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14. Install the display PCB onto the keyboard bezel (making sure that the keyboard connector ele-
ment and keyboard connector body are properly installed) and secure using four screws.
15. Align the locating tabs on the bottom edge of the replacement display PCB assembly with the
locating slots on the bottom of the opening in the electronics bezel.
16. Tilt the top of the display PCB assembly (toward the rear of the instrument) and gently press on
the display board near the top until the locking tabs " click"into place.
17. If removed, install the detector PCB removed from position " A"on the main PCB.
18. Install connector J1 into connector receptacle P1 on the main PCB. (When connector J1 is
properly seated, the locking tabs on connector receptacle P1 will wrap around the edge of the
connector, locking it in place.)
19. Install the right side panel and secure using four screws.
20. Install the electronics carrier top cover.
21. Restore all gas supplies.
22. Restore power to the instrument.
23. Observe the alphanu-
meric display, as the in-
strument performs an
internal self- diagnostic
integrity check. to en-
sure that the instrument
shows the expected
normal displays.
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NORMAL" INTEGRITY CHECK"
OVEN
FINAL
TIME
RATE
INITIAL
TIME
OVEN
FINAL
TIME
RATE
INITIAL
TIME
OVEN
FI-
NAL
RATE
TIME
INITIAL
TIME
OVEN
FINAL
TIME
RATE
INITIAL
TIME
SVC 8- 5
AT POWER-ON
ACTUAL
SETPOINT
Test of display elements:
all alphanumeric and LED
elements are lit.
STATUS
RUN
NOT
READY
ACTUAL
SETPOINT
5890 Series II memory test
in progress.
STATUS
RUN
NOT
READY
ACTUAL
SETPOINT
5890A Self-testing in
progress.
LEDs off, except possibly
STATUS
" NOT READY."
RUN
NOT
READY
ACTUAL
SETPOINT
Message indicating normal
termination of diagnostic
tests after power restoration.
STATUS
User setpoints remain in
RUN
force.
LEDs off, except possibly
NOT
READY
" NOT READY."
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