ELECTRICAL TROUBLESHOOTING GUIDE
Sled operating is abnormal.
Check the connection LPM302.
Replace the LIC501.
NO
Is there sled
control signal output?
(LIC501 Pin56,57)
Check the PCB pattern and components
between LIC501 and LIC201 sled signals
NO
Is there
sled drive voltage input?
(LIC201 Pin2,3 )
YES
Check the LIC201.
NO
Is there
sled drive voltage output?
(LIC201 Pin6,8,9,10)
YES
NO
Is there
sled drive voltage output?
(LPM302 Pin1,2,3,4)
YES
Replace the sled motor.
YES
4. SLED OPERATING IS ABNORMAL