
5.49K
R183
1.65K
R207
887
R191
1.87K
C148
562
AGND
+C164
22/16
AGND
6
5
7
8
IC3B
2068
R200
2.94K
C157
182
R216 6.19K
C180 390
AGND
R176
5.49K
R184
1.65K
R208
887
R192
1.87K
C149
562
AGND
+C167
22/16
AGND
2
3
1
4
IC4A
2068
R206
2.94K
C163
182
R219 6.19K
C187 390
AGND
R182
5.49K
R190
1.65K R214
887
R198
1.87K
C155
562
AGND
+C171
22/16
AGND
6
5
7
8
IC22B
2068
C64
104
AGND
C65
104
AGND
C67
104
AGND
C66
104
AGND
C62
104
AGND
C63
104
AGND
C69
104
AGND
C68
104
AGND
-7V
+7V
LS-
LS+
FR-
FR+
FL-
FL+
SURR R-
SURR R+
RS-
RS+
C-
C+
LEF-
LEF+
BL
C172
122
AGND
C173
122
AGND
C179
122
AGND
C175
122
AGND
C174
104
AGND
C176
122
AGND
C177
122
AGND
+
C5
10/16
+
C6
10/16
+
C25
10/16
R63
47K
R131
1K
+
C14
10/16
R66
47K
R127
1K
AGND
+
C15
10/16
R62
47K
R128
1K
+
C24
10/16
R64
47K
R130
1K
+
C23
10/16
R65
47K
R129
1K
R205
2.94K
C162
182
R222 6.19K
C186 390
AGND
R181
5.49K
R189
1.65K R213
887
R197
1.87K
C154
562
AGND
+C170
22/16
AGND
SURR L-
SURR L+
BR
C178
122
AGND
+
C27
10/16
R132
1K
+C13
10/16
+C12
10/16
+C11
10/16
+C10
10/16
+C9
10/16
+C8
10/16
+C7
10/16
+
C82
47/25
+
C83
47/25
C122
104
C123
104
AGND
BL/BS
FL
FR
LS
RS
SW
C
GND GND GND GND
VIDEO2 L VIDEO3 L
VIDEO3 R
DVD R
DVD L
VIDEO1 L
TAPE R
CD/AUX R CD/AUX L
TAPE L
BASS
TREBLE
CD-RI
2
CD-LI
3
MD/DAT-RI
4
MD/DAT-LI
5
TAPE-RI
6
TAPE-LI
7
TUNER-RI
8
TUNER-LI
9
VIDEO-RI
10
VIDEO-LI
11
PHONO-RI
12
PHONO-LI
13
AGND
1
AGND
14
A-R I/O
74
A-L I/O
75
TAPE-RO
76
TAPE-LO
77
VIDEO-RO
78
VIDEO-LO
79
AGND
80 AGND
73
ING SW
INPUT
SELECT VOL
DSP-FR
26
DSP-FL
27
DSP-C
28
DSP-SR
29
DSP-SL
30
DSP-CB
31
DSP-SW
32
FR-O 54
FL-O 53
SW-O 46
AGND 47
CB-O 48
SL-O 49
SR-O 50
C-O 51
AGND 52
BAS1 55
BAS2 56
BAS3 57
BAS4 58
TRE1 59
TRE2 60
AGND 61
DVD-FR
15
DVD-FL
16
DVD-C
17
DVD-SR
18
DVD-SL
19
DVD-CB
20
DVD-SW
21
FR-VI 64
FR-SO 65 FL-SO 63
FL-VI 62
C-SO 43
C-VI 44
SR-VI 42
SR-SO 41 SL-SO 39
CB-SO 37
SW-SO 34
SW-VI 35
CB-VI 38
SL-VI 40
TO DSP-L
24 TO DSP-R 23
AGND
25
AGND
22
AGND
33
AGND
36
AGND 45
VCC 72
VEE 71
AGND 70
DGND
66
MUTE
67
CLK
68
DATA
69
LOGIC
6.1CH
SELECT
IC17
BD3816K1
+C16
10/16
+
C17
10/16
+
C18
10/16
+
C22
10/16
+
C21
10/16
+
C20
10/16
+
C19
10/16
R160
68K
R161
68K
R164
68K
6
5
7
8
IC4B
2068
R162
68K
R225 4.7K
C147
333
C190
331
C128
104
R166
68K
R224
6.8K
R163
68K
R165
68K
LEF
+C137
100/16
+C136
100/16
AGND
AGND
AGND
AGND
AGND
AGND
AGND AGNDAGND
C130
104
R152
150
R154
150
R157
150
R158
150
12V
-12V
R223
2.2K
AGND
R126
1K
R125
1K
AGND
AGND
AGND
AGND
BR in
VIDEO R
VIDEO1 R
AGND
R70
47K
R73
47K
R69
47K
R71
47K
R72
47K
R78 47K
R79 47K
R80 47K
R81 47K
R82 47K
R83 47K
R84 47K
R85 47K
R86 47K
R87 47K
R88 47K
R89 47K
DVD BR
DSP BR
AGND
+C135
100/16
+C134
100/16
R151 150
R153
150
R156
150
R155
150
AGND
BR OUT
AGND AGND
C124
104
R57
4.7K
R58
4.7K
C125
104
C126
104
C127
104
AGND
AGND
C189
472
C188
472
AGND
VOL-DATA
VOL-CLK
3816 MUTE
L-O
R-O
R76 47K
R77 47K
TU-R
TU-L
7.1 CH USE
VOL
R68
47K
R67
47K
R75
22K
R74
47K
R167
68K
+
C26
10/16
AGND
2
3
1
4
IC22A
2068
AGND
C129
104
R245220
R232220 R231220 R230220 R229220 R228220 R227
220
R22633K R237220 R238220 R235220 R236220 R239220 R240220
R241220
R242
220
R243220 R244220 R234220 R233220
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
CN7
60P2.0*2
GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND
BR OUT
GND
6.1CH=56P
REC L REC R
SW OUT
BL/BS OUT
SL OUT SR OUT
C OUT
FL OUT
FR OUT
R247
2.2K
R250
100K
R248
10K
Q7
C3326
AGND
SUB MUTE
C191
104
AGND
-vv
C194
102
AGND
C195
102
AGND
C196
102
AGND
C201
104
AGND
C198
102
AGND
C197
102
AGND
C200
102
AGND
C199
102
AGND
To enhance viewing, please print to A3 12

Cambridge Audio Azur 540R V2.0 AV Receiver
Decoder PCB Schematic (3 of 3)
6
5
7
8
IC20B
2068
6
5
7
8
IC21B
2068
C85 471
R121
2.8K
R133 634
R141
90.9
R134
634
R135 634
R142
90.9
R51
10K
R145
332
R139
3.32K
R123
1K
C86 471
C50
104
C51
104
C52
104
+
C99
100/10
+
C98
100/10
C108
272M
AGND
AGND
AGND
AGND
2
3
1
4
IC20A
2068
2
3
1
4
IC21A
2068
C87 471
R122
2.8K
R136 634
R143
90.9
R137
634
R138 634
R144
90.9
R52
10K
R146
332
R140
3.32K
R124
1K
C88 471
C53
104
C54
104
C55
104
+
C101
100/10
+
C100
100/10
C109
272M
AGND
AGND
AGND
AGND
AINR+
AINR-
AINL+
AINL-
R-O
L-O
R119
1.5K
R120
1.5K
AGND AGND
AGND AGND
C56
104
C57
104
+
C102
100/10
1 3
2
IC16
KA7805A
5VA
AC1
V+
AC2
-V
D5
DB104G
AC1
V+
AC2
-V
D4
DB104G
+
C138
2200/16 C114
104
11
22
33
44
55
5P
J2
5P2.5
VIN
1
GND
2
VOUT 3
U1
KA7805
+
C141
100/10
C115
104
5VD
+
C139
3300/25
C118
104
VIN
1
GND
2
VOUT 3
U2
KA7812
+
C143
47/25
C120
104
+
C140
3300/25
C121
104
+
C144
47/25
C119
104
VIN
2
GND1
VOUT 3
U4
KA7912A
12V
-12V
R169
1W/0.22(RF)
R170
1W/0.22(RF)
R168 1W/0.22(RF)
I
3
A
1
O2
U3
LD1117DT25
C116
104
+
C142
47/25 C117
104
AGND
2.5VD
AGND
2.5V
5VD
DGND
DGND
IN 1
1
IN 2
3
AGND
2
AGND
4
VEE
5
AGND
6
VCC
7CLK 8
DATA 9
MUTE 10
DGND 11
SEL 12
OUT 2 13
OUT 1 14
LOGIC
IC15
BD3812F
Y1
1
Y0
2
VEE 7
VSS
8
YCOM 15
VDD
16
X1
13
X0
12
XCOM 14
Z1
3
Z0
5
ZCOM 4
A11
B10
C9
INH
6
IC14
TC4053BF
7.1 CH USE
DVD BR
DSP BR
VOL-CLK
VOL-DATA
+
C131
10U/16
R159
68K
BR
AGND
BR OUT
3816 MUTE
C112
104
C113
104
AGND
AGND
R61
820K
AGND
C111
104
C110
104
AGND
DVD/DSP
AGND
AGND
Q6
C2120
Q5
A950
D6
7.5V
D7
7.5V
R173
1K
R174
1K
AGND
+
C78
47/25
+
C79
47/25
+
C80
47/25
+
C81
47/25
+7V
-7V
14.5V~
14.5V~
7.5V~
R171 6.8
R172
6.8
C145
333
C146
333
+
C132
100/16
+
C133
100/16
R148
150
R147
150
R149
150
R150
150
AGND
AGND
C58
104
C59
104
CE
C60
104
C61
104
DGND AGND
-vv
15NC12
To enhance viewing, please print to A3 13

Cambridge Audio Azur 540R V2.0 AV Receiver
Decoder PCB Board Layout (1 of 2)
10
To enhance viewing, please print to A3 14

Cambridge Audio Azur 540R V2.0 AV Receiver
Decoder PCB Board Layout (2 of 2)
To enhance viewing, please print to A3 15

Cambridge Audio Azur 540R V2.0 AV Receiver
Main Board - Power Supply PCB Schematic
R239
100
R240
100
D43
1N4001
+
C107
330U/63
R241
3.3K/1W
D42
1N4570(27V)
+
C104
47U/35
D41
6C2
+ C103
10U/50
1
2
CN8
2P(2.5)
1
2
3
CN4
3P(3.96)
+5V
GND
~5.5V
~5.5V
GND
-27V
+
AC2
-
AC1
BL1
MB252
C97
104M
C98 104M
FH1
T12AL 250V
FH2
T12AL 250V
-55V
+55V
R235
RF/0.22/1W
R242
RF/0.22/1W
+
AC2
-
AC1
BL2
DB101G
+C106
1000U/25
C105
104M
I1
G
2
O
3
IC1
7805
+C102
47U/16
1
2
3
2
1
2
1
2
1
TO VIDEO BRD
3
2
1
~13V
~15V
~32V
~32V
~4.2V
~14V
TO DISPLAY BRD
INDICATES SAFETY CRITICAL 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.
+C101
470U/25
FAN+15V
+C96
470U/25
RELAY+15V
1
2
CN9
2P(2.5)
2
1
2
1TO FUSE BRD
D+5V
500mA
1.5A
4A
4A
250mA
200mA
1
2
3
CN11
3P(2.0)
R230
820
R231
270
R232
1.2K
Q85
2SC1627A-Y
FAN+15V
1
2
MFAN
FAN DRIVER
RT1
02DSB282J
TEMP SENSOR
+5V
TO FUSE BRD
+14V
ON/OFF
GND
3
2
1
~16.5V
~16.5V
1.5A
1.5A
~7.5V
1.5A
5
4
TO DEODER BRD
5P2.5
TO FUSE BRD
2P2.5
Q87
C2458
R245
22K
R246
100K
R247
22K
R249
15K
R248
680K
+
C109
2200U/10
SYS-MUTE
-55V
D44
1N4001
R243
4.7K
R244
470
+C108
22U/25
Q86
A1015
RELAY-STOP
1
2
CN3
2P(2.0)
1
2
CN1
2P(2.5)
1
2
3
4
5
6
CN5
6P(2.0)
P-ON/OFF
SYS MUTE
M-RELAY
GND
MUTE-DELAY
FROM DECODER
PH-DET PH-DET
Rto-FUSE
125 C 2A250VAC
R104
10K
R101
6.2K
over load
PRO-TEST
OVER LOAD PROTECT
+C40
4.7U/25
R26
1K
C42
104
Connected to bottom of cabinet
+14V
VIDEO3 board
2
G2
3
G3
1
G1
G5
G4
JK9
AV3-8.4-14
R117
220
R123
220
R124
47K
R126
47K
C81
330P
C82
330P
GND
C94
104
VIDEO IN
C141
104
LIN
C142
470P
AGND
1
2
CN22
2P(2.0)
RIN
1
2
3
CN21
3P(2.0)
CE
R42
10/1W
R234
4.7/1W
Q17
C2458
R131
22K
Q38
A1015
1
2
3
4
5
6
7
CN10
7P(2.0)
D45
1N4148
D6
1N4148
Q88
C2878
D7
1N4148
D26
1N4001
R164
22K
R173
4.7K
R165
1K
+5V
1
2
CN6
2P(2.5)
D29
1N4148
1
2
3
4
CN17
4P(2.0)
PH-R
PH-L
PH-DET
PH-R
PH-L
GND
PH-DET
TO EarPHONE BOARD
C99
10000U/63
C100
10000U/63
R174
100K
R176
33K
C121
47UF/25V
C131
10UF/16
D33
1N4148
D32
1N4148
D39
1N4001
D40
1N4001
To enhance viewing, please print to A3 16

Cambridge Audio Azur 540R V2.0 AV Receiver
Main Board - Power Output & Speaker Protection PCB Schematic
Q8
C2073
Q6
D946BR
Q5
C2705
Q3
C2240
Q7
A940
Q4
A970
Q2
A970
R24
0.22/5WX2
Q9
B817
Q10
D1047
R22
220/0.25W
R21
4.7/0.5W
R23
4.7/0.5W
C10
150P
D1
1N4148
D2
1N4148
C11
150P
R20
220
R15
5.6K/0.25W
R16
2K
R17
2.7K
R18
220
R14
100
C8
20P
+
C9 47UF/50V
C7
12P
R13
47K
R10
470K
R9
8.2K
R12
1.5K
R11
1.8K
R8
1K
R7
1.2K
R6
1.8K
C4
122M
C3 47P
C2
152M
R5
47K
R4
820
+
C1
10U/16V
R3
100K
Q1
C2878
R2
6.8K
S+12V +55V
-55V
R-IN
DW1
6A3
DW2
6A3
L1
0.5UH
R25
10/0.25W
R19
5.6K/0.25W
C5
102
+C6
100U/16
Q29
C2073
Q26
D946BR
Q25
C2705
Q22
C2240
Q28
A940
Q23
A970
Q20
A970
R83
0.22/5WX2
Q31
B817
Q33
D1047
R80
220/0.25W
R78
4.7/0.5W
R82
4.7/0.5W
C34
150P
D9
1N4148
D11
1N4148
C36
150P
R75
220
R68
5.6K/0.25W
R70
2K
R72
2.7K
R73
220
R67
100
C31
20P
+
C32 47UF/50V
C29
12P
R65
47K
R60
470K
R58
8.2K
R63
1.5K
R62
1.8K
R56
1K
R55
1.2K
R53
1.8K
C24
122M
C22 47P
C20
152M
R51
47K
R49
820
+
C18
10U/16V
R47
100K
Q18
C2878
R43
6.8K
S+12V +55V
-55V
L-IN
DW3
6A3
DW5
6A3
L2
0.5UH
R85
10/0.25W
R74
5.6K/0.25W
C26
102
+C27
100U/16
Q30
C2073
Q27
D946BR
Q55
C2705
Q52
C2240
Q58
A940
Q24
A970
Q21
A970
R84
0.22/5WX2
Q61
B817
Q32
D1047
R81
220/0.25W
R79
4.7/0.5W
R159
4.7/0.5W
C35
150P
D10
1N4148
D21
1N4148
C70
150P
R77
220
R69
5.6K/0.25W
R71
2K
R151
2.7K
R153
220
R147
100
C66
20P
+
C33 47UF/50V
C30
12P
R66
47K
R61
470K
R59
8.2K
R64
1.5K
R143
1.8K
R57
1K
R138
1.2K
R54
1.8K
C25
122M
C23 47P
C21
152M
R52
47K
R50
820
+
C19
10U/16V
R48
100K
Q19
C2878
R44
6.8K
S+12V +55V
-55V
RS-IN
DW4
6A3
DW9
6A3
L4
0.5UH
R163
10/0.25W
R76
5.6K/0.25W
C62 102
+C28
100U/16
Q60
C2073
Q57
D946BR
Q56
C2705
Q53
C2240
Q59
A940
Q54
A970
Q51
A970
R161
0.22/5WX2
Q62
B817
Q63
D1047
R158
220/0.25W
R157
4.7/0.5W
R160
4.7/0.5W
C69
150P
D20
1N4148
D22
1N4148
C71
150P
R156
220
R149
5.6K/0.25W
R150
2K
R152
2.7K
R154
220
R148
100
C67
20P
+
C68 47UF/50V
C65
12P
R146
47K
R142
470K
R141
8.2K
R145
1.5K
R144
1.8K
R140
1K
R139
1.2K
R137
1.8K
C63
122M
C60 47P
C59
152M
R136
47K
R135
820
+
C58
10U/16V
R134
100K
Q50
C2878
R132
6.8K
S+12V +55V
-55V
LS-IN
DW8
6A3
DW10
6A3
L5
0.5UH
R162
10/0.25W
R155
5.6K/0.25W
C61 102
+C64
100U/16
Q80
C2073
Q78
D946BR
Q77
C2705
Q75
C2240
Q79
A940
Q76
A970
Q74
A970
R222
0.22/5WX2
Q81
B817
Q82
D1047
R220
220/0.25W
R219
4.7/0.5W
R221
4.7/0.5W
C92
150P
D34
1N4148
D35
1N4148
C93
150P
R218
220
R213
5.6K/0.25W
R214
2K
R215
2.7K
R216
220
R212
100
C90
20P
+
C91
47UF/50V
C89
12P
R211
47K
R208
470K
R207
8.2K
R210
1.5K
R209
1.8K
R206
1K
R205
1.2K
R204
1.8K
C87
122M
C85 47P
C84
152M
R203
47K
R202
820
+
C83
10U/16V
R201
100K
Q73
C2878
R199
6.8K
S+12V +55V
-55V
C-IN
DW13
6A3
DW14
6A3
R217
5.6K/0.25W
C86 102
+C88
100U/16
SYS-MUTE
FL channel
K1A
JZC-42F
JK2C
JZC-42F JK3C
JZC-42F
K2B
JZC-42F
K3B
JZC-42F
Q45
C2073
Q43
D946BR
Q42
C2705
Q39
C2240
Q44
A940
Q41
A970
Q37
A970
R129 0.22/5WX2
Q49
B817
Q48
D1047
R127
220/0.25W
R125
4.7/0.5W
R128
4.7/0.5W
C54
150P
D18
1N4148
D19
1N4148
C56
150P
R122
220
R116
5.6K/0.25W
R118
2K
R119
2.7K
R120
220
R115
100
C51
20P
+
C52
47UF/50V
C49
12P
R113
47K
R109
470K
R107
8.2K
R112
1.5K
R111
1.8K
R106
1K
R105
1.2K
R103
1.8K
C45
122M
C43 47P
C41
152M
R102
47K
R100
820
+
C39
10U/16V
R99
100K
Q36
C2878
R97
6.8K
DW6
6A3
DW7
6A3
L3
0.5UH
R130
10/0.25W
R121
5.6K/0.25W
C46
102
+C47
100U/16
L7
0.5UH
R223
10/0.25W
BS channel
R181
2.2K
R175
22K
R179
2.2K
R177
22K
Q65
C2240
C76
2.2U/50V/NP
D28
1N4148
D30
1N4148
D27
1N4148
R189 22K
R224
2.2K
R228
22K
R166
2.2K
R226
22K
Q83
C2240
C74
2.2U/50V/NP
D37
1N4148
D36
1N4148
D38
1N4148
R167
2.2K
R172
22K
R168
2.2K
R169
22K
Q64
C2240
C75
2.2U/50V/NP
D24
1N4148
D23
1N4148
D25
1N4148
R87
2.2K
R94
22K
R89
2.2K
R92
22K
Q34
C2240
C38
2.2U/50V/NP
D14
1N4148
D12
1N4148
D16
1N4148
R88
2.2K
R95
22K
R90
2.2K
R93
22K
Q35
C2240
C13
2.2U/50V/NP
D15
1N4148
D13
1N4148
D17
1N4148
R27
2.2K
R31
22K
R28
2.2K
R30
22K
Q11
C2240
C14
2.2U/50V/NP
D4
1N4148
D3
1N4148
D5
1N4148
R29
22K
R91
22K
R171
22K
R170
22K
R227
22K
K3A
JZC-42F
-55V
+55V
S+12V
SYS-MUTE
BS-IN
+55V
-55V
FL
FR
SL
SR
CPOWER
BS
R229
2.4K/3W
DW15
1N4742A
+
C95
100U/16
+55VS+12V
R1
1.5K
R45
1.5K
R46
1.5K
R133
1.5K
R200
1.5K
R96
1.5K
Q15
C2458
Q16
C2235
Q13
C2458
Q12
C2458
Q14
A970
R32
47K
R33
47K
R34
10K
R38
100K
R37
10K
R35
10K
+
C15
470U/10
C17
104
C16
473
+14V
MUTE-DELAY
Speaker Protect
K1B
JZC-42F
JK1C
JZC-42F
K2A
JZC-42F
RELAY-STOP
R36
1K
R39
100K
RELAY+15V
FL-OUT
FR-OUT
C-OUT
RS-OUT
LS-OUT
BS-OUT
1
2
3
4
5
6
7
8
9
10
CN16
10P2.5
C-OUT
RS-OUT
LS-OUT
BS-OUT
FR-OUT
FL-OUT
FR
FL
C
RS
LS
BS
GND
GND
GND
GND
POWER OUT
PH-R
PH-L
FROM DECODER BOARD
FL
FR
SL
SR
C
SYS-MUTE
BS
L-IN
R-IN
LS-IN
RS-IN
C-IN
BS-IN
over load
FR channel
RS channel
C channel
LS channel
R40
1K +
C171
470U/10
+C179
220U/16
R198
8.2K
D31
1N4148
+
C180
10U/50
GND
D8
IN4001
C115 10UF/16V
C116 10UF/16V
C117 10UF/16V
C120 10UF/16V
C119 10UF/16V
C118 10UF/16V
V3-LIN
V3-RIN
TO V3 BRD
AGND
1
2
3
CN2
3P(2.0)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN18
16P2.0(180)
V3-LIN
V3-RIN
AGND
SYS-MUTE
To enhance viewing, please print to A3 17

Cambridge Audio Azur 540R V2.0 AV Receiver
Main / Video Out / Speaker Connections PCB Board Layout
To enhance viewing, please print to A3 18

Cambridge Audio Azur 540R V2.0 AV Receiver
OSD PCB Schematic
VSS1
1
XtalIN
2
XtalOUT
3
CTRL1(mute)
4
HFTONout
5
OSCin
6
OSCout
7
SYNCjdg
8
CS
9
SCLK
10
SIN
11
VDD2
12CVout13
VSS2 14
CVin15
VDD1 16
SYNin17
SEPc 18
SEPout19
SEPin20
CTRL2 21
CDCLK 22
RST 23
VDD124
IC5
LC74786M
R24
75
R26
820
R55
220
R54
4.7K
R43
22K
R60
10K
R30
22K
C37
47/16
L11
FB
L12
33uH
P/N SW
C4415P
L:NTSC
H:PAL
C45
15P
PAL
NTSC
C15
104
X2
14.31818M
VGND
VGND
VGND
DGND1
X1
17.734475M
DGND1
L9
FB
DGND1
R56 DEL
C
G3
G1
Y
G4
V
G2
P4
DASW-02
R34
10K
R33
10K
R32
10K
C42104
VGND
R1475
R15
75
R1675 VIDEO
S-VIDEO
OUT
C35
100P
C34
100P
C36
100P
L6
FB
C3322/16
C16
104
C3247/16
C10 104
C31
220/10
C
G3
G1
Y
G4
V
G2
P3
DASW-02
R11
75
R12
75
R31
10K
C9104
VGND
C
G3
G1
Y
G4
V
G2
P1
DASW-02
R18
75
R20
75
R36
10K
C14
104
VGND
C
G3
G1
Y
G4
V
G2
P2
DASW-02
R17
75
R19
75
R35
10K
C13
104
VGND
DVD INVIDEO1 IN VIDEO2 IN
VIDEO
S-VIDEO
VIDEO
S-VIDEO
VIDEO
S-VIDEO
R21
75
R13
75
R22
75
R48
10
Y0
1
Y2
2COM-Y 3
Y3
4
Y1
5
INH
6VEE 7
VSS 8
B
9
A
10
X3
11
X0
12
COM-X 13
X1
14 X2
15 VDD 16
IC2
TC74HC4052AF
Y0
1
Y2
2COM-Y 3
Y3
4
Y1
5
INH
6VEE 7
VSS 8
B
9
A
10
X3
11
X0
12
COM-X 13
X1
14 X2
15 VDD 16
IC1
TC74HC4052AF
R47
10
VGND
C29
473
C30
473
C24
105
C23
105
R27
75
R28
75
R40
10K
C18104
R29
75
11
22
33
44
55
66
CN4
640_6P2.0 / 540R_2P2.0
VGND
VGND
VGND
VIDEO3 IN
S-VIDEO_C
S-VIDEO_Y
VIDEO
GND
GND
GND
Y1
1
Y0
2
VEE 7
VSS 8
YCOM 15
VDD 16
X1
13
X0
12
XCOM 14
Z1
3
Z0
5
ZCOM 4
A
11
B
10
C
9
INH
6
IC3
TC74HC4053AF
R45
10
R44
10
VGND
C25
473
C26
473
C20
105
C19
105
VGND
BYPASS_V
BYPASS_S-Y
BYPASS_S-C
D3
1
D2
2
D1
3
D0
4
Y
5
W
6
ST
7
GND
8C9
B10
A11
D7 12
D6 13
D5 14
D4 15
VCC 16
U5
TC74HC151AP
1
2
3
U1
TORX179
1
2
3
U2
TORX179
1
2
3
U3
TORX179
1
2
3
U4
GP1F32 T
L1
FB
L2
FB
L3
FB
C1
104
C2
104
C3
104
DGND
DGND
DGND
R3
75
R2
75
R1
75
L4
FB
C4
104
DGND
DGND
CD-COAX-IN
D+5V
DVD-COAX-IN
COAX-OUT
OPT-IN
K1
YUV/CON
B
VGND
L5
FB C5
104
DGND
R5
75
R6
330
L10
FB
C76
104
DGND
CD OPT IN
V1/V2 OPT IN
DVD OPT IN
OPTICAL OUT
TO YUV BRD TO DECODE BRD TOCOAX BRD
R4
75
D+5V
DGND
CS
SCLK
SIN
FROM DECODER BOARD
R10
10
VGND
R49
10
R46
10
VGND
C27
473
C28
473
C22
105
C21
105
OSD_V
R89 56
BYPASS_S-Y
-5V
+5V
D+5V
C38
681
C46
24P C47
24P
Q4
C3361
C7
100/10
C8
100/10
R61
180
R62
220
C48
100/10 C49
104
VGND
Y1
1
Y0
2
VEE 7
VSS 8
YCOM 15
VDD 16
X1
13
X0
12
XCOM 14
Z1
3
Z0
5
ZCOM 4
A
11
B
10
C
9
INH
6
IC6
TC74HC4053AF
VGND
R63
10
C51
473
C53
473
C52
105
C50
105
R64
10
VGND
TOOSD-V
TOOSD_S-Y
Q8
A1331
C57
105
C58
105
R72
10
R73
330
D2
1N4148
D1
1N4148
C59
105
VGND
Q9
C3361
R75
22K
R74
270
R76
220K
R71
330
S-Y/V DEL
Q5
14
Q6
13
Q7
12
Q1
4
Q2
5
Q3
6
Q4
7
Q8
11
QS
9CS 10
CLK 3
SDA 2
STR 1
OE 15
VDD 16
VSS 8
IC7
TC4094AFN
1
1
2
2
3
3
4
4
5
5
CN5
5P2.0
D+5V
DGND
C61
473
C60
105
4094-STB
1
1
2
2
3
3
4
4
5
5
6
6
7
7
CN1
7P2.0
C40
105
5(6(7
IC3-9
IC3-11
IC3-9
YUV MUTE
56
IC8C
74HCU04D
34
IC8B
74HCU04D
1 2
14
IC8A 74HCU04D
R9
100
R8
100
R23
100
13 12
7
IC8F
74HCU04D
1
1
2
2
3
3
4
4
5
5
6
6
CN3
6P2.0
R51
10
R53
10
R57
10
V1/V2-COAX-IN
11 10
IC8E
74HCU04D
9 8
IC8D
74HCU04D
DGND
C6
104
R58
91
DGND
A
A
B
0
0
0
1
1
0
1
1
VIDEO 3/CD DVD VI DEO 1 VIDEO 2
DGND
D3
1N4148
R7
4.7K
D+5V
C39
105
C78
105
R81
8.2K
C86
10/16
R82
39
VGND
C79
102
VGND
VIN1
1
VIN2
8
VO1 4
VO2 5
VS1 3
VS2 6
GND
2VCC 7
IC10
NJM2267
VGND
VGND
VGND
+C102
100/10
+C83
100/10
+
C103
22/16
R83
100K
L20
FB
C84
104
Q6
C3361
R84
470
Q5
C3361
R85
12K
R86
10K C85
10/16
VGND
VGND
L13
FB
R52
100
+
C82
100/10
+
C81
22/16
C80
20p
C54
47/16
VGND
R69
DEL
VGND
C90
104
C91
105
VGND
VGND
JP2
0
JP1
0
C92
270
L14
56uH
R88 330
C93 390P VGND
C94
102
C95 220
C96
47P
C97
103
Q3
C3361
VGND
VGND
R50
470
5NC18
5NC8
Cout
8
Yout
14
Vref4
Cin 5
Yin3
GND1
6V+1 1
V+2 12
PS 7
GND2
9
CV out
11
Ysag
13
CVsag
10
IC11
NJM2567V
C87
104
C98
47/16
C43
104
VGND C99
47/16
C89
104
VGND
C88
104
VGND
IC3-9
L15
FB
R91
75
+
C104
100/10
+
C105
22/16
R92
DEL
C100
47/16
C101
10/16
R37
330
VGND
C107
47/16
VIN1
1
VIN2
8
VO1 4
VO2 5
VS1 3
VS2 6
GND
2VCC 7
IC4
NJM2267
VGND
VGND
C55100/10
C41
100/10
video amp in
video amp in
C12104
video amp out
video amp out
INH
INH
Q2
C2120
R38
1K
R25
10K
VGND
+9V+8V
+8V
1
1
2
2
3
3
4
4
5
5
6
6
7
7
CN2
7P2.0
+9V
R87
4.7K
R39
1K
VGND
R90
1K
VGND
R93
1K
R94
1K
R951K
26
To enhance viewing, please print to A3 19

Cambridge Audio Azur 540R V2.0 AV Receiver
OSD / Co-axial In/Out / Connect Board B / Control Bus PCB Board Layout
To enhance viewing, please print to A3 20