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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)