Sony BKM-FW50 Service Manual page 22

4-2. Block Diagram
CN2102
OP I/F
(40Pin)
9V
2A
32V
A5V
L/R
A3.3V
Q2102-Q2104
BUFFER
CN2103
OP I/F
(60Pin)
D3.3V
D5V
STBY5V
32V
1A
SEL: TRANSPORT SWITCHING OF NS7520
Low: NS7520 - OP_TX/RX
Hi:
OP_TX/RX
IC2201
OP CONTROL
X2201
18.432MHz
IC2101
SDRAM
64MBit
4-2
IC1107
DC/DC
CORE
1.2V
CONVERTER
A5V
IC1106
IC1105
L/R
AMP (LPF) AUDIO DAC
IC1201
3.3V
1.235V REG.
IC1205
H/V
R/G/B
IC2205
3.3V
DC/DC
CONVERTER 1.8V
IC2206
1.5V
1.5V REG.
NS7520 - COBRA
SW
IC2103
UART_B SEL OUT PORT
/SCANEN
NETWORK
MPU
IC2102 IC2202
NOR
EEPROM
FLASH
64kBit
32MBit
DAC RESET
IC1501
IC1502
IC1503
IC1504
IC1202
1.8V REG.
US2_RST
IC2104
D3.3V Det
IC2203
AND GATE
SRST(JTAG)
COBRA UART1
NET_RST
/RESET
MII I/F
IN PORT
UART_A
SRST
CN2105
JTAG/DEBUG_COM DEBUG_COM
CN1301
SDRAM
128MBit x 4
64Bit
I2S
BROADBAND
SIGNAL
PROCESSOR
PCI_RST#
PCI_CLK
IC2501
IC2502
ETHERNET
EEPROM
CONTROLLER
4kBit
CN2106
EXT
IC1301
10Bit F/F
IC2503
BUFFER
BKM-FW50