Read Sharp MX-1800N (serv.man37) Service Manual online
MX-1800N PWB SECTION Q – 3
e. PCU Flash ROM PWB
1) Remove the screws, and remove the rear cabinet cover.
1) Remove the screws, and remove the rear cabinet cover.
2) Remove the PCU Flash ROM PWB.
f. PCU PWB
1) Remove the rear cabinet.
2) Remove the PCU Flash ROM PWB.
3) Remove the connector and the screws, then remove the PCU
1) Remove the rear cabinet.
2) Remove the PCU Flash ROM PWB.
3) Remove the connector and the screws, then remove the PCU
PWB.
g. Mother PWB
1)
1)
Remove the rear cabinet.
2)
Remove the SCAN IN PWB.
3)
Remove the connector and the screws, then remove the
mother PWB.
mother PWB.
(2) Power supply unit
a. AC Power PWB
1)
1)
Remove the rear cabinet.
2)
Remove the screws and the connector, and remove the AC
power PWB.
power PWB.
b. DC Power PWB
1)
1)
Remove the rear cabinet.
2)
Open the control box.
1
2
1
2
1
2
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