Pioneer VSX-815 Schematic

1234

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

X

CN952

V

MIC IN

B

V

CN1

7

2

C

V

CN103

6

4

CN108

1

CN9013CN107

CN951

1

1

CN1902

T

1

IC701

IC801

IC851
PDC121A8
(S-ROM)

A

3

IC102

AK4628VQ

27
25
23
24
21

CN701

NJM2100M

7

11

15

13

19

IC101

4

6

8

10

12

16

14

4

10

7

1

BD3841FS-TBB
(FUNCTION SEL)

218

4

10

7

1

CN601CN1901

19

17

CN109

3

CN701

(CODEC)

31

(ADC)

24 26

42

44

5

1

3

16

(DIR)

IC601
AK4114VQ

(DAC)

DSP

(for DECODE)

B

uPC4570G2
(LPF)

IC105

31

11

IC103

31

7

IC104

31

3

IC104

57

5

31

1

CN109

IC106

IC107

21

51

44

47

54

45

52

CN307

3

J

7

D

U

Y

COMPONENT1

E

COMPONENT2

COMPONENT3

F

COMPONENT OUT

Cb

Cr

Y

Cb

Cr

Y

Cb

Cr

Y

Cb

Cr

IC551 NJM2586

1

3
5

8

10

12

13

15

17

24

22

20

(COMPOSEL)

5

CN105

6

2

4

V

CN901

6
8

L

CN354

48

55

49

NJM2595M

IC352

9

5

7

3

3

1

9

5

7

3

IC351

NJM2595M

11

(Y SEL)

11

(C SEL)

1

19

1

12

VSX-815-K

1234

5678

IC108

BD3813FS

29

23

27

IC110
uPC4570G2
(PRE AMP)

31

31

31

IC111

IC112

FL

CN106

SL

C

14.1/24.1 14.1/24.1 14.2/24.9

CN601

4

CN601

7

G

8

1

5

1

Q653

Q632

Q651

Q631

CN702

6

14

IC602 (FL)
IC601 (FR)

18

IC602 (SL)
IC603/600 (SR)

18

1551

6

IC602

IC602

IC601

C

Q1552

8

11

11

RY751

RY753

RY752

S

S

R

(VSX-915, 815)

(VSX-915, 815)

A

B

C

1

IC109
DB3812F

V

Q601

21

11

14

12

IC114
TC4052BFT

4

CN9015CN301

11

IC115

13

31

9

5

7

3

1

IC301

(COMPOSITE SEL)

NJM2595M

SB
12

13

Q362

I

POWER AMP

IC601, IC602

T+12V

C

M

A

B

A

5

CN401

IC805

CN111

CN8003

CN111

Q682

IC112

Q603

Q681

+BVH

-BVH

NECK+B

NECK-B

+BVL

-BVL

FL AC

FL AC

+12V

-12V

D+5V

A+5V

D+5.6V

7

CN111

14

IC603 (7ch)

18

Q701

Q702

IC801

IC802

IC803

IC804

IC806

VSX-815-K

56

IC603

F

F

8

CN302

D701

D702

D801–D804

D721–D724

7

3

S

RY501 (For 7ch)

S

Q303

CN111

A

Stby+5.6V

IC51

RY51

T1
POWER
TRANSFORMER

I

D51-D54

C

(VSX-915, 815)

For 7ch Model

(VSX-915, 815)

T51

AC IN

8

D

E

F

13

1234

3.2 OVERALL WIRING CONNECTION DIAGRAM

A

FRONT OPT
& MIC
ASSY
(XWZ3926)

CN952

B

J32 J30

C

5/170

XDD3161

FRONT INPUT

V

CN951 CN901

XDX3023-

*8

404
511
CN511
J42

Others
51063-0705
51063-0705

None

D15A07-075-2651

R.ENCODER
ASSY
(XWZ3922)

J29

5/480

XDX3025

511/CN511

N

*8

J42

J31

17/110

FRONT VIDEO IN

CN401

XDD3118-

404

CN402

P

FRONT DISPLAY ASSY

M

(XWZ3911)

FRONT KEY ASSY
(XWZ3965)

XDD3160

J35

21/130

CN450

D20PYY1407E

J40

550

G

CN251

AMP INPUT ASSY

CN254

(XWZ3956)

CN252 CN255

CN253

20

CN601

CN106

CN101

XDD3162

15/150

J43

D

DSP ASSY
(AWX8572)

15

B

CN915

CN807

B 1/2,
B 2/2

19

CN701

CN806

E

CN902

J37

CN1901

CN601

10/60

15

CN805

J30

F

CN1902

DIGITAL IN

T

14

1234

J32

CN108

CN107

J29

MAIN
ASSY
(VSX-915
: XWK3162)

CN806

(VSX-815
: XWK3159)

CN80418CN109

A

A 1/3,
A 2/3,

20

CN802

CN111

A 3/3

XDD3178-

DIGITAL IN

ASSY

(XWZ3999)

CN112

REGULATOR
ASSY
(XWZ3953)

F

REGULATOR

XDD3163

J34

11/110

CN104 CN105

CN103

XDD3164

J33

13/100

XDD3165

8/140

J48

FM/AM TUNER
UNIT*
(AXX7172)

* No schematic diagram

VSX-815-K

TUNER
MODULE

X

FAN

XXM3007

S.VIDEO

L

CN351

CN391
CN390

CN301

9

CN392

9

CN303

J29

K

BOARD

TO

BOARD

CN302

I

VIDEO

CN305

5.1CH

CN307

INPUT

J

5.1CH ASSY
(XWZ3915)

S. VIDEO
ASSY
(VSX-915
: XWZ3995)
(VSX-815

CN354

: XWZ3932)
B TO B
ASSY
(VSX-915
: XWZ3996)
(VSX-815
: XWZ3940)

7

CN803

CN801

XDD3166

5/110

VIDEO
ASSY
(XWZ3907)

J38

XDD3170

J45

7/160

VSX-915 only

J36

23/240

XDD3167

5678

J3

XDD3107-

J22

3/120

J7J6

471/CN471

J47

6/300

D20PYY0630E

TRANS4
ASSY
(XWZ3936)

J41

1551

R

H.P. ASSY
(XWZ3924)

TRANS3
ASSY
(XWZ3961)

CN891

TRANS4

J7 J5 J3

12

10981413 1615

MAIN TRANS

EQ

(J8)

TRANS3

P. SW & FUNC. KEY ASSY

O

501

(XWZ3919)

NOTES: • When ordering service parts, be sure to refer to “EXPLODED

VIEWS and PARTS LIST” or “PCB PARTS LIST”.

• The > mark found on some component parts indicates the

importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of identical
designation.

• : The power supply is shown with the marked box.

VIDEO CONVERTOR

W

BLOCK DIAGRAM

CN1101
52045-

J6J4

-745

7

1

3

XTF3005

18

1

L1102
XTF3005

L1101

9

7

(Y)

(C)

IC1101
(1/2)

TK15420M

3

+
–

5

+
–

1

7

IC1101
(2/2)

TK15420M

IC1102
NJM2243M

3

1

3

1

MONITOR
OUT
CN1102

7

AKP7015

4

7

4

IC1103
NJM2243M

A

B

C

FU701

C
C 1/2,
C 2/2

AMP&
PRIMARY
ASSY
(VSX-915
: XWZ3948)
(VSX-815
: XWZ3945)

COMPONENT

VIDEO

CN551

U S

COMPONENT
ASSY
(XWZ3935)

CONVERTOR

CN1101

1

3

TRANS1
ASSY
(XWZ3958)

J1J2

J1

J2

CN702

CN53

25

23

TRANS2

D

851

J4

J5

CN604

XDD3168

(tape 20mm)

CN1575

PREOUT

D20PYY0715E

J46

TRANS2
ASSY

J21

7/150

(XWZ3959)

701

8/140

1920

2224

21

H

FU1

CN51

PRE-OUT
ASSY
(XWZ3938)

VIDEO

W

56

ASSY (VSX-915 : XWK3185)

VSX-815-K

VIDEO CONVERTOR

AC CORD

ADG7024

S-SYNC DET

7

B*B-PH-K-S
PH CONNECTOR

1.25mm FFC

1.25mm REVERSE FFC

2.0mm FLAT CABLE

1.5mm FLAT CABLE

BOARD IN

1.25mm FFC CONNECTOR(L)

1.25mm FFC CONNECTOR

2.0mm CABLE HOLDER

1.5mm CABLE HOLDER

2.0mm WIRE TRAP

KP200TA**L

2.0mm BOARD to BOARD
KM200TA**

2.0mm BOARD to BOARD

AKP7070, AKP7073

1.25mm BOARD to BOARD

AKP7059, AKP7062

1.25mm BOARD to BOARD

AC CODE SOCKET

AC CODE CONNECTOR

8

D

E

F

15

1234

3.3 MAIN ASSY (1/3)

C141

(L)

10/50

(R)

C142

10/50

FUNCTION

BD3841FS-TBB

4.7K
Q165
2SC5938A

R167

22K 220/6.3

Q166
2SC5938A

R168

22K

4.7K

V+12

100K

R175

V+5A

V-12

V+5A

R142 R141

GND
CLK

DATA

VEE
GND

VCC

C165

4.7/50

C169

C170

0.1/16

C166

4.7/50

AOUTR

100K

GNDA

100K

VSX-915, VSX-815

*2

C151

C152

100p

100p

CH

CH

32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17

GNDA

YB

GDAC

GNDU

R151

100

R152

100

0.01

C154

YB

YB

GNDA

IC102

NJM2100M-TBB

R169

100k

4.7K

R173

100k

R170

4.7K

R174

FR

16171820 19 1415 1213 11 10 9 8 67

FRIN

GDAC

AOUTL

GDAC

Q168

A 3/3

R163

R164

DTA124EK

F

TL

TR

IC101

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16

R165

10K

10K

R166

Q167

GNDU

GDAC

CN109

KP200TA20L

CN804

JA101

*3

GND

(CHASSIS)

REC

VCR/DVR

*3

GND

(CHASSIS)

PLAY

TV/SAT

*3

GND

(CHASSIS)

DVD/LD

REC

MD

GND

GND

(CHASSIS)

PLAY

AUX

JA101

CD

JA102

JA102

JA103

JA103

JA104

JA104

L

C197

R115

STBY

*1 *1

STBY

R116

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

0.01 YB

C199

QTL1013

QTL1013

C180

*1

C101

*1

C102

L103

QTL1013

L104

QTL1013

0.01
YB

*1

C105

*1

C106

*1

C107C108

*1

C179

0.01
YB

*1

C109

*1

C110

L111

L112

*1

C113

*1

C114

C198

R101

330

CH

R102

CH

330

*1

*1

R105

330

CH

R106

CH

330

R107

330

CH

CH

R108

330

R109

330

CH

CH

R110

330

*1

*1

C112 C111

R113

330

CH

CH

R114

330

A

B

C

CD-R/TAPE

*3

D

TO FRONT INPUT ASSY

FRONT R

CN901

GNDA

FRONT L

V

B3B-PH-K-S

3

2

1

CN107

C139

10/50

C140

10/50

E

V+7

V-7

5

4

3

2

1

CN108

52045-0545

MICSW

A 3/3

NOTES: NO INDICATED PARTS IS....

RESISTOR: RS1/16S***J-T, RS1/10S***J-T
CEMICAL CAPASITOR: CEAT***M**-T,-TS
CERAMIC CAPASITOR: CCSRCH****50-T

MICOUT

GNDA

CN952

MICSW

V

TO FRONT INPUT ASSY

F

A

1/3

A

16

CH

CH

C103

C104

GNDA

R129

330

R130

330

CH

CH

R103

2.2K

R104

2.2K

R111

2.2K

R112

2.2K

( )

CH

CH

C128

10/50

V-7

C184 C183

10/50

C185

C186

GNDA

C189

C190

V+7

C121

10/50

CH

*1

C181

C182
C122

10/50

C123

10/50

*1

CH

*1

CH

C124

10/50

C1031

C1041

C127

*1

CH

*1

CH

(L)

*1

CH

C187

*1

CH

C188

(R)

(L)

10/50

*1

CH

*1

CH

(R)

10/50

CH

CH

GNDA1

(MIC)

0.1

C9018

CHASSIS

: AUDIO SIGNAL FLOW

*1

R127

R128

10/50

C131

C132

10/50

C117

C118

C191

C192

CH

22p

22p

C133

C134

(L)

(R)

22p 22p

C137

*1

*1

GNDA0

YB

R123

R124

CH

CH

47K

GNDA

47K

GNDA

10/50

CH

CH

C138

10/50

STBY

R121

R122

47K

GNDA

47K

GNDA

(L)

(R)

R131

R132

GNDA

R133

GNDA

R134

10/50

C136

10/50

(L)

(R)

C9019

(L)

47K

GNDA

(R)

47K

GNDA

(L)

(R)

(L)

C125

10/50

(R)

C126

10/50

47K

47K

47K 47K

GNDA

C135

47K

R135

GNDA

47K

R136

GNDA

47K

R137

GNDA

47K

R138

GNDA

(R)

47K

(L)

GNDA

47K

R140 R139

GNDA

STBY

C9020

INPUTATT

A 3/3

CKSRYB****50-T

(SQ):CKSQ.CCSQ

47K

R125

GNDA

47K

R126

GNDA

GNDA1

VSX-815-K

R161

8.2K

*1

C163

*1

C164

R162

8.2K

DTC143EK

KUXJ/CA

*1

Not used

KUXJ/CA

*3

XKB3017

uPC4570G2-TFB

V-7 V+7

C153

0.01

C155

47/50

C156

47/50

(1/2)

3

2

6

5

C171

GDAC

FL

+

-

-

+

0.01

FLIN

R158

100k

100k

GNDA

4

1

8

V+5A

8

7

4

IC102

NJM2100M-TBB

YB

A 3/3

SR

DSPOL

R155

R156

SRIN

100

100

R159

C167

10/50

C168

10/50

(2/2)

SL

GDAC

(L)

(R)

(R) (L)

(L)

R171

47

(R)

R172

47

DSPOL

SW

SLIN

GDAC

SWIN

GDAC

1234

Low Pass Filter

MP

SL

SR

A 2/3
A 3/3

VLCK

VLDT

A 2/3

INFLB

INFRB

LSSN

FL

A 3/3

SBL

C

SBL

SBR

54 231

CIN

GDAC

SBLIN

TO REGULATOR ASSY

GDAC

SBRIN

(FOR ANALOGUE LINES)

5678

CH

C247

(1/2)

C241

TS

2.2/50

R241

C242

TS

2.2/50

R242

C

C261

TS

2.2/50

R261

C201

TS

2.2/50

47K

R201

FR

C202

TS

2.2/50

R202

47K

C282

TS

2.2/50

R282

SBR

C281

TS

2.2/50

R281

SW

C262 R264 R266

2.2/50

R243 R245 R247

3.3K 3.3K 3.3K

CH

CH

47K

C243

GDAC

R244 R246 R248

3.3K

CH

47K

C244

GDAC

R263 R265 R267

3.3KCH3.3K 3.3K

47K

C263

GDAC

3.9K 3.9K 3.9K

CH

C203

R204 R206 R208

3.9KCH3.9KCH3.9K

C204

GDAC

R284 R286 R288

3.3K 3.3K 3.3K

CH

47K

C284

GDAC

R283 R285

3.3KCH3.3K 3.3K

47K

C283

GDAC

TS

3.3K 6.8K

47K

R262

C245

100p

3.3KCH3.3K

330p

100p

C246

IC104

CH

100p

C265

IC105

R207R203 R205

CH

C205

470p

GDAC

IC105

470p

C206

IC106

CH

C286

100p

IC106

(1/2)

R287

CH

100p

330p

C285

YB

C264

0.022u

GDAC

330p

IC103

330p

330p

IC103

330p

330p

*5

R279

C266

*2

3

2

R251 R253

1.8K 0

R249

3.3K

(2/2)

*2

5

6

R252 R254

3.3K

R250

(1/2)

*2

3

2

R271

3.3K

R269

(1/2)

*2

3

2

3.3K

R209

3.9K

(2/2)

*2

5

6

R212 R214

3.9K

R210

(1/2)

*2

R292

3.3K

R290

*2

5

6

R291

3.3K

R289

IC104

R268

39K

YB

0.01u

330p

8

+

-

+

-

+

-

+

-

+

-

C288

3

2

1.8K 0

C287

+

-

*5 0

C249

1

330p

330p

+

-

(2/2)

R270

4

C248

4

8

C267

8

4
R273

C207

330p

4

8

C208

330p

8

4

330p

330p

4

8

TS

10/50

CH

C250 R258

7

TS

10/50

01.8K

CH

C269

1

TS

10/50

01.8K GDAC

CH

C209

1

TS

10/50

R213R211

68

CH

C210

7

TS

10/50

683.3K

CH

8

C290

1

TS

10/50

4

R294

CH

C289

7

TS 100

10/50

R293

C268

YB

5600p

*2

8

+

5

-

4

6

R272 R274

2.7K

270

1.2K

56

7

R255

R256

R275

R215

R216

R296

R295

R257

100

470K

100

470K

R277

100

470K

470K

V+12

470K

V-12

100

470K

470K

C270

10/50

V+12

YB

C251

0.01

4700p

C257

YB

GDAC

C252

V-12

4700p

C258

GDAC

V+12

C271

4700p

C277

C272

V-12

(FL)

Q232

DTC124EK

YB

(FR)

C217

0.01

YB

0.01

C218

GDAC

0.01

C291

R298

4700p

C298

C292

0.01

GDAC

V-12

R297

C297

4700p

GDAC

R278

TS

100

47K

C278

R276

GDAC

VSX-815-K

0.01

GDAC

0.01

0.01

DTA124EK

V+12

YB

YB

4700p

YB

YB

GDAC

Q231

GNDU

GDAC

(SR)

(C)

(SBL)

(SBR)

V-12

(SL)

V+12

R231

1M

R230

1M

100K

A 2/3

INSRA

A 2/3

INCA

A 2/3

R217

GDAC

D229R229

1SS355

D230

1SS355

R218

(SW)

7

A

INSLA

IC107

R219

0

C211

STBY

G

G

R220

0

C212

STBY

GDAC

INSBL

2-C1

A 2/3

INSBR

1/3

STBY

D

S
D

S

INSWA

MAIN ASSY
(VSX-915 : XWK3162)
(VSX-815 : XWK3159)

For Front Input (J29, J30)

V+12

-

+

V-12

(1/2)

-

+

D103

1SS355

D104

1SS355

D105

1SS355

D106

1SS355

D107

1SS355

D108

1SS355

R225

3.9K

C219

8

0.1
1

4

C220

0.1

GDAC

R226

3.9K

*2
8

7

4

VSX-815/KU,
VSX-915

Not used

1.8K

103 104

STBY

GNDA

YB

TS

C213 R227

10/50

YB

R233

TS

10/50

R234

100

470K

R228C214

100

470K

101

VEF1040-A VEF1040-A

(1/2)

*2

STBY

R221

4.7K

YB

R223

4.7K

Q229
2SK208

Q230

2SK208

R224

4.7K

R222

4.7K

YB

R237

R238

GDAC

102

GDAC

GNDA

GDAC

2

3

1.2K

GDAC

1.2K

IC107

6

5

*5

R279

R291

A 2/3

GNDU

GNDU

C215

C216

GDAC

8

0.01

GDAC

A 2/3

0.01

A

105

VEF1040-A

A 2/3

INFLA

YB

INFRA

YB

1/3

A

B

C

D

E

F

17

1234

3.4 MAIN ASSY (2/3)

A

A

B

A 1/3

A 1/3

C

VLDT

MAIN ASSY

2/3

(VSX-915 : XWK3162)
(VSX-815 : XWK3159)

INFRA

INFLA

INCA

INSRA

INSLA

INSWA

INFRB

INFLB

A 3/3

INFRA
INFLA
INCA
INSRA
INSLA
INSWA

INFRB
INFLB
INCB
INSRB
INSLB
INSWB
INSBB

R334

100K

GNDA

YB

YB

4700p

4700p

C308

10/50

10/50

C301

C302

41423940 38 3537 36 3234 33 31 2930
43
44

VINFL

45

GOUTFL

46
47
48
49
50
51
52
53
54
55
56

GOUTSW

GND

12 4563

C306

10/50

C310

TNFL

TNFR

VINFR

GOUTFR

6 CH E-VOL

BD3813KS_TBB

VINSR

VINSW

GOUTSL

GOUTSR

789 111210 13 14

C303

C304

10/501K10/50

R301

C307

BNF1R

IC108

VINSL

4.7k

GNDU

C312

BNF2R

GOUTC

C305

10/50

R302

4.7k

BNF2L

BNF1L

GND

VINC

C311

C309

GND

PORTA

C317
100p

C318
100p

DATA

PORTB

R317

GND

FLOUT

GND

COUT

FROUT

GND

SROUT

GND

SLOUT

GND

SWOUT

GND

SBOUT

VCC

CLK

GND
VEE
VDD

R304

100

R303

100

CH

28
27
26
25
24
23
22
21
20
19
18
17
16
15

CH

1K

R318

V+7

R307
100

R306

100

R305

100

R308

100

YB

C330

V-7

V5R6

V+7

C319

0.01

YB0.1u/16

YB0.1u/16

C310

C309

(FR)

(FL)

0.01

YB

C329

GNDA

YB0.1u/16

YB

0.1u/16

C312

C311

D301

YB

0.01

1SS355

(SR)

(SL)

(C)

(SW)

VLCK

TO 5.1 INPUT ASSY

AG

-12V
SW

D

+12V

SL
AG
SR

E

A 1/3

F

A

A

18

CN105

52044-0845

1

C

2

3

4

5

6

7

8

CN307

J

INSBL

INSBR

2/3

47K

R336

MVRATT

C400

9

A

X1

X0XX3

Y

VEE

INH

3

567

8

V-7

B

VSS

0.01

A 3/3

YB

YB

0.01

C401

R378

C362

10/50

R371

4.7K

100K

Q361

2SC5938A

B

R382

2.2K

R383

2.2K

10/50

V-12

C384

10/50

C385

C

E

47k

R379

V+12

GNDA

OUT1

V-12

(SB CH)

2 CH E-VOL

IN1

GNDA

NOTE

1.RESISTORS

Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
Rated power: 1/16W unless otherwise noted.
Tolerance: (J) 5% unless otherwise noted.

2.CAPACITORS

+

–

Unit: p-pF or µF unless otherwise noted.
Ratings: Capacity(µF)/Voltage(V) unless otherwise noted.
Rated Voltage: 50V expect for electrolytic capacitors.

JA:CEJA

: AUDIO SIGNAL FLOW

(SBL)

(SBR)

V+7

CH

C313

100p

131410121189

DA

SEL

OUT2

DGND

MUTE

IC109

BD3812F-TBB

AGND1

AGND2

VEE

AGND3

IN2

2143567

YB

C315

0.01

V-7

1K

R313

CL

VCC

1K

R314

C380

R316

100

10/50

C381

R319

100

10/50

CH

100p

C314

GNDU

V+7

YB

C316

0.01

GNDA GNDA

GAV

A 3/3

R380

GNDA

R381

GNDA

D331D332

100K

100K

UDZS6.8BUDZS6.8B

STBY

BIAMP

0.01

C331

0.01

C332

V+12

R312

V-12

R311 D311

YB

YB

D312

V+7

1SS355

100/1W

C333

C334

100/1W

V-7

1SS355

R315

TC4052BFT

IC114

0

R333

470/10

470/10

Q336

DTC124EUA-TLB

0

16141315121110

VDD

X2

Y0

Y2Y1Y3

142

VSX-815-K

1234

5678

C321

10/50

C322

10/50

10/50

10/50

GNDA

C341

C342

GNDA

R331

R332

R351

GNDA

R352

100K

GNDA

100K

100K

100K

(FL)

R321

4.7k

4.7k

R322

2SC5938A

(FR)

OFF : -12.0v
ON : 4.3v

(SL)

2SC5938A

R341

4.7K

4.7K

R342

2SC5938A

Q321

2SC5938A

Q322

Q341

Q342

(SR)

PRE-AMP

IC110

uPC4570G2

+

3

FL

1K

-

R323

2

C323

C324

R324 R325

R328

6

1K 2.7K 2.7K

-

R326

FR

5

+

IC110

uPC4570G2

(1/2)

IC111

uPC4570G2

+

3

SL

1K

R343

-

2

R347

C343

R345

2.7K

C344

R344

*1

R348

6

1K 2.7K

-

R346

SR

5

+

IC111

uPC4570G2

(1/2)

4

8

8

4

4

8

(2/2)

(2/2)

8

4

1

R327

*1

100p

CH

100p

CH

*1

7

1

100p

*1
100p

CH

CH

7

C326

47/25

V-12

47/25

V+12

V-12

C346

C325

YB

YB

C327

0.01

47/25

C328

0.01
YB

C345

47/25

V+12

C347

GNDA

C348

0.01

A 3/3

R329

100k

R330

100k

GNDA

GNDA

R349

100k

0.01
R350

100k

YB

GNDA

C391

GNDU

(SL)

(SR)

SWPR

0.1/16

(C)

YF

(SW)

(SBL)

(FL)
(FR)

PREG

(SBR)

MA

GNDU

A 3/3

MVRATT

C392

YB

1000p

A 3/3

BOARD_DET/6_OHM

TO AMP INPUT ASSY

CN106

52045-2145

1

3

5

7

9

11

13

15

17

19

21

C320

GNDA

2

4

6

8

10

12

14

16

18

20

1000p

YB

C
GNDA
GNDA
FL
GNDA
FR
GNDA

SL
GNDA

SR
GNDA

SBL/SB

GNDA

SBR

AMUTE
ATT

BRD DET
/6 OHM

OLDT
DCDT

NECK

GNDU

GNDCH

A

B

C

CN254

G

C361

10/50

GNDA

R362

B

4.7k
Q362

2SC5938A

R376

2.2k

(SBL)

R384

R385

(SBR)

R367

100K

100K

100K

R364

4.7K

R357

C

4.7k

R375

E

2SC5938A

510

GNDA

4.7k

R388

4.7k

R389

(C)

Q396

2SC5938A

Q395

(SW)

2SC5938A

Q388

Q389

2SC5938A

C370

4.7/50

1K

R361

R363

C363

R359

2.7K

C364

R368

2.7K

R372

910

R370

R366

200k

IC112

uPC4570G2

(2/2)

1K

R390

R386

2.7K

R387

2.7K

1K

R391

(1/2)

IC112
uPC4570G2

4

+

3

C

-

8

2

*1

6

8

-

SW

5

+

4

uPC4570G2

4

+

3

SBL

-

8

2

R392

C386

C387

R393

6

8

-

SBR

5

+

4

IC115

uPC4570G2

*1

100p

CH

4700p

IC115

*1
100p

1

YB

CH

*2

7

(1/2)

7

(2/2)

1

100p
CH

V-12

YB

V-12

C366

47/25

YB

C365

47/25

V+12

C367

0.01
NP

0.01 YB

C388

V+12

C393

0.01

0.01

C368

GNDA

4.7/50

GNDA

GNDA

C390

YB

GNDA

R365

R374

C389

47/25

100k

100k

R394

R395

100k

100k

V+5U

C300

STBY

*1

KUXJ
/CA

*2

KUXJ
/CA

FRONT, REAR

R327

GAIN(dB)

R328
R347
R348

(Ohm)

14.1/24.1

15k

R393

915

Others

15k

Center,SB

R363

GAIN(dB)

R392

(Ohm)

15k 14.2/24.9

915

14.1/24.1

R372

(Ohm)

15k

0

D

SW

GAIN(dB)

E

F

R377

47k

V-12

R300

STBY

V-12

VSX-815-K

56

A

2/3

19

7

8