5-20
DC Supply 1.5 Volt Failure
DC_LIN_1_5V
Verify DC_LIN_1_5V at C212
Voltage
= 1.5V?
Check for open in branch
to troubleshooting
section
No
Yes
Check voltage at C210
Voltage
1.8V?
Yes
Check voltage at C209
Voltage
2.775V?
Yes
Replace U203
Troubleshooting Charts: DC Supply Failure
No
Refer troubleshooting
guide 5.4.5
No
Refer troubleshooting
guide 5.4.5