JBL SCS-178 Service manual

4.7 (3)
JBL SCS-178 Service manual

SIMPLY CINEMA - SCS 138-178 Subwoofer

Service manual V1 (E)

SPECIFICATIONS:

Active Subwoofer Section

Low Frequency Cut-off: 35Hz

High Frequency Cut-off: 40Hz - 120Hz Variable

Built-In Amplifier Power: 100 Watts RMS

Drive Units: 200mm Paper Cone Long Throw Driver

Bass Reflex Enclosure

Dimensions (H x W x D): 450mm x 250mm x 360 mm

Weight: 13.6kg

 

 

106SUB138E

106SUB138E

 

 

 

 

 

 

 

 

 

 

PART NO.

DESCRIPTION

QTY

REFERENCE

 

 

 

 

 

 

1

 

101OSUB138C

PCB AMP ASS'Y

1

 

 

 

 

 

 

 

2

 

101ASUB138C

AI PCB AMP ASS'Y

1

 

 

 

 

 

 

 

3

 

104sub138c01

PCB

1

 

 

 

 

 

 

 

4

 

11016103j26

Resistor 10K 1/6W ±5% CF

1

R303

 

 

 

 

 

 

5

 

11016273j26

Resistor27K 1/6W ±5% CF

1

R304

 

 

 

 

 

 

6

 

11016472j26

Resistor 4.7K 1/6W ±5% CF

2

R301,2

 

 

 

 

 

 

7

 

115h203b205

Variable Resistor B20K

1

VR302

 

 

 

 

 

 

8

 

115h503a202

Variable Resistor A50K

1

VR301

 

 

 

 

 

 

9

 

180sms50126

SLIDE SW MS50126

1

SW301

 

 

 

 

 

 

10

 

19006m4558d

I.C. OPA 4558D

1

U301

 

 

 

 

 

 

11

 

101OSUB138E

PCB ASS'Y AMP

1

 

 

 

 

 

 

 

12

 

101ASUB138E

AI PCB ASS'Y AMP OF SUB138

1

 

 

 

 

 

 

 

13

 

104sub135e00

PCB OF SUB135CE

1

 

 

 

 

 

 

 

14

 

11014122j26

Resistor 1.2K 1/4W ±5% CF

1

R265

 

 

 

 

 

 

15

 

11014472j26

Resistor 4.7K 1/4W ±5% CF

2

R201,2

 

 

 

 

 

 

16

 

11014560j26

Resistor 56 1/4W ±5% CF

1

R117

 

 

 

 

 

 

17

 

11016101j26

Resistor 100 1/6W ±5% CF

4

R120,213,4,5

 

 

 

 

 

 

18

 

11016102j26

Resistor1K 1/6W ±5% CF

3

R124,66,254

 

 

 

 

 

 

19

 

11016103j26

Resistor 10K 1/6W ±5% CF

17

R133,4,209,12,6,7,20,1,2,5,8,9,30,2,5,40,60

 

 

 

 

 

 

20

 

11016104j26

Resistor100K 1/6W ±5% CF

3

R231,163,4

 

 

 

 

 

 

21

 

11016105j26

Resistor1M 1/6W ±5% CF

2

R143,259

 

 

 

 

 

 

22

 

11016123j26

Resistor 12K 1/6W ±5% CF

3

R135,9,65

 

 

 

 

 

 

23

 

11016124j26

Resistor 120K 1/6W ±5% CF

1

R233

 

 

 

 

 

 

24

 

11016151j26

Resistor 150 1/6W ±5% CF

1

R253

 

 

 

 

 

 

25

 

11016152j26

Resistor 1.5K 1/6W ±5% CF

7

R103,23,36,7,41,2,53

 

 

 

 

 

 

26

 

11016153j26

Resistor15K 1/6W ±5% CF

5

R118,45,52,4,234

 

 

 

 

 

 

27

 

11016154j26

Resistor 150K 1/6W ±5% CF

2

R131,252

 

 

 

 

 

 

28

 

11016181j26

Resistor180 1/6W ±5% CF

2

R111,4

 

 

 

 

 

 

29

 

11016205j26

Resistor2.0M 1/6W ±5% CF

1

R257

 

 

 

 

 

 

30

 

11016223j26

Resistor22K 1/6W ±5% CF

10

R128,9,55,6,8,60,237,8,55,62,3

 

 

 

 

 

 

31

 

11016273j26

Resistor27K 1/6W ±5% CF

1

R223

 

 

 

 

 

 

32

 

11016332j26

Resistor 3.3K 1/6W ±5% CF

5

R106,7,44,236,58

 

 

 

 

 

 

33

 

11016392j26

Resistor 3.9K 1/6W ±5% CF

2

R105,8

 

 

 

 

 

 

34

 

11016393j26

Resistor39K 1/6W ±5% CF

1

R126

 

 

 

 

 

 

35

 

11016470j26

Resistor47 1/6W ±5% CF

4

R112,3,5,6

 

 

 

 

 

 

36

 

11016471j26

Resistor470 1/6W ±5% CF

3

R140,61,2

 

 

 

 

 

 

37

 

11016472j26

Resistor 4.7K 1/6W ±5% CF

8

R110,25,30,47,50,9,207,8

 

 

 

 

 

 

38

 

11016473j26

Resistor47K 1/6W ±5% CF

5

R101,219,49,50,1

 

 

 

 

 

 

39

 

11016512j26

Resistor 5.1K 1/6W ±5% CF

2

R210,1

 

 

 

 

 

 

40

 

11016513j26

Resistor 51K 1/6W ±5% CF

1

R224

 

 

 

 

 

 

41

 

11016563j26

Resistor 56K 1/6W ±5% CF

1

R104

 

 

 

 

 

 

42

 

11016681j26

Resistor680 1/6W ±5% CF

2

R148,51

 

 

 

 

 

 

43

 

11016682j26

Resistor6.8K 1/6W ±5% CF

1

R109

 

 

 

 

 

 

44

 

11016913j26

Resistor 91K 1/6W ±5% CF

4

R203,4,5,6

 

 

 

 

 

 

45

 

1302b101k503

Disc Capacitor 100P 50V ±10%

4

C139,40,207,14

 

 

 

 

 

 

46

 

1302b102k503

Disc Capacitor 1000P 50V ±10%

4

C116,41,203,20

 

 

 

 

 

 

47

 

1302b221k503

Disc Capacitor 220P 50V ±10%

6

C204,5,10,1,2,30

 

 

 

 

 

 

48

 

1302b681k503

Disc Capacitor 680P 50V ±10%

1

C208

 

 

 

 

 

 

49

 

1302f104z503

Disc Capacitor 0.1U 50V +80/-20%

13

C108,13,5,9,37,8,232,5,6,7,9,40,1

 

 

 

 

 

 

50

 

1303f473m503

Disc Capacitor 0.047U 50V ±20%

2

C106,209

 

 

 

 

 

 

51

 

130sl470k503

Disc Capacitor 47P 50V +350/-1000 ±10%

1

C229

 

 

 

 

 

 

52

 

132103j503

Mylar Capacitor 0.01U 50V ±5%

2

C223,4

 

 

 

 

 

 

53

 

132104j503

Mylar Capacitor 0.1U 50V ±5%

3

C107,221,2

 

 

 

 

 

 

54

 

132223ja03

Mylar Capacitor 0.022uF 100V ±5%

9

C123,4,5,6,7,8,31,2,215

 

 

 

 

 

 

55

 

132473j503

Mylar Capacitor 0.047U 50V ±5%

1

C216

 

 

 

 

 

 

56

 

1353105m50

Electrolytie Cap. 1U 50V ±20%

3

C105,12,228

 

 

 

 

 

 

57

 

1353106m50

Electrolytie Cap. 10U 50V ±20%

6

C201,2,6,13,9,31

 

 

 

 

 

 

58

 

1353107m16

Electrolytie Cap. 100uF 16V ±20%

7

C109,10,17,20,234,8,42

 

 

 

 

 

 

59

 

1353107m50

Electrolytie Cap. 100U 50V ±20%

1

C136

 

 

 

 

 

 

60

 

1353226m50

Electrolytie Cap. 22U 50V ±20%

2

C114,8

 

 

 

 

 

 

61

 

1353227m10

Electrolytie Cap. 220U 10V ±20%

2

C129,30

 

 

 

 

 

 

62

 

1353227m16

Electrolytie Cap. 220U 16V ±20%

1

C111

 

 

 

 

 

 

63

 

1353336m16

Electrolytie Cap. 33U 16V ±20%

1

C233

 

 

 

 

 

 

64

 

1353476m25

Electrolytie Cap. 47U 25V ±20%

1

C103

 

 

 

 

 

 

65

 

192027c1815gr

Transistor 2SC1815GR

9

Q102,11,2,3,8,23,6,206,7

 

 

 

 

 

 

66

 

192027c2235y

Transistor 2SC2235Y

1

Q121

 

 

 

 

 

 

67

 

192028a1015gr

Transistor 2SA1015GR

3

Q114,6,27

 

 

 

 

 

 

68

 

192028a965y

Transistor 2SA965Y

1

Q125

 

 

 

 

 

 

69

 

1921672n5551

Transistor 2N5551

2

Q103,9

 

 

 

 

 

 

70

 

1921682n5401

Transistor 2N5401 AI-PNP 350V 500mA

2

Q104,10

 

 

 

 

 

 

71

 

197131n4148

Ziode 1N4148

19

D101,3,5,8,13,4,201,2,6,7,8,10,1,2,3,4,5,6,7

 

 

 

 

 

 

72

 

19915000335

Zener Ziode 3.3V 1/2W

2

D102,205

 

 

 

 

 

 

73

 

19915000625

Zener Ziode 6.2V 1/2W

2

D106,7

 

 

 

 

 

 

74

 

19915001605

Zener Ziode 16V 1/2W

1

D109

 

 

 

 

 

 

75

 

101OLIMIT

PCB ASS'Y OF LIMITER

1

 

 

 

 

 

 

 

76

 

101ALIMIT

AI ASS'Y OF LIMITER

1

 

 

 

 

 

 

 

77

 

104limit00

PCB OF LIMITER

1

 

 

 

 

 

 

 

78

 

11016103j26

Resistor 10K 1/6W ±5% CF

6

R301,3,4,8,9,14

 

 

 

 

 

 

79

 

11016153j26

Resistor15K 1/6W ±5% CF

1

R302

 

 

 

 

 

 

80

 

11016223j26

Resistor22K 1/6W ±5% CF

2

R310,2

 

 

 

 

 

 

81

 

11016333j26

Resistor 33K 1/6W ±5% CF

1

R305

 

 

 

 

 

 

82

 

11016474j26

Resistor 470K 1/6W ±5% CF

1

R307

 

 

 

 

 

 

83

 

11016751j26

Resistor750 1/6W ±5% CF

2

R311,3

 

 

 

 

 

 

84

 

11016755j26

Resistor 7.5M 1/6W ±5% CF

1

R306

 

 

 

 

 

 

85

 

1302f104z503

Disc Capacitor 0.1U 50V +80/-20%

2

C305,6

 

 

 

 

 

 

86

 

132103j503

Mylar Capacitor 0.01U 50V ±5%

2

C302,3

 

 

 

 

 

 

87

 

1353226m50

Electrolytie Cap. 22U 50V ±20%

1

C301

 

 

 

 

 

 

88

 

1353476m25

Electrolytie Cap. 47U 25V ±20%

1

C304

 

 

 

 

 

 

89

 

192027c1815gr

Transistor 2SC1815GR

2

Q301,2

 

 

 

 

 

 

90

 

197131n4148

Ziode 1N4148

2

D301,2

 

 

 

 

 

 

91

 

1759f40hr2

40PIN PITCH=2.54mm HR2*40

0.15

P301

 

 

 

 

 

 

92

 

19016tl074cn

I.C. TL074CN ST

1

U301

 

 

 

 

 

 

93

 

11010821jk1

Resistor 820 1W ±5%

1

R132

 

 

 

 

 

 

94

 

110122r2j15

Resistor 2.2 1/2W ±5%

1

R127

 

 

 

 

 

 

95

 

11016102j26

Resistor1K 1/6W ±5% CF

2

R226,7

 

 

 

 

 

 

96

 

11016222j26

Resistor2.2K 1/6W ±5% CF

2

R266,7

 

 

 

 

 

 

97

 

11016472j26

Resistor 4.7K 1/6W ±5% CF

1

R157

 

 

 

 

 

 

98

 

113500r1j10

Cement Resistor 0.1 5W

2

R121,2

 

 

 

 

 

 

Loading...
+ 11 hidden pages