Read Panasonic KX-T7730UA (serv.man3) Service Manual Supplement online
12
KX-T7730UA
1.5.3.
DATA COMMUNICATION CIRCUIT
Change from the Original Service Manual Section 9.3.
1) Reception
The data from the PBX is received via the H and L lines along the path shown below.
1) Reception
The data from the PBX is received via the H and L lines along the path shown below.
H, L Line
→ D2 → T2 → R106 → Q102 → IC9 → IC1 Pin 19
2) Transmission
The data to the proprietary telephone is transmitted along the following path.
The data to the proprietary telephone is transmitted along the following path.
IC1 Pin 16
→ Q101 → T2 → D2 → H, L Line
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