3. Remove the processor board (smaller of
two) by first releasing the two plastic
standoffs at locations E3 and E4 (B), tak-
ing care not to disturb the
options/configuration switch SW1 (A).
Next, gently pry the processor board off
its J1 and J2 connectors (C) by rocking it
from top to bottom.
4. Remove the replacement application
board from its anti-static bag.
5. Install the processor board onto the new
application board by reversing step 3,
being careful to firmly seat the J1 and J2
connections and aligning pins to sockets.
6. Press the new board set onto the four
snap-on standoffs so that the words
“Advanced Instruments, Inc.” are located
in the upper left corner.
7. Reconnect all wiring connections and
proceed to the REASSEMBLE AND
CHECKOUT instruction, below.
Processor Board (smaller of two)
Replacement:
1. Remove the processor board (smaller of
two) by first releasing the two plastic
standoffs at locations E3 and E4 (B).
Next, gently pry the processor board off
its J1 and J2 connectors (C) by rocking it
from top to bottom.
2. Remove the replacement processor board
from its anti-static bag, taking care not to
disturb the options/configuration switch
SW1 (A).
3. Install the new processor board onto the
new application board by reversing step
1, being careful to firmly seat the J1 and
J2 connections.
4. Proceed to the REASSEMBLE AND
CHECKOUT instruction, below.
INSTRUMENTS WITH A SINGLE
CONTROL BOARD:
(Control Board Set 3D3605R/4D3605R
replaces Main Control Board 3D3600/
4D3600.)
1. Remove the wiring connectors from the
control board.
2. Gently pry the board set off the four
snap-on standoffs.
3. Remove the replacement board set from
its anti-static bag, taking care not to dis-
turb the options/configuration switch
SW1 (A).
4. Press the new board set onto the four
snap-on standoffs so that the words
“Advanced Instruments, Inc.” are located
in the upper left corner.
5. Reconnect all wiring connections and
proceed to the REASSEMBLE AND
CHECKOUT instruction, below.
REASSEMBLE AND CHECKOUT
1. Verify that all wiring connections have
been restored, and that they are not offset
on the mating board’s connector.
2. Remove the static ground strap and put
aside until checkout is complete.
3. Replace the cover, taking care not to
pinch any wiring.
4, Verify that the power switch is OFF, and
then plug in the power cord.
5. Turn on the instrument and verify that the
instrument boots up correctly by watch-
ing the display and/or printout.
If you replaced the board set, processor
board, or an older single control board
4D3P620 Rev3
(4D35 Service Manual)
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