SCIFIT SXT7000 User Manual download pdf (Page 18)

V. Adjustments and Parts Replacement

A. Upper PCB (Display) Replacement

(Use this procedure for all

SX500’s, SX1004’s thru serial number 905-005170, SX7000’s thru 911-

005227, and SXT7000’s thru 970-005361.)

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 (P1558) 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. If your unit had two (2)

plastic standoffs, these need to be placed back at the bottom of the new

upper PCB.

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SCIFIT SXT7000 User Manual Page 18