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Base
ANTENNA
RF FILTER
CF801, CF802
RX_DUP
DUP801
1st Mixer
2nd Mixer
EXP
16
SPEAKER
RX VCO
T801 PLL OSC X801
RF IC IC801
COM
PLL -DATA -CLK -EN
MIC
PW SW
Q902
PW SW
Q901
DC 3.9V
BATTERY 3.9V
TX_DUP
DUP901
RF AMP
IC901
TX VCO
T901 VD901
DIODE BRIDGE
D701, D702 D707, D708 D601
TX Power LED
Q601 LED601~607
TX PLL RX DATA DATA -DATA -CLK -EN
RESET
Q703
DIODE BRIDGE
D706, D709
CHARGE TERMINAL
CPU IC601
RAM
CHARGE DTC
Q702
Q602 Q701
DC 3.9V AUDIO SIGNAL CONTROL SIGNAL
Charge current control
X602
BUZZER
BU22
LCD DISPLAY
KEYBOARD
Q705 Q704
KX-TC1222BGB BLOCK DIAGRAM (HANDSET)