SCIFIT SXT7000 User Manual download pdf (Page 28)

F. Lower PCB (Power Supply) Replacement (Use this procedure

for all SX500’s, SX1004’s with serial numbers 905-005171 and above,

SX7000’s 911-005228 and above, and SXT7000’s 970-005362 and

above.)

1. Remove the four (4) lower PCB mounting nuts, located on the left side of

the monocoque (silver framework), using a 5/16” socket or wrench. The

covers do not need to be removed from the unit.

2. Lay the unit over on its left side.

3. Lift the lower PCB (P2161) up slightly and pull out the bottom of the unit.

One (1) zip-tie may need to be cut to give the wires enough slack to

remove the lower PCB from the bottom of the unit. Make sure you are

grounded when handling electronics. Do not touch any components

on the lower PCB. Static damage can occur.

4. Disconnect all wires running to the lower PCB.

5. Using a Philips screwdriver, transfer the standoffs from the old lower PCB

to the new lower PCB. To remove a standoff, unscrew the Philips screw

and star washer running through each corner of the lower PCB.

6. Reconnect all wires to the lower PCB. Confirm connections with the lower

PCB picture on the next page.

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SCIFIT SXT7000 User Manual Page 28