CDR 20 (serv.man13) - Harman Kardon Audio Service Manual (repair manual). Page 14

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NO
NO
NO
NO
NO
Replace the IC701(MICOM)
NO
Check the connection of IC701
pin 26.
NO
Replace the IC508(BU4053)
YES
-14-
Sled operating is abnormal.
Is there
Sled control signal output?
(IC701 pin 85)
Is there
Sled drive voltage input?
(IC501 pin 23)
Check the connection of IC701
pin 85
YES
YES
NO
YES
Check the connection of IC502
pin 17.
Replace the IC502(BA5925)
Is there
Sled drive voltage output?
(IC501 pin 17, 18)
Is Act_Mute signal "L"?
(IC501 Pin9)
YES
Is there
HALL/SLDOUT signal input?
(IC701 pin82)
Is there HALL 1
signal input (IC508 pin3)
YES
Is there
SLED FG signal input?
(IC701 pin97)
YES
Replace the IC501(BA5983)
Check the IC502(BA5925)
•Check the Connector(CN501)
•Replace the SLED Motor.
OK
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