Yamaha DSP-AX757SE Service Manual download pdf (Page 37)

ABCDEFGH

1

2

3

4

5

6

RX-V757/DSP-AX757/DSP-AX757SE

RX-V657/HTR-5860

64

■ BLOCK DIAGRAM / ブロックダイアグラム

Y

C

Component

MONITOR OUT

D-Tarminal

MONITOR OUT

DSP-AX757

model

IC703

NJM2581M

1,3,5 13,11,9

SERIAL CONTROL

POWER RELEY

70

SPEAKER RELEY

71,72,76,77,78

MUTE CONTROL

38,39,40,42,43

81

POWER SAVE

79

/4ohm

32

/PURE

59

XMPWR

54

S-Video

D-Tarminal Component

Composite

DVD

DTV/CBL

DVD

DTV/CBL

Input

Selector

74HC4051

IC601,602

Input

Selector

74HC4052

IC701,702

704

Selector

74HC4053

IC604

(1/3)

OSD

LC74781

-9798

IC606

Y/C Mix

Q604,605

Y

C

Selector

74HC4053

IC604

(3/3)

COMPOSITE

MONITOR OUT

Chroma

Decoder

TA1270BF

IC711

1H Delay

Line

TA8772AN

IC710

Y,Cr,Cb

Y,Cr,Cb

Y,Cr,Cb

Blanking

74HC4053

IC604

(2/3)

L1,L2,L3

R, T, A, B, G, E, L models

RX-V757, DSP-AX757, DSP-AX757SE, RX-V657 models

HTR-5860 model

S-VIDEO

MONITOR OUT

DSP-AX757

model

MICRO COMPUTER

M30622

IC451

IR REMOTE

U801

POWER SW

SW861

VOLUME

SW801

INPUT SELECTOR

SW802

TONE CONTROL/ DSP PROGRAM

SW803

FL DISPLAY FL DRIVER

IC801

83,100

,1,2

86,87

94,95

13

15

84,85

88,89

74

75

XL451

16MHz

VIDEO CONVERSION

DSP

TUNER/RDS/XM

ZONE2 SELECTOR

SELECTOR/VOLUME

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

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

Y

C

D408

IC401,402,

40,3

D133

D141-144

RY401 F1

F2/J401

TE401

D313

D410

C118

C116

C119

C117

+B

G

-B

C132C133

+BL

G

-BL

-30V

Q120

-VP

D312

+12V

IC302

-12V

IC303

+12

G

-12

C365C366

+9V

IC712

+9V

+5V

IC713

+5V

+5V

IC304

+5D

+3.3V

IC306

+3.3D

G

-5V

IC714

-5V

C367C368

FL1

FL2

Power Detector

/Reset

Q402,403

Q401

POWER RELAY

+5.5V

IC452

Q501

G

+5S

+5M

+5BU

D453

T401

D452

D451

POWER SAVE

RY401

s10

D21

C33

+3.3V

IC21

+5BUS

+5V

IC22

+5X

+5V

IC27

+3.3X

G

XMPWR

/PURE

RY126

/4ohms

RY126

Input

Selector

74HC4051

IC901

IC605

LA7109

23,33

14,4

IC605

LA7109

25,35 11,1

IC902

LA7108M

11,13 7,4

V-AUX

DVD

DTV/CBL

VCR1

VCR2/DVR

VCR1

VCR2/DVR

V-AUX

DVD

DTV/CBL

VCR1

VCR2/DVR

VCR1

VCR2/DVR

Y

C

V

V

Selector

74HC4053

IC603

12

43

12

13

14

IC607(2/2)

TK15420MTL

IC607(1/2)

TK15420MTL

IC609(1/2)

TK15420MTL

IC609(2/2)

TK15420MTL

1

2

15

3

1

15

12

13

14

KEY SW806-814,816-819,824

KEY SW804-811,816-819,866,867

PRI

80

PRV

90

PRD

91

PLDET

92

THM

93

POWER

DETECT

73

/RESET

12

Y/C Sep

TC90A49F

IC705

12

43

12

43

12

43

12

43

12

43

12

43

12

43

V801

Selector

74HC4053

IC708

3

4

15

40

5

6

2

1

POWER

TRANSFORMER

C412

U, C modelsXM

MAIN

FUNCTION • See page 87 → SCHEMATIC DIAGRAM

SUBTRANS • See page 92, 93 → SCHEMATIC DIAGRAM

SUBTRANS

• See page 92, 93 → SCHEMATIC DIAGRAM

CONVERSION

• See page 94 → SCHEMATIC DIAGRAM

OPERATION

• See page 88, 89 → SCHEMATIC DIAGRAM

• See page 90 →

SCHEMATIC DIAGRAM

POWER

• See page 91 →

SCHEMATIC DIAGRAM

• See page 95 →

SCHEMATIC DIAGRAM

OPERATION

• See page 88, 89 →

SCHEMATIC DIAGRAM

OPERATION

• See page 88, 89 →

• SCHEMATIC DIAGRAM

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