Panasonic EASA-PHONE KX-T2355 Service Manual And Technical Manual page 18
Telephone equipment
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Also See for EASA-PHONE KX-T2355:
- Operating instructions manual (12 pages) ,
- Operating instructions manual (15 pages) ,
- Operating instructions manual (16 pages)
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5. NO "RINGING" SOUND WHEN A RING SIGNAL IS INPUT
Call the unit from
another telephone.
Does a sine wave of
approximately 60 V
or more appear
across Tip and
Ring?
Check the telephone
line and the
telephone fine cord..
| YES
output signal appear
across Pins 5 and 8
of 103?
R4, C3 and C4.
YES
Does the ringer tone
output signal appear
at the ceramic
buzzer (CF2)
terminal?
Check the
connector, plus the |
cable of the printed
circuit board.
YES
Check the ceramic
buzzer (CF2).
CONNECTION
DC Jack
(For the optional AC
KX-AO9 or KX-A10)
Adaptor
Modular Jack
a
|
for single line
Single telephone
Hi
4
@ (RJ11C)
aul"
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