KX-TCD951GB, KX-TCD955GC - Panasonic Telephone Service Manual (repair manual). Page 53

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53
KX-TCD951GB/KX-TCD955GC
CALLER ID PROBLEMS (KX-TCD955GC ONLY)
Did bell ring?
(Inuse LED blinks)
Does bell signal 
appear at IC101 
pin 34? 
NO
YES
Input CLIP Signal with Bell 
(on hook/CLIP spec-ETS30 659-1).
Check IC2 and the surrounding area.
Check the soldering IC101.
Check the soldering IC101.
NO
YES
Did the Caller ID 
LED blinks?
Does Caller ID 
Signal appear at IC101 
pin 55?
NO
YES
Check IC3 and the surrounding area.
NO
YES
Does the LCD 
display telephone 
number?
NO
YES
No problem.
Check around the IC101 and portable handset.
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