Read Panasonic KX-T7735RU-B (serv.man2) Service Manual Supplement online
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KX-T7735RU-B
1.7.5.
HANDSET CIRCUIT
Change from the Original Service Manual Section 8.5.
1) Transmission Signal Path
The input signal for the handset microphone is sent through the telephone line via the following path:
Handset MIC(JK2)
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
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
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