Motorola GTX/LCS 2000 Service Manual page 60

>-18DBM
Check RF level
Check RF &
IF circuit.
-3dBm 2dB
DIFFERENCE
BETWEEN
IN & OUT
-13dBm 2dB
DIFFERENCE
BETWEEN
IN & OUT
-3dBm 2dB
DIFFERENCE
BETWEEN
IN & OUT
B
Start
>-18DBM
at C5208.
Check DC at
TP14.
Check DC at
C5251.
Check ADAPT
at TP13.
Is RF level
on Y5211 at
44.645MHz?
Is RF level
on FL5201 IN & OUT
at 455KHz?
Is RF level
on FL5202 IN & OUT
at 455KHz?
Check
U5201.
<9V
9.3V
<4.7V
5V
>1V
OV
No
Yes
No
Yes
No
Yes
Check DC
circuit.
Check
DC circuit.
Check
control circuit.
Check
Y5211
circuit.
Check FL5201
circuit.
Check FL5202
circuit.
Troubleshooting Flow Chart
for Receiver (cont.)
Troubleshooting 8-3