Sony MZ-NH1 SCHEMATIC DIAGRAM – MAIN Section (8/9) –

MZ-NH1

6-11. SCHEMATIC DIAGRAM – MAIN Section (8/9) – • See page 36 for IC Block Diagrams. • See page 24 for Waveform.

(Page 26)

J3 J2 J1

(8/9)

	C873	C877	C878
X872	2p	0.1	0.1

32.768KHz

REAL TIME

CLOCK

REC_KEY

SET_KEY_1

PAUSE

REC_LED

CN471

11P

REC_KEY

SET_KEY_1

PAUSE

C871	/INTR	OSCOUT	OSCIN
0.1

XCS_LED

REC_LED

XCS_LED

CIN VDD

SDI1	R473	100
SDO1	R474	100

SDI1

LCD

MODULE

SWITCH

MODULE

CS_RTC

LEVEL SHIFT

IC873

TC7SZ126AFE

SDI0

GND

R872

0

VCC

C881

0.1

CN491

8P

SET_KEY_2

SET_KEY_1

SGND

CHG_LED

WK_DET

REC_LED

DOWNLOAD

DGND

VSS	IC871	VCC
R2061K01-E2
CE		VSB
SIO	SCLK	/VDCC

C874

47

6.3V

SDO0 SCK0

R493 0

D871

MA2SD32008S0

+3.3V REGULATOR

IC872

R1180Q331C-TR-F

	CE	VDD
R871	GND	VOUT
220k
		C879	C880
		1	1

7k.	VSTBREG5
4		IC882
R491
		R1180Q221B-TR-F
	R492
	4.7k	CE	VDD
	SET_KEY_2	GND	VOUT
	SET_KEY_1				MA2Z748001S0
		+2.2V REGULATOR		D881
	WK_DET		R882
	REC_LED		100k
	REC_KEY				MA2Z748001S0
				D882

D883

MA2Z748001S0

R885	R894
47k	10k

R887

220k

	LCD_RST	R475 0
R471	SCK1
0

DRAM_HOLD_DET

FFCLR

S	MA22D2800LS0
D884
R888

SDO1

LCD_RST

SCK1

DVDD

DGND

T1

T2

T3

T4

CHG_LED

T5

T6

(Page 33)

Q884

0

(Page 31)

(Page 26)

FFCLR

FFCLR

WK_DET

WK_DET

REC_KEY

REC_KEY

RMC_KEY

RMC_KEY

HALF_LOCK

HALF_LOCK

XCS_PWR_IC

XCS_PWR_IC

XRST2

XRST2

RST_CONT

RST_CONT

SDO0

SDO0

SCK0

SCK0

4FS

4FS

SLEEP

SLEEP

RMC_DTCK

RMC_DTCK

XRST

XRST

3.3V

3.3V

REG5_VSTB

REG5_VSTB

REG5_TSBV

REG5_TSBV

REG5_REG

REG5_REG

REG5_OSC

REG5_OSC

REG4_DVDD

REG4_DVDD

REG_F

REG_F

REG_DACVREFH

REG_DACVREFH

P1

	D491 MAZS068008SO	SDI0
		R891
		100k
		XCS_NV
		R895
1000p		0
	JE)E18,
C894
	(US,

VINNC

VOUTVSS

VOLTAGE

Q881

UN9214J-(TX).SO

100k

DETECT

10k

REGULATOR

1

IC881

CONTROL

XC61CN3102NR

R890

C885

R883

C883

R881

C884

C890

1

1M

0.01

0.1

BL891

S891

S891-1

PROTECT

-1

DETECT

NC

NC

NC

NC

NC

R892

100k

-2

S891-2

XCS

VCC

SO

XHOLD

Hi-MD PROTECT

BL892

DETECT

R893

NC

NC

0

SCK0

XWP

IC891

SCK

S892

AK5614CN

SDO0

GND

SI

(HALF LOCK)

NC

NC

NC

NC

NC

S893

(OPEN/CLOSE DETECT)

BL894

EEPROM

100p

C892

S895

HOLD

C891

ON

OFF

0.1

-1		-1
-2		-2
Q882	Q883
XP4314-TX
	XP4314-TX
LEVEL
SHIFT
R884	C888	R886
220k	0.1	2.2M

PROTECT

UMD_PROTECT

HALF_LOCK

O/C_SW

XHOLD_SW

SI1410EDH-T1

Q883,884

B+ SWITCH

DRAM_ALONE

DRAM_VDD_CLR

REG5_REG

T7

(Page 31)

CHG_LED

S1

S2

(Page 28)

MZ-NH1

BP471

32 32