Motorola SSETM 5000 DC Supply FailurePage 2

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