Nokia 6310i Service Manual page 83

NPL-1
PAMS Technical Documentation 3 - Audio System
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Front Holes on A-Cover
Leakage Holes on A_Cover
Shielding material glued to A cover or IMD Window
Earpiece Front Volume
Leakage Between A_ and B_Covers
(Not well defined)
Opening Between
Earpiece and PCB
Leakage Holes on PCB Leakage Holes on PCB
Back Volume
Figure 2. Sketch of Earpiece Acoustic Design
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