Yamaha DSP-AX757SE Service Manual download pdf (Page 36)

ABCDEFGH

1

2

3

4

5

6

RX-V757/DSP-AX757/DSP-AX757SE

RX-V657/HTR-5860

63

■ BLOCK DIAGRAM / ブロックダイアグラム

POWER AMP

Volume IC

YAC523

IC301

MUTE CONTROL

8:2

CODEC

AK4628

IC16

D60YA003BPYP225

Main Decoder

IC5

Post Prosessor

16M SDRAM

IC6

Selector

SN74LV157APWR

IC14

ANALOG

LC89057W

DIR

IC2

RX0

RX2

RX3

RX4

RX5

RX6

RXOUT

RDA

Buffer

TC74HCT04A

*VDD=3.3V

IC1

MD/CD-R

DVD

DTV/CBL

CD

DVD

V-AUX

1B

1A

1Y

MIC in

ADL/ADR

DAFL/DAFR

DAC/DASW

DASBL/DASBR

DASL/DASR

DAPL/DAPR

FM/AM

PHONO EQ

IC833

Input Selector

BD3841FS

IC831

FL/FR

SBL/SBR

C/SW

SL/SR

Switch

NJU7311AM

IC305 (1/2)

Center

Volume IC

YAC520

IC302

IC311

IC310

Switch

NJU7313AM

IC304

IC309

IC306

IC307

IC308

DAFL/DAFR

DAPL/DAPR

DAC/DASW

IC313B

IC313A

SWFR

DASL/DASR

IC314

IC19

IC21

IC20

*Selectable

with PL/PR

or Z2L/Z2R

DIGITAL

IC17

Input Selector

AXR1(0)

AXR0(8)

Decoder

4/8M ROM

IC8

Buffer

74VHCT00AMTCX

*VDD=5.0V

IC3

MD/CD-R

Selector

SN74LV157APWR

IC7

4A

4B

4Y

2

4

5

8

9

10

AXR1(5)

AXR1(4)

AXR1(3)

AXR1(2)

AXR1(1)

21

150

147

146

145

144

IC18

Head Phone

IC26

XM

143

152

3

2

FL/FR

PL/PR

C /SW

SL/SR

SBL/SBR

27,28

25,26

23,24

21,22

6

7

8

12

9

31,32

43

12-9

XMDT

I2S

IC1

AK4384ET

2ch DAC

IC25

3 11,10

1

13

14

12

2ch DAC

AK4382A

IC15

D/A

PL/PR

D/A

C /SW

D/C

SL/SR

D/A

SBL/SBR

A/D

ADL/ADR

Att.

-9dB

MIC in

Switch

Q3,4,6

Zone2 Selector

BD3841FS

IC832

PHONO

CD

MD/CDR

DVD

DTV/CBL

VCR1

VCR2/DVR

MD/CDR

VCR1

VCR2/DVR

ZONE2

TUNER

ZONE2 [RX-V757 (U, C, A, G), RX-V657 (U, C, A, B, G, E) models]

TUNER [DSP-AX757SE model]

MULTI CH INPUT REC OUT

11,20

10/21

12,19

6,25

9,22

Switch

NJU7312AM

IC303 (2/3)

7,8,24,23

Switch NJU7312AM

IC303 (3/3)

3,28

4,27

2,29

DASBL/DASBR

ADL/ADR

Switch

NJU7312AM

IC303 (1/3)

Z2L/Z2R

11/20

8/23

3/28

5/26

10/21

7/24

2/29

5,263,4

12

9,22

6,25

19

5

8,9

6,7

IN1,IN2

IN3

IN6

IN7

IN4

IN5

Center

Front

Surr.

Surr.Back

912

10

12

8

9

1

34,33

29,28

31,30

IC312

Center

Surr.

Surr.Back

32

Front

Switch NJU7311AM

IC305 (2/2)

3,28

2,29

5,26

6,25

Muting

Q313,314

Muting

Q304,305

Muting

Q309,310

Muting

Q311,312

Muting

Q308

Muting

Q306,307

-

+

-

CENTER

FRONT

SURR.

or PRESENCE

or ZONE2

SURR.BACK

Muting

Q180,181

C871,874

C138,139

C140,141

C143,142

C145

C144,146

C144,146

PRESENCE L/R

or ZONE2 L/R

SURROUND BACK L/R

FRONT A

FRONT B

FRONT L/R

SURROUND L/R

CENTER

SUBWOOFER

RY125

RY124

RY121

RY181

RY122

RY123

SPEAKER RELEY

MUTE CONTROL

OUT1

OUT2

OUT6

OUT7

OUT4

OUT5

OUT3

V-AUX

FM/AM

TUNER

(11)

7.2MHz

Muting

Q831-834

MUTE CONTROL

NJM4556AL

RX-V757 / 657 models

U, C models

R, T, K, A, B, G,

E, L, J models

RX-V757, DSP-AX757,

DSP-AX757SE models

RX-V757 (U, C, A, G) /

RX-V657 (U, C, A, B, G, E)

models

DSP-AX757SE model

SPEAKER OUT and PRE OUT

U, C models

DSP

XM

OPERATION

OPERATION

FUNCTION

MAIN

• See page 85, 86 → SCHEMATIC DIAGRAM

• See page 87 → SCHEMATIC DIAGRAM

• See page 90 → SCHEMATIC DIAGRAM

• See page 88, 89 → SCHEMATIC DIAGRAM

• See page 95 → SCHEMATIC DIAGRAM

• See page 88, 89 →

SCHEMATIC DIAGRAM

• See page 94 →

SCHEMATIC DIAGRAM

RX-V757, DSP-AX757, RX-V657, HTR-5860 models

FUNCTION

• See page 87 →

SCHEMATIC DIAGRAM

CONVERSION

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