JVC KS-AX4500, Service Manual

6

5

4

3

2

1

B

C

D

E

F

G

H

I

J

A

7

KS-AX4500

2-5

+15V

+15V

+15V

+15V

U101A

+

-15V

+15V

+15V

-15V

-15V

-15V

JA01-A

SY-SW0406G

JA01-B

SY-SW0406G

-15V

-15V

Q200

J108

Q100

J108

JA02

LAD1140-04

C164

102P

C263

102P

C264

102P

C163

102P

C214

C215

C216

C217

C117

C116

C115

C114

OFFSET

MUTE

P02

TM0009-00

SW101B

JSS2319

SW101A

JSS2319

Q204

A1266GR

Q104

A1266GR

Q202

C3198GR

Q102

C3198GR

Q211

B778

Q203

A1266GR

Q109

A1023Y

Q105

A1268GR

Q103

A1266GR

Q205

A1268GR

Q209

A1023Y

Q111

B778

Q113

C3198GR

Q210

D998

Q112

C3200GR

Q201

C3198GR

Q108

C1027Y

Q106

C3200GR

Q107

C3200GR

Q101

C3198GR

Q207

C3200GR

Q206

C3200GR

Q208

C1027Y

Q212

C3200GR

Q110

D998

Q213

C230

4.7/50V

C161

4.7/50V

C162

4.7/50V

C262

4.7/50V

C261

4.7/50V

C131

4.7/50V

C151

220/16V

C107

4.7/50V

C101

4.7/50V

C202

4.7/50V

C201

4.7/50V

C207

4.7/50V

C234

22/16V

C133

22/16V

C130

4.7/50V

C139

100/16V

C134

22/16V

C239

100/16V

C233

22/16V

C102

4.7/50V

C231

4.7/50V

A

VR102A

20KB

VR102B

20KB

VR101-A

20KB

VR101-B

20KB

U106A

4558F

U106B
4558F

U105A
4558F

U103B
4558F

U105B
4558F

U101-B

NJM2068LD

U102B

U102A
4558F

U103A
4558F

U104B
4558F

U104A
4558F

R156

680/2W

R217

100K

R221

30K

R222

30K

R214

1K

R216

20K

R161

68KF

R262

68KF

R162

68KF

R261

68KF

R163

15K

R263

15K

R223

30K

R218

5.6K

R219

470K

R224

62K

R251

0.1/3W

R230

10K

R130

10K

R250

0.1/3W

R106

33KF

R105

33KF

R115

1K

R113

1K

R124

62K

R103

22KF

R213

1K

R215

1K

R119

470K

R118

5.6K

R123

30K

R116

20K

R256

680/2W

R114

1K

R202

21.5KF

R112

30KF

R111

11KF

R110

15KF

R201

22KF

R232

22KF

R245

2.7K

R109

1.3KF

R154

56K

R242

1K

R240

22

R241

22

R212

56KF

R203

22KF

R205

33KF

R238

22

R210

15KF

R239

22

R237

1K

R209

1.3KF

R208

1K

R254

56K

R153

15K

R155

4.7/0.5W

R152

1.5K

R147

12KF

R131

5.6KF

R148

1KF

R136

1K

R149

220

R143

47

R146

47

R233

1K

R144

3.9K

R134

5.6K

R235

5.6K

R135

5.6K

R133

1K

R108

1K

R137

1K

R139

22

R206

33KF

R138

22

R141

22

R140

22

R142

1K

R145

2.7K

R234

5.6K

R244

3.9K

R246

47

R132

22KF

R243

47

R249

220

R236

1K

R248

1KF

R247

12KF

R252

1.5K

R253

15K

R122

30K

R255

4.7/0.5W

R121

30K

R150

0.1/3W

R231

5.6KF

R101

22KF

R102

21.5KF

R117

100K

R211

12K

R151

0.1/3W

C192

473P

C295

473P

C195

473P

C196

473P

C296

473P

C211

47P

C212

224(M)

C205

100P

C104

22P

C113

183(M)

C213

183(M)

C112

224(M)

C111

47P

C294

473P

C108

68P

C135

150P

C194

473P

C206

22P

C136

473(M)

C140

150P

C208

36P

C132

68P

C193

473P

C237

150P

C204

22P

C138

56P

C105

100P

C141

104(M)

C137

150P

C106

22P

C238

56P

C232

68P

C240

150P

C236

473(M)

C235

150P

C241

104(M)

C293

473P

C291

104P

C191

104P

C292

473P

C142

104P

D101

1N4148

D201

1N4148

BASS BOOST(50Hz,0-12dB/oct)

(80Hz,12dB/oct)

LPF-FLAT-HPF

+15V

-15V

HPF

FLAT

LPF

L-IN

R-IN

+15V

-15V

HPF

FLAT

LPF

+

-

-

+

CHASSIS

473(M)

473(M)

473(M)

C3198GR

473(M)

473(M)

473(M)

104(M)

HI INPUT

104(M)

4

-

5

5

5

6

6

6

7

7

7

4

4

4

8

1

1

1

2

2

2

3

3

3

8

8

8

4

4

4

5

5

5

6

6

6

7

7

7

1

1

1

2

2

2

3

3

3

8

8

8

PROTECTION

4558F

NJM2068LD

Caution

If electricity is connected during disassembly, it must be a no load current. If it is load 
current, be sure to attach a heat sink to the power-amp IC. This will be damaged if the 
above precautions are not followed, as it does not have a sub heat sink attached to it.

Indicates main signal path

    MAIN PCB [3/3] circuit diagrams