Motorola i897 - DC Distribution (V2) Test

TROUBLESHOOTING: DC Distribution (V2) Test
3.15 DC Distribution (V2) Test
No
Check C725, C727, C755, C757
Go to
FILT_B+
flow
chart.
Is
2.775 Vdc
at the parts
?
Check FILT_B+
(3.6 Vdc) at C726,
R718, C900, C901
Is
3.6 Vdc
present
?
No
Yes
Yes
Check for US, DFP,
etc. Repair as
necessary.
Replace U701
ROADRUNNER
Use this test on a unit with the following symptom: no V2 (2.775 Vdc).
6880401P59-O
97