Motorola MTP700 - Page 193

TRANSCEIVER 800 MHz MTP700 Portable Radio / Detailed Service Manual 4.2 - 71
DC Distribution (VREF2_2.775V) Test
Use this test on a unit with the following symptoms: no VREF2_2.775V.
Check C261 for 2.775Vdc
Check traces to
D001, J100 pin19.
Check C252 for
3.3Vdc.
Is the voltage OK?
No
Yes
Is the voltage OK?
Yes
No
Change GCAP3 (U200).
Go to V2_2.775V Test.