Sony NHF800 User Manual
MZ-NH700/NHF800
22
22
MZ-NH700/NHF800
REFERENCE VOLTAGE
SWITCHING
Q351
211
212
199
314
318
315
3
2
DATA+
DATA–
1
VBUS
CN451
(USB)
X801
48MHz
239
X802
22.5792MHz
195
196
197
15
17 18
HEADPHONE
AMP
IC352
3
SDO0
SCK0
VBUS
XWK1, XWK2,
XWK4
XWK4
J352
i
EEPROM
IC892
• SIGNAL PATH
: PLAYBACK
: OPTICAL IN
: LINE IN
: USB input from PC
: MIC IN
: USB output to PC
RVDD
RMC KEY
RVDD
DTCK
KEY-R
RGND
VB
VB
F351
STAT
313
131
134
147
148
J301
REG1 B+
A/D CONVERTER, MIC AMP
IC301
B+ SWITCH
Q301
VC01 B+
LINE IN
(OPT)
J302
MIC
(PLUG IN POWER)
DDC3 B+
133
248
249
227
183
124
125
213
214
215
236
192
RESET
SWITCH
Q471
T_MARK
JOG_A
JOG_B
HOLD
PAUSE
SET_KEY_1
SET_KEY_2
SDI
SDO
SCK
CS
LCD
MODULE
RST
XWK
DVDD
XWK1
XWK4
DDC3 B+
REG VSTB B+
253
S894–2
Hi-MD
PROTECT
DETECT
188
S893
OPEN/CLOSE
DETECT
184
S894–1
PROTECT
DETECT
–1
–2
135
S892
HALF
HALF
LOCK
XWK2
VB B+
WAKE UP SWITCH
Q803
128
F1
6-2. BLOCK DIAGRAM – AUDIO Section –