34
KX-TG6611CXB/KX-TG6611CXS/KX-TG6612CXB/KX-TG6612CXS/KX-TGA661CXB/KX-TGA661CXS
9.1.8.
Bell Reception
9.1.8.1.
Base Unit
9.1.8.2.
Handset
Cross Reference:
How to Check the Handset Speaker or Receiver
Check around C54, C55, R36, R37.
When bell signal is coming, is there bell sound
signal at BBIC (IC7: 17,19)?
NO
YES
When bell signal is coming, is there bell sound
signal at BBIC (IC7: 14)?
Check around C3, C4, C5, C6, R3, R4, R5, R6,
C136, C137, R32, R33, R34, R35, C52, C53,
P1, C168, C42, C43,R42,R43
NO
Does the bell sound from SPEAKER?
Check around SP+, SP- .
When bell signal coming, is there bell sound signal
at BBIC (IC1: 34, 36)?
NO
NO
YES
When bell signal coming, is there bell sound signal
at SP+, SP- ?
YES
Check BBIC (IC1), C78, C79, C73, C72, D13,
D14 , C77, C76, R77, R76.
NO
Check cable of SPEAKER and resistance value
of SPEAKER.
