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Sled operating is abnormal.
Is there Sled
control signal output?
(IC100 pin 14,18)
YES
Is there
Sled drive voltage input?
(IC300 pin 1,2)
YES
Is there
Sled drive voltage output?
(IC300 pin 5,6,9,10)
YES
Is there
Sled drive voltage output ?
(CN102 pin 1,2,3,4)
NO
•
Check the Connection CN102.
58
NO
NO
•
Check the connction of IC300 pin 1,2.
•
Replace the IC300.
•
Check the R305, R306.
NO
Is MUTE1 signal 'H'?
(IC300 pin 41)
YES
Check RA301, RA302,
and then replace IC300.
YES
Replace the Sled Motor.
Replace the IC200.
NO
Check the connection of IC200
pin 71, 72.
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