Panasonic KX-FP105RS Service Manual page 14

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Table of Contents

KX-FP105RS

1. Defective ITS (Integrated Telephone System) Section

a. No handset and monitor

Perform a signal test in the ITS or the NCU section and locate a defective point (where the signal disappears) on each

route between the handset microphone and telephone line (sending), or between the telephone line and the handset

speaker (receiving), or between the telephone line and the speaker (monitor). Check the components at that point. "CHECK

SHEET" in 2.3.3.5. Analog Board Section is useful for this investigation.

b. No pulse dialing

c. No ring tone (or No bell)

d. No tone dialing

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