User Guide

Flow chart of trouble shooting 5-14
5-8 Ring Indicator
Ring Indicator LED does not
work
GPO2 by Test S/W
Q200, Q202, Q203 pin 2 = "H" ?
Between LED201 and
R210, R211, R212 = "L" ?
Check the LED
Replace LED201
END
Resolder
Q200, Q202, Q203
R210, R211, R212
Yes
No
Yes
Yes
No
No