Samsung NZ63K7777BK Service Manual page 21

4-3-4
Remove any foreign substance
from the shorted part.
S/W Information
NO
After Power -> On, does
the symptom continue?
Replace the Assy Touch PCB.
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Top Sensor Short Information (
YES
Is the sensor terminal part
NO
The sensor has defect.
Replace the sensor.
YES
Perform the operation again and check
if it is working properly.
- 19 -
: check if the sensor is slightly shorted.
of the PCB shorted?
No
Is the sensor's
real resistance a
shorted circuit?
YES
)