Block Diagram - Audio Section - Sony MZ-RH910 Service Manual

MZ-RH910
6-2. BLOCK DIAGRAM – AUDIO Section –
J301
LINE IN
(OPT)
B+ SWITCH
VC01 B+
Q301
A/D CONVERTER, MIC AMP
28 LIN
1 RIN
18 PREL PREOL 16 15 MICL
19 PRER PREOR 21 22 MICR
J302
MIC
(PLUG IN POWER)
3
REGULATOR
XRST
B
(Page 23)
XRST2
C
(Page 23)
XWK1, XWK2,
XWK4
D
(Page 23)
MZ-RH910
DCLSOUTL
151
FROM IC801 (1/3)
(MD SERVO SECTION)
DCLSOUTR
150
FS512 312
D_VCONT_PWM 243
173 DIN
IC301
XMUTE 212
SDT0 7 307 ADDT
MCLK 9
306 FS256
BCLK
8 309 XBCK
LRCK
10 308 LRCK
DTCK 313
PDN 14 190 XPD_ADC
RMC_KEY 131
CDTI 11
CCLK 12
CSN
13 189 XCS_ADC
UDP 314
UPUEN 318
UDM 315
+2.1V
REG1 B+
IC302
200 XOPT_CTL
185 OPT_DET
186 XJACK_DET
187 XMIC_DET
WAKE UP SWITCH
193 USB_WAKE
Q803
128 133 213 214 215 236 124 125
+2.4V
DDC3 B+ REGULATOR
IC471
SWITCH UNIT
(INCLUDING LCD101)
SWITCHING DRIVER,
HEADPHONE AMP
IC351
8 IN2 OUT2 14
MUTING
Q351
9 IN1 OUT1 11
6 MCK
MUTING
4 VREF
MUTING
CONTROL
Q151, 251
Q353
MUTING VCO1 VG
B+ B+
CONTROL
Q352
3
DATA+
CN451 (1/2)
2
DATA– (USB)
1
VBUS
SYSTEM CONTROLLER, DSP
IC801 (2/3)
248 249 183 192 135
RESET DDC3 B+
SWITCH
VB B+
Q471
S892
HALF OPEN/CLOSE
LOCK
22 22
MUTEON
J351
i
F351
RVDD
RVDD
DTCK
KEY_R
RGND
RMC KEY
VBUS
G
(Page 23)
X801 X802
48MHz 22.5792MHz
319 320 310 311
SI0 195
SO0 196
SCK0 197
XCS_NV 239
XNV_WP_CTL 208
188 184 253 227
S891 S895
S893 S890
Hi-MD
PROTECT
HOLD
PROTECT
DETECT DETECT
OFF
DETECT
HOLD
E (Page 23)
• SIGNAL PATH
: PLAYBACK
: OPTICAL IN
: LINE IN
: USB input from PC
: USB output to PC
: MIC IN
F (Page 23)
EEPROM
IC891
2 SO
5 SI
6 SCK
1 XCS
3 XWP
SDO0, SCK0
H (Page 23)