4-2
BKM-FW50
4-2. Block Diagram
CN2102
OP I/F
(40Pin)
CN2103
OP I/F
(60Pin)
9V
A5V
IC1107
CORE
1.2V
L/R
IC1106
A3.3V
Q2102-Q2104
H/V
R/G/B
L/R
AUDIO DAC
IC1105
1.235V REG.
1.8V REG.
IC1201
IC1205
3.3V
IC1202
DAC RESET
BROADBAND
SIGNAL
PROCESSOR
64Bit
IC1503
IC1501
IC1502
IC1504
SDRAM
128MBit
x
4
I2S
PCI_RST#
PCI_CLK
ADDR/DA
T
A
EXT
CN1301
IC1301
10Bit F/F
PCI_RST
AMP (LPF)
DC/DC
CONVERTER
DC/DC
CONVERTER
1.5V REG.
A5V
32V
2A
D3.3V
D5V
STBY5V
1A
32V
BUFFER
IC2205
IC2206
1.8V
3.3V
1.5V
IC2104
IC2203
D3.3V Det
AND GATE
SRST(JTAG)
US2_RST
ETHERNET
CONTROLLER
IC2201
UART_B
NETWORK
MPU
SEL
OUT PORT
/RESET
/SCANEN
MII I/F
IN PORT
UART_A
NET_RST
COBRA UART1
SEL: TRANSPORT SWITCHING OF NS7520
Low: NS7520 - OP_TX/RX
Hi:
NS7520 - COBRA
SW
OP_TX/RX
OP CONTROL
18.432MHz
X2201
IC2101
IC2102
IC2202
SDRAM
64MBit
EEPROM
64kBit
SRST
DEBUG_COM
JTAG/DEBUG_COM
CN2105
CN2106
IC2103
NOR
FLASH
32MBit
IC2502
EEPROM
4kBit
IC2501
IC2503
BUFFER
Summary of Contents for BKM-FW50
Page 1: ...NETWORK RECEIVER ADAPTOR BKM FW50 SERVICE MANUAL 1st Edition Revised 2 ...
Page 4: ...2 BKM FW50 8 Schematic Diagrams US1 8 2 US2 8 7 9 Board Layouts US1 9 2 US2 9 3 ...
Page 6: ......
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Page 73: ...8 1 BKM FW50 8 1 Section 8 Schematic Diagrams Index Board name Page US1 8 2 US2 8 7 ...
Page 85: ...9 1 BKM FW50 9 1 Section 9 Board Layouts Index Board name Page US1 9 2 US2 9 3 ...
Page 87: ...9 3 BKM FW50 9 3 US2 A SIDE SUFFIX 12 US2 B SIDE SUFFIX 12 US2 US2 ...
Page 88: ......
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Page 90: ...Printed in Japan Sony Corporation 2007 10 22 2005 BKM FW50 SY E 9 878 385 03 ...