Motorola 880, Service Manual

Page: 37 / 171

© 1997 Motorola, Inc. 68P09403A50 29
DISASSEMBLY
Dual Band 880/890 (DCS/GSM) Cellular Subscriber Sector
Disassembly
Introduction
Before disassembly is started, the antenna
connector cap at the top of the phone has to
be removed to allow full separation.
Reasonable care should be taken during the
disassembly and reassembly of the unit in
order to avoid damaging or stressing the
housing and internal components. Ensure
that a properly grounded high impedance
conductive wrist strap is used while
performing these procedures on electronic
units.
CAUTION
Many of the integrated circuit devices
used in this equipment are vulnerable to
damage from static charges. Ensure that
adequate static protection is in place
when handling, shipping, and servicing
the internal components of this equip-
ment.
Recommended Tools
The following tools are recommended for
use during the disassembly and reassembly
of the phone.
• Anti-Static Mat Kit (01-80386A82);
includes:
— Anti-Static Mat 66-80387A95
— Ground Cord 66-80334B36
— Wrist Band 42-80385A59
• Dental Pick
• Rear Housing Removal Tool 81-09972N01
• Plastic Prying Tool SLN7223A
Disassembly Procedure
The following information describes the
procedure for removing and accessing
various parts of the phone.
Assembly Procedure
Once the unit is disassembled and the repair
is carried out it then becomes obvious that to
assemble the unit, the procedure is the
reverse of that previously completed for
disassembly.
NOTE
Refer to Figure 11: “Mechanical Explo-
sion Illustration” on page 89, as neces-
sary, while performing the disassembly/