1-6 Troubleshooting Flow Chart for RFIC
3.1 Troubleshooting Flow Chart for RFIC (Sheet 2 of 5)
Yes
Is 19.2MHz at R0045?
No
Is 19.2MHz at R0031?
No
Yes
Check for any short or open under
SH0000 and SH0001 and Replace
U0000 if needed
Is components between R0031
and R0045 okay?
No
Yes
Check for any short or open under
replace parts if needed
9.3V at E0009?
Yes
1.8V at Pin1 of Q0001?
Radio did not boot up properly or
check 9V3 regulator
No
Check for any short or open under
SH0000 and SH0001 and Replace
U0000 if needed
No
Yes
9.3V at C0136?
Check components R0044,
Q0001,Q0002 open and shorts and
& replace replace Q0001 & Q0002 if
needed
No
Yes
Is Radio in Receive or Transmit?
Receive
Transmit
Yes
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