Operation Trouble - PIONEER DJ DJS-1000 Service Manual

1

Operation Trouble

Button does not work
A
Identify the abnormal part in the
"6.1 TEST MODE"
Is there more than one
abnormal operation?
Yes
Are all the operation parts that are
controlled with the same GRID signal
B
or SEG signal abnormal?
Yes
Failure in the operation processing microcomputer (IC8008, IC8005) and failure in
peripheral circuit
Rotary VR / performance PAD does not work
Identify the abnormal part in the
"6.1 TEST MODE"
C
Is there more than one
abnormal operation?
Yes
Failure in the AD processing microcomputer
(IC8008) or failure in the peripheral circuit of
AD reference voltage(V+3R3D_REF)
D
Rotary selector / parameter adjustment knob does not work
Does it not work for
the rotary operation?
Yes
Is the rotation signal * normal?
C U, waveform
[Observation point
E
Yes
Failure in the operation processing
microcomputer (Failure in IC8008)
F
16
1
2
No Failure in the operation parts of the abnormal
part and peripheral circuit
No Failure in the operation parts of the abnormal
part and peripheral circuit
No Failure in the operation parts of the abnormal
part and peripheral circuit
No If it does not work for the push operation,
go to "Button does not work" flowchart.
No Failure in the processing microcomputer
7]
(failure in IC8008), or failure in the rotary
selecter/ parameter failure
DJS-1000
2
3
3
4
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