Sony ICD-BM1 Service Manual page 19

• IC Block Diagrams
IC301 AK4569VN-L (MAIN Board (1/3))
HPL 15
MUTET 16
MOUT 17
MIN 18
RIN
19
LIN
20
VREF
21
VREF
IC703 RX-4591CF (MAIN Board (1/3))
1
VDD
2
FOE
3
XIRQ
4
T1
5
FOUT
14 13 12
AINL1
AINL2
AINR1
AINR2
HP AMP
MOUT
VCOM
22 23 24
32.768kHz
OSC DIVIDER
FOUT
CONTROLLER
INTERRUPTS
CONTROLLER
DI
DO
BUS
INTERFACE
CLK
CIRCUIT
CE
ICD-BM1/BM1A/BM1AVTP/BM1B/BM1DR9
11 10 9 8
IPGA & ADC
IPGA
ADC
HPF
DAC
DAC
BOOST DATT
25 26 27 28
CLOCK
AND
CALENDAR
TIMER
REGISTER
ARARM
REGISTER
CONTROL
REGISTER
AND
SYSTEM
CONTROLLER
7 BICK
6
MCLK
5
AUDIO I/F LRCK
CONTROLLER
4
CDTI
3
CCLK
CONTROL
2
CSN
REGISTER
1
PDN
CE
10
CE
CLK
9
CLK
DO
8
DO
DI
7
DI
6
GND
19