236 Frequency Synthesizer Fault Finding TM8100/TM8200 Service Manual
© Tait Electronics Limited June 2006
6. Resolder R527 in its original position as shown in Figure 9.17.
7. Replace all cans.
8. Use the oscilloscope probe to check the difference frequency at the
TP502 test point (see Figure 9.17). The signal is SYN CDC FCL and
should be:
9. If the signal is correct, the fault has been removed; go to “Final
Tasks” on page 157. If the signal is not correct, the repair failed;
replace the board and go to “Final Tasks” on page 157.
TP502 test point: sine wave of 1.1 ± 0.2 V
pp
on 1.5 ± 0.1 V DC
To Next Page
Loading...
Need help?
General
