Motorola GP140 Series Panduan Servis Dasar - Halaman 19

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Motorola GP140 Series Panduan Servis Dasar

Radio Disassembly Ñ Detailed

Pull the volume and channel selector knobs off of their shafts.

NOTE

Both knobs slide on and off. However, they are supposed to Þt very tightly on their shafts.

Separate the chassis from the internal electronics front cover assembly as follows:

Insert a small, ßat-blade screwdriver, or similar instrument, in between the thin retaining

wall and the chassis at the bottom of the radio. Do not mar the O-ring sealing area on the

housing.

Slowly pry the bottom of the chassis from the cover by pushing the small ßat-blade

screwdriver down, and rotating the handle of the tool over and behind the base of the

radio. This prying action forces the thin inner plastic wall toward the base of the radio,

releasing the two chassis base tabs.

CAUTION: Marring the front cover O-ring sealing area will prevent the radio from sealing

properly.

NOTE

Flexible ribbon circuits (ßexes) connecting the front cover assembly and the chassis pre-

vent you from completely separating the two units. Display radios and radios with option

boards have two ßexes.

Figure 3-2 Knob Removal

Radio Chassis

Figure 3-3 Chassis Removal

Knobs

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