6060 Spine Road
Boulder, CO 80301 USA
T 303 444 2009
F 303 444 9543
Display and Display Interface Board Replacement for 500 Series TOC
Analyzers
1.
Purpose:
To define the process used to remove and replace the Display and Display Interface Board in
Sievers* 500 series TOC Analyzers.
2.
Scope:
This procedure describes how to remove and replace the Display or Display Board in Sievers
500 Series TOC Analyzers (500RL and 500RLe TOC Analyzers). This procedure applies to
second-generation displays.
3.
Safety:
This procedure requires that you gain access to the inside of the Analyzer. To avoid
potentially dangerous shock, be sure to power off the Analyzer as described in the procedure.
Be sure to follow ESD safety precautions as instructed.
4.
Materials:
5.
•
Display and/or display interface board replacement kits
•
One long Phillips screwdriver (#2)
•
Wrist ground strap (disposable unit included in kit)
Procedure:
5.1
If the Analyzer is taking measurements,
press the Stop Analysis button.
5.2
(a) Insert a USB flash memory drive into
the port labeled USB on the side of the
Analyzer.
(b) Back up the current Analyzer
settings by selecting Maintenance →
Advanced → USB I/O → Save System.
(a)
Maintenance → Advanced → USB I/O → Save
System (b)
GE Analytical Instruments, Inc. ©2009H
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When finished, remove the USB flash
memory drive from the USB port and
store it in a safe place.
DIN 96025-01 Rev. A
Display Board, 500 Repl.
5.3
Turn off power to the Analyzer.
Also shut off the circuit breaker for the
Analyzer.
5.4
Open the Analyzer’s door by rotating
the top latch to the left.
5.5
Put on wrist ground strap and connect
it to convenient ground point on
analyzer. (example: ground stud on
case or door)
Inside the door, use a Phillips
screwdriver to loosen and remove the
five screws.
5.6
GE Analytical Instruments, Inc. ©2009H
Rotate the front panel off of the
Analyzer.
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DIN 96025-01 Rev. A
Display Board, 500 Repl.
5.7
Using a Phillips screwdriver, loosen and
remove the four screws that secure the
display bracket to the Analyzer door.
5.8
Disconnect the display board cable
from the display interface board and
then pull the display bracket away
from the Analyzer.
5.9
Place the display bracket on a staticfree surface.
If replacing the display, remove the
metal grounding tape.
5.10
Turn the display bracket over for
access the display interface board.
(a) Disconnect the three cables (labeled
A, B, and C).
(b) To remove cable B, lift the tab up
and then slide the cable out.
(c) To remove cable C, pull the tab out
and the slide the cable out.
(a)
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If you are replacing both the display
and the display interface board,
complete all of the following steps.
Otherwise, only disconnect the
necessary components.
DIN 96025-01 Rev. A
Display Board, 500 Repl.
To remove the display, use a Phillips
screwdriver to disconnect the four
screws that secure the display to the
bracket (labeled 1-4).
To remove the display interface board,
use a Phillips screwdriver to disconnect
the four screws that secure the display
interface board to the bracket (labeled
5-8).
(b)
(c)
5.11
Remove the new display interface
board (left) and/or display (right) from
the packaging.
5.12
If you are not replacing the display,
skip this step.
Connect the cable to the display. Note
that the display provided in the kit may
be one of two configurations. See
photo (a) or (b).
(a)
If you have the configuration shown in
photo (a), note that before inserting the
cable, the latch must be up. Slide the
cable into the connector and then
rotate the latch down to secure the
cable in place. Refer to photo (c).
If you have the configuration shown in
photo (b), note that before inserting the
cable, the latch must be pulled out.
Slide the cable into the connector and
then push the latch inward to secure
the cable. Refer to photo (d).
(b)
(c)
GE Analytical Instruments, Inc. ©2009H
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DIN 96025-01 Rev. A
Display Board, 500 Repl.
(d)
5.13
If you are not replacing the display
interface board, skip this step.
Secure the new display interface board
to the bracket by tightening the four
screws with a Phillips screwdriver.
5.14
Position the display against the bracket
and pull the quick connect cable
through the pass-through port in the
bracket.
5.15
If you are replacing the display, secure
the display to the bracket by tightening
the four screws with a Phillips
screwdriver.
Do not over-tighten the screws.
Make sure the touch panel cable (J3)
does not get pinched or kinked
between the display and the bracket.
5.16
(a) Note that before attaching the
cable, you must pull out the tab.
(a)
GE Analytical Instruments, Inc. ©2009H
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(b) Connect the cable to J3 by sliding
the cable into position and then
pushing in on the tab.
DIN 96025-01 Rev. A
Display Board, 500 Repl.
(b)
5.17
(a) Note that before attaching the
cable, you must raise the tab.
(b) Connect the cable to J1 by sliding
the cable into position and then
pushing down on the tab.
(a)
(b)
Connect the quick connector to the
display interface board.
5.18
GE Analytical Instruments, Inc. ©2009H
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DIN 96025-01 Rev. A
Display Board, 500 Repl.
Affix the metal tape so that it makes
contact with both the display and the
bracket.
5.19
The tape serves as the new grounding
device.
5.20
Connect the display board cable to the
display interface board.
5.21
Using a Phillips screwdriver, secure the
display bracket to the Analyzer by
tightening the four screws.
5.22
Rotate the front panel onto the
Analyzer and snap the panel into
place.
GE Analytical Instruments, Inc. ©2009H
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DIN 96025-01 Rev. A
Display Board, 500 Repl.
Inside the door, use a Phillips
screwdriver to secure the five screws.
5.23
Remove wrist ground strap.
5.24
Close the Analyzer’s door and rotate
the top latch into the closed position.
5.25
Restore power to the Analyzer.
5.26
Return the Analyzer to normal
operation.
*Trademark of General Electric Company; may be registered in one or more countries.
GE Analytical Instruments, Inc. ©2009H
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DIN 96025-01 Rev. A
Display Board, 500 Repl.