Read Panasonic KX-TCD961GB Service Manual online
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KX-TCD961GB
HANDSET: DOES NOT CHARGE.
Check the charging pins for dirt and a
defective contact.
defective contact.
Check for a defective contact between
the charging pins and handset PCB,
and between the battery terminals and
handset PCB.
the charging pins and handset PCB,
and between the battery terminals and
handset PCB.
Check L1, L2, D1, D2, D3, D4, T1, D7,
F1 and the surrounding area.
F1 and the surrounding area.
Check for a defective contact between
the batteries and handset.
the batteries and handset.
NO VOICE RECEPTION.
Yes
No
No
Yes
No
No
Check T8 and the surrounding
area of the base unit.
area of the base unit.
Check jumpers JMP5, JMP8,
L3, D8 and the surrounding
area on the base unit.
L3, D8 and the surrounding
area on the base unit.
Do waveforms
appear at IC101
pin 58?
appear at IC101
pin 58?
Do signal waveforms appear at
the TP50 on the base unit?
the TP50 on the base unit?
Do waveforms appear at the
TP123 (TxAF) in the base unit?
TP123 (TxAF) in the base unit?
Supply a signal tone from the
base unit line simulator.
base unit line simulator.
(Judged to be some form
of problem in the base unit.)
of problem in the base unit.)
Check IC1 and the surrounding
area on the handset.
area on the handset.
Check whether the SP cord on
the handset is broken.
the handset is broken.
(Judged to be some form of
problem in the handset.)
problem in the handset.)
Yes
No
Check if data
appears at IC101
pin 22 (Tx-DATA) ?
appears at IC101
pin 22 (Tx-DATA) ?
Check C111, R110
and the surrounding
area.
and the surrounding
area.
Check IC1 and the
surrounding area.
surrounding area.
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