Sharp MX-M550U Service Manual page 395

MX-M700N
[Q] PWB SECTION
1. Disassembly and assembly
A. Control PWB section
No.
(1) PCU FLASH PWB
(2) PCU PWB
(3) Driver PWB
(4) Mother PWB
(5) Controller cooling fan motor
(6) HDD cooling fan motor
(7) HDD
(8) Soft NIC PWB
(9) MFP FLASH ROM PWB
(10) MFP controller PWB
(7)
(10)
(8)
(9)
(1) PCU FLASH PWB
1) Remove the ROM cover. Release the lock and remove the
PCU Flash PWB.
(2) PCU PWB
1) Remove the rear cabinet.
Parts
MX-M700N PWB SECTION Q – 1
2) Disconnect the connector, and remove the PCU PWB.
(3) Driver PWB
1) Remove the rear cabinet and the rear cabinet upper.
(6)
(4)
(1)
(3)
(5)
(2)
2) Disconnect the connector, and remove the harness clamp and
the SCAN harness cover.
3) Remove the connector and the harness clamp. Remove the
driver PWB unit.