Motorola MTP700 - Page 99

TRANSCEIVER 400 MHz MTP700 Portable Radio / Detailed Service Manual 4.1 - 65
DC Distribution (V3_2.775V) Test (Cont.)
Is the voltage OK?
Check C209, C258, C259 for
2.775Vdc (V3_2.775V_DIG).
Yes
No
No
Yes
Is the voltage OK?
Is Reset high?
Are frequency and
amplitude OK?
Replace GCAP3 (U200).
Replace GCAP3 (U200).
No
Yes
Yes
Check E207 for opens.
No
Replace GCAP3(U200).
Test Check TP316 for 32kHz
clock with 2.7V amplitude.
Check C294, C295 for
2.775Vdc (V3_2.775V).
Check C256 for the Reset high
(LV_DETECT).
B
A