CDR 25 (serv.man4) - Harman Kardon Audio Service Manual (repair manual). Page 26

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NO
NO
NO
NO
NO
Check -34V power line.
26
5V is OK?
YES
YES
YES
YES
YES
YES
Check D120 and 2-lines..
NO
Refer no power
Check IC802(Reset IC).
FLD heater Vcc is OK?(about 4V)
Between CN803 pin 1 and 4)
IC801 pin6 is High(Reset)
FLD CLK/DATA/CS is ?????
(IC801 pin 7, 8, 15)
OSC is appear in pin3, 4(IC801)
Replace IC801
Check connector CN803 PN401
and IC401 control lines.
NO
Check IC401 and Reset line.
Check X801.
4. FLD No Display
-34V is OK? IC801 pin60.
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