Sony NW-A1000 Service Manual page 34

NW-A1000
• IC Block Diagrams
IC3001 XC6219B302DR
VCC
VIN 1
ON/OFF
NC 2
CONTROL
VOUT 3
+ CURRENT
LIMIT
–
VOLTAGE
REFERENCE
IC3002 PCM1772RGAR
20 19 18 17 16
DATA 1
BCK 2
AUDIO
INTERFACE
DIGITAL DIGITAL
ATTENUATOR ATTENUATOR
×8 ×8
CLOCK
DIGITAL DIGITAL
MANAGER
FILTER FILTER
∆Σ ∆Σ 15 MS
SPI
D/A D/A 14 MC
PORT
CONVERTER CONVERTER
13 MD
PD 3
AGND1 4 12 VCC1
POWER
SUPPLY
AGND2 5 11 VCC2
+ +
LINEOUT LINEOUT
AMPLIFIER AMPLIFIER
VCOM
6 7 8 9 10
NW-A1000
VCC
6 CE
5 VSS
4 NC
IC3003 AN17020A-VB
16 15 14 13
BEEP
MUTING
HEADPHONE AMP
−
LINE AMP
+
CH1 IN 1
HP/LINE
GND 2
SWITCH
HEADPHONE AMP
+
CH2 IN 3
− LINE AMP
VREF
VCC 1HV 4 REF1 REF2
5 6 7 8
IC4101 R2061K01-E2
12 11
LEVEL
SIO 1
SHIFTER
SCLK 2
REAL
TIME
CLOCK
/VDCC 3
DELAY
VOLTAGE
DETECTOR
4
IC4202 HAAM-313B
GND 1
Z SENSOR
AMPLIFIER
NC 2 MULTI-
Y SENSOR
PLEXER
STANDBY 3
X SENSOR
EEPROM
NC 4
NC 5
12 CH1 OUT
11 PGND
IC6003 TS5A3357DCUR
10 CH2 OUT
NO0 1 8 V+
NO1 2 7 COM
NO2 3
9 CH2 SENS
6 IN1
LOGIC
GND 4
CONTROL
5 IN2
34 34
10
9 /INTR
8 OSCOUT
VOLTAGE
REFERENCE
7 OSCIN
BATTERY
VOLTAGE
MONITOR
5 6
S/H
10 ZOUT (A)
S/H
DEMULTI-
9 YOUT (A)
PLEXER
S/H
8 XOUT (A)
7 CSET
6 VCC