MZ-RH910
22
22
MZ-RH910
3
2
DATA+
DATA–
1
VBUS
CN451 (1/2)
(USB)
X801
48MHz
239
X802
22.5792MHz
195
196
197
SDO0
SCK0
SDO0, SCK0
VBUS
XRST2
XWK1, XWK2,
XWK4
208
EEPROM
IC891
•
SIGNAL PATH
: PLAYBACK
: OPTICAL IN
: LINE IN
: USB input from PC
: MIC IN
: USB output to PC
J301
REG1 B+
A/D CONVERTER, MIC AMP
IC301
B+ SWITCH
Q301
VC01 B+
LINE IN
(OPT)
J302
MIC
(PLUG IN POWER)
DDC3 B+
RESET
SWITCH
Q471
REC
JOG_A
JOG_B
PAUSE
SET_KEY_1
SET_KEY_2
SDI
SDO
SCK
CS
SWITCH UNIT
(INCLUDING LCD101)
RST
XWK
OLED-LCD_VDD
XWK1
XWK4
DDC3 B+
S891
Hi-MD
PROTECT
DETECT
S893
OPEN/CLOSE
DETECT
S890
PROTECT
DETECT
S892
HALF
LOCK
XWK2
VB B+
WAKE UP SWITCH
Q803
XRST
MUTING
CONTROL
Q352
SWITCHING DRIVER,
HEADPHONE AMP
IC351
J351
i
RVDD
MUTEON
RMC KEY
RVDD
DTCK
KEY_R
RGND
F351
151
150
MUTING
Q351
MUTING
Q151, 251
MUTING
CONTROL
Q353
VCO1
B+
VG
B+
OFF
HOLD
S895
HOLD
6-2. BLOCK DIAGRAM – AUDIO Section –