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Cambridge Audio Azur 840C  CD Player

AP19129/4

D

A

C DSP Circuit Diagram (DSP)

BITCLK

WD

CLK

SD

ATA_L

SD

ATA_R

CS_D

AC1

CS_D

AC2

RE

L

A

Y

SS

D

S

P

R

ESET

RESET

D

A

C1_MCLK

D

A

C2_MCLK

MOSI

SCK

SS_1

SCK_1

DS

P_MISO_1

DS

P_MOSI_1

D7

D6

D5

D4

D3

D2

D1

D0

A18

A17

A16

A15

A14

A13

A12 
A11 
A10 
A9 
A8 
A7 
A6 
A5

A4 
A3 
A2 
A1

WE_FLASH#

OE_FLASH#

CS_FLASH#

MUTE

I2SDATA

I2SFRAME

INTREQ

MISO

RX

P

3

1

RX

P

2

2

RX

P

1

3

RX

P

0

4

RX

N

5

VA

6

AGND

7

FILTER

8

RST

9

RX

P

4

10

RX

P

5

11

RX

P

6

12

RX

P

7

13

AD0/CS

14

AD1/CDIN

15

S

CL/CCLK

16

SDA/CDOUT

17

AD2/GP

O

2

18

GP

O

2

19

GP

O

0

20

VL

21

DGND

22

VD

23

RMC

K

24

OM

CK

25

SDO

U

T

26

OS

CLK

27

OLR

CK

28

U11

CS8416

CS8416_RXP0

SERVO_SPD

IF_OUT_3.3V

C27

100N5

0VY5V

SM

0805

3.3V

R34

1K

0805

C31

10U

1

6V

EL

1

2

3

4

5

6

7

8

R35

100R

24.576MHz

3.3V

R37

10K

0805

R39

10K

0805

CS8406_TXP

R41

10K

0805

VCC

8

CLK

5

N/C

1

GND

4

X1

24.576MHz

C36

10U

1

6V

EL

+5V_OSC

1

2

U15:A

7

4

VHC

1

4

VCC=OSC_3.3V

3

4

U15:B

7

4

VHC

1

4

5

6

U15:C

7

4

VHC

1

4

13

12

U15:D

7

4

VHC

1

4

11

10

U15:E

7

4

VHC

1

4

9

8

U15:F

7

4

VHC

1

4

R42

100R

0805

R43

100R

0805

R44

100R

0805

R45

100R

0805

C37

10P5

0VY5

VS

M

0805

C38

10P5

0VY5

VS

M

0805

C39

10P5

0VY5

VS

M

0805

C40

10P5

0VY5

VS

M

0805

SCHMITT INVERTER

C41

10P5

0VY5

VS

M

0805

R46

100R

0805

1

2

3

4

5

6

7

8

R49

33R




4

5

6

7

8

R54

33R

R57

1K

0805

R58

1K

0805




4

5

6

7

8

R55

33R

R56

10K

0805

R61

100R

0805




4

5

6

7

8

R62

100R

1

2

3

4

5

6

7

8

R36

33R




4

5

6

7

8

R50

100R

1

3

5

7

2

4

6

8

9

10

11

13

12

14

CN6

CONN-7HEAD

D

U

AL

1

2

3

4

5

6

7

8

R51

10K

R52

4K7

0805

3.3V

D

SP

JTEG

1.2V

3.3V




4

5

6

7

8

R53

33R




4

5

6

7

8

R59

33R

S

D

A

/CD

OOUT

1

AD0/CS

2

AD2

3

RX

P

4

TES

T

5

VD

6

TES

T

7

TES

T

8

RST

9

TES

T

10

TES

T

11

ILR

C

K

12

IS

CLK

13

SDI

N

14

TCBL

15

TES

T

16

TES

T

17

TES

T

18

IN

T

19

U

20

OM

CK

21

GND

22

VL

23

H/S

24

TXN

25

TXP

26

AD1/CDI

N

27

S

CL/CCLK

28

U12

CS8406

3.3V

3.3V

R38

100R

0805

R40

100R

0805

1

2

3

4




8

R60

100R

1

2

3

4

5

6

7

8

R63

100R

2

3

1

U19:A

74V

H

C125

V

CC=3.3V

5

6

4

U19:B

V

CC=3.3V

9

8

10

U19:C

V

CC=3.3V

12

11

13

U19:D

V

CC=3.3V

2

3

1

U20:A

VCC=+5V

5

6

4

U20:B

74HCT125

VCC=+5V

9

8

10

U20:C

VCC=+5V

12

11

13

U20:D

VCC=+5V

U_INTREQ

U_MISO

U_MOSI

U_SCLK

U_SS

U_RESET

VCC

3

RST

2

GND

1

U21

D

S

1818

1

FUNCTIONA

L

0M

O

D

E

1

BOOT

0

MODE

GND

1

GND

2

GND

7

VR

OUT2

4

VR

OUT1

5

VD

D

E

XT

6

GND

8

GND

9

CLKIN

10

XTA

L

11

VD

D

EXT

12

RE

SE

T

13

NMI

14

GND

15

RT

X

O

16

RT

X

I

17

V

DDRT

C

18

GND

19

VD

D

E

XT

20

PPI_CLK

21

PPI0

22

PPI1

23

PPI2

24

PPI3

26

VD

D

IN

T

25

PF15/PPI4

27

PF14/PPI5

28

PF13/PPI6

29

GND

30

VD

D

E

XT

31

PF12/PPI7

32

PF11/PPI8

33

PF10/PPI9

34

PF9/PPI10

35

PF8/PPI11

36

PF7/S

PIS

EL7/PPI12

37

PF6/S

P

IS

EL6/PPI13

38

GND

39

GND

40

GND

41

GND

42

GND

43

GND

44

VDDEXT

45

PF5/SPIS

EL5/PPI14

46

PF4/SPIS

EL4/PPI15

47

PF3/SPIS

EL3/PPI_FS3

48

PF2/SPIS

EL2

49

PF1/SPIS

EL1/TMR

CLK

50

PF0/SPIS

S

51

VDDIN

T

52

SCK

53

MISO

54

MOSI

55

GND

56

VDDEXT

57

DT1SE

C

58

DT1P

RI

59

TFS

1

60

TSCLK1

61

DR1SEC

62

DR1PRI

63

RFS1

64

RCL

K1

65

VDDIN

T

66

DT0SE

C

67

DT0P

RI

68

TFS

0

69

GND

70

VDDEXT

71

TSCLK0

72

DR0SEC

73

DR0PRI

74

RFS0

75

RS

CLK0

76

TMR

2

77

TMR

1

78

TMR

0

79

VDDIN

T

80

TX

81

RX

82

EMU

83

TRS

T

84

TMS

85

TD1

86

TD0

87

GND

88

GND

89

GND

90

GND

91

GND

92

VD

D

E

XT

93

TCK

94

BM

OD

E1

95

BM

OD

E0

96

GND

97

D

A

TA

15

98

D

A

TA

14

99

DAT

A1

3

100

D

A

TA

12

101

D

A

TA

11

102

DAT

A1

0

103

DAT

A

9

104

DAT

A

8

105

GND

106

VD

D

EXT

107

DAT

A

7

108

DAT

A

6

109

DAT

A

5

110

DAT

A

4

112

VD

D

IN

T

111

DAT

A

3

113

DAT

A

2

114

DAT

A

1

115

DAT

A

0

116

GND

117

VD

D

E

XT

118

BG

119

BG

H

120

ADDR19

121

ADDR18

122

ADDR17

123

ADDR16

124

ADDR15

125

ADDR14

126

ADDR13

127

GND

128

GND

129

GND

130

GND

131

GND

132

GND

133

VDD

EXT

134

ADDR12

135

ADDR11

136

ADDR10

137

ADDR9

138

ADDR8

139

ADDR7

140

ADDR6

141

ADDR5

142

VDD

IN

T

143

GND

144

VDD

EXT

145

ADDR4

146

ADDR3

147

ADDR2

148

ADDR1

149

ABE

1

150

ABE

0

151

AWE

152

ARE

153

AOE

154

GND

155

VDD

EXT

156

VDD

IN

T

157

AMS3

158

AMS2

159

AMS1

160

AMS0

161

ARDY

162

BR

163

SA1

0

164

SWE

165

SCA

S

166

SRAS

167

VDD

IN

T

168

CLKOUT

169

GND

170

VDD

EXT

171

SMS

172

SCK

E

173

GND

174

GND

175

GND

176

GND

3

U13

AD

SP-BF532

R30

0R

0805

R64

0R

0805

I2SERR

I2SERR

C28

100N5

0VX7R

SM

0805

C29

100N5

0VX7R

SM

0805

C30

10N50V

X7R

SM

0805

C32

100N5

0VX7R

SM

0805

C33

100N50V

X7R

SM

0805

C97

100N50V

X7R

SM

0805

C74

100N50V

X7R

SM

0805

C165

10U

1

6V

EL

C166

10U1

6VEL

C167

10U16V

EL

C75

100N

50V

X7R

S

M

0805

C76

100N

50V

X7R

S

M

0805

C77

100N

5

0V

X7R

S

M

0805

C78

100N

5

0V

X7R

S

M

0805

C96

100N

5

0V

X7R

S

M

0805

C79

100N

50V

X7R

S

M

0805

C80

100N50V

X7R

SM

0805

C81

100N50V

X7R

SM

0805

C82

100N50V

X7R

SM

0805

C83

100N50V

X7R

SM

0805

C84

100N50V

X7R

SM

0805

C85

100N

50V

X7R

S

M

0805

C86

100N

50V

X7R

S

M

0805

C95

100N

50V

X7R

S

M

0805

C87

100N

50V

X7R

S

M

0805

C88

100N

50V

X7R

S

M

0805

C89

100N5

0VX7R

SM

0805

C90

100N5

0VX7R

SM

0805

C91

100N5

0VX7R

SM

0805

C92

100N5

0VX7R

SM

0805

C93

100N5

0VX7R

SM

0805

C94

100N5

0VX7R

SM

0805

C168

100N50V

X7R

SM

0805

C169

100N50V

X7R

SM

0805

3.3V

+5V

R132

100R

0805

D15

B

A

S16

75V

0

,3A

D16

B

A

S16

75V

0,3A

MUTE_PIC

R135

10K

0805

3.3V

D

S

P

C149

10U

35V

E

L

C143

10U

35V

E

L

R153

33R0

805

R130

10K

0805

3.3V

D

S

P

1

2

3

CN11

HEAD

ER

3WAY

HW/SW

1.2V

D

S

P

R87

10K

0805

R88

10K

0805

3.3V

3.3V

R2

0R

1206

R89

0R

1206

1

INDICATES

TEST

POINT

REF

SEE

DAC

TEST

SIGNALS

LIST

FOR

SIGNAL

D

ESCRIPTION

13

14

15

16

17

18

19

20

21

To enhance viewing, please print to A3

24

Содержание Azur 840C

Страница 1: ...e Fully Differential Linear Phase Bessel Filter Digital output word widths supported 16 20 24 bit Frequency Response 20Hz 20kHz 0 1dB Digital input sampling 32kHz 44 1kHz 48kHz 88 2kHz frequencies supported 96kHz 176 4kHz 192kHz THD 1 KHz 0dBFs 0 0005 Digital output sampling 32 kHz 192 kHz pass through frequencies supported including 44 1 kHz for CD 48 kHz 96 kHz 192 kHz up sampled THD 1Khz 10dBFs...

Страница 2: ...tage Select Switch PCB Layout Bottom Side 20 Voltage Select Switch PCB BOM 21 DAC DSP Circuit Diagram Abus 22 DAC Test Signals Main Signal Paths General 23 DAC DSP Circuit Diagram DSP 24 DAC Test Signals Main Signal Paths General 25 DAC DSP Circuit Diagram Filters 26 DAC Test Signals Main Signal Paths Left Channel 27 28 DAC Test Signals Main Signal Paths Right Channel 29 30 DAC DSP Circuit Diagram...

Страница 3: ...s 5 Any unauthorised design alterations or additions will void the manufacturer s warranty furthermore the manufacturer cannot accept responsibility for personal injury or property damage resulting therefrom 6 When servicing care should be taken to observe the original routing and dressing of the leads and it should be confirmed that they have been returned to normal after re assembly Notes on chi...

Страница 4: ...that safety and EMC critical components are replaced with Cambridge Azur approved parts only CLASS 1 LASER PRODUCT NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT The laser diode in the optical pick up block may suffer electrostatic breakdown because of the potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to el...

Страница 5: ...Cambridge Audio Azur 840C CD Player Exploded Diagram To enhance viewing please print to A3 5 ...

Страница 6: ...A11V 7 PY1220 8584 001010E301 Azur 840C UK EU Black Front Panel Assy 7 PY1221 8584 001000E301 Azur 840C UK EU Silver Front Panel Assy 8 PY1222 4006 840001E000 Azur 840C Display Module MBCF00003B00V0 RCL 9 PY1223 6574 010002E000 01 Azur 840C Front Panel B Artwork Print Cool Grey 7C Black 9 PY1224 6574 010002E000A01 Azur 840C Front Panel S Artwork Print Coll Grey 8C Silver 10 PY1225 9484 001000E041 ...

Страница 7: ...L TO SINGLE ENDED UNBALANCED O P BALANCED O P DAC WDCLK BITCLK SDATA L RESET MUTE DAC SET UP I F DAC2 MCLK DAC PCB MECH AND SERVO PCB B C P O V R E S H C E M SPDIF I P SWITCHING CD SERVO TO LCD CONNECTIONS PSU MICROCONTROLLER DSP INTERFACE MICRO TO LCD DOT MATRIX MICROCONTROLER PIC RS232 IR UNMOD I P O P I P IR MOD DRAWER OPEN CLOSE CONNECTIONS DRAWER OPEN CLOSE CONNECTIONS LCD DRAWER SPEED CONTRO...

Страница 8: ...R15 10K H0 14 A1 6 GND 8 A0 7 W0 12 L1 3 L0 13 H1 1 W1 4 A2 5 SDA 10 SCL 9 VCC 16 U3 DS1803 5V_SERVO 5V_SERVO 1 2 3 4 5 6 7 8 9 CN6 JST 2MM S9B PH KS 1 2 3 4 5 6 7 8 CN7 JST 2MM S8B PH KS R18 10K R19 10K SEG15 16 SEG14 15 SEG13 14 SEG12 13 SEG11 12 SEG10 11 SEG9 10 SEG8 9 SEG7 8 SEG6 7 SEG5 6 SEG4 5 SEG3 4 SEG2 3 SEG1 2 SEG0 1 SEG16 17 SEG17 18 SEG18 19 COM1 20 COM2 21 COM3 22 COM4 23 NC 24 CN10 L...

Страница 9: ...Cambridge Audio Azur 840C CD Player AP19135 3 Front Panel Board Layout Top Side To enhance viewing please print to A3 9 ...

Страница 10: ...Cambridge Audio Azur 840C CD Player AP19135 3 Front Panel Board Layout Bottom Side To enhance viewing please print to A3 10 ...

Страница 11: ...6V Pitch 2 5mm Height 5 2mm 4 C7 C11 C13 C18 1 U 1 R E V I E C E R R I P O S T V 3 S S 6 3 8 1 P O S T Mount 13 5mm height from PCB Please support usingfoam pad spacer 2 U 1 C I P P I A 7 7 8 F 6 1 C I P Programme with AP20058 2 Please add version label See AP Service Dept PY983 DS18030 050 DIGITAL PO T 4118 030051E200 1 U3 4 U 1 C I P P I A 8 0 5 C 2 1 C I P Programme with AP20231 1 Please add ve...

Страница 12: ...0uF 25V 1 2 3 CN9 GND R71 56K C43 10uF 25V R70 56K C35 0 1uF 5V L CH R CH 8V R81 47K C36 10pF R79 20K R72 20K C37 220uF 16V 1 2 3 CN10 GND L CH R CH GND 1 2 3 4 5 CN13 DIG DATA 1 2 CN14 MCLK R68 100R R69 100R 3 4 5 RL1 B 1 2 RL1 A 6 7 8 RL1 C R83 120R 0 5W R88 1K 14 5V Q3 8050 Q4 8050 C55 47uF 16V R89 330k D1 IN4148 R90 390R D7 IN4004 R87 100R Q6 9012 R85 560R R86 3K9 C63 4 7uF 16V D6 IN4004 1 2 3...

Страница 13: ...21 PVCC4 22 OUT 4 23 PW GND 24 U6 TA2092N R15 10K R39 10K R14 10K R13 10K R12 10K 5V R11 10K R6 220K R7 68K R5 15K R9 47K C8 0 015uF C76 47pF C74 47uF 16V R8 10K C75 0 01uF C6 0 0027uF 1 2 3 CN1 DIGITAL OUT 5V R10 47R C11 0 047uF C10 47uF 16V C9 47uF 16V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CN16 MECH 1 2 3 4 5 6 CN15 MOTOR DRIVE 8V C56 220uF 16V C59 100nF R64 10K 5V C58 100nF C57 100nF R42 3K3 C...

Страница 14: ...Cambridge Audio Azur 840C CD Player AP12927 8 CD Servo Board Layout Top Side To enhance viewing please print to A3 14 ...

Страница 15: ...Cambridge Audio Azur 840C CD Player AP12927 8 CD Servo Board Layout Bottom Side To enhance viewing please print to A3 15 ...

Страница 16: ...1011 004016 000 220K 0 125 W Metal Film Resistor 1 R6 1012 204016 000 3pF Ceramic COG 50V 5mm Pitch 1 C1 15pF Ceramic COG 50V 5mm Pitch 2 C16 17 1100 150043 000 25pF Ceramic COG 50V 5mm Pitch 2 C80 81 1100 250042 000 47pF Ceramic COG 50V 5mm Pitch 1 C76 1100 470043 000 100pF Ceramic COG 50V 5mm Pitch 1 C73 470pF Ceramic 50V 5mm Pitch 2 C24 25 1100 471043 000 0 0 0 3 4 0 2 0 1 0 0 1 1 7 8 C 1 h c t...

Страница 17: ...P m m 5 n i P 2 z H M 4 4 3 9 6 1 7 2 0 Y P 0 9 9 2 8 2 7 3 7 0 0 6 1 2 X 1 h c t i P m m 5 n i P 2 z H M 8 2 7 3 7 1 6 5 Y P 1 0 0 0 0 0 2 0 0 0 0 3 2 1 2 7 1 N C 2 T S J h c t i P m m 2 y a W 2 1 0 0 0 0 0 3 0 0 0 0 3 2 1 N C 1 T S J h c t i P m m 2 y a W 3 0 0 0 0 0 0 5 0 0 0 0 3 2 8 2 N C 2 T S J h c t i P m m 2 y a W 5 0 0 0 0 0 0 6 0 0 0 0 3 2 5 1 N C 1 T S J h c t i P m m 2 y a W 6 0 0 0 0 ...

Страница 18: ...bridge Audio Azur 840C CD Player AP17977 2 Voltage Select Switch PCB Schematic J2 FROM J4 Common SW1 VOLTSELECT RF1002B 115 230V Marking J1 BROWN 230V J3 BLACK 115V To enhance viewing please print to A3 18 ...

Страница 19: ...Cambridge Audio Azur 840C CD Player AP17977 2 Voltage Select Switch Board Layout Top Side To enhance viewing please print to A3 19 ...

Страница 20: ...Cambridge Audio Azur 840C CD Player AP17977 2 Voltage Select Switch Board Layout Bottom Side To enhance viewing please print to A3 20 ...

Страница 21: ... 0 0 0 2 0 1 0 6 0 4 2 1 W S 1 r o t c e l e S e g a t l o V B 2 0 0 1 F R Cambridge Audio Azur 840C V2 Voltage Selector PCB Assembly BOM CONNECTORS Note resistors capacitors and other generic electronic components are not usually stocked by the manufacturer Please obtain these locally 21 ...

Страница 22: ...0 9 8 U8 C VCC 3 3V 13 12 11 U8 D VCC 3 3V R28 0R 0805 CS8416_RXP0 MULTIPLEXER 1 MULTIPLEXER 2 1E 1 S1 2 1 IN3 3 1 IN2 4 1 IN1 5 1 IN0 6 2 IN3 13 2 IN2 12 2 IN1 11 2 IN0 10 GND 8 2E 15 SO 14 1Y 7 2Y 9 VCC 16 U9 CS8406_TXP 5V_DIG C20 100N 50V Y5V SM 0805 SO1_U9 SO2_U9 fs 44 1kHz fs 48kHz min servo spdif pass through fs 44 1kHz spdif input pass through R29 1K 0805 R31 430R 0805 R32 91R 0805 1 2 3 CN...

Страница 23: ...1 5 e p o c s l a n g i s a t a d l a i r e s s u o u n i t n o C 3 V 3 d e t c e l e s 2 r o 1 P I 2 r o 1 P I x a o c F I D P S 2 n i p 8 U l a t i g i D 1 6 e p o c s l a n g i s a t a d l a i r e s s u o u n i t n o C 3 V 3 P S D o t 0 h c X R F I D P S o t n o i t c e l e s P I r e t f a l a n g i s F I D P S 3 n i p 9 U l a t i g i D 1 7 e p o c s l a n g i s a t a d l a i r e s s u o u n i ...

Страница 24: ... PPI11 36 PF7 SPISEL7 PPI12 37 PF6 SPISEL6 PPI13 38 GND 39 GND 40 GND 41 GND 42 GND 43 GND 44 VDDEXT 45 PF5 SPISEL5 PPI14 46 PF4 SPISEL4 PPI15 47 PF3 SPISEL3 PPI_FS3 48 PF2 SPISEL2 49 PF1 SPISEL1 TMRCLK 50 PF0 SPISS 51 VDDINT 52 SCK 53 MISO 54 MOSI 55 GND 56 VDDEXT 57 DT1SEC 58 DT1PRI 59 TFS1 60 TSCLK1 61 DR1SEC 62 DR1PRI 63 RFS1 64 RCLK1 65 VDDINT 66 DT0SEC 67 DT0PRI 68 TFS0 69 GND 70 VDDEXT 71 T...

Страница 25: ... Digital audio Word CLK CD selected With disc playing 3V3 square wave 44 1kHz for 44 1kHz sample freq from CD scope e p o c s e v a w e r a u q s z H M 6 7 5 4 2 3 V 3 k c o l c r e t s a m X T F I D P S 1 2 n i p 2 1 U l a t i g i D 2 7 1 18 2 Digital U12 pin 14 To SPDIF TX Digital audio Data SPDIF I P or CD With disc playing 3V3 Continuous serial data signal scope 19 2 Digital U12 pin 13 To SPDI...

Страница 26: ...175 47U 25V EL C179 47U 25V EL R68 100R 1206 R69 100R 1206 R73 100R 1206 R74 100R 1206 C182 470N 50V X7R SM C184 220N 50V X7R SM R168 10R 0805 R170 10R 0805 C231 47N 16V ECHU SM 1206 C232 47N 16V ECHU SM 1206 C198 1N 50V NP0 0603 0603 C199 1N 50V NP0 0603 0603 15V 15V C233 47N 16V ECHU SM 1206 C235 47N 16V ECHU SM 1206 C203 1N 50V NP0 0603 0603 C214 1N 50V NP0 0603 0603 D25 BYG10G D26 BYG10G D27 B...

Страница 27: ... P O t n e r r u c e v f o e g a t l o v C D l i a r d i M 2 n i p 8 3 U e g a t l o V 4 6 2 r e t e m t l o v c d V 8 2 C A D f o P O t n e r r u c e v f o e g a t l o v C D l i a r d i M 2 n i p 7 3 U e g a t l o V 4 7 2 r e t e m t l o v c d V 8 2 f e r e g a t l o v C D l i a r d i M 3 n i p 7 3 U e g a t l o V 4 8 2 r e t e m t l o v c d V 0 4 e g a t l o v f e r e c r u o s t n e r r u C 3 n...

Страница 28: ...V p p 2 2Vrms scope approx 0 001 THD N 22K BW THD meter 0 0006 THD N 22K BW bal a c pins 4 5 U39 THD meter Voltage Analogue Less than 5mV dc voltmeter THD meter 1kHz sine wave 6 3V p p 2 2Vrms scope approx 0 0006 THD N 22K BW THD meter THD Measurements Measurements taken using Audio Precision System 1 with X1 1M scope prob 7 n i p 0 4 U 4 9 3 O P unbalanced stage dc voltage ac waveform THD measure...

Страница 29: ... Voltage U33 pin 2 Mid rail DC voltage of ve current O P of DAC 2 8V dc voltmeter 45 4 Voltage U34 pin 2 Mid rail DC voltage of ve current O P of DAC 2 8V dc voltmeter r e t e m t l o v c d V 8 2 f e r e g a t l o v C D l i a r d i M 3 n i p 3 3 U e g a t l o V 4 6 4 r e t e m t l o v c d V 0 4 e g a t l o v f e r e c r u o s t n e r r u C 5 n i p 3 5 U e g a t l o V 4 7 4 r e t e m t l o v c d V ...

Страница 30: ... scope approx 0 001 THD N 22K BW THD meter 0 0006 THD N 22K BW bal a c pins 4 5 U35 THD meter Voltage Analogue Less than 5mV dc voltmeter THD meter 1kHz sine wave 6 3V p p 2 2Vrms scope approx 0 0006 THD N 22K BW THD meter Current to voltage O P ve dc voltage ac waveform THD measurement CD selected With disc playing 1kHz 0dB FS tone 6 n i p 4 3 U 4 4 5 Current to voltage O P ve dc voltage ac wavef...

Страница 31: ...CE 30 IO7 29 IO6 28 IO5 27 IO4 26 IO3 25 GND 24 IO2 23 IO1 22 1 O0 21 A0 20 A1 19 A2 18 A3 17 U32 AT49BV002AN 3 3V DSP 1 2 3 CN7 2MM 3W ST HEADER R72 100R 0805 SERVO_SPDIF_OUT C160 100N 50V X7R SM 0805 C164 100N 50V X7R SM 0805 1 2 RL1 A ME2 5S 1 2 RL2 A ME2 5S 10V UNREG R141 4K7 0805 R142 10K 0805 R143 100K 0805 C212 1U 35V EL R144 8K2 0805 0805 R145 2K2 0805 D17 1N4001 AC_5V D18 1N4001 D20 1N414...

Страница 32: ...0805 R139 22K 0805 1 2V 10V_L VI 1 SHDN 3 GND 2 VO 5 BYP 4 U45 LT1761 2 8VREG C224 10U 35V EL C225 47N 16V ECHU SM C226 10N 50V X7R SM 0805 C227 10U 35V EL 2V8_VREF_L etc 60mA C113 10U 35V EL C135 10U 35V EL C62 100N 50V X7R SM 0805 C63 47N 16V ECHU SM C47 100N 50V X7R SM 0805 C128 100N 50V X7R SM 0805 C130 100N 50V X7R SM 0805 C132 100N 50V X7R SM 0805 C134 100N 50V X7R SM 0805 C114 100N 50V X7R ...

Страница 33: ...Cambridge Audio Azur 840C CD Player AP19129 4 DAC DSP Board Layout Top Side To enhance viewing please print to A3 33 ...

Страница 34: ...Cambridge Audio Azur 840C CD Player AP19129 4 DAC DSP Board Layout Bottom Side To enhance viewing please print to A3 34 ...

Страница 35: ... R R 0 3 3 3 7 1 R 9 6 1 R 5 5 1 R 2 1 1 R 4 W 5 2 1 0 r o t s i s e R K 0 1 1 7 1 R 3 1 1 R 2 W 5 2 1 0 r o t s i s e R K 5 9 5 1 R 7 2 1 R 2 W 2 0 e p y t F L E M r o t s i s e R K 2 1 8 5 1 R 6 5 1 R 8 2 1 R 6 2 1 R 4 W 2 0 e p y t F L E M r o t s i s e R M 1 B C P e v o b a s d a e l d e m r o f n o t n u o m 3 3 1 R 1 n o b r a C W 2 W 2 R 0 2 2 8 3 1 R 6 3 1 R 2 W 3 6 0 0 r o t s i s e R 3 K...

Страница 36: ... Q 1 Q 5 5 2 7 1 8 C B N P N PY962 RED LED MV50640 1 D1 IR housing AP17339 3 with LED MV50640 TSOP1836 IR Receiver SMT DIODE BYG10G 8 D2 D21 D23 D25 D28 PY1191 SCHOTTKY RECTIFIER DIODE 1A SB1H100 4 D3 D6 SUB 1 MBR1100TR International rectifier 0 3 D 9 2 D 4 1 D 7 D 0 1 4 0 0 4 N 1 E D O I D SMT DIODE BAS16 2 D15 D16 8 1 D 7 1 D 2 1 0 0 4 N 1 E D O I D 0 2 D 9 1 D 2 8 4 1 4 N 1 E D O I D 6 2V ZENER...

Страница 37: ...KS 1 CN8 2MM 9W ST HEADER B9B PH KS 1 CN9 2 5MM 10W ST HEADER B10B XH A 1 CN10 Phono Socket vertical dual AV2 8 4 13EL 1 CN12 white insert top red insert bottom gold plated e p y t g n i h c t a l 4 1 N C 3 1 N C 2 A 2 3 0 5 e l a M T K S R L X 3 5mm JACK SKT CKX 3 5 12 1 CN100 24 576MHz CH015M2457600 AFHJ00 1 X1 A m 0 5 1 n i m c d I 4 L 2 L 3 H u 7 4 ME2 5S 3 RL1 RL3 3 F 1 0 0 3 0 6 H W e s u f ...

Страница 38: ... L N E CN3 IEC PCB MOUNT Rong Feng SS 7B 1 1 2 3 4 5 6 7 8 CN1 2 5MM 8W ST HEADER 6 7 8 RL1 C RELAY 1 2 RL1 A RELAY 3 4 5 RL1 B RELAY 1 2 RL2 A RELAY 3 4 5 RL2 B RELAY 6 7 8 RL2 C RELAY ANALOG A ANALOG A ANALOG B ANALOG B GND A GND B DIGITAL DIG GND ANALOG A ANALOG A ANALOG B ANALOG B GND A GND B DIGITAL DIG GND RELAY 10V 1 2 3 4 5 6 7 8 9 10 CN2 2 5MM 10W ST HEADER FROM TRANSFORMER TO TRANSFORMER...

Страница 39: ...Cambridge Audio Azur 840C CD Player AP19125 3 Mains PCB Board Layout Top Side To enhance viewing please print to A3 39 ...

Страница 40: ...Cambridge Audio Azur 840C CD Player AP19125 3 Mains PCB Board Layout Bottom Side To enhance viewing please print to A3 40 ...

Страница 41: ...mm 1 CN1 AP13570 1 10uH 5A Mains Inductor 2 L1 L2 T68 2A 32 5 Turns with UL Heatsink 2 L R 1 L R 2 1 1 E M V 5 y a l e R 5 0 0 1 1 E M T2AL 2A slow blow fuse 20mm LBC low breaking capacity 1 FU3 4030 618002 001 20MM Fuse Holder 3 FU3 4034 000030 000 1 0 0 0 0 1 0 5 0 1 3 0 4 3 U F 3 r e v o C e s u F CAPACITORS CONNECTORS MISCELLANEOUS Cambridge Audio Azur 840C CD Player Mains PCB BOM Note resisto...

Страница 42: ...Cambridge Audio Azur 840C CD player IC Pin Layout Details TA2153FN Servo PCB U1 TC9462FG Servo PCB U2 42 ...

Страница 43: ...MCU TMP87EP26F 1J15 Servo PCB U3 TA2092N Servo PCB U6 7808 Servo PCB U7 7805 Servo PCB U8 DAC PCB U17 U25 U27 U29 U31 U36 C8050D Servo PCB Q7 Q8 Q11 Q12 43 ...

Страница 44: ...9014C Servo PCB Q13 C8550 Servo PCB Q9 Q10 9015C Servo PCB Q1 TSOP1836SS3V Front Panel PCB U1 PIC16F877A I P Front Panel PCB U2 DS18030 050 Front Panel PCB U3 44 ...

Страница 45: ...PIC12C508A I P Front Panel PCB U4 BA6218 Front Panel PCB U5 BC337 Front Panel PCB Q1 Q2 Q3 Q4 TSOP1836 DAC PCB U1 OP4N25 DAC PCB U2 4011 DAC PCB U3 RX179AT DAC PCB U4 U5 45 ...

Страница 46: ...74VHC14 DAC PCB U6 U15 74VHC153 DAC PCB U7 74HCT153 DAC PCB U9 74VHC32 DAC PCB U8 TX179AT DAC PCB U10 CS8416CZ DAC PCB U11 46 ...

Страница 47: ...CS8406CZ DAC PCB U12 ADSP BF532BSTZ400 DAC PCB U13 7815 DAC PCB U14 U22 U49 U51 47 ...

Страница 48: ...7915 DAC PCB U16 U24 LM1117T_3 3 DAC PCB U18 U26 74VHC125 DAC PCB U19 74HCT125 DAC PCB U20 DS1818 DAC PCB U21 48 ...

Страница 49: ...74HCU04 DAC PCB U23 MAX202CSE DAC PCB U28 LT1963AET DAC PCB U30 AT49BV002AN70TU DAC PCB U32 OPA8421D DAC PCB U33 U34 U37 U38 49 ...

Страница 50: ...DGN DAC PCB U35 U39 OPA2134UA DAC PCB U40 U41 U46 U50 U52 U53 LT1761ES5 BYP DAC PCB U42 U44 LT1761ES5 2 8 DAC PCB U43 U45 7905 DAC PCB U47 U48 AD1955ARS DAC PCB U130 U131 BC807 25 DAC PCB Q2 Q3 Q5 Q7 Q8 Q9 50 ...

Страница 51: ...MPSA14 DAC PCB Q4 Q6 TIP31 DAC PCB Q10 Q11 BC817 25 DAC PCB Q1 Q12 Q13 Q17 Q18 51 ...

Страница 52: ...Circuit Description To Follow 52 ...

Страница 53: ...ontroller chip Type is Microchip PIC16F877A I P and ident on PCB is U2 inside the 840C CD Player Equipment Required 1 x 840C CD Player with mains lead 1 x Desktop PC or Laptop with Windows XP Service Pack 2 installed and with one 9 way D Type serial communications port free 1 x 9 way female female D Type Null Modem Cable Example cable to use is Product Code 976 880 from Farnell http uk farnell com...

Страница 54: ...has switched on and is ready to be used i e No Disc is displayed on the front panel LCD press the Menu button on the front panel 4 times until SOFTWARE VERSION XX YYY Z Z is displayed on the front panel LCD XX is the DSP version number YYY is the DSP build number and Z Z is the PIC version number Note down the full software version number 4 Switch the 840C off using the Power On Off switch on the ...

Страница 55: ...eady to receive new software 5 Load the 840C loader software on your PC or Laptop by pressing Start Programs 840C then select the Loader icon to start up the loader software 6 The picture below shows the first screen that appears on your PC screen Select the number of the communications Comm port that you plugged the Null Modem into on your PC or Laptop then press OK 7 The window that now appears ...

Страница 56: ...e 9 Select the Load File button corresponding to PIC Software Download 10 This will then bring up a browse menu Please locate the latest PIC software the file extension is HEX for the 840C and press Open 11 The loader window will now display File Loaded VX X where X X is the version number as shown below 56 ...

Страница 57: ...button corresponding to PIC Software Download to start the process Programming PIC Processor will now display on the PC screen and the progress bar will start to move Also Loading PIC will be displayed on the 840C front panel LCD 57 ...

Страница 58: ...ime during the process there is a failure an error message will be displayed If this occurs please repeat the steps above If the problem persists please seek advice from our servicing department 15 Switch the unit off via the On Off switch on the rear panel The PIC has been successfully updated Upgrade Instructions DSP Software 58 ...

Страница 59: ...e 840C via the On Off switch on the rear panel 3 Select the Load File button corresponding to DSP Software Download 4 This will then bring up a browse menu Please locate the latest DSP software the file extension is BIN for the 840C and press Open 5 The loader window will now display File Loaded as shown below 6 Now press the Download Code button corresponding to DSP Software Download to start the...

Страница 60: ...the process is complete the program will display the following Also the 840C will return to its Standby mode 8 If at any time during the process there is a failure an error message will be displayed If this occurs please repeat the steps above If the problem persists please seek advice from our servicing department 60 ...

Страница 61: ...cture above and BIN build version is 065 see item 4 DSP picture above 2 Switch the unit off via the On Off switch on the rear panel 3 Remove 9 way D Type Null Modem cable from the 840C 4 Switch the unit on and place a CD in the tray 5 Close the CD tray and play the CD 6 Test all front panel buttons and audio outputs If the unit is functioning correctly then the upgrade is complete The DSP has been...

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