Block Diagram - Audio Section - Sony Walkman MZ-RH1 Service Manual

MZ-RH1
6-2. BLOCK DIAGRAM – AUDIO Section –
J351
LINE IN
(OPT)
B+ SWITCH
VCO1
Q351
18 PREL PREOL 16
19 PRER PREOR
21
J352
MIC
(PLUG IN POWER)
DISPLAY DRIVER
IC1
D0 - 7 D0 - 7
D0 - 7
A0
EL1
A0 SOUT
/RD
73 A0
EL DISPLAY
SIN
/WR
MODULE /RD
92 /RD
SCLK
/CE3
/WR
93 /WR
XCS
/CE3
100 /CE3
D0 - 7 /CE2
99 /CE2 /RESET
A0
EL2
/RD
EL DISPLAY 37 OEC3
/WR
MODULE X1
/CE2 4MHz
38 OSC4
DC/DC
OLED_VCC CONVERTER
IC472, Q472
VDD (DISPLAY)
MZ-RH1
BEEP 182
DCLSOUTL
FROM IC801 (1/3)
(MD SERVO SECTION)
DCLSOUTR
FS512 278
D_VCONT_PWM 214
D_EN1 192
275 DIN
D_EN2 193
D_ENVREG 240
A/D CONVERTER, MIC AMP
IC351
XMUTE 213
SDT0
28 LIN 7 272 ADDT
1 RIN MCLK 9 271 FS256
BCLK 8 274 XBCK
LRCK 10
273 LRCK
RMC_DTCK
15 MICL
RMC_KEY
22 MICR CDTI
11 248 SO3
CCLK
12 249 SCK3
CSN 13 259 XCS_ADC
PDN 14
260 XPD_ADC
UDP
DTL
UDM
262 XOPT_CTL
255 OPT_DET
256 XJACK_DET
257 XMIC_DET
63 250 SI4
64 251 SO4
62 252 SCK4
55 254 XCS_DISPLAY
45 268 XRST_DISPLAY
RESET
VC1
SWITCH
Q471
B+ SWITCH
VB
Q473, 474
305 EL_PWR_CTL
+2.5V
REGULATOR
IC471
253 EL_VDD_CTL
WAKE UP DETECT
Q901
WAKE UP SWITCH
Q612, 613
REG5_OSC
XWK1, REC_KEY,
HALF_LOCK
D
(Page 23)
SWITCHING DRIVER,
HEADPHONE AMP
IC301
OUT_BEEP2
17
2 BEEP_IN
OUT_BEEP1
5
OUT2
280 3 DIN2 15
MUTING
OUT1
279 4 DIN1 7
23 MCK
11 VCONT
MUTING
25 EN1
Q101, 201
26 EN2
27 ENREG
MUTING
CONTROL
Q301
281
126
CN441 (1/2)
(USB)
3
282 DATA+
287
2
283 DATA–
SYSTEM CONTROLLER, DSP
IC801 (2/3)
123 208 132 119 120 261 202 134
LED DRIVE
Q475
S462
HALF OPEN/CLOSE
LOCK
D2
S1 - 8
(REC)
(PANEL KEYS)
22 22
+
J301
i /LINEOUT
Q302
+
F301
VC1 RVDD
DTCK
KEY_R
X802 X801
TH801
48MHz 22.5792MHz
115 290 291 276 277
CS_RTC 189
SI0 178
SO0 179
SCK0 180
XCS_NV 220
FS4 145
XCS_PWR_IC 183
131 171 172 127
OFF
HOLD
S465 S464
S463 S461
Hi-MD
PROTECT
HOLD
PROTECT
DETECT DETECT
DETECT
MUTEON
(Page 23)
A
• SIGNAL PATH
: PLAYBACK
: OPTICAL IN
: LINE IN
: USB input from PC
: USB output to PC
: MIC IN
RMC_KEY
B (Page 23)
BUFFER REAL TIME CLOCK
IC452 IC451
OSCIN 7
1 SIO
X451
2 SCLK
32.768kHz
12 CE OSCOUT 8
EEPROM
IC891
2 SO
5 SI
6 SCK
1 XCS
SDO0
SCK0
FS4
SO0, SCK0,
XCS_PWR_IC FS4, XCS_PWR_IC
C
(Page 23)