Sony MZ-N505 service manual Page, Replace only with part number specified

MZ-N505

6-10. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 42 for Waveforms. • See page 43 for IC Block Diagrams.

(4/4)

E1

E2

R830

1M

NV

SCK0

SDO0

SDI0

E3

E4

E5

KCT	C308
D	0.1

A/D CONVERTER

IC301

AK5354VT

EEPROM

IC804

AK6417AM
XCS	VCC
SK	XBUSY	C823
		0.1
DI	RST
DO	GND

DPX	SCX	0KC S	0OD S	KCR L	652 SF	KCB X	TDD A
		1k	1k				R310
		R305	R304
							0
LIN1	SNC IN1R	KLCC 2LIN	TIDC 2INR	KCLR MCOV	LKCM DNGA	KLC B AV	OTD D S V
NDP

∗ R104,204

10k (EXCEPT US)

22k		(US)
∗	10k	10k	∗
R204	R207	R107	R104

	∗ C101,201	R201
	0.47 (US)
		22k	C315
	2.2 (EXCEPT US)		1
			C314
	C201	R203	10
			6.3V
B1	∗	47k
B2

C101 R103

∗47k

R303

R10147

		C110	1
		C210	1
							R211	R111
SX	ETU	BEEP					22k	22k
							0.5%	0.5%
	M
						Q301
						SC4738FL
						REFERENCE
		R309 220k			C320	VOLTAGE
					4.7
					4V SWITCHING
						R306	22k
						R315	10k
STB	ETU M	WS TS	EPBE	DNG	VREF IN
TCMT					VREF
		B
VCC					LPF1
IN R						NF1
	HEADPHONE AMP
IN L		IC302			LPF2
		TA2131FL
OUTB BEEP		D				NF2
								C312
OUTA BEEP		NGW	RTU
				ET		BST		2.2

R112

47k

0.5%
R212	C211	C111
47k	100p	100p

0.5%
C316
10
4V	C340
	0.1

F801

R3110.25A

1M125V

	R316	Q302
		2SA2018TL
	100k
		B+ SWITCH
	R320			R302	C330
XOCTL	10k			1k	0.1
			R307
DIN1			100
XJDET			R317	100
OPDET
		C325	C326	R318
		1000p	1000p	1k

C321

0.1

C331

1000p

FB301

	0	RVDD
	FB302 0	DTCK
C336	FB304	KEY-R
220p	0	RGND

HP-GND

J301

LINE IN

(OPTICAL)

OPTICAL RECEIVER

LINE IN

JACK

J302

(Page

40)

6 C3053V.

2.2

C306

0.1

.0 C3021

6 C3013V.

47

C307

C335

22k

C103

2200p

C102

4700p

C202

4700p

C203

2200p

+B OUT L P O D AGC IN

C105			5V.2 220		C205
0.22		C104			0.22
R106	C311			C204	R206
				220
10	0.1				10
				2.5V

Z-4. 02DZ2	Z-4. 02DZ2	1000p	1000p	1.0
D201	D101	C206	C106	C334

HP-L

HP-R

FB303

0

D301

NNCD6.8H

E8

E9

E10

E11

C1

(Page 38)

0.1 10

6.3V

L301

10∝ H

R826

0

R105 4.7k R205 4.7k

R855	R853
0	0

R864

100k

R810

100k

R863

100k

-1 -2

Q801

XP1501

RESET SWITCH

C830

0.1

C826

0.22

ZZ1
		CN801
SK2		15P
		SET KEY 2
SK1		DGND1
		SET KEY 1
XHOLD
	R849 0
ZZ2		HOLD
		XWK1
ZZ3
	R850	0
PAUSE		REC
	R851 0
		PAUSE
LS		S GND
		STB
XL
		CS
SDO0
		SDO
SCK0
	FB805	0
		SCK

LR

RST DVDD DGND2

SWITCH

&

LCD

MODULE

The components identified by mark 0 or dotted line with mark 0 are critical for safety.

Replace only with part number specified.

Les composants identifiés par une marque 0sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.

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