Ic Block Diagrams - Sony ICD-ST10 Service Manual

ICD-ST10/ST20

4-11. IC Block Diagrams

IC3001 LA7473V-TLM (MAIN BOARD)
30 29 28 27 26 25 24 23 22
MIC INT MIC
VCC AMP R
EXT MIC
AMP R
EXT MIC
DET
EXT MIC
AMP L
RIPPLE INT MIC
FILTER AMP L
1 2 3 4 5 6 7 8
IC3002 NJM2781RB1 (MAIN BOARD)
NOISE 1
2
REG
STBY 3
4
IN+
21 20 19 18 17 16
ON
INT
MIX OUTPUT
AMP R AMP R
OFF
EXT
BIAS
EXT
OFF
MIX OUTPUT
AMP L AMP L
INT
ON
9 10 11 12 13 14 15
8 GND
REG 7
V+
6 OUT
5
IN-
IC3004 AK4566VN-L (MAIN BOARD)
HPL 15
MUTET 16
MOUT 17
MIN 18
RIN 19
LIN 20
VREF
21
VREF
24 24
IC3003 LM4903MMX/NOPB (MAIN BOARD)
VDD/2
XSHUTDOWN 1 AV=-1 8 VO2
BIAS
2 7
BYPASS GND
+IN 3 6 VDD
4 5
-IN VO1
14 13 12 11 10 9 8
IPGA & ADC
AINL1
AINL2
IPGA
ADC HPF
AINR1
AINR2
AUDIO I/F
CONTROLLER
DAC
DAC BOOST DATT
HP AMP
CONTROL
REGISTER
MOUT
VCOM
22 23 24 25 26 27 28
7 BICK
6 MCLK
5 LRCK
4 CDTI
3 CCLK
2 CSN
1
PDN