Sony Walkman NW-S202 Service Manual page 13

TOUT 1
AGND 2
AOZ 3
AOY 4
5 6 7 8 9 10
VIN
GND
VOUT
VCC 1
ANT 2
GND 3
RSSO 4
NW-S202/S202F/S203F/S205F
IC801 3 AXIS ACCELEROMETER
20 19 18 17 16 15
X SENSOR
Y SENSOR AMP
Z SENSOR
T SENSOR
14 DVCC
VREF 13 VREF
CONTROL
12 AVCC
/EEPROM
ZEROG 11 RESERVED
IC2701 TK63727HCL-G
ON/OFF
6 VCONT
CONTROL
1
VOLTAGE
–
REFERENCE
+
2
THERMAL
3
&
OVERCURRENT
PROTECTION
5 GND
4 NC
IC2702 SDFMM1N23GB2T
14 13 12
11 X2
10 X1
9 CL
8 LA
IF
BUFFER
LOGIC
MPX DECODER
LAG-LEAD
FILTER
TUNING
VCO
SYSTEM
DEMODULATOR
ANTENNA IF
LIMITER
BALUN FILTER
RSSI
5 6 7
N.C. 1
N.C. 2
/TIRQ 3
/AIRQ 4
FCON 5
FOUT 6
– HEADPHONE Board –
20 19 18
HE2P 1
–
HE4P 2
HE4N 3
T_AIO_DI 4
SO 5
13 13
NW-S202/S202F/S203F/S205F
X801 RX-4574LC
32.768KHz
CONTROL LINE
OSC DIVIDER
CLOCK AND
CALENDAR
TIMER
OUTPUT
REGISTER
CONTROLLER
ALARM
REGISTER
INTERRUPTS
CONTROLLER
CONTROL
REGISTER
BUS
INTERFACE
SHIFT
CIRCUIT
REGISTER
12 VDD
11 CE1
10 CLK
9 DATA
8 CE0
7 GND
IC901 AK8981
17 16
HALL ELEMENT TIMING
DRIVE LOGIC
15 HE1P
– 14 HE3P
13 HE3N
12 RSTN
11 MCLK
S/H SEL A/D
INTERFACE
LOGIC
6 7 8 9 10