Denon MC2000 Service Manual page 37

FLOW CHART NO.10 (405-MC2-3058 : CONTROL UNIT)
JOG WHEEL is not operating.
(BEND function is not operating.)
Is D5V outputted 11pin, 12pin of CN300
(Refer to Fig.5 of the 40 page.)
Is encoder waveform(0-3.3V) outputted to9pin, 10pin, 45pin,
51pin of IC400, when JOG WHEEL is turned.
(Refer to Fig.1 and 2 of the 39 page.)
Replace IC400.
YES
YES
NO
Connect the FFC (14pin:CN300) correctly.
NO
Check perifery circuit of Q406, Q407, Q408, Q409, replace it
if defective.
When the periphery circuit is correct, replace IC400.
37