Rewriting The Flash Rom - Sharp FO-3150 Service Manual

FO-3150U/C

[2] Rewriting the Flash ROM

Refer to the Technical Manual of UX-CL220U.
1) Remove screw and remove ROM cover. (Hook x 5)
2) Connect one end of Main Cable to the connector of the control PWB
connector for the FAX machine (CNPRG)(refer to Fig.4) and the other
end to CN1 of Program loader BOX.
CONTROL PWB
CNPRG
Program Loader Box
CN1
HOOK
Fig. 3
Fig. 4 Connection of Main Cable
8 – 4
HOOK
Screw
ROM Cover
Main cable
FAX machine