Motorola SSETM 5000 - Manual (Page 110)

November 11, 2004 6881094C12-A
9-6 Troubleshooting Charts: DC Supply Failure
DC Supply Failure—Page 2
MAEPF-27392-C
Check R501,
D502, L501,
and C504
Check Voltage
at R560
Replace
Problem
Component
Voltage
= V2?*
Replace
U501
(GCAP II)
Check R502,
C506, L502,
and D503
Voltage
= 3.77V+/-5%?
Voltage
= 1.85V+/-5%?
Components
OK?
ReFLASH
HOST C
Code
Fixed? End
Components
OK?
Check Voltage
at R501
Replace
Problem
Component
Check Voltage
at B502
(VOCON)
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
1
2
3
2
No
* per Standard Bias Table