Samsung SGH-B300 Service Manual page 43

PCB Diagrams
U201
R209 C219
L200
VR601
VR600
MENU
LEFT
VR604
KEY_1
R611
KEY_4
VR603
VR605
KEY_7
R605
UP
RIGHT
DOWN
CLEAR
VR602
KEY_2
R612
KEY_5
KEY_8
R604
KEY_0
9- 2
STO
PWR
VR611
KEY_3
KEY_6
KEY_9