L7089 / L7189 4.1 Disassembly Introduction The L7189 is held together by 6 screws. 2 of these screws are placed under the escutcheon, at the top of the phone.Unlike most products in the past there is no flex that holds the display module, this is held in place with 4 clips. Ensure that a properly grounded high impedance conductive wrist strap is used whilst performing any tasks during the disassembly and assembly of the unit Avoid stressing the plastics in any way to avoid damage to either the plastics or internal components. 4.2 Recommended Tools The following tools are recommended for use during the assembly / disassembly of the L7189. Anti-static Mat Kit - 0180386A82, includes:
Antistatic mat 66-80387A95 Ground Cord 66-80334B36 Wrist Band 42-80385A59 Plastic Bladed Tool SLN7223A T5 Torx Driver 4.3 Disassembly Procedure The following set of diagrams will demonstrate the correct sequence and action required to disassemble the L7189 The use of the exploded diagram on pages 19 & 20 may be of some assistance for part recognition. 4.4 Assembly Procedure Once the unit is disassembled and the repair is carried out, the unit must then be reassembled, this is carried out in the exact reverse order as the disassembly. of 48 European Customer Services 14 !! CAUTION !! Many of the intergrated devices used in this equipment are vulnerable to damage from electro-static charges.
Ensure that adequate static protection is in place when handling, shipping and servicing the internal components of this equipment.