Bell Reception - Panasonic KX-TG6611RUB Service Manual

KX-TG6611RU/KX-TG6611UA/KX-TG6611CA/KX-TG6612CA/KX-TGA661RU
9.1.8.

Bell Reception

9.1.8.1. Base Unit
When bell signal is coming, is there bell sound
signal at BBIC (IC7: 17,19)?
YES
When bell signal is coming, is there bell sound
signal at BBIC (IC7: 14)?
9.1.8.2. Handset
When bell signal coming, is there bell sound signal
at BBIC (IC1: 34, 36)?
YES
When bell signal coming, is there bell sound signal
at SP+, SP- ?
YES
Does the bell sound from SPEAKER?
Cross Reference:
Telephone Line Interface (P.10)
Check Link (P.26)
How to Check the Handset Speaker or Receiver (P.57)
Check around C3, C4, C5, C6, R3, R4, R5, R6,
NO
C136, C137, R32, R33, R34, R35, C52, C53,
P1, C168, C42, C43,R42,R43
NO
Check around C54, C55, R36, R37.
NO
Check BBIC (IC1), C78, C79, C73, C72, D13,
D14 , C77, C76, R77, R76.
NO
Check around SP+, SP- .
NO
Check cable of SPEAKER and resistance value
of SPEAKER.
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