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Motorola APX 2000 - Page 118

Motorola APX 2000
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5-20 Troubleshooting Charts: DC Supply Failure
DC Supply 1.5 Volt Failure
Yes
Verify DC_LIN_1_5V at C212
Voltage
= 1.5V?
Yes
No
Check voltage at C210
Voltage
1.8V?
Refer troubleshooting
guide 5.4.5
No
Check for open in branch
to troubleshooting
section
Check voltage at C209
Yes
Replace U203
Voltage
2.775V?
No
Refer troubleshooting
guide 5.4.5
DC_LIN_1_5V

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