Arcam A85 service manual Circuit Diagram

1

2

3

4

5

6

7

8

+5V

Q1

Q2

R1

R2

R3

R4

R5

R6

R7

R8

R68

R9

R10

R11

R12

R13

R14

R15

R16

BC847B

BC847B

R17

R18

R19

R20

R21

R22

R25

R24

R23

R31

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

10K SM

1K5 SM

1K5 SM

1K5 SM

1K5 SM

1K5 SM

1K5 SM

1K5 SM

1K5 SM

1K5 SM

1K5 SM

SW6

TACTSW SM

SW8

SW7

TACTSW SM

TACTSW SM

TACTSW SM

A1506

TACTSW SM

SW1

SW4

SW2

SW5

SW3

SW10

SW9

A1509

SW12

SW11

A1509

A1509

SW13

SW14

SW15

SW17

SW16

A1509

A1509

A1509

A1509

A1509

A1509

A1509

R29

LED7

LED8

LED6

LED3

LED10

LED9

LED1

LED4

LED2

LED5

10K SM

R30

R33

R34

10K SM

D

IND1

IND2

IND3

IND4

IND5

IND6

IND7

IND8

IND9

IND10

D

IND12

330R SM

150R SM

IND11

BUT1

0V_D

BUT2

BUT3

BUT4

BUT5

BUT6

BUT7

BUT8

BUT17

BUT9

BUT10

BUT11

BUT12

BUT13

BUT14

BUT15

BUT16

LED GREEN3.1MM

LED GREEN3.1MM

LED GREEN3.1MM

LED GREEN3.1MM

LED GREEN3.1MM

LED GREEN3.1MM

LED GREEN3.1MM

LED GREEN3.1MM

LED GREEN3.1MM

LED GREEN3.1MM

LED11

5

Z7B

+5V

2V7

0V5

F1 to F2 = 4Vac 150mA

LED RED/GRN 3MM

7

+5V

SP1

DISP1

VDD2 = 40Vdc 20mA

R

6

DOUBLE SIDED

G

R35

R36

R39

+5V

+5V

STICKY PAD

Graphics Display

LM393A SM

10K SM

10K SM

2K2 SM

R74

10 X 15MM

0V_D

10K SM

STICKY PAD DS 10X15MM

0V_D

Z6B

R40

Z8A

R47

SP2

R50

4K7 SM

0V_D

4K7 SM

R73

IRIN

DOUBLE SIDED

SIN VDD1

SOUT LAT BLK CLK VSS VSS VDD2

TRANSMIT

SAMHOLD

5

SAMTX2

3

10K SM

IRIN

STICKY PAD

F1 F1 F1

F2

F2 F2

10K SM

2V7

7

SAMDATA

2V7

1

SAMBUSY

Q4

10 X 15MM

+5V

+5V

2

6

STICKY PAD DS 10X15MM

1 2 3

4 5 6 7 8 9

10 11 12

15 16 17

BC847B

DC1

LM393A SM

R38

LM393A SM

R46

+5V

R37

1K2 SM

R45

1K2 SM

DISPLAY CRADLE

VFD_VDD2

LEFTAUDIO

10U EL SM

10K SM Z6A

0V5

10K SM Z8B

0V5

R76

Q3

E916PM

DISPDAT

2

6

IROUT

BC847B

DISPLAY CRADLE E916PM

B1013

C11

+5V

RECEIVE

1

SAMRX2

7

10K SM

DISPLAT DISPBLK DISPCLK

3

0V_D

5

0V_D

+5V

R75

DC2

0V_D

+

Q_54

R43

10K SM

DISPLAY CRADLE

LM393A SM

LM393A SM

3

E916PM

100K SM

DISPLAY CRADLE E916PM

R41

2

+5V +5V

O/P

Z11A

100K SM

+5V

0V_D

Z7A

O/P

C6

+5V

AD8532 SM

3

LM393A SM

R49

SM R48

RX1

Case

Case

GND

GND

100N SM

+5V

3

1

R58

R52

1

10K SM

SBX1610-52/PIC-26043TM2

F1CLOCK

2

0R0 SM

2

R56

100R SM

0R0

1

R28

R27

10K SM

R42

R44

0V_D

SM

SM

100K SM

100K SM

SW18

10K

10K

5

R59

C

ALPS_ENCODER

PHASEA

F2CLOCK

R53

7

C

A

1

6

0R0 SM

+5V

C9

2

PHASEB

100R SM

0V_D

B

R57

Z11B

10K SM

100N SM

AD8532 SM

ACPRESENT

Programming adaptor

C

3

0V_D

F1CLOCK

F2CLOCK

PHASEB

PHASEA

VIPROT DCPROT

SK4

0V_D

4

5

SEL8 SEL9

MUTE

TONE

IRIN

RECEIVE

2

1

TRANSMIT

4

3

RESPIN

VPROG

6

5

0V_D

8

7

PB0

10

9

SAMHOLD

12

11

+5V

14

13

HEADER 7X2HORIZ

+ C14

0V_D

C3

10U EL SM

+5V

100N SM

SK2

+5V

SAMDATA

1

100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76

0V_D

2

Z1

Q_19

3

C17

SAMBUSY

PA7 PA6 PA5

PA4

PA3

PA2

PA1

PA0

Vss

P8.4/CS0

P8.3/IRQ3 P8.2/IRQ2 P8.1/IRQ1 P8.0/IRQ0

AVss

P7.7/AN7/DA1

P7.6/AN6/DA0

P7.5/AN5

P7.4/AN4

P7.3/AN3

P7.2/AN2

P7.1/AN1

P7.0/AN0

Vref

AVcc

+5V

Q_20

4

100N SM

+5V

D2

+5V

5

R26

BAS16W SM

0V_D

1

Vcc

MD2

75

AMPCT5

PB0

2

74

10K SM

0V_D

+5V

R55

PB0

MD1

SEL7

3

73

10K SM

SEL6

4

PB1

MD0

72

STANDBY

To power amp / PSU

PB2

P6.6/LWR

SEL5

5

71

SP1ON

C1

SK1

+SUP

PB3

P6.5/HWR

SEL4

6

70

SP2ON

18P SM

C60A

100PX4 SM

14

Q_121

D3

PB4

P6.4/RD

SEL3

7

69

THERMPROT

C60B

100PX4 SM

13

PB5

P6.3/AS

BAS16W SM

SEL2

8

68

X1

C60C

100PX4 SM

12

PB6

Vcc

Q_122

SEL1

9

67

16MHZ SM

C60D

100PX4 SM

11

STANDBY

VPROG

10

PB7

XTAL

66

0V_D

+5V

C61A

100PX4 SM

10

SP1ON

Q_123

Vpp/RESO

EXTAL

Q_124

11

65

C2

C61B

100PX4 SM

9

SP2ON

R64

Vss

Vss

Q_125

B

DISPDAT

12

64

18P SM

C12

+ C33

+ C34

C61C

100PX4 SM

8

B

TxD0/P9.0

NM1

THERMPROT

100R SM

TRANSMIT

13

H8/3048F

63

RESPIN

220U EL

220U EL

C61D

100PX4 SM

7

VIPROT

Q_126

TxD1/P9.1

RES

100N SM

Q_127

14

62

C62A

100PX4 SM

6

DCPROT

RECEIVE

RxD0/P9.2

STBY

Q_128

15

61

C4

C62B

100PX4 SM

5

R65

RxD1/P9.3

CLKOUT

ACPRESENT

DISPCLK

16

60

100N SM

SAMTX2

+5V

Z2

0V_D

C62C

100PX4 SM

4

IRQ4/SCK0/P9.4

P6.2/BACK

Q_129

100R SM

17

59

SAMRX2

3

(FIT CLOSE TO SK1)

C62D

100PX4 SM

3

IRIN

R66

IRQ5/SCK1/P9.5

P6.1/BREQ

Vcc

DISPBLK

18

58

BUT17

2

C63A

100PX4 SM

2

R67

D0/P4.0

P6.0/WAIT

Res

DISPLAT

100R SM

19

57

C63B

100PX4 SM

1

TONEID

D1/P4.1

Vss

BUT9

DS1233

100R SM

20

56

C7

4

D2/P4.2

P5.3/A19

Gnd

SDATA

21

55

BUT8

1

C63C

100PX4 SM

FFC 14W 2.54MM HOR

D3/P4.3

P5.2/A18

Gnd

22

54

BUT7

0V_D

SLOAD

23

Vss

P5.1/A17

53

BUT6

100N SM

DS1233 SM

C63D

100PX4 SM

D4/P4.4

P5.0/A16

C31

C32

SCLK

24

52

BUT2

D5/P4.5

P2.7/A15

10P SM

10P SM

25

51

IND3

0V_D

D6/P4.6

P2.6/A14

D10/P3.2

D11/P3.3

D12/P3.4

D13/P3.5

D14/P3.6

D15/P3.7

A10/P2.2

A11/P2.3

A12/P2.4

A13/P2.5

D7/P4.7 D8/P3.0 D9/P3.1

A0/P1.0 A1/P1.1 A2/P1.2 A3/P1.3

A4/P1.4

A5/P1.5

A6/P1.6

A7/P1.7

A8/P2.0

A9/P2.1

CHASSIS 2

0V_D

Vcc

Vss

H8/3048F

0V_D 0V_D

0V_D

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

+5V

R51

100R SM

To preamp board

D5

SK3

SEL1

+SUP

BAS16W SM

VFD_VDD2

0V_D

C50A

100PX4 SM

22

C50B

100PX4 SM

21

SEL2

Z12

+5V

C50C

100PX4 SM

20

SEL3

7815

+5V

C5

C50D

100PX4 SM

19

SEL4

I

Vin

Vout

O

C51A

100PX4 SM

18

SEL5

R32

100N SM

GND

8

8

8

8

IND10

BUT13

BUT11

IND4 BUT14

BUT12

BUT10

BUT15 IND6

BUT16

IND11 IND12

C51B

100PX4 SM

17

SEL6

+

+

BUT4

BUT5

IND1 BUT1

BUT3

IND8

IND9

IND7

IND5

IND2

10K SM

C51C

100PX4 SM

16

SEL7

C26

+ C29

Z6C

Z7C

0V_D

C51D

100PX4 SM

15

SEL8

G

C27

C28

Z8C

C16

Z11C

100U EL SM

10U EL SM

C52A

100PX4 SM

14

SEL9

100N SM

10U EL SM

LM393A SM

C10

LM393A SM

C15

LM393A SM

100N SM

AD8532 SM

C25

5 6

7

C52B

Z5

100PX4 SM

13

LEFTAUDIO

4

100N SM

4

100N SM

4

4

100N SM

SDA SCL

WP

C52C

100PX4 SM

12

24C02 SM

D4

C52D

100PX4 SM

11

MUTE

22V 350MW SM

4

8

C53A

100PX4 SM

10

VSS

VDD

C53B

100PX4 SM

9

TONE

0V_D

A2 A1 A0

C8

C53C

100PX4 SM

8

Q_117

100N SM

C53D

100PX4 SM

7

TONEID

A

3 2 1

C54A

100PX4 SM

6

Q_118

A

C54B

100PX4 SM

5

SDATA

0V_D

C54C

100PX4 SM

4

Q_119

C54D

100PX4 SM

3

SLOAD

C55A

100PX4 SM

2

Q_120

DRAWING TITLE

0V_D

SCLK

C55B

100PX4 SM

1

MARY AMP DISPLAY PCB

C55C

100PX4 SM

FFC 22W 1MM HOR

C55D

100PX4 SM

2R2 SM

2R2 SM R70

2R2 SM R69

2R2 SM

R72

R71

23425

Circuit Diagram

CHASSIS 1

0V_D

Notes:

EDD

19/07/2001

IR DUAL FOOTPRINT ADDED

2.0

A & R Cambridge Ltd.

ISSUE 1.1

Pembroke Avenue

00_1103

JBR

29 SEP 2000

SW1 TO SW10 CHANGED

0V_D

Denny Industrial Centre

ECO No.

INITIALS

DATE

DESCRIPTION OF CHANGE

ISSUE

Waterbeach

Filename

Drawn by:

Cambridge CB5 9PB

Date Printed

Sheet 2 of 2

DRAWING NO.

L865C2

1

2

3

4

5

J:\Completed_Projects\A85 (Mary)\mary display\L865_2\l865_2.0 dbase.ddb - Documents\L865C2-Jan2.0-2002.SCH

JBR

6

7

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