Keyboard - Nokia RH-99 Service Manual

RH-99; RH-100; RH-105; RH-106
System module

Keyboard

A 5 X 4 matrix keyboad consists of 20 keys, one 10-channel integrated passive filiter arrays with downstream
ESD protection of >8KV connect the matrix keyboard to UPPcosto.
The layout is shown in Keyboard layout in UI side.
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