SCANVIEW ScanMate 5000

To Next Page

To Previous Page

How to replace

Removal

1 • Remove the following covers:

Lamp cover A and back cover B, (section 4•2 steps 1-2).

2 • Remove the hardware unit, (section 4•5, steps 2-6).

3 • Remove the CPU module by lifting away from connectors J12 and J13 on

the control board.

4 • Disconnect connectors J16, J18 and J19.

5 • On ScanMate 5000 (0210 model), disconnect the connector from the bar

code board, located in IC21.

6 • Remove the nine 2.5 mm posidrive screws from the control board and

remove the board.

7 • Remove #1 amplifier board from J1 on the control board by opening the

two side clips, carefully rotating the board towards the back of the scan-

ner and lifting away.

8 • Remove #’s 2 and 3 amplifier boards from J2 and J3 as in step 7.

Assembly

9 • Refit the three amplifier boards to the new control board by carefully

mounting at an angle, rotating to the vertical position and locking with

the two side clips.

10 • Fit the control board and secure with the nine 2.5 mm posidrive screws.

11 • Refit the CPU module onto connectors J12 and J13 on the control board.

12 • Reconnect connectors J16, J18 and J19.

13 • On ScanMate 5000 (0210 model), reconnect the connector from the bar

code board, into IC21.

14 • Partially refit the hardware unit, (section 4•5 steps 7-10).

Note: if connector J20, (green) is used on the control board, ensure that

it is connected correctly, (see the caution on page 4•6a).

15 • Carry out the adjustment and test operations specified below.

16 • Carefully push the hardware unit fully in, (connector J1 on the driver

board mates with the backplane) and fit the two 2.5 mm countersunk

allen screws A on each side of the unit.

17 • If no further replacement operations are required, refit the back cover C

in accordance with section 4•2.

Adjustments and tests required

White calibration in transmission and reflection (section 5•5).

Focus calibration (section 5•4).

Stripes in shadow (section 5•13).

Service Manual • ScanMate 4000/5000 Edition 1 • January 1996

Control Board

4•6b

SCANVIEW ScanMate 5000 - Page 58