EPS-J6
PLUS
Burn-in Test Program
BURN-IN
FAILURE MODES
1.
If
there is a failure in any
of
the tests, the special segments
in
the display
and
the control panel
LEDs
will flash alternately. The test cycle
will
continue.
2.
To
determine which test has failed, press Cancel-No. When the test that
is
currently being
performed is finished the display
will
indicate a "PASS/FAIL STATUS" mode.
If
the Dynamic
Ram
has passed, for example, the display will read DYNAMIC
RAM
GOOD.
3 .
Pressing
any
of
the arrow keys will cause the program to page through and display the pass/fail
status
of
each
of
the eleven tests. Once the failed test has been located, you can clear the pass/fail
status
mode
by pressing Cancel-No. This should be done
ONLY
as a diagnostic function.
Once
all
failure status indicators have been cleared, press Enter-Yes to restart the Bum-in Test
cycle
at
the displayed
test
4.
Pressing
the
Edit
button
will
display the number
of
times the test has been performed and the
number
of
times the test has failed. The format is shown below:
Test
Iterations
xxxxx
Test Failures
xxxxx
(xxxxx = 5 digit count value)
Failed
Test
Problem in order
of
likelihood
DYNAMIC
RAM Main Board
DISK
WRITE Test Disk, Disk Drive cable, Disk Drive, Main Board
DISK
READ Test Disk, Disk Drive cable, Disk Drive, Main Board
N.lIDI IN/OUT Check cable continuity and cable insertion,
Main
Board
KEYBOARD Keyboard cable, Keyboard
SUSTAIN
FOOTSWITCH Check cable continuity and cable insertion,
Main
Board, Keyboard
AUX
FOOTSWITCH Check cable continuity and cable insertion,
Main
Board, Keyboard
INDEX
PULSE (Disk Drive) Disk Drive cable, Disk Drive, Main Board
ESP
RAM
Main Board
ESP
GPR
REGISTERS Main Board
ESP
INSTR
REGISTERS Main Board
page 22 EPS-J6
PLUS
Service Manual
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