Motorola PRO9450 Manuale di servizio di base - Pagina 24

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3-8

3.6.4 Display Disassembly

1. If disassembly involves the removal of the display module, with the keypad retainer removed,

disconnect the display ﬂex from the keypad option board connector by lifting the latch on the

connector.

CAUTION: Take care not to damage the display. Do not cut, bend, or pinch the heat seal.

Display modules contain CMOS devices. Be sure to use ESD protection.

2. For the PRO7150 and PRO7350, the display module is attached to the front cover with a double-

sided adhesive pad. Carefully pull up on the display module, lifting only at the bottom corners,

remove it from the front cover. Use a new piece of double-sided adhesive to re-mount the display

to the cover.

3. For the PRO9150 only, The display module snaps into the front cover assembly. Insert two ﬂat

blade screwdrivers between the ﬂexible beam at the top of the display module (one on each side).

Deﬂect the beam down until it moves past the hooks on the front cover. The display module is

hooked to the front cover at the base of the display. Lift the top of the display module past the

hooks and remove from front cover.

1. If disassembly of the speaker-microphone assembly is necessary, remove the dustcover by

turning the screw at the bottom of the dustcover counterclockwise with your ﬁngers. Lift the

dustcover out of its pocket.

NOTE The dustcover must be removed to remove the speaker-microphone assembly ﬂex

circuit.

Retainer

Display

Module

Figure 3-7. Keypad Retainer and Other Boards Removable

Radio

Body

Radio Disassembly — Detailed

Keypad

Option

Board

Keypad