Troubleshooting Flow Tx Rf (No Output Power/No Current) - Motorola CM200 Service Manual

Troubleshooting Flow TX RF (No Output Power)

Troubleshooting Flow TX RF (No Output Power/No Current)

2.1
Tune the
PA_BIAS
START
Key the radio using
Radster (type k)
Put 80 Hex in byte #06
and measure the
Output Power
Replace
Yes
the
POUT >
PA
10 Watts
(Q100)
Yes
Replace 20kOhms
R122 < R <40KOhms
Is
Measure the
No
resistance from
R131 to ground
?
Is
Replace the
No
PA (Q100)
3-5
Tune the
PA_BIAS