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10
KX-T7730CA
4.2.5.
Handset Circuit
1.
Transmission Signal Path
The input signal for the handset microphone is sent through the telephone line via the following path:
Handset MIC(JK2)
→
JK3
→
C24
→
R26
→
C34
→
Q5
→
C21
→
R21
→
Q3
→
C4
→
T1
→
C3
→
Q1
→
D1
→
Telephone
Line
2.
Reception Signal Path
The input signal from the telephone line is sent to the receiver through the following path:
Telephone Line
→
D1
→
Q1
→
C3
→
T1
→
C4
→
Q3
→
R10
→
C8
→
R12
→
Q4
→
C26
→
R32
→
IC10
→
C32
→
R34
→
C27
→
R208
→
Q8
→
C31
→
JK3
→
JK2
→
Handset Speaker
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 ...