Sony MZ-E707 service manual Led R Led G Led O Set Key

6-8. SCHEMATIzC DIAGRAM – AUDIO SECTION – z Refer to page 24 for Notes. z Refer to page 25 for IC Block Diagrams.

CN802

CN803

20P

9P

9

LED R

LED R

LED G

LED G

VC

VC

LED O

5

LED O

SET KEY

SET KEY

C803

470p

XWK1

XWK1

OPEN/CLOSE

C804

0.01

TAP801

(OPEN/CLOSE)

OPEN/CLOSE

HOLD SW

HOLD SW

GND

1

GND

MAIN BOARD

XHP STB

MUTE

CN801

BEEP

VIF

C201

R201

R301

UNREG

1

33

33k

R IN

R202

L OUT

C301

33k

AGND

C101

R101

10

AGND

1

6.3V

33k

L IN

C104

C204

R102

R OUT

6800p

6800p

33k

C302

C303

1

0.1

R104

C103

D802

D801,802

10

0.22

(3 COLOR LED)

TLQU1008

OTUA

BEEP

OTUB

BEEP

LIN

RIN

VCC

ICMT

(ORANGE)

C102

+B

STB

220

2.5V

OUT L

MUTE

(RED)

R103

IC301

4.7k

PWR GND

TA2131FL

BST SW

(GREEN)

R203

R303

4.7k

D801

OUT R

HEADPHONE AMP

BEEP

220k

KPTB-1612SURKMGKC

C202

220

DET

GND

CN804

C860

2.5V

9P

0.1

D860

9

VREF IN

MAZS068008SO

R204

C203

AGC IN

LED R

LED G

10

0.22

C304

BTS

NF2

LPF2

NF1

LPF1

VREF

4.7

VC

D861

6.3V

LED O

MAZS068008SO

R106

5

R206

SET KEY

6.8k

6.8k

R302

XWK1

6.8k

OPEN/CLOSE

C305		Q301	HOLD SW	S809
		2SC4738FL
2.2			GND	(OPEN/CLOSE)
		REFERENCE
			1
		VOLTAGE
	C306
		SWITCHING
	22
				S808
	4V
			HOLD
			OFF	ON

R811 6.8k

R812 10k

R813 15k

R814 33k

R815 68k

MZ-E707

S801

S802

S803

S804

VOLUME-

S805

VOLUME+

S806

GROUP

23 23