Motorola SSETM 5000 - Manual (Page 107)

6881094C12-A November 11, 2004
Troubleshooting Charts: Power-Up Failure 9-3
9.3 Power-Up Failure—Page 1
MAEPF-27389-D
Radio
Power-Up
Failure
Probe
32.768 kHz
Clock at R316
Signal
Present?
Signal may appear
for a very short period
of time (50 ms). Use
an oscilloscope with
trigger to capture signal.
Verify integrity
of C308 and
C309
Verify Standard
Bias in
Table 5-1
Standard
Bias OK?
Isolate and
Repair Problem
See DC Supply
Failure flowchart
No
No
Yes
Yes
1
2