Sony R501PC service manual Main Board, Block Diagram Audio Section

MZ-R501/R501PC

6-3. BLOCK DIAGRAM — AUDIO SECTION —

MAIN BOARD

(2/3)AUDIO SECTION

OPTICAL

RECEIVER

VIF B+

OPT CONTROL

SWITCH

Q302

DIN1

J301

LINE IN

(OPTICAL)

SERVO

1

(LINE IN JACK)

SECTION

(Page 30)

LIN2

3

SDTO

A/D

IP

LIN1

1

ADDT

9

CONVERTER

GAIN

RIN2

&

AMP

4

HPF

RIN1

2

AUDIO

I/F

CONTROLLER

BCLK

A/D CONVERTER

HEADPHONE AMP

10

IC302

IC301

J302

IN L

OUT L

12

LRCK

22

2

i

OUTA BEEP

24

21

IN R

OUT R

4

SYSTEM

SDO0

CDTI

OUTB BEEP 23

SDO0

13

CONTROL/POWER

3

SCK0

CCLK

AUDIO

REFERENCE

SCK0

14

MUTING

BEEP

SECTION

15

CSN

I/F

CLOCK

VREF IN

13

VOLTAGE

CONTROLLER

SWITCHING

(Page 32)

DIVIDER

Q301

MCLK

BEEP

MUTE

STBY

16

PDN

STANDBY

11

15

17

18

70

69

203

204

71

29

30

215 192 191

218

240

VC B+

AP302(RVCC)

XBCK

LRCK

ADAXCS

ADAXPD

FS256

AOUTL

AOUTR

XOPTCTL XJACDET

OPTDET

MUTE

STBYXHP

RMC DTCK 142

AP303(DTCK)

AP304(KEY-R)

AP305(RGND)

						SYSTEM CONTROLLER,
SDI0	179	SI0				DIGITAL SIGNAL PROCESSOR
						16M BIT D-RAM
SDO0
	180	SO0				IC801(2/3)
SCK0
	181	SCK0			OSCO
		XCSNV	OSCI
		219	24		25	SYSTEM
		SDI0 SDO0 SCK0				CONTROL	4 RMC KEY
				X801
						/POWER
				45.1584MHz		SECTION

4	3	2	1
DO	DI	SK	XCS

EEPROM

IC804

(Page 32)

Signal path

: PLAYBACK

: REC(ANALOG IN)

: REC(DIGITAL IN)

31 31