Panasonic KX-FP 155 fax machine lost dialing tone

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Arjun C Chevli
Panasonic KX-FP 155 fax machine lost dialing tone

Panasonic fax machine Model KX-FP 155 lost dialing tone and when I tried to copy a document it does not print and instead print out two vertical black wide bands. Can any member of the forum tell me what component of the main PCB where line is connected is faulty please. I have checked on the PCB the line voltage of 50.2 volts DC.

 

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