Yamaha TX6n 用户手册

1+

2+

1–

2–

1+

2+

1–

2–

Current

Sensor

Po

wer

Amplifier

Stage

Vol

tage

Amplifier

Stage

Di

fferenti

al

Amplifier

Stage

Di

fferenti

al

Amplifier

Stage

MAIN TRANSFORMER CHA

FG

FAN(L)

PowerSW

PHASE SHIFT SWITCHING

+B

_

2

–B

_

2

+E

_

2+15V

–E

_

2

–E+2+15V

+E

_

2

–15A

+5D

+3.3D

+5A

+15A

AGND

DGND

+24A

_

A

SUB TRANSFORMER

–5A

+B

_

1

–B

_

1

+E

_

1+15V

–E

_

1

–E

_

1+15V

+E

_

1

MAIN TRANSFORMER CHB

FAN(R)

OUTPUT

(SPEAKERS)

FB

+B

_

1

+E

_

1+15

+E

_

1

–E

_

1+15

–E

_

1

–B

_

1

To

tal G

a

in

: +37dB

To

tal G

a

in

: +37dB

PGND

_

1

CH B

CH A

AC VOLTAGE 

DETECT

VOLTAGE 

SENCE

+15VA

+15VA

+15VA

PGND

_

1

FAN CONTROL

CIRCUIT

FAN CONTROL

CIRCUIT

PGND

_

2

PSW

DETECT 

+5VA

+3.3VD

–15VA

–5VA

LCD M

o

d

u

le

SENS

E_

U

SENSE_

I

A/D

Vol

u

m

e

Control

D/A

Vol

u

m

e

Control

CPU

ANALOG AUDIO

FG

ANALOG AUDIO INPUTs

[+24dBu] MAX

ANALOG AUDIO Signals

[+13.2dBu] MAX

GAIN

–10.8dB

GAIN

–10.8dB

Channel B

Channel A

BA

Negative

Feedback

Loop

Net

w

ork

Negative

Feedback

Loop

Net

w

ork

Cur

rent

Sensing

Volt

a

g

e

Limitter

Volt

a

g

e

Limitter

EEEngine

EEEngine

ASO

Limitter

Tempe

rat

ure

senso

r

Tempe

rat

ure

senso

r

+B

_

2

+E

_

2+15

+E

_

2

–E

_

2

+15

–E

_

2

–B

_

2

PGND

_

2

Vo

ltage

Senso

r

Current

Sensor

Vo

ltage

Senso

r

BA

Power

Amplifier

St

age

Voltage

Amplifier

St

age

FB

EEEngine(–B)

EEEngine(+B)

Volt

a

g

e

Limitter

Volt

a

g

e

Limitter

Current

Sensing

ASO

Limitter

Protection

Relay

Protection

Relay

Clip

Detecto

r

Clip

Detecto

r

DIT

IN

OUT

THRU

DIR

+90

°C

PS HEAT SINK

PS HEAT SINK

150Apeak

150Apeak

TEMPERATURE

SENSOR

TEMPERATURE

SENSOR

CONTROL 

IC

+90

°C

SHUTDOWN

CIRCUIT

(LATCH)

SHUTDOWN

CIRCUIT

(LATCH)

OVERCURRENT 

DETECTOR

OVERCURRENT 

DETECTOR

SWITCHING

DRIVER

SWITCHING

DRIVER

RELAY

RELAY DRIVE

CIRCUIT

RELAY DRIVE

CIRCUIT

RELAY

+24

+24

DSP

CLIP

RELAY_PA

TEM

P

_

P

A

FAU

L

T

_

OU

TPU

T

PSW

_

DETECT

MAINS

TEM

P

_

PS

RELAY

_

PS

SHU

T

DOW

N

_

PS

FAN

_

CON

T

ROL

FAN

_

MONITOR

FAULT

OUTPU

T

NETWORK

MY SLOT

AES EBU

POWER(WH)

ST

ANDBY(OR)

PAR

ALLEL(OR)

BR

IDGE(GR)

PRO

TECTION(RE)

NE

TWORK(GR)

ID

EN

TIFY(BL)

MU

TE(RE)

ALERT(OR)

CLIP(RE)

SIG

N

AL(GR)

MUT

E

FUN

C

T

IO

N

HOME

EXI

T

ENTER

CHA

CHA

CHB

CHB

CHA

CHB

CHA

CHB

CHA

CHB

CHA

CHB

ENCODER

EMI

FILTER

SIO

SWITCHING

CONTROLLER