Sharp MX-4100N Service Manual page 507

[P] PWB SECTION
MX-5001N
1. Disassembly and assembly
(Countermeasures against static electricity)
When handling the PWB and the electronic parts, be sure to
observe the following precautions in order to prevent against dam-
age by static electricity.
1) When in transit or storing, put the parts in an anti-static bag or
an anti-static case and do not touch them with bare hands.
2) When and after removing the parts from an anti-static bag
(case), use an earth band as shown below:
• Put an earth band to your arm, and connect it to the
machine.
• When repairing or replacing an electronic part, perform the
procedure on an anti-static mat.
A. Control box
Service Manual
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(1) DIMM memory PWB (512MB/1GB)/PROG1 ROM
PWB/PROG 2 ROM PWB/MFP cnt PWB
1) Remove the right cabinet rear cover.
2) Remove the screw, and pull out the MFP cnt PWB.
* When placing the HDD on the upper side, do not apply an
excessive force to the DIMM memory. So remove it or put a
spacer.
MX-5001N PWB SECTION P – 1
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Parts
DIMM memory PWB (512MB)
DIMM memory PWB (1GB)
PROG1 ROM PWB
PROG2 ROM PWB
MFP cnt PWB
HDD
PCU Flash ROM PWB
PCU PWB
Mother PWB
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