NEC POWERMATE ES 5200 - SERVICE, Service Manual

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3-2 Disassembly and Reassembly
This section contains step-by-step disassembly procedures for the system unit.
Unless stated otherwise, reassembly is performed by reversing the disassembly
sequence. A simplified disassembly illustration is provided with most
procedures. Section 6 includes a parts list and an illustrated parts breakdown
showing an exploded view of the system.
A Phillips-head screwdriver is the only required tool. For complete disassembly
of the system unit, follow the disassembly order listed in the following table. To
reassemble, follow the table and procedures in reverse order.
Individual removal procedures do not require the total disassembly of the
workstation. Each of the following subsections lists the parts that must be
removed before beginning the removal procedure.
PowerMate ES 5200 Series Disassembly Sequence
Sequence Part Name See Page
1 System unit cover 3-3
2 Front panel 3-15
3 Diskette drive 3-21
4 5 1/4-inch device 3-26
5 Internal hard drive 3-30
6 DIMM memory module 3-36
7 System board 3-39
8 Expansion board 3-46
9 Processor subsystem 3-52
10 Internal brackets — desktop 3-60
11 Riser board 3-63
12 Control board 3-67
13 USB board 3-70
14 Intrusion switch 3-73
15 Power supply 3-76
16 CMOS battery 3-79
17 Chassis foot 3-80
18 System board rails 3-83