Sony MZ-NH1 User Manual download pdf (Page 22)

MZ-NH1

2222

MZ-NH1

+2.1V

REGULATOR

IC302

MUTING

CONTROL

Q352

+3.9V

REGULATOR

IC872

SYSTEM CONTROLLER,

DIGITAL SIGNAL PROCESSOR

IC801 (2/3)

XMUTE

212

BEEP

199

314UDP

318UPUEN

315UDM

6

5

DATA+

DATA–

CN451 (1/2)

(USB)

320

UOSCO

319

UOSCI

X801

48MHz

311

OSCO

4

VSB

239XCS_NV

310

OSCI

X802

22.5792MHz

195SI0

196SO0

197SCK0

1SIO

2SCLK

17

15

5

7

3

4

SWITCHING DRIVER,

HEADPHONE AMP

IC351

OUT_

BEEP2

OUT_BEEP1

OUT2

OUT1

7

SDT0

DIN2

DIN1

2

BEEP_IN

D_EN2

296

26

EN2

D_EN1

295

25

EN1

D_ENREG

211

27

ENREG

FS512

312

23

MCK

D_VCONT_PWM

243

11

VCONT

28

LIN

1

RIN

3

AVDD

19

PRER

18

PREL

22

MICR

15

MICL

21

PREOR

16

PREOL

SDO0

SCK0

E

SDO0, SCK0

C

B

XWK1, XWK2,

XWK4

J351

i

1

12

11

2

XCS

SCK

SI

SO

EEPROM

IC891

REAL TIME

CLOCK

IC871

• SIGNAL PATH

: PLAYBACK

: OPTICAL IN

: LINE IN

: USB input from PC

: MIC IN

: USB output to PC

RVDD

MUTEON

D

RMC KEY

RVDD

DTCK

KEY-R

RGND

F351

313DTCK

131RMC_KEY

151

DCLSOUTL

150

DCLSOUTR

173 D IN

200 XOPT_CTL

185 OPT_DET

J301

186XJACK_DET

307 ADDT

306 F S256

309 XBCK

308 L RCK

190 XPD_ADC

189 XCS_ADC

REG1 B+

A/D CONVERTER, MIC AMP

IC301

FROM IC801 (1/3)

(MD SERVO SECTION)

187 XMIC_DET

B+ SWITCH

Q302

9

MCLK

8

BCLK

10

LRCK

14

PDN

11

CDTI

12

CCLK

13

CSN

MUTING

Q351

VC01 B+

LINE IN

(OPT)

J302

MIC

(PLUG IN POWER)

133

REC/DOWNLOAD

227

XHOLD_SW

124

SET_KEY_1

125

SET_KEY_2

203

REC_LED/ACCESS_LED

DOWNLOAD

SET_KEY_1

SET_KEY_1

REC KEY

SET_KEY_2

SWITCH MODULE

REC LED

WK_DET

XWK1

XWK4

REG VSTB B+

253

S891–2

Hi-MD

PROTECT

DETECT

HIMD_PROTECT

188

S893

OPEN/CLOSE

DETECT

OPEN_CLOSE_SW

184

S891–1

PROTECT

DETECT

OFF

ON

PROTECT

12

CE

–1 –2

135

S892

HALF

LOCK

XWK2

HALF_LOCK_SW/

OPEN_SW

193

USB_WAKE

WAKE UP SWITCH

Q803

LED DRIVE

Q491

128

WK_DET

REC LED

244

CHG_OPR_LED

CHG_LED

LED DRIVE

Q405

MUTING

Q151, 251

LEVEL SHIFT

IC873

7

8

X872

32.768kHz

OSCIN

OSCOUT

VB B+

D871

247

CS_RTC

S895

HOLD

213

SI1

214

SO1

215

SCK1

236

XCS_LCD

SDI1

SDO1

SCK1

XCS_LCD

LCD MODULE

183

PAUSE_KEY

PAUSE

192

XRST_LCD

LCD_RST

6-2. BLOCK DIAGRAM – AUDIO Section –

(Page 23)

(Page 23)

(Page 23)

(Page 23)

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