Harman Kardon SIGNATURE 1.5 Technical Manual Download

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Two Channel Amplifier

Harman Kardon

SIGNATURE 1.5

ALL RESISTORS ARE 1/8W

UNLESS OTHERWISE SPECIFIED
SET BIAS ACROSS

P4-1, P4-2 TO 18 MV

BY ADJUSTING R69

NOTES

R95

1.3K

R98

1.3K

C35

102

R97

100

R94

100

C34

102

R75

1.0K

R77

1.0K

Q48

2SA1376

AGND2

C23

476

100V

R120

C38

10V

477

CHANNEL 1

INPUT

RCA/1S

GND2

R119

100K

C47

271

R118

33,2K

GND2

C14

104E

200V

+77VOC.CH2

Q57

A06

Q55

A06

D16

D1N4148

C33

10V

477

C25

10P

500V

MUTE

R102

47K

Q53

2SC2240

Q52

2SC2240

R99

120

R96

120

R53

33.2K

BAV20

D12

R59

1.5K

GND2

C19

181M

500V

Q49

2SA1376

R71

P2-1

Q10

2SC5242

Q11

2SC5242

Q18

2SC5242

Q26

2SC5242

Q27

2SC5242

Q19

2SC5242

R27

R1W

.33

R23

R1W

.33

R19

R1W

.33

BR2

80V

828

80V

828

C10

104E

200V

P1-2

P1-1

P1-3

6.8K

-77VDC.CH2

R73

1.0K

R76

1.0K

GND2

R72

1.0K

558

Q25

2SA1962

Q24

2SA1962

Q17

2SA1962

Q16

2SA1962

R22

R1W

.33

R26

R1W

.33

R18

R1W

.33

RES/IND.2UH

2UH

R107

RES-5W

R117

750

R103

180

GND2

D10

D1N4148

C37

476

100V

828

80V

6.8K

80V

828

GND2

P3-7 +12 VDC

PHONE JACK

3.5MM

R106

10K

R104

100

P3-6

R105

10K

STAND BY

THERM SWITCH

GND

P3-2

P3-1

THERSW

TH124

DCSENSE

P3-5

P3-3

MUTE

R15

3.3K

+77V.CH2

FAULT

R85

C15

104

A56

R14
47K

P3-4

FAULT

SENSE

1N4004

-77VDC.CH2

GND2

C32

104

100V

R53

Q34

2SC3502

R74

1.0K

Q47

2SC

3478

BAV20

D11

R54

15K

R69

500

R57

C17

100

R56

5.6K

Q43

A56

Q35

2SC

4793

Q40

2SA1376

R43

100

2UH

Q33

2SA

1827

R38

R1W

.33

R34

R1W

.33

R30

R1W

.33

P2-2

R10

100

CH2_OUTPUT

Q36

2SA

1380

R58

15K

R81

Q41

2SC

3478

R44

100

R70

1.2K

R45

100

R39

R1W

.33

R55

R1W

.33

R31

R1W

.33

C11

106

R13

47K

R12
10K

2UH

Q37

2SC

4793

C24

104

100V

GND2

FAULT

2SC

3478

D1N4148

1N4004

+77VDC.CH2

RL2

CHANNEL 2

OUTPUT

R11
47K

DCSENSE

GND2

R111

R112

C41

104E

100V

C46

271

CHGND

C45

271

BINDPOST

BLK

RED

Signature 1.5 POWER AMPLIFIER

SCHEMATIC 1 of 2

Signature 1.5 POWER AMP SCHEMATIC (1 of 2)

Summary of Contents for SIGNATURE 1.5

Page 1: ...ure 1 5 Harman Consumer Group 250 Crossways Park Drive Woodbury N Y 11797 1 800 645 7484 in the USA A Harman International Company Part No 1112 SIGNATURE1 5 Rev A 7 99 TECHNICAL MANUAL Two Channel Amp...

Page 2: ...SFORMER WIRING Rev B 17 INTEGRATED CIRCUITS 18 Signature 1 5 POWER SWITCH INDICATOR 19 SCHEMATIC 1 of 1 Signature 1 5 POWER AMP SCHEMATIC 1 of 2 20 Signature 1 5 POWER AMP SCHEMATIC 2 of 2 21 SPECIFIC...

Page 3: ...Operation amber in the Standby mode and flashing green during Warm Up If the indicator flashes and alternates between red and amber the 1 5 is in the Protect mode indicating a problem in the unit or c...

Page 4: ...the Positive terminal ONLY to the Positive terminal on your speaker Important Note When the 1 5 is used in the Bridged Mono mode do not connect a speaker with an impedance less than 8 ohms 9 Channel...

Page 5: ...ver or other audio equipment an AC outlet that is part of a current sensing control unit activated by a pre amp or surround processor or a switched AC wall outlet Connect the 3 5 mm miniplug from the...

Page 6: ...the cap moves back on its threads past the holes at the rear of the terminal Making certain that you observe the correct polarity for the type of system being installed Stereo or Bridged Mono pass the...

Page 7: ...receives a signal from the triggering device Finally turn on your Signature 2 0 PT2500 or other trigger source to turn the Signature 1 5 on The indicator will flash green briefly and then go out the...

Page 8: ...connected to n Check input connections From One or more channels proper jack n Speakers not connected n Check speaker connections Properly n Improper settings or output n Check the settings on your p...

Page 9: ...16 PHP 80 112 8050 0 WASHER 4 SPILT 111 7011 0 WASHER 6 SPILT ZINC 112 7021 0 STRAIN RELIEF 16 2 SPT 2 UL CSA 100 0035 0 POWER CORD 2x18 16 GA SPT 2 UL CSA A095 0002 0 FOR 120V VERSION A095 0009 0 FOR...

Page 10: ...LT 6 32 5 16 PHP BO 27 153 0000 0 TIE WRAP BLACK 1 153 0100 1 SAFETY LABEL RISK OF FIRE FAST F 1 120 0002 1 ALUM 080 5052 H32 6 00X5 15 1 120 0012 0 STEEL 20 GA 036 EGC 48X120 615 HA132 0015 B SIG 1 5...

Page 11: ...PE RED BRN HA145 0003 C GALLIEN TECH 10A 125V HARMAN HA206 0003 C SIG 1 5 POWER SWITCH INDICATOR BOARD Rev D HA145 0003 D SIG 1 5 POWER SWITCH Rev B9 INDICATOR BOARD HA405 0003 B9 10A 125V HARMAN HA20...

Page 12: ...T J4 X 5 X 1 X 2 R119 R120 R118 R99 R96 R98 R97 R95 R94 R75 R83 R117 R103 R102 R59 R77 R71 R58 R81 R56 R57 R70 R53 R85 R74 R76 R54 R44 R43 P5 P2 R73 R72 R45 C E B Q53 C E B Q52 C E B Q41 C E B Q55 C...

Page 13: ...0750 0 RES CARBON FILM 7 5 OHM 1 8W 5 1 R17 A051 1502 0 RES CARBON FILM 1 5K OHM 1 4W 5 1 R16 A051 2202 0 RES CARBON FILM 2 2K OHM 1 4W 5 1 R21 A050 1005 0 RES CARBON FILM 1M OHM 1 8W 5 1 Miscellaneou...

Page 14: ...9 56 A050 5602 0 RES CARBON FILM 5 6K OHM 1 8W 5 2 R50 57 63 64 A050 1002 0 RES CARBON FILM 1K OHM 1 8W 5 18 65 66 67 68 72 73 74 75 76 77 92 93 116 120 R52 59 A050 1502 0 RES CARBON FILM 1 5K OHM 1 8...

Page 15: ...1 4 Two Channel Amplifier Harman Kardon SIGNATURE 1 5 Signature 1 5 120V TRANSFORMER WIRING Rev A Signature 1 5 120V Transformer Wiring Rev A...

Page 16: ...1 5 Two Channel Amplifier Harman Kardon SIGNATURE 1 5 Signature 1 5 120V TRANSFORMER WIRING Rev B Signature 1 5 120V Transformer Wiring Rev B...

Page 17: ...1 6 Two Channel Amplifier Harman Kardon SIGNATURE 1 5 Signature 1 5 230V TRANSFORMER WIRING Rev A Signature 1 5 230V Transformer Wiring Rev A...

Page 18: ...1 7 Two Channel Amplifier Harman Kardon SIGNATURE 1 5 Signature 1 5 230V Transformer Wiring Rev B Signature 1 5 230V TRANSFORMER WIRING Rev B...

Page 19: ...INPUT A GND VS OUTPUT B INVERTING INPUT B NON INVERTING INPUT B U2 LM556CN DUAL TIMER A001 2009 0 1 5 2 6 3 7 4 14 10 13 9 12 8 11 COMP COMP COMP COMP V CC GND DISCHARGE DISCHARGE THRESHOLD THRESHOLD...

Page 20: ...wo Channel Amplifier Harman Kardon SIGNATURE 1 5 Signature 1 5 POWER SWITCH INDICATOR SCHEMATIC 1 of 1 Signature 1 5 Power Switch Indicator Schematic 1 of 1 5 5 4 4 3 3 2 2 1 1 A A B B C C D D E E F F...

Page 21: ...2SA1962 R22 R1W 33 R26 R1W 33 R18 R1W 33 1 2 RES IND 2UH 2UH R107 RES 5W 1W s 3 1 R117 750 R103 180 GND2 D10 D1N4148 C37 476 100V C8 828 80V R3 6 8K 2W C7 80V 828 GND2 P3 7 12 VDC J3 2 TS T 3 S1 PHON...

Page 22: ...1 3 1 1 1 2 2 3 2 3 3 3 3 2 2 2 1 1 1 Q23 2SC5242 Q22 2SC5242 Q15 2SC5242 Q14 2SC5242 Q7 2SC5242 Q6 2SC5242 R41 100 R37 R1W 33 R33 R1W 33 R29 R1W 33 R25 R1W 33 R21 R1W 33 R17 R1W 33 C12 106 R5 10K R9...

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Harman Kardon SIGNATURE 1.5, Technical Manual

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