Sony MZ-N1 service manual Page

MZ-N1

6-9. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 40 for Waveforms.

B1

B2

B3

B4

(Page 36)

D1

D2

D3

D4

D5

D6

D7

(3/4)

S801

HOLD

VRP

TED W

LES C

CER

LES A

LTC OX

PEE B

OPEN/CLOSE

0KC S

0OD S

I0DS

4S08L

4S08

21C8 100.

TED MX

TED JX

TED PO

PDV

PCV

PLV

KLC S

TAD S

10

10

C829

D804

MA2S728

S804

C825

C828

DETECT

C817

C816

6.3V

6.3V

0.1

R858 1M

0.047

0.047

k

k

k

1

1

1

R867

C845

D803

R814

C851

26

36

46

C815

470k

0.01

MA2S728

0

0.1

8

8

8

0.047

R866

R

R

R

R812

R818

1k

S803

0

0

k

k

k

RECHARGEABLE

2.2

2.2

2.2

BATTERY IN DETECT

4

5

6

R865

28R

28R

28R

2.2k

F1

(Page

OFF HOLD MICS

GSW

XCS

LSTB

CS

NV1

S801

XRST

JOGA

JOGB

PDS0

PDS1

PAUSE

R801

0

S802

PROTECT

DETECT

CHGG

CHGC

NV2

XMD

CCU

S802

SCU

VLON

SL803

SL

FF

R850

CLK SEL	2W SD NG	LTC BSS BST	DEL RPO CER	LES TUO A	LTC GV
MIC
SENSE
GND SW
XCS LCD
LCD STB
MUTE
CS RTC
XCS NV1
IFVDD1
IFVSS1
XRST MTR DRV
XRF RST
SPDL MON
XHOLD SW
JOG A
JOG B
PD S0
PD S1
PAUSE KEY
PROTECT
SLD MON
VLON
DVSS1
DVDD1
SLEEP
FFCLR
CHG GAIN
CHG CTL
CHGI CTL
XHP STBY
XCS NV2
IFVSS2
IFVDD2

LTC	TSR
T	T
POX

IDK SCK KLC K

BRK ODK

T SE 0T

T SE 1T

EB PE

NO

GX MU

0KC S	0OS	I0S	HCT A
			PX

3ED OC TES 2ED OC TES 1ED OC TES

0ED OC TES

WS ESO LC N

TED ICM X

TED KCA JX

TED TPO

0SS VIF

0DD VFI

CN

MW PD V

MW PC V

MW PL V

MW PC ERV

KLC BSS

ATA DB SS

EPO

SYSTEM CONTROLLER,

KRT FO

0DD VD

0SS VD

CN

CN

CN

CN

CN

CN

CN

CN

CN

CN

1SS VM

0SS VM

ARD

ARD

1DD	0DD	CN	CN	CN	CN	CN	CN
VMA RD	VMA RD

CN	CN	CN
		NC
		NC
		NC
		NC
		NC
		NC
		NC
		NC
	FLASHVSS
	FLASHVDD
		EVA
		TSTDR3
		XWE
		XOE
		A11
		XERQ
	DATAI/EDT
	XBCKI/ECK
	LRCKI/XELT
		RECP
		TX
		SENS
		MNT3
		MNT2
		MNT1
		MNT0
		EFMO
		IFVSS4
		IFVDD4
		SLCW
		SLCV
		SLCU

L802

10∝ H

SL802
R839	0
0	638 R
	0
	838 R

CM

R

EFM

SMW

SMV

SMU

F2

F3

F4

F5

37)

S805

1k

T MARK SW

DIGITAL SIGNAL PROCESSOR,

DVDD4

D8

D9

D10

CHGL

LCDR

MUTE

R806	R803		CHGM
220k	47k		VMON
	0.5%
			KEY1
			KEY2
	R804
	47k
	0.5%	R802	HMON
UVDD
		100k
	R859	0.5%	S806
		R805
	68k
	0.5%	470k	OPEN
		0.5%
			C803
	L801	C838	10	C805
10∝ H			6.3V	0.1
		1000p

T MARK

XRST

C804 0.01

WDET

RECK

HALF

HALF

CHG LED
NC
NC
XUDP UP ON
LCD RST
XMUTE
XRST
STAND DET
VB MON
CHG MON
VREF MON
SET KEY 1
SET KEY 2
VBUS DET
HIDC MON
WK DET
REC KEY
HALF LOCK SW
RMC KEY
AVDD
AVSS
TSMVDD
RMC DTCK
TSLVDD
NC
NC
TAT
TAN
NAR			DDV IFBS U
IDO		DNE PSU S
SAK	YIT M			MDU	PDU
ITO

NEU	DDV CSO B
PU	SU

I	O	SSV CS
CSO	CSO	OBS
U	U	U

1ED OM 2ED OM

M DO 3E

OC 1N

DH

P VB DD

OC 2N

DH

TSE T	CDA SC	CDA DP	CSIO D
X	X	X	V

ICS O OCS O CSIO SV

16M BIT D-RAM

∗

IC801

CXD2677-202GA

CSP(Chip Size Package)

DDV AD LFE RV LOT UA ROT UA RFE RV SSV AD OYS A IYS A 1DV A SIA B IFR 1SV A OCP IIL F

OIL F VTL C KAE P MTO B DCB A EF 1XU A CV OID A TRD A 2DV A 2SV A BRD A ES ET

GHC D CPA FRK C FRT D FRL X 2SS VD 2DD VD LST X

		DVSS4
		SLDW
		SLDV
		SFDR
		SRDR
		SPCW
		SPCV
		SPCU
		SPDW
		SPDV
		SPFD
		SPRD
		FS4
		FRDR
		FFDR
		TFDR
		TRDR
		APCREF
		IFVSS3
		IFVDD3
		NC
		ADFG
		DVDD3
		DVSS3
		NC
		FS256
		XBCK
		LRCK
		ADDT
		DADT
1		NC
IND	CN	CN

SCW	C830
SCV	0.1

SP

SCU

CMW

CMV

CMU

CCW

CCV

CP

CCU

FR1

FF1

TF1

TR1

C832

0.1

				ADIP
R837		R840	C835
2.2k		2.2k
			0.022	AREF
0.5%		0.5%
C846		C833		C847
0.01		0.022		0.01
FB801	0	R841	0	FS256
FB802	0	R842	0	XBCK
FB803	0	R843	0	LRCK
				ADDT

(Page 39)

F6

F7

F8

C848
4.7	10V
	L803
	0
-2
-1
Q804	R807	R809
	22	22
UMD12N
	M
B+ SWITCH		P
UVDD	DU	DU

20 58R k2. 2

p01 608 C

zHM 84 108 X

074 018 R p01 70

1

2

3

)TS E(T

p01 808 C

zHM 485 1.5 42 08X

074 518 R

53R8

8C

10S8L

R855

C809

R854

10p

0

EDOM

EDOM

EDOM

1CH

2CH

CDACSX

CDADPX

p00 0501C8

R808

0

0

4.7k

C849

1000p

FB805

FB804

0

1

1

118 C

318 C

R828

220k

k0

k1

02k0R18

k00R 1821

0

09p74

038 R

C822MOTB

0.1CDAB

NMOV

NOMS

21 28R

FIR

EF

TE

KAEP

C810

C814

1

0.01

8C

R832

220

10

C818

6.3V

01

0.47

C820

R833

47

6.3V

3

R831

R860

1k

2.2M

2B

1B

28R

C821

2.2k

R861

1

1M

R819

10

DIN1

F9

38 38