LG KP105 Service Manual page 95

9. PCB LAYOUT
FL401 SAW (B9310)
NO RX
U401 PAM (SKY77517)
NO TX
NO RX
X101 26MHz Crystal
NO TX
NO RX
U103 BB Chipset (PMB7880)
NO Power on
NO Display
NO Service etc
U101 Charge Pump
NO Display
CN101 LCD Connector
NO Display
Q301 KEY LED Tr
NO KEYPAD LED
J101 SIM Connector
NO SIM
CN103 Vibrator PAD
NO Vibrator
LGE Internal Use Only - 96 -
U204 Speaker AMP
NO Sound (speaker)
U201 Headset A/S
NO FM Sound
(Headset or Speaker)
X102 32.768KHz Crystal
NO Booting
U104 Memory
NO Booting
U202 FM tuner
NO FM radio
U203 FM Speaker AMP
NO Sound
(Headset or Speaker)
Q101 Vibrator Tr
No Vibrator
U102 Charging IC
NO Charging
CN302 Battery connector
NO Power on
NO Charging
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Only for training and service purposes