B / X-tal: crystal / osilator
C : kapasitor
R : resistor
D :jenis IC digital / Asics
N :jenis IC Analog/ IC ukuran kecil
X : konektor
S :switch ON OFF
J : titik jump
M : motor / vibra
L : lilitan / coil
G : generator
T :transformator
Z :filter jaringan frekwensi/ interface antar rangkaian/EMIF
D/V :dioda single
Q/V :dioda / transisitor
UI : user interface
Ear :speaker
IRDA :infra red data acces
IHF :loudspeaker
UPP :universal phone prosesor
UEM :power, audio , charging