Codan 2110 series - Figure 35: Transmit Fault Diagnosis Flowchart 2

Repair procedures, tests, and adjustments
Manpack Transceiver 2110 series Repair Guide 107
Figure 35: Transmit fault diagnosis flowchart 2
Is
RF at OUTPUT
1.2 V p–p?
Transmit fault
diagnosis
flowchart 2
No
Yes
Check RF at TX_RX on
PA & Filter PCB
Check RF at OUTPUT on
PA & Filter PCB
Is
RF at TX_RX
160 mV p–p?
No
Check and/or
replace coaxial cable
between PA & Filter
PCB and RF/IF &
Synthesiser PCB
Yes
Check RF at centre pin of
J2 on Antenna Tuner PCB
Is
RF at J2
110 V p–p?
Yes
No
Replace PA & Filter PCB
Check RF at centre pin of
J1 on Antenna Tuner PCB
Check and/or
replace coaxial cable
between Antenna
Tuner PCB and
PA & Filter PCB
Yes
Check and/or
replace 50 ohm
connector and associated
coaxial cable on
front panel
Is
RF at J1
60 V p–p?
Replace Antenna Tuner
PCB
No