OHAUS SF40A Service Manual - page 5
SF40A Printer Service Manual
SF40A Printer Service Manual
1-3
Ohaus Corporation www.ohaus.com
1.6 Replace Main PCB
1 Open Unit, (see section 1.4).
2 Disconnect RS Cable G.
3 Disconnect power (red) and ground
(black) cable H on Power Supply
PCB.
4 Remove Print Head C, see section
1.5.
5 Unscrew and remove/replace Main
PCB I.
1.7 Replace Power Supply PCB
1 Open Unit, (see section 1.4).
2 Disconnect 4 cables J1 to J4 K.
3 Unscrew L and remove/replace
Power Supply PCB.
1.8 Replace Interface PCB
1 Open Unit, (see section 1.4).
2 Disconnect Interface Cable P on
Interface PCB R.
3 Lift out and remove/replace
Interface PCB.
R
Q
P
G
F
C
H
G
H
I
K
K
L