Read Panasonic KX-TCD961GB Service Manual online
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KX-TCD961GB
NO VOICE TRANSMISSION.
No
No
Check jumpers JMP1, JMP9,
L3, D8 and the surrounding
area in the base unit.
L3, D8 and the surrounding
area in the base unit.
Check T8 and the surrounding
area of the base unit.
area of the base unit.
Do signal waveforms appear at
TP50 of the base unit?
TP50 of the base unit?
Check IC101 and the
surrounding area.
surrounding area.
Check the soldering of
IC101, RFM1 and
the surrounding area.
IC101, RFM1 and
the surrounding area.
Check T13 and the surrounding
area of the base unit.
area of the base unit.
Do signal waveforms appear at
the T13 emitter of the base unit?
the T13 emitter of the base unit?
(Judged to be some kind
of problem in the base unit.)
of problem in the base unit.)
Does data appear at IC101
pin 20? (Rx-DATA)
pin 20? (Rx-DATA)
Do waveforms appear at IC101
pin 63 of the base unit? (RxAF)
pin 63 of the base unit? (RxAF)
Check IC2 pin 60, 61, 63, 64
and the surrounding area.
and the surrounding area.
Supply 5 mV signals to the microphone
of the handset, and set to the
communication mode.
of the handset, and set to the
communication mode.
Check the microphone and
surrounding area on the
handset.
surrounding area on the
handset.
(Judged to be some kind of
problem in the handset.)
problem in the handset.)
Yes
Yes
Yes
Yes
No
No
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