background image

A

B

D

F

H

J

C

E

G

I

2

1

3

5

7

4

6

47K

1000P

R6

C107

C106

1000P

47K

R5

300

R212

R222

300

12

13

4

14

1200P

C1

15P

C120

9.1K

R7

18K

R15

1K

R1

10u16

+

C5

5.6K

R33

18K

R19

5.6K

R34

2

3

1

15P

C27

5.6K

R41

51K

R23

68P

C127

5.6K

R45

0.33

C37

0.47

C33

18K

R55

100K

R59

0.047

C45

43K

R73

43K

R67

68K

R63

0.047

C41

3K

R77

0.022

C43

5

7

6

8

10u16

+

C49

6.8K

R85

47K

R83

62K

R75

1K

R31

1K

R2

R56

R20

18K

C121

9

9.1K

1200P

C2

R8

R16

18K

15P

C6

+

10u16

10

7

0.47

1000P

C17

5.6K

R42

5.6K

R35

C28

68P

C128

6

15P

5.6K

R46

R36

5.6K

8

5

C34

68K

0.33

100K

R60

18K

C38

R64

51K

R26

51K

R25

51K

R24

11

10K(A)

VR1

R70 560

R69 560

3

2

1

4

15K

R86

22P

C47

7.5K

R81

15K

R78

0.01

C1

16

0.01

C1

1

0.01

C1

17

0.01

C31

HPF

OFF

LPF

S5

22u16

+

C10

22u16

+

C9

2.2K

R52

2.2K

R51

2.2K

R49

2.2K

R50

MO

ST

A

AB

ST

MO

5

4

3

2

1

AL+

9

8

7

6

10

BL-

AL-

AR-

BR-

AR+

BR+

BL-

AL-

AR-

AR+

BR-

BR+

2.2K

R1

1

12K

R243

10u16

+

C20

12K

R242

10u16

+

C19

2.2K

R12

+

C22

10u16

+

12K

R245

C21

10u16

R244

12K

2.2K

2.2K

R14

R13

+

12K 10u16

10u16

C26

R249

12K

+

+

C25

C24

10u16

R248

+

12K

R247

C23

10u16

R246

12K

BL+

BL-

AL-

BR-

AR-

BR+

AR+

10u16

C8

R10

C7

10u16

R9

R4
1K

C4

1200P

1200P

C3

R3
1K

C18

C36

0.47

+

9.1K

18K

12

15P

C123

13

14

R18

18K

R22

C32

0.01

C30

5.6K

R40

R39

5.6K

1000P

R44

5.6K

15P

2

11

3

1

R48

5.6K

C130

68P

R62

100K

0.33

C40

18K

R58

S4

HPF

R66

68K

OFF

C1

19

0.01

LPF

R80
15K

R72 560

R82

7.5K

R88

C48
22P

15K

2

4

3

1

C35
0.47

C122

9

9.1K

R17

18K

15P

18K

R21

+

10

8

4

C16

0.01

7

R32

1K

R43

5.6K

R38

5.6K

C29

68P

C129

6

15P

5.6K

R47

R37

5.6K

5

VR2
10K(A)

0.022

R65

R68

0.33

R57

18K

100K

R61

0.047

C42

68K

43K

C39

C44

5

R74

47K

R71 560

R84

R79

43K

C46

0.047

3K

R76

62K

10u16

C50

+

R87

6

8

6.8K

7

C1

18

0.01

51K

R30

R29

51K

R28

51K

R27

51K

22u16

C52

+

150K

R97

10

R99

2.2K

R54

10u35

C126

+

10u35

C125

+

22u16

C51

+

2.2K

R53

10

R98

3.3K

R89

4.7K

R90

18K

R100

10u16

+

C57

680P

C53

10u35

C70

+

3.3K

R130

100

R113

820

R106

8.2K

R105

4700P

C62

47u25

C61

+

620

R121

47u25

C66

+

820

R1

17

18K

R125

6P

C74

470

R104

3.3K

R129

220

VR3

100P

C83

620

R139

2.2K

R138

10K

R137

100

R150

100u25

C78

+

82

R146

10u16

C79

+

100

R151

1

2

220

R169

3.6K

R160

3.6K

R159

470P

C90

470P

C89

1.8K

R174

0.1

R190

1.8K

R175

2.2

R176

0.1

R189

2.2

R173

100

R152

820

R1

18

C67

47u25

R107

820

8.2K

C54

4.7K

R91

680P

R101

18K

R92

3.3K

10u16

+

C58

R108

C75

R122

C63

4700P

R114

100

620

+

6P

10u35

R126

18K

C71

+

C80

10u16

1.8K

R179

R178

1.8K

2.2

R177

82

R147

100P

C84

R140

220

620

VR4

470P

3.6K

R161

C91

R153

100

R162

R170

470P

C92

3.6K

220

R191

0.1

R192

0.1

2.2

R180

R141

+

2.2K

100

R154

220u25

C87

+

R167

10

3.3K

R131

3.3K

R132

2W

2W

2W

2W

8.2K

R1

12

47u25

R1

10

18K

R103

680P

C56

4.7K

R96

3.3K

R95

C60

10u16

+

R

111

820

R124

C65

4700P

R116

100

R128

6P

18K

C77

620

C69

R120

820

+

47u25

8.2K

C55

R94

4.7K

680P

18K

R102

820

3.3K

R93

C59

+

10u16

R109

6P

R115

C64

C68

R123

820

R1

19

4700P

100

620

+

C76

R127

18K

10u35

C72

+

3.3K

R133

R134

3.3K

R196

R172

C96

R166

3.6K

470P

R188

2.2

R187

1.8K

C92

10u16

R135

3.3K

R136

3.3K

10u35

C73

+

R144

620

R145

+

2.2K

VR6

220

100

R158

220

2W

0.1

620

R182

10u16

R143

R186

R185

2.2

1.8K

1.8K

R183

1.8K

2.2

R184

C88

220u25

+

C86

100P

82

R149

R165

470P

C95

3.6K

R157

100

82

R148

100P

C85

220

VR5

470P

3.6K

R164

C94

R156

100

R168

10

R163

R171

470P

C93

3.6K

220

R195

2W

0.1

2W

R194

0.1

2W

R193

0.1

2.2

R181

R142

C81

+

2.2K

R155

100

2

1

W401

3300u25

C98

+

3300u25

C97

+

Q5,6,9,10

Q1,2

Q3,4

Q7,8,11,12

Q16,17,60,61

Q14,15,58,59

Q18,19

Q20,21

Q22-25

Q26-29

Q30-33

Q34-37

Q38-41

Q42-45

Q54,55

IC1

IC2

B

B

B

+B

+B

+B

B

B

B

+B

+B

+B

B

+B

B

B

B

B

+B

+B

B

B

+B

B

B

B

+B

B

B

+B

B

B

+B

+B

+B

+B

B

+B

+B

B

B

+B

+B

+B

+B

B

+B

B

B

+B

+B

+B

+B

+B

+B

IC1(4/4)

IC1(1/4)

D10

D49

D12

IC3(1/2)

S5

D50

D7

D5

IC1(3/4)

IC1(2/4)

D3

D1

FILTER SW

INPUT
SENSITIVITY

S1

S2

S3

OPERATION
SW

INPUT

SW

SELECTOR

OPERATION
SW

CN3

L

R

A

J2

OUT

R

L

B

R

L

D46

D45

D47 D48

D52

D54

D6

D8

IC2(4/4)

IC2(1/4)

SENSITIVITY

INPUT

FILTER SW

D2

D4

D53

D51

IC2(3/4)

IC2(2/4)

S4

IC4(1/2)

IC4(2/2)

IC3(2/2)

D1

1

D

9

Q54

Q55

Q1

D14

D13

D55

D60

Q5

Q9

D16

D15

Q13

Q58

Q14

Q18

CN1

D22

D21

D17

Q22

Q23

Q30

Q31

Q39

Q38

IDLE. ADJ.

D56

Q2

Q6

Q10

Q15

Q59

IDLE. ADJ.

D23

Q24

D18

Q32

Q25

Q40

Q19

D24

Q33

Q41

IDLE. ADJ. (A)

Q4

Q8

Q12

D58

D57

Q3

Q7

Q11

IDLE. ADJ.

Q21

D28

Q29

Q37

Q45

Q61

Q17

D27

Q28

D20

Q36

Q16

Q60

IDLE. ADJ.

Q27

D26

D19

Q35

Q26

Q44

Q43

Q20

D25

Q34

Q42

CN2

IDLE. ADJ. (B)

DIFFERENTIAL
AMPLIFIER

MUTE

RIPPLE
FILTER

MUTE

DIFFERENTIAL
AMPLIFIER

AMPLIFIER

DIFFERENTIAL

DIFFERENTIAL
AMPLIFIER

TEMPERATURE
COMPENSATION

TEMPERATURE
COMPENSATION

OVER-CURRENT
PROTECTION

OVER-CURRENT
PROTECTION

POWER

DRIVER

AMPLIFIER

DRIVER

AMPLIFIER

POWER

POWER
STAGE

STAGE

POWER

CONSTANT

POWER SUPPLY

VOLTAGE

INPUT BUFFER /
ISOLATION AMPLIFIER

ISOLATION AMPLIFIER

INPUT BUFFER /

LPF

INVERTER

LPF

INVERTER

E2

AUDIO UNIT (X09-5420-10)

15.4V

15.4V

-15.4V

15.4V

-15.4V

15.4V

-15.4V

15.4V

-15.4V

-22.2V

22.2V

-15.4V

Summary of Contents for KAC-649S

Page 1: ...A OUTPUT RIGHT A B POWER AMPLIFIER LPF HPF OFF B CH FILTER A CH FILTER B CH OPERATION INPUT SELECTOR LINE IN LINE OUT SPEAKER LEVEL INPUT MONO Lch STEREO A CH OPERATION MONO Lch STEREO LPF HPF OFF 0 2 MAX MIN 5 0 3 0 5 1 2 3 4 0 2 MAX MIN 5 0 3 0 5 1 2 3 4 B CH INPUT SENSITIVITY V A CH INPUT SENSITIVITY V GND A A B A L R A B B A B L R ...

Page 2: ...ETECTION Detects P CON ON and turns Q47 on or off Q47 POWER SWITCH Supplies power to IC5 Q48 MUTE ON OFF Turns Q49 on or off Q49 MUTE DRIVER Q50 51 SWITCHING POWER STAGE Q52 OVER CURRENT PROTECTION The detected over current stops IC5 s working Q53 OVER VOLTAGE PROTECTION When over voltage puts on BATT Q53 turns P CON off Q54 55 CONSTANT VOLTAGE POWER SUPPLY Supplies and 15V power Q56 57 SWITCHING ...

Page 3: ...tte receiver or CD receiver 1 IDEL CURRENT Connect a DC voltmeter between CN1 CN2 and J1 SP OUT L R VOLUME 0 A VR3 L ch VR4 R ch B VR5 L ch VR6 R ch 2 5mV a VR6 B Rch VR5 B Lch VR3 A Lch VR4 A Rch J3 SP OUT Lch Ach Bch Rch CN1 A L R CN2 B L R DC Voltmeter DC Voltmeter DC Voltmeter DC Voltmeter a 2 5mV a 2 5mV a 2 5mV a 2 5mV ...

Page 4: ...73 W238 W138 W71 W133 W80 R173 R189 W220 W101 R91 R93 W401 R96 C112 W14 R225 R232 R220 W60 W240 R236 R237 R105 W13 W219 R125 C75 W20 W25 C99 R204 C9 C10 R126 W131 R31 R71 W132 C17 W88 R72 R32 C18 W172 R69 R70 W17 W50 W49 R4 R3 W221 C78 W7 VR4 R177 R190 W236 W30 W31 R1 W45 R2 W38 W202 C50 R92 R81 C49 R83 W62 R108 R180 R191 W217 W216 C74 W402 R192 W230 R122 R136 W2 R172 R184 R181 R194 W211 W212 W226...

Page 5: ...3 4700P R114 100 620 6P 10u35 R126 18K C71 C80 10u16 1 8K R179 R178 1 8K 2 2 R177 82 R147 100P C84 R140 220 620 VR4 470P 3 6K R161 C91 R153 100 R162 R170 470P C92 3 6K 220 R191 0 1 R192 0 1 2 2 R180 R141 2 2K 100 R154 220u25 C87 R167 10 3 3K R131 3 3K R132 2W 2W 2W 2W 8 2K R112 47u25 R110 18K R103 680P C56 4 7K R96 3 3K R95 C60 10u16 R111 820 R124 C65 4700P R116 100 R128 6P 18K C77 620 C69 R120 82...

Page 6: ...B B B B D29 D30 D42 Q53 Q47 Q46 D34 D37 D35 D36 Q49 Q48 D40 D33 Q52 J1 SP OUT D41 D44 D39 Q51 Q57 D38 Q50 D43 Q56 D31 D32 P CON DETECTION POWER SWITCH MUTE ON OFF MUTE DRIVER SWITCHING STAGE POWER OVER CURRENT PROTECTION OVER VOLTAGE PROTECTION SWITCHING DRIVER SWITCHING REGULATOR IC1 2 NJM2060M IC3 4 NJM4565MD IC5 UPC494GS Q1 4 13 17 58 61 2SC945 A Q P Q5 12 47 49 56 57 2SA733 A Q P Q18 21 2SC413...

Page 7: ... L L L A B C E F G H K L φ3x6 BLK φ3x8 φ3x12 φ2 6x10 φ3x10 BLK M4x8 BLK φ2 6x6 WASHER φ3x6 N89 3006 45 N89 3008 46 N87 3012 46 N09 4382 05 N80 3010 45 N09 4026 05 N89 2606 46 N15 1040 46 N09 4488 05 VR2VR1 S1 S3 S4 S5 S2 X09 5420 10 J2 X09 CN3 X09 KAC 649S EKM F1 4 12 12 702 14 13 7 8 5 10 6 3 1 2 3 A B 8 KAC 649S EXPLODED VIEW UNIT ...

Page 8: ... HEAD TAPTITE SCREW C120 123 CC73GCH1H150J CHIP C 15PF J C 2A N87 3012 46 BRAZIER HEAD TAPTITE SCREW C125 126 CE04DW1V100M ELECTRO 10UF 35WV E 2B N09 4382 05 TAPTITE SCREW 2 6X10 C127 130 CC73GCH1H680J CHIP C 68PF J F 2B N80 3010 45 PAN HEAD TAPTITE SCREW CN1 2 E40 3640 05 PIN ASSY G 3A N09 4026 05 TAPPING SCREW 4X8 TP S CN3 E58 0919 05 RECTANGULAR RECEPTACLE H 3A N89 2606 46 BINDING HEAD TAPTITE ...

Page 9: ...6 8K J 1 6W R110 111 RK73GB1J821J CHIP R 820 J 1 16W R235 RK73GB1J163J CHIP R 16K J 1 16W R112 RD14BB2C822J RD 8 2K J 1 6W R236 237 RD14BB2C152J RD 1 5K J 1 6W R113 116 RK73GB1J101J CHIP R 100 J 1 16W R238 RK73GB1J681J CHIP R 680 J 1 16W R117 120 RK73GB1J821J CHIP R 820 J 1 16W R239 RK73GB1J682J CHIP R 6 8K J 1 16W R121 124 RD14BB2C621J RD 620 J 1 6W R240 241 RK73GB1J332J CHIP R 3 3K J 1 16W R125 ...

Page 10: ...RANSISTOR Q23 24 2SA1037K TRANSISTOR Q25 26 2SC2412K TRANSISTOR Q27 28 2SA1037K TRANSISTOR Q29 2SC2412K TRANSISTOR Q30 2SC1627A TRANSISTOR Q31 32 2SA817A TRANSISTOR Q33 34 2SC1627A TRANSISTOR Q35 36 2SA817A TRANSISTOR Q37 2SC1627A TRANSISTOR Q38 2SC4511 B TRANSISTOR Q39 40 2SA1725 B TRANSISTOR Q41 42 2SC4511 B TRANSISTOR Q43 44 2SA1725 B TRANSISTOR Q45 2SC4511 B TRANSISTOR Q46 2SC2412K TRANSISTOR ...

Page 11: ...pain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue Centrecourt Estate North Ryde N S W 2113 Australia KENWOOD ELECTRONICS HONG KONG LTD Unit 3712 3724 Level 37 Tower 1 Metroplaza 223 Hing Fong Road Kwai Fong N T Hong Kong KENWOOD ELECTRONICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS THAILAND CO LTD 2019 New Pechburi Road Bangkapi Huaykwang Bangko...

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