MX-1800N (serv.man37). Details of each Section - Q PWB Section. - Sharp Copying Equipment Service Manual (repair manual)

mx-1800n (serv.man37) service manual
Model
MX-1800N (serv.man37)
Pages
6
Size
1.65 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Details of each Section - Q PWB Section.
File
mx-1800n-sm37.pdf
Date
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MX-1800N  PWB SECTION  Q – 1
MX-1800N
Service Manual
 
[Q] PWB SECTION
1. Disassembly and assembly
A. PWB
(1) Control Box
a. BOOT ROM PWB /
b. PROGRAM ROM PWB
1)
Remove the right rear cabinet.
2)
Remove the screws and pull out the MFP cnt PWB unit.
* When placing the unit with the HDD upside, remove the
DIMM memory or insert a spacer in order to protect the
DIMM memory from pressure.   
* Insertion position and insertion procedure when removing
the DIMM memory.
Unit
Parts
(1)
Control Box
a
BOOT ROM PWB
b
PROGRAM ROM PWB
c
MFP  cht  PWB
d
HDD
e
PCU Flash ROM PWB
f
PCU PWB
g
Mother PWB
(2)
Power supply unit
a
AC Power PWB
b
DC Power PWB
(3)
Others
a
SCN Flash ROM PWB
b
Scanner Control PWB
c
HL  PWB
d
Driver Sub PWB
e
Secondary transfer PWB
f
Driver Main PWB
g
Primary transfer PWB
h
High Voltage MC PWB
i
HVR PWB
(1)-e
(1)-b
(2)-a
(3)-a
(3)-c
(3)-g
(1)-f
(1)-g
(1)-a
(3)-d
(3)-i
(1)-c
(1)-d
(3)-b
(3)-e
(3)-f
(2)-b
(3)-h
DIMM2
512MB
DIMM3
512MB
DIMM4
256MB
DIMM3
DIMM4
DIMM2
MX-1800N  PWB SECTION  Q – 2
a)
Press the section (
) of the memory PWB with both
hands.
* When handling the memory PWB, do not touch the
pins. 
* Insert temporally and straightly until it is in contact with
the contact.
* When inserting, be careful not to insert the memory
PWB obliquely to the connector. Do not press the
memory PWB pins with one hand. 
b)
Press the section (
) of the memory PWB with both
hands simultaneously until the right and the left buttons
are locked. 
3) Release the lock, and remove the BOOT ROM PWB (A) and
the PROGRAM ROM PWB (B).
c. MFP cnt PWB
1)
Remove the right rear cabinet.
2)
Remove the BOOT ROM PWB and the PROGRAM ROM
PWB.
3)
Remove the screws and then remove the MFP cnt PWB.
d. HDD
1)
Remove the right rear cabinet.
2)
Remove the screws and pull out the MFP cnt PWB unit.
3)
Remove the connector and screws then remove the HDD unit.
4)
Remove the screws, and remove the angle from HDD.
* Since the HDD is weak in shock, avoid hitting the corner,
dropping, or other shocks. 
A
B
1
2
2
MX-1800N  PWB SECTION  Q – 3
e. PCU Flash ROM PWB
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
PWB.
g. Mother PWB
1)
Remove the rear cabinet.
2)
Remove the SCAN IN PWB.
3)
Remove the connector and the screws, then remove the
mother PWB.
(2) Power supply unit
a. AC Power PWB
1)
Remove the rear cabinet.
2)
Remove the screws and the connector, and remove the AC
power PWB.
b. DC Power PWB
1)
Remove the rear cabinet.
2)
Open the control box.
1
2
1
2
1
2
MX-1800N  PWB SECTION  Q – 4
3) Remove the screws and the connector, and remove the filter
box unit.
4) Remove the screws and the connector, then remove the AC
power PWB unit.
5) Remove the screws and the connector, then remove the DC
power PWB.
(3) Others
a. SCN Flash ROM PWB
1)
Remove the upper cabinet rear cover.
2)
Release the lock, and remove the SCN Flash ROM PWB.
b. Scanner Control PWB
1)
Remove the upper cabinet rear cover.
2)
Remove the screws, and pull out the scanner control PWB
unit. Then remove the connector.
3)
Remove the screws, and remove the scanner control PWB.
1
2
Page of 6
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Here you can read online and download Sharp MX-1800N (serv.man37) Service Manual in PDF. MX-1800N (serv.man37) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp MX-1800N (serv.man37) Copying Equipment. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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