Yamaha DSP-AX757SE Service Manual download pdf (Page 44)

ABCDEFGH

IJKLMN

RX-V757/DSP-AX757/DSP-AX757SE

RX-V657/HTR-5860

■ SCHEMATIC DIAGRAM (POWER)

REGULATOR

POWER SUPPLY

SBL

55.6

56.2

0-0.6

1.1

-55.1

55.1

-0.6

55.6

56.2

0.1

0.1-0.6

1.1

-55.1

55.1

-0.6

55.6

56.2

-0.6

1.1

-55.1

55.1

-0.6

55.6

56.2

-0.6

1.1

-1.0

-0.5

1.1

55.1

-0.6

56.2

0.6

56.2

56.0

0.1

0.6

0.1

-56.2

-0.5

-1.0

-49.7

-50.3

-0.6

55.1

1.1

55.1

55.6

-0.6

56.2

-49.2

-56.2

-1.0

55.6

56.2

-0.6

1.1

-55.1

55.1

-0.6

55.6

56.2

-0.6

1.1

-55.1

55.1

-0.6

0.1

56.2

0.4

0.9

0.1

0.9 4.9

12.1 19.2

-12.1 -20.1

4.9 10.1

0 3.3 10.1

19.2

-20.1

-0.1

10.1

-11.2

-0.1

AC 17.5

AC 31.1

TO POWER TRANSFORMER

Page 90 F-7

TO MAIN (1) W8

Page 94 F-9

TO CONVERSION (1) CB706

Page 90 D-10

TO MAIN (1) W12

POWER (2)

POWER (1)

Page 90 A-5

TO MAIN (1) CB6

Page 90 A-4

TO MAIN (1) CB5

Page 90 A-1

TO MAIN (1) W15

Page 87 I-2

TO FUNCTION (1) CB307

Page 87 I-2

TO FUNCTION (1) CB308

Page 87 I-3

TO FUNCTION (1) W301

All voltages are measured with a 10M

Ω

/V DC electronic volt meter.

* Components having special characteristics are marked

and

must be replaced with parts having specifications equal to

those originally installed.

* Schematic diagram is subject to change without notice.

* 電圧は、内部抵抗10MΩの電圧計で測定したものです。

* Z印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、

パーツリストに記載されている部品を使用してください。

* 本回路図は、標準回路図です。改良のため予告なく変更することがございます。

IC306 : NJM2388F33

Rgulator

IC301 : LM61CIZ

Temperature Sensor

Vout

+Vs

GND

VOUT

VIN

CONT

GND

Over Current

Protection

Over Voltage

Protection

Bandgap

Reference

ON/OFF

control

Thermal

Protection

1 2 ... 39 40 41 42 43 44 45 46 47 48

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Yamaha DSP-AX757SE Service Manual Page 44

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