1-14 Troubleshooting Flow Chart for Tx VCO
5.1 Troubleshooting Flow Chart for Tx VCO (Sheet 2 of 2)
Yes
Vbe ~ 0.73 VDC for Q0200?
Check biasing components
R0207,R0209,L0204,L0206,L0208,
R0215,R0213 & Q0200 for short or
open; then replace Q0200 if needed
No
Yes
Check components from R0200 to
C0233 for shorts and open
Transmit VCO Not locked at correct frequency
DC voltage at R0200 between 1.5-10.5V?
No
Check RFIC troubleshooting flow
chart
No
Yes
Check components from R0200 to C0233 for
shorts and open
END
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