Yamaha spx2000 Service Manual page 36

SPX2000
QQ
3 7 63 1515 0
Starting Testing
Turn on the power while pressing "UTILITY" and "NEXT" keys
Entry screen
Operation Procedure
Key on panel
[MEMORY UP]
[MEMORY DOWN]
[RECALL]
[UNDO]
TE
L 13942296513
[NEXT]
[BACK]
Test name
Meanings of displayed test results
OK Normal
NG Error
-- Not tested yet
The test result is kept until the power is turned off. (It is cleared when the power is turned off.)
When re-testing, a new test result is written over the previous test result.
It is not possible to restore the "not tested" state for those items that have already been tested. ("not tested"
www
state is restored when the power is turned off.)
The LCD back light is white while testing. (this is applicable to tests other than the back light test)
.
36
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SERVICE TEST
SPX2000 V1.00
Displayed for a few seconds only.
Function
Selection of test numbers in increasing direction
Selection of test numbers in decreasing direction
Starting execution of the selected test number
Forcing to stop the test being executed.
* Stopping may not be available depending on test items.
Manual input of OK in the test judged by a testing person.
Manual input of NG in the test judged by a testing person.
Example of panel display
MCS(PLLP2)
Ver.Check
Test description and result
Details of the test that ended as normal are displayed on the left.
Details of the test in which an error occurred are displayed on the left.
x ao
y
i
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8
NEXT
UTILITY
Q Q
3 6 7 1 3
01
Test number
u163
.
2 9 9 4 2 8
POWER
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9