Tait TB9100 - Page 36

36 Network Circuitry TB9100 Reciter Service Manual
© Tait Electronics Limited January 2006
Figure 5.1 Identifying the Circuitry on the Digital and ASIF PCBs
b
ASIF PCB
c
MPC859T JTAG connector (Power PC)
d
Ethernet transformer
e
Ethernet PHI
f
MPC859T (Power PC)
g
TMS320VC5510 DSP
h
flash memory
i
RAM x 2
j
CODECs
1)
SRAM
1!
RISC JTAG connector (factory use only)
1@
flash memory
1#
RISC
1$
DSP
1%
DSP JTAG connector (factory use only)
1^
main digital system
1&
power supply
1*
digital IF and clock
1(
DDC
2)
ADC
2!
40MHz digital clock
2@
70.1MHz IF and/or 16.9 MHz VHF
2#
12.8MHz reference
2$
audio
2%
high speed data connector
2^
switching regulator
2&
analog line audio CODEC
2*
analog line isolating transformers
2(
1 PPS sync
3)
analog line RJ45 connector
3!
Ethernet RJ45 connector
3@
serial & digital I/O (DB9) connector