18
TSP-16
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Operation Trouble
Rotary VR / performance PAD does not work
Is there more than one
abnormal operation?
No
Yes
Failure in the operation parts of the abnormal
part and peripheral circuit
No
Failure in the processing microcomputer
(failure in IC
8
00
8
), or failure in the rotary
selecter/ parameter failure
Failure in the operation processing
microcomputer (Failure in IC
8
00
8
)
Failure in the AD processing microcomputer
(IC
8
00
8
) or failure in the AD reference
voltage
Rotary selector / parameter adjustment knob does not work
Does it not work for
the rotary operation?
Is the rotation signal * normal?
[Observation point
+
1
B
#
]
No
Yes
Yes
If it does not work for the push operation,
go to "Button does not work" flowchart.
No
Failure in the operation parts of the abnormal
part and peripheral circuit
Failure in the operation parts of the abnormal
part and peripheral circuit
Failure in the operation processing microcomputer (IC
8
00
8
, IC
8
005: PWR
S
W, WAKE UP,
and ACTIVE only) and failure in peripheral circuit
Button does not work
Is there more than one
abnormal operation?
Are all the operation parts that are
controlled with the same GRID signal
or
S
EG signal abnormal?
[
S
ee 4.4 MATRIX TABLE]
No
Yes
Yes
Identify the abnormal part in the
"6.1 TE
S
T MODE"
Identify the abnormal part in the
"6.1 TE
S
T MODE"
