How To Test The Mosfet In The Main Pcba - EGO LMX5300SP Troubleshooting Manual
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Also See for LMX5300SP:
- Manual (297 pages) ,
- Operator's manual (164 pages) ,
- Repair manual line (101 pages)
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How to test the MOSFET in the main PCBA
Step 1:
a) Set the Multimeter function to
"Diode measuring" .
b) Contact the red pen pin to the black
electric contact of yellow connector.
c) Contact the black pen pin to the
three terminals of power connector
separately and measure the voltage.
d) If the LCD displays 0.45~0.55V for
each measurement, go to the next
testing step, otherwise means the
main PCBA is broken.
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