KX-NT400RU - Panasonic PBX Service Manual (repair manual). Page 26

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26
KX-NT400RU
Table-1 : PORT OUTPUT(IC1) AT ERROR
The error result is outputted to a port of IC1 at error. Check the Test Point ST3-6.
See below for the output contents.
Table : PORT OUTPUT AT ERROR
Remarks: 0 = 0V, 1 = 3.3V
Handling (A) : Check the soldering. Resolder or replace parts as needed.
Handling (B) : Check the soldering. Resolder parts or replace the PCB1 assembly as needed.
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