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AL

ALPHA 10/10P SERVICE MANUAL

5

C62

PPRO 100P 63V 5% RA

2D110N

C63

PPRO 150P 5% 63V RA

2D115

C64

PPRO 330P 5% 63V RA

2D133

C65

PPRO 150P 5% 63V RA

2D115

C66

PPRO 330P 5% 63V RA

2D133

C67

PEST 15N 63V 5%

2K315

C68

PEST 15N 63V 5%

2K315

C69

PSTY 56P 160V ENCAP 1PF%

2F056

C70

PSTY 56P 160V ENCAP 1PF%

2F056

C71

ELST NON POLAR 10UF 35V

2U610

C72

ELST NON POLAR 10UF 35V

2U610

C73

ELST NON POLAR 10UF 35V

2U610

C74

ELST NON POLAR 10UF 35V

2U610

C75

PEST 47N 63V 10%

2K347

C76

PEST 47N 63V 10%

2K347

C77

PEST 47N 63V 10%

2K347

C78

PEST 47N 63V 10%

2K347

C79

ELST NON POLAR 10UF 35V

2U610

C80

ELST NON POLAR 10UF 35V

2U610

C81

MLC 22P 100V NPO 5% SM

2C022

C82

MLC 22P 100V NPO 5% SM

2C022

C83

ELST 100U 25V

2N710

C84

MLC 100N 50V X7R 10% SM

2C410

C85

MLC 100N 50V X7R 10% SM

2C410

C86

MLC 100N 50V X7R 10% SM

2C410

C87

MLC 100N 50V X7R 10% SM

2C410

C88

MLC 100N 50V X7R 10% SM

2C410

C89

MLC 100N 50V X7R 10% SM

2C410

C90

ELST 10U 50V

2N610

C91

PPRO 680P 63V 5% RA

2D168

C92

MLC 10N 50V X7R 10% SM

2C310

C93

MLC 1N0 50V X7R 10% SM

2C210

C94

MLC 10N 50V X7R 10% SM

2C310

C95

ELST 10U 50V

2N610

C96

ELST 10U 50V

2N610

C97

MLC 100N 50V X7R 10% SM

2C410

C98

MLC 10N 50V X7R 10% SM

2C310

C99

CERD 10PF 63V 10%

2A010

C100

CERD 10PF 63V 10%

2A010

D1

ZENER 15V 400MW

3C11504

D2

ZENER 15V 400MW

3C11504

D3

ZENER 10V 400MW

3C11004

D4

ZENER 10V 400MW

3C11004

D5

ZENER 10V 400MW

3C11004

D6

ZENER 10V 400MW

3C11004

D7

ZENER 10V 400MW

3C11004

D8

ZENER 10V 400MW

3C11004

D9

ZENER 10V 400MW

3C11004

D10

RECT FIER 6A40 6A 400V

3B6A40

D11

RECT FIER 6A40 6A 400V

3B6A40

D12

RECT FIER 6A40 6A 400V

3B6A40

D13

RECT FIER 6A40 6A 400V

3B6A40

D14

RECT FIER 1N4003F 1A 200V

3B4003

D15

RECT FIER 1N4003F 1A 200V

3B4003

D16

SSDIODE 1N4148 75V

3A4148

D17

SSDIODE 1N4148 75V

3A4148

D18

RECT FIER 1N4003F 1A 200V

3B4003

D19

RECT FIER 1N4003F 1A 200V

3B4003

D20

SSDIODE 1N4148 75V

3A4148

D21

RECT FIER 1N4003F 1A 200V

3B4003

D22

RECT FIER 1N4003F 1A 200V

3B4003

D23

RECT FIER 1N4003F 1A 200V

3B4003

D24

RECT FIER 1N4003F 1A 200V

3B4003

D25

RECT FIER 1N4003F 1A 200V

3B4003

D26

SSDIODE 1N4148 75V

3A4148

D27

RECT FIER 1N4003F 1A 200V

3B4003

D28

SSDIODE 1N4148 75V

3A4148

D29

ZENER 4V7 400MW

3C04704

D30

SSDIODE 1N4148 75V

3A4148

D31

SSDIODE 1N4148 75V

3A4148

D32

SSDIODE 1N4148 75V

3A4148

D33

SSDIODE 1N4148 75V

3A4148

D34

SSDIODE 1N4148 75V

3A4148

D35

SSDIODE 1N4148 75V

3A4148

D36

SSDIODE 1N4148 75V

3A4148

D37

SSDIODE 1N4148 75V

3A4148

D38

SSDIODE 1N4148 75V

3A4148

D39

ZENER 12V 3W SM

3C03C12

D40

SSDIODE 1N4148 75V

3A4148

D41

ZENER 12V 3W SM

3C03C12

D42

SSDIODE 1N4148 75V

3A4148

D43

ZENER 5V6 400MW

3C05604

D44

ZENER 24V 3W SM

3C03C24

D45

RECT FIER 1N4003F 1A 200V

3B4003

D46

SSDIODE 1N4148 75V

3A4148

D47

SSDIODE 1N4148 75V

3A4148

Summary of Contents for Alpha 10

Page 1: ...plifier The voltage amplifier consists of another differential pair Q48 49 50 and 51 Q48 and 50 are the positive pulling side of the voltage amplifier output and Q49 and 51 pull negative via a current...

Page 2: ...or for the ve MOSFET is equal to the d c mode static reference level and at the half way point of the signal The result is a perfect square wave output from the comparator Under these conditions the v...

Page 3: ...the constant power supply from standby transformer TX2 This enables the amplifier to be switched on or off remotely from the remote bus or in the case of the integrated amplifier from an infra red rem...

Page 4: ...3V 2N622 C9 ELST 10U 50V 2N610 C10 ELST 10U 50V 2N610 C11 ELST 1U0 50V 2N510 C12 PPRO 4N7 63V 5 RA 2D247N C13 SUPPR CAP 4N7 250V 2K247 C14 PPRO 150P 5 63V RA 2D115 C15 ELST 10U 50V 2N610 C16 ELST 10U...

Page 5: ...ZENER 15V 400MW 3C11504 D3 ZENER 10V 400MW 3C11004 D4 ZENER 10V 400MW 3C11004 D5 ZENER 10V 400MW 3C11004 D6 ZENER 10V 400MW 3C11004 D7 ZENER 10V 400MW 3C11004 D8 ZENER 10V 400MW 3C11004 D9 ZENER 10V...

Page 6: ...S AUDIO DRIVER P 2SA1964 4B1964 Q7 TRANS LF SS P SM BC856B 4A856B Q8 TRANS LF SS N SM BC846B 4A846B Q9 TRANS LF SS N SM BC846B 4A846B Q10 TRANS LF SS N SM BC846B 4A846B Q11 TRANS LF SS N SM BC846B 4A8...

Page 7: ...310 R29 RESISTOR SM W4 1K5 2 1A215 R30 RESISTOR SM W4 120K 2 1A412 R31 RESISTOR SM W4 120K 2 1A412 R32 RESISTOR SM W4 100K 2 1A410 R33 RESISTOR SM W4 12K 2 1A312 R34 RESISTOR SM W4 11K 2 1A311 R35P RE...

Page 8: ...1W 5R6 5 1E856 R114 RESISTOR SM W4 47R 2 1A047 R115 RESISTOR SM W4 1K5 2 1A215 R116 RESISTOR SM W4 10K 2 1A310 R117 RESISTOR SM W4 1K5 2 1A215 R118 RESISTOR SM W4 33K 2 1A333 R119 RESISTOR SM W4 33K 2...

Page 9: ...0K 2 1A410 R198 RESISTOR SM W4 4K7 2 1A247 R199 RES MF FU W3 1R0 5 NFR25 1G810 R200 RES CF 1W 2K7 5 1E227 R201 RESISTOR SM W4 22K 2 1A322 R202 RESISTOR SM W4 100K 2 1A410 R203 RESISTOR SM W4 2K4 2 1A2...

Page 10: ...LM56CIM 5M56 Z11 IC THERMOSTAT SM LM56CIM 5M56 Z12 IC CMOS EPROM 24C02 SM 5G2402 Z13 IC COMPARITOR SM DUAL LM393A 5M393AD ALPHA 10 PREAMPLIFIER BOARD PARTS LIST Ref No Description Part No C1 ELST NON...

Page 11: ...STOR SM W4 22K 2 1A322 R56 RESISTOR SM W4 22K 2 1A322 R57 RESISTOR SM W4 22K 2 1A322 R58 RESISTOR SM W4 47R 2 1A047 R59 RESISTOR SM W4 47R 2 1A047 R60 RESISTOR SM W4 47R 2 1A047 R61 RESISTOR SM W4 47R...

Page 12: ...0R 1 1H115 R3 RES MF W4 150R 1 1H115 R4 RES MF W4 150R 1 1H115 R5 RES MF W4 150R 1 1H115 R6 RES MF W4 150R 1 1H115 R7 RES MF W4 150R 1 1H115 R8 RES MF W4 150R 1 1H115 R9 RES MF W4 4K7 1 1H247 R10 RES...

Page 13: ...2 3 4 5 6 SKT1 JST 6W HEADER ACDet SUP 15V 15V SUP 3rd Ch Power Digital Supply 1 2 3 4 5 6 7 8 SK11 WTRAP2 5X8V 15V 15V Pre Amp Audio Input Kit Masks 1 For Integrated Amp use N F inclusive 2 For Power...

Page 14: ...61 100R SM 15V R164 560R SM1 Q20 BC849B Q21 BC849B R166 2K2 SM R119 33K SM 15V R172 10R SM C69X 56P PS 3 2 1 Z3A TL072 SM R176 470K SM R177 470K SM C71 10U NP R38 47K SM C75 47N PE R59 1M0 SM C64 330P...

Page 15: ...Input ABSUP 5 6 7 Z4B TL072 SM R64 2M2 SM Bias Level detector Auto Bias Servo Voltage Servo OUTPUT2 ATE_PAD INPUT2 ATE_PAD VSERVO2 ATE_PAD ISERVO2 ATE_PAD STABLE2 ATE_PAD C5 100U EL 100V 4 5 6 SW2B 2P...

Page 16: ...X1 ThermX_RST Option PCB Display PCB 5V Rmin Remote PCB PWR Amp Control Thermal Protection Mains VI Fault detection R218P 220R SM Q58R BC859B R225R 1K0 SM REMK LL1 ATE IR RX Disable pad User IR RX Dis...

Page 17: ...R221 470R 1W CF Q61 BC849B R227 10R FU C83 100U EL R80 10K SM Q31 BC849B R83 100R SM 5V R28 10K SM R198 4K7 SM Q37 BC849B Q62 BC849B R213 47R SM R209 4K7 SM 5V Send Break R220 100K SM L3 27MH C91 680...

Page 18: ...E1_1 TAPE1_2 TAPE2_0 TAPE2_1 TAPE2_2 SOURCE_0 SOURCE_1 SOURCE_2 TAPE1_0 TAPE1_1 TAPE1_2 TAPE2_0 TAPE2_1 TAPE2_2 SOURCE_0 SOURCE_1 SOURCE_2 MCLR 1 RA0 2 RA1 3 RA2 4 RA3 5 RA4 T0CKI 6 RA5 SS 7 RE0 RD 8...

Page 19: ...erR AVR Aux2R Aux1R Tape1IR Tape2IR PlugR 3 2 1 Z12A TL072 SM 5 6 7 Z12B TL072 SM 8 4 Z12C TL072 SM 3 2 1 Z13A TL072 SM 5 6 7 Z13B TL072 SM 8 4 Z13C TL072 SM R38 100K SM R39 100K SM R40 100K SM R41 10...

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