SERVICE MANUAL
Document No
Date of Origin
Date of REV
51-L-DSR004
98-10-21
PAGE REV.
0
PAGE
46 /102
S-00-005(96.03.27)
REV.1
7-16-3.
In the case of no pulse
occurrence,
check the parts U306.3 and 4p.
Verify the Loop condition
detection
part whether
the U306.15
is the
normal output.
7-16-4.
If the Modem does not work completely,
please check whether
normal
output level is coming out from U302.
Try to change this component
because
there is a great possibility
of
damage caused externally.
7-16-5.
Please check the parts U306.11
and 13.6p whether
the normal pulses are
getting
out from them. In the case of problem
occurrence,
try to change
the component
because
there is a
possibility
of damage.
