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5
KX-T7730CA
4 Technical Descriptions
4.1.
Block Diagram
USD PRIVING
CIRCUIT
(Q105~108)
H
L
T
R
T2
POWER
REGULATOR
(IC7)
SIGNAL
TRANSMITTING
CIRCUIT(Q101)
SIGNAL
RECEIVING
CIRCUIT(Q102)
FF
(IC2)
RESET IC
(IC9)
Vcc
CPU
(IC1)
X1
DRIVING
CIRCUIT
(Q103,Q104)
LED
LCD
KEY
LCD Module
RINGER
DTMF
SPEAKER
MIC
HEADSET
HANDSET
SP-PHONE
(IC3)
Handset Amp
(Q5,Q8)
Pre Amp
(Q4)
HYBRID
CIRCUIT
(Q3)
DIODE
BRIDGE
(D1)
DIODE
BRIDGE
(D2)
T1
KX-T7730CA
MAIN BOARD
Содержание KX-T7730CA
Страница 12: ...12 KX T7730CA ...
Страница 13: ...13 KX T7730CA 5 Location of Controls and Components ...
Страница 15: ...15 KX T7730CA 7 Troubleshooting Guide 7 1 No Operation ...
Страница 16: ...16 KX T7730CA 7 2 Handset Trouble ...
Страница 17: ...17 KX T7730CA 7 3 Speaker Phone Trouble 7 4 TONE Dial Trouble ...
Страница 21: ...21 KX T7730CA 9 Miscellaneous 9 1 Terminal Guide of ICs Transistors and Diodes ...
Страница 23: ...23 KX T7730CA 9 3 Memo ...
Страница 30: ...30 KX T7730CA 13 2 Cabinet and Electrical Parts Location ...
Страница 31: ...31 KX T7730CA 13 3 Accessories and Packing Materials ...