Sony ICD-SX25 Service Manual page 23

• IC Block Diagrams
– AUDIO Board –
IC1001, 2001, 3002 NJM2781RB1
1
NOISE
2
REG
3
STBY
4
IN+
IC3004 AK4566VN-L
HPL 15
MUTET 16
MOUT
17
MIN
18
RIN
19
LIN
20
VREF
21
8
GND
REG 7
V+
6
OUT
5
IN-
14 13
AINL1
AINL2
AINR1
AINR2
HP AMP
MOUT
VREF
VCOM
22 23
IC6003 NJU6366AF1 (TE1)
3
RF
CG CD
4
IC3003 MM3111AWLE
1
XSHUTDOWN
2
BYPASS
3
+IN
4
-IN
12 11 10 9
IPGA & ADC
IPGA
ADC
HPF
DAC
BOOST DATT
24 25 26 27
2 1
1/2 1/2 1/2
3-STATE
BUFFER
A B C D
5 6
ICD-SX25/SX25VTP
VDD/2
AV=-1 8
VO2
BIAS
7
GND
6
VDD
5
VO1
8
7
6
5
AUDIO I/F
CONTROLLER
DAC
4
3
CONTROL
2
REGISTER
1
28
BICK
MCLK
LRCK
CDTI
CCLK
CSN
PDN
23