Read Panasonic KX-NS5170XSX / KX-NS5170X-SX Service Manual online
18
KX-NS5170X/KX-NS5170SX
8 Troubleshooting Guide
The card doesn't work.
Check for short of the power supply.
(The power supply should be OFF.)
Check for short
circuit of
F300,F301.
Short
OPEN
1
Replace F300,F301.
Check the test land
between [+15V] and
between [+15V] and
[GND].
Replace the defective parts.
Replace the defective parts.
NG
NG
NG
OK
OK
OK
Replace the defective parts.
Replace the defective parts.
NG
NG
NG
OK
OK
OK
Check the test land
between [+5V] and
between [+5V] and
[GND].
Check the soldering of
Q300,Q301,Q302,
IC304.
Check the soldering of
Q101A-D,Q100A-D
Check the soldering of
IC302.
Check the soldering of
T100A-D, C103A-D,
U105A-D.
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