Read Sony ICD-BM1 / ICD-BM1A / ICD-BM1B / ICD-BM1DR9 Service Manual online
20
ICD-BM1/BM1A/BM1AVTP/BM1B/BM1DR9
IC704 BU2090FS-E2 (MAIN Board (1/3))
1 2
3
5 6 7 8
10
16 15 14 13 12 11
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
VDD
HPMUTE
XLIGHT2
MONOMIC
XBATTEN
XDSPRST
XFLMPWR
9
XADAPDN
SPAMP
XSTMIC
XREDLED
XGRLED
4
XLIGHT1
CLK
DATA
VSS
OUTPUT
BUFFER
(OPEN DRAIN)
IC705 AK6417CH-E2 (MAIN Board (1/3))
EEPROM
R/W AMPS
AND
AUTO ERASE
INSTRUCTION
DECODE
CONTROL
AND
CLOCK
GENERATION
INSTRUCTION
REGISTER
VCC
RDY/BUSY
RESET
GND
CS
SK
DI
DO
ADD
BUFFERS
DATA
REGISTER
VPP
GENERATOR
DECODER
VPP SW
VREF
16
16
16384bit
1024 16
1
2
3
4
8
7
6
5
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