Motorola MTP700 - Page 106

4.1 - 72 MTP700 Portable Radio / Detailed Service Manual TRANSCEIVER 400 MHz
DC Distribution (V1_3V) Test
Use this test on a unit with the following symptoms: no V1_3V.
Is the voltage OK?
Change GCAP3 (U200).
Check C264, C266 for 3Vdc.
Check C211 for 3Vdc.
Yes
No
No
Yes
Is the voltage OK?
Is the voltage OK?
Go to V3_2.775V test.
No
Yes
Check E213.
Check traces to
ESCORT/TXVCO section.
Check C252 for 3.3Vdc.