SCIFIT ISO7000R, Руководство по обслуживанию

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B. Upper PCB Replacement
(Use this procedure for ISO7000R’s with
serial numbers 570-005257 thru 570-005295.)
1. Using a Philips screwdriver, remove the four (4) display mounting screws
on the back of the display mounting plate.
2. Disconnect all cables running to the upper PCB and remove the upper
console assembly from the unit. Make sure the cables do not fall into
the neck of the unit.
3. Remove the two (2) outer countersunk screws in the back of the plastic
console, using a Philips screwdriver. This will free the upper PCB and
overlay from the plastic console. Do not touch any components on the
upper PCB. Touching components could cause static damage. If the
wireless heart rate PCB is still plugged into the upper PCB, unplug it.
4. Remove the six (6) standoffs from the upper PCB. This may require the
use of a 5/16” nut driver or socket. The upper PCB will separate from the
overlay.
5. Install the new upper PCB and replace standoffs.
6. Reconnect all cables to the upper PCB (as shown above).
•
Plug the wireless heart rate PCB back into the upper PCB. It plugs
into the bottom 3-pin header on the right side of the upper PCB.
•
The contact heart rate PCB has a cable coming up from the neck of
the unit. This plugs into the top, 3-pin header on the right side of
the upper PCB, above the wireless heart rate header.