Arcam SA30 Manuale utente

CONTENTS

30 WATT AMPLIFIER

(SA-30)

SERVICE MANUAL

ELECTRICAL PARTS LIST

Ref. No. Description Mfr s Part No.

Resistors

(All carbon film 1/4w 5%,unless noted otherwise)

R38 8.2Kohm RFB282S

R39 4.7Kohm RFB247S

R40 1.2Kohm RFB212S

R41 15ohm RFB110S

R43 2.2Kohm RFB222S

R45 5.6Kohm RFB256S

R46 820ohm RFB182S

R47 150ohm RFB150S

R48 4.7Kohm RFB247S

R49 4.7Kohm RFB247S

R5 10Kohm RFB310S

R50 100ohm RFB110S

R51 10ohm RFB010S

R52 15ohm RFB015S

R53 100ohm RFB110S

R57 10ohm RFB010S

R6 330ohm RFB133S

R7 1Kohm RFB210S

R78 270Kohm RFB427S

R8 10Kohm RFB310S

R82 22Kohm RFB322S

R85 12Kohm RFB312S

R80 10Kohm RFB310S

R79 10Kohm RFB310S

Resistors

(5W cement resistor)

R34 0.2ohm RF5G2A

Resistors

(1W metal oxide film resistor)

R86 10ohm RF1010

R35 47ohm RF1047

SPECIFICATIONS 1

TROUBLESHOOTING

BLOCK DIAGRAM

TRANSFORMER AND TRANSISTOR

SCHEMATIC DIAGRAM

PRINTED CIRCUIT BOARDS

EXPLODED VIEWS

ELECTRICAL PARTS LIST

SPEAKER OUTPUT CONNECTION 2

4~5

7~11

ELECTRICAL PARTS LIST

Ref. No. Description Mfr s Part No.

Resistors

(All carbon film 1/4w 5%,unless noted otherwise)

R29 47Kohm RFB347S

R28 47Kohm RFB347S

R44 39Kohm RFB339S

R27 33Kohm RFB333S

R64 27Kohm RFB327S

R68 270Kohm RFB427S

R32 33Kohm RFB333S

R54 27Kohm RFB327S

R42 22Kohm RFB322S

R22 18Kohm RFB318S

R37 12Kohm RFB312S

R31 12Kohm RFB312S

R30 12Kohm RFB312S

R36 10Kohm RFB310S

R15 10Kohm RFB310S

R11 10Kohm RFB310S

R60 27Kohm RFB327S

R1 1Kohm RFB210S

R12 330ohm RFB133S

R13 5.6Kohm RFB256S

R14 5.6Kohm RFB256S

R16 2.2Kohm RFB222S

R17 2.2Kohm RFB222S

R2 10Kohm RFB310S

R20 270ohm RFB127S

R21 680ohm RFB168S

R25 5.6Kohm RFB256S

R26 1Kohm RFB210S

R33 15ohm RFB015S

SPECIFICATIONS

PHONO-57~-53-55

MIC2-57~-53-55

MIC1-57~-53-55dBsensitivityInput

AUX1-22~-18-20

at 16

>2222.25

at 8

>1415.06VoutputRated

at 4

>1011

>5055dBRatioSignal-to-noise

<21%distortionharmonicTotal

107~127117VsourcePower

REMARKLIMITNOMINALUNITITEM

NOTE:

Nominal specs represent the design specs, All units should be able to approximate

these some will exceed and some may drop slightly below these specs. Limit specs

represent the absolute worst condition these still might be considered acceptable; In

no case should a unit fail to meet limit specs.

TROUBLE SHOOTING

SYMPTOM

Unit does not operate

Output is too small

Ineffective volume control

hloose pl g for power line:

replug into socket.

fuse is burnt out:

replace it.

houtput transformer open:

replace OT-30.

check Q9~Q14:

replace the defective components.

hdefective driver unit:

replace driver it.

houtput transformer open:

replace OT-30.

VR1. VR2. VR3 is out of oder

replace

VR1. VR2. VR3

CAUSE AND REMEDY

ELECTRICAL PARTS LIST

Ref. No. Description Mfr s Part No.

Resistors

(All carbon film 1/4w 5%,unless noted otherwise)

R72 75Kohm RFB375S

R81 75Kohm RFB375S

R61 10Kohm RFB310S

R86 7.5Kohm RFB275S

R83 7.5Kohm RFB275S

R77 5.6Kohm RFB256S

R74 5.6Kohm RFB256S

R70 5.6Kohm RFB256S

R84 4.7Kohm RFB247S

R66 3.9Kohm RFB239S

R65 3.9Kohm RFB239S

R87 1Kohm RFB210S

R58 62Kohm RFB362S

R62 82Kohm RFB382S

R67 1Kohm RFB210S

R76 820ohm RFB182S

R71 820ohm RFB182S

R73 680ohm RFB168S

R63 680ohm RFB168S

R9 3.3Mohm RFB533S

R3 3.3Mohm RFB533S

R59 47Kohm RFB347S

R69 82Kohm RFB382S

R10 560Kohm RFB456S

R4 560Kohm RFB456S

R23 390Kohm RFB439S

R24 330Kohm RFB433S

R19 100Kohm RFB410S

R18 100Kohm RFB410S

SPEAKER OUTPUT CONNECTION

the amplifier mag be used in conjunction with a speaker rated at 4,

8, 16 ohms or with 100V constant-voltage speaker systems.

BLOCK DIAGRAM

MIC1

MIC2

COM

4 OHM

8 OHM

16 OHM

100V

-55dB

10K ohms

50K ohms

-55dB

10K ohms

50K ohms

AUX

10K

PHONO

INPUT

MASTER

POWER

AMP

POWER

SWITCH

AC FUSE

AC 117v/60Hz

150Hz

1KHz

6KHz

PRIORITY

TO POWER AMP

POWER LED

VOL PCB

POWER PCB

PU PCB

TO PRE AMP

OT-500

8W8W

COM 4W

Total impedance 16W

8W16W100V

8W8W

COM 4W

Total impedance 16W

8W16W100V

COM 4W8W16W100V

8W8W

Total impedance 4W

16W16W

COM 4W

Total impedance 8W

8W16W100V

TRANSFORMER AND TRANSISTOR LEAD IDENTIFICATION

TRANSISTORS

TRANSFORMER (OPT-30)

SCHEMATIC DIAGRAM

VR1

A50K

VR2

A50K

VR3

A50K

R58

56K

R61

10K

R60

27K

R13 5.6K

R14 5.6K

R16

2.2K

R17

2.2K

R15

10K

R20

270 R19

100K

R24

330K

R25

5.6K

R22

18K

R23

390K

R20

270

R21

680

C18 470P

C17

100P

C15

(MC).0033U

C16

(MC).015U

C13 470

C12

.001U

C20

1U/50V

C11

10U/16V

C14

47U/25V

C10

.001U

C1815

R41

100

R40

1.2K

R37

12K

R38

8.2K

D4 4001

C30

47U/25V

C31

100U/50V

R34

1W 2.2K

R35

1W 47

R36

10K

Q7 C1815

C1815

C33

100U/50V

C32

47U/25V

1/2W 9.1V

R39

4.7K

-4

C21

(MC).0047U

C22

(MC).0047U

C23

2200U/35V

C24

2200U/35V

4001

POW-SW

FUSE

AC 22OV

50HZ/50W

C28

10U/16V

CN4

LED POW

R27

33K

R29

47K

R26

R28

47K

C25

10U/16V C26

22U/16V

C1815

C29

33U/16V

R32

33K

R33

15 D2

4148

R31

12K

R30

12K

C27

33U/16V

R59

47K

R62

82K

Q19

C1815

Q20

C1815

Q16

C1815

Q17

C1815

Q18

C1815

Q14

D718

Q12

C2240

Q13

A1015

Q11

A1015

C2240 Q10

C2240

R82

22K

R81

7.5K

R83

7.5K

R87

R86

7.5K

R84

4.7K

R67

R85

12K

R68

33P

R63

680

R78

270K

R79

10K

R64 22K

R65

3.9K

R69

82K

R71

820 R70

5.6K

R72

75K

R73

680

R80

10K

R75

75K

R76

820 R77

5.6K

D12

4148

D13

1/2W 3V

C58

100U/16V

C57

10U/16V

C40

.47U/50V

C43

10U/16V

C44

1U/50V

C46

.47U/50V

C55

(MC).033U

C54

.22U/50V

C53

1U/50V

C38

10U/16V

C56

10U/16V

VR7

A50K

VR4

W50K

VR5

W50K

VR6

W50K

U1B

MC4558G 2

U1A

MC4558G

C41

33P

C59

(MC).068U

C45

150P

C42 33P

C49

33P

C51

10P

C48

(MC).015U

C50

(MC).0022U

C52

330P

R66

3.9K

C47

33P

R74

5.6K

Q15

D718

R49

4.7K

R50

100

R55

5W 0.2

R51

R47

150

R48

4.7K

R52

R54

27K

R53

100

R43

R57

R46

820

R44

39K

R45

5.6K

R42

22K

1W 18V

4001

C34

.47U/50V

C37

22P

C35

100U/50V

C36

100U/50V

D11

4148

D10

4148

R56

5W 0.2

OPT-30W

R86

1W 10

COM

4 OHM

8 OHM

16 OHM

100V

CN9

C39

100P

GND

AUX

GND

OUT

GND

AUX

GND

OUT

CN6

CN8

PRIORITY

CN5 PT IN

OUT

+23V

-VCC

+VCC

AUX

PHONO

CN7

CN2

2SC1815GR

C2240

C1015

ECB

BK BR R O Y

O 4 8 16 100

RN OT-30

BK W

SPECIFICATION

Pri: 0-6: 0.2 10%

Sec: 0-4: 0.4 5%

0-8: 0.5 5%

0-16: 0.5 5%

0-100: 10.1 5%

ELECTRICAL PARTS LIST

Ref. No. Description Mfr s Part No.

Electrolytic

Capacitors

C30 47uF 25V CE647E

C31 100uF 50V CE710G

C32 47uF 25V CE647E

C33 100uF 50V CE710G

C34 0.47uF 50V CE447G

C35 100uF 50V CE710G

C36 100uF 50V CE710G

C38 10uF 16V CE610D

C4 0.47uF 50V CE447G

C40 0.47uF 50V CE447G

C43 100uF 16V CE710N

C44 10uF 16V CE510G

C46 0.47uF 50V CE447G

C5 100uF 50V CE710G

C53 10uF 16V CE510G

C54 0.22uF 50V CE422G

C56 100uF 16V CE710N

C57 100uF 16V CE710N

C7 1uF 50V CE510G

C9 0.47uF 50V CE447G

Mylar Capacitors

C16 0.015 50V CL315G

C21 0.0047 50V CL247G

C22 0.0047 50V CL247G

C48 0.015 50V CL315G

C50 0.0022 50V CL222G

C55 0.033 50V CL333G

C59 0.068 50V CL368G

R75 75Kohm RFB375S

PRINTED CIRCUIT BOARDS (bottom views)

OUTPUT PCB

POWER PCB

PRE-PCB

30 WATT-VOL

30 WATT-PU

30 WATT-POW

ELECTRICAL PARTS LIST

Ref. No. Description Mfr s Part No.

Ceramic Capacitors

C1 0.001uF Z5E CC210G

C10 0.001uF Z5E CC210G

C12 0.001uF Z5E CC210G

C13 470PF Y5E CC147D

C17 100PF SL CC110C

C18 470PF Y5E CC147D

C3 22PF NPO CC022B

C37 100PF SL CC110C

C39 100PF SL CC110C

C41 33PF NPO CC033B

C42 33PF NPO CC033B

C45 150PF SL CC115C

C47 33PF NPO CC033B

C49 33PF NPO CC033B

C51 10PF NPO CC010B

C52 330PF Y5E CC133D

C6 0.001uF Z5E CC210G

C8 22PF NPO CC022B

Electrolytic

Capacitors

C11 10uF 16V CE610D

C14 47uF 25V CE647E

C2 1uF 50V CE510G

C20 1uF 50V CE510G

C23 2200uF 35V 16*31.5mm CE822F

C24 2200uF 35V 16*31.5mm CE822F

C25 10uF 16V CE610D

C26 22uF 16V CE622D

C27 33uF 16V CE633D

C28 10uF 16V CE610D

C29 33uF 16V CE633D

PRINTED CIRCUIT BOARDS (top views)

OUTPUT PCB

POWER PCB

PRE-PCB

EXPLODED VIEWS

1. 34.5 knob

2. 15 knob

3. swi ch

4. face board

5. wood washer

6. LED 3

7. front board

9. PCB

10. bottom board

11. hole covering board

12. rubber foot spacer

13. color screw bill 4 10

14.

six angle screw cap 4

plated black screw flat 3 7

15. color scew fat 4 12

16. PT

17. OT

18. PCB

19. 10mm Cu pole

20.

21. L type fixed frame

22. head sink

23. top cover

24.

25. back board

26. fuse

27.

plated black screw flat 3 10

plated black screw flat 4 6

plated black screw flat 3 12

28. insulating plate

29. terminal

30. wire tie

31.

32. 7P

7P terminal stage protective cover

terminal stage

33. PCB

34. Ni screw flat 4 12

35. plated black screw 3 8

36. six angle screw cap

37. PCB

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