Block Diagram - Panasonic KX-T7730X Service Manual

6 BLOCK DIAGRAM

T
DIODE
BRIDGE
(D1)
R
H
DIODE
BRIDGE
(D2)
L
T1
HYBRID
CIRCUIT
(Q3)
Vcc
POWER
REGULATOR
(IC7)
SIGNAL
T2
TRANSMITTING
CIRCUIT(Q101)
FF
(IC2)
SIGNAL
RECEIVING
CIRCUIT(Q102)
RESET IC
(IC9)
Pre Amp
(Q4)
Handset Amp
(Q5,Q8)
DTMF
X1
CPU
(IC1)
DRIVING
CIRCUIT
(Q103,Q104)
USD PRIVING
CIRCUIT
(Q105~108)
SPEAKER
SP-PHONE
(IC3)
MIC
HEADSET
RINGER
LCD Module
LCD
KEY
LED
KX-T7730X MAIN BOARD
HANDSET