Read Panasonic KX-TG5511CAB / KX-TG5511CAJ / KX-TGA550RUB / KX-TGA550RUJ / KX-TGA551RUB / KX-TGA551RUJ (serv.man2) Service Manual online
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KX-TG5511CA/KX-TGA550RU/KX-TGA551RU
9.1.8.
Bell Reception
9.1.8.1.
Base Unit
9.1.8.2.
Handset
Cross Reference:
Telephone Line Interface (P.11)
Check Link (P.27)
How to Check the Handset Speaker or Receiver (P.58)
Check Link (P.27)
How to Check the Handset Speaker or Receiver (P.58)
Check around C54, C55, R36, R37.
When bell signal is coming, is there bell sound
signal at BBIC (IC7: 20, 21)?
signal at BBIC (IC7: 20, 21)?
NO
YES
When bell signal is coming, is there bell sound
signal at BBIC (IC7: 24)?
signal at BBIC (IC7: 24)?
Check around C3, C4, C5, C6, R3, R4, R5, R6,
C136, C137, R32, R33, R34, R35, C52, C53,
L1, L2, C168, C42, C43,R42,R43
C136, C137, R32, R33, R34, R35, C52, C53,
L1, L2, 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: 33, 35)?
at BBIC (IC1: 33, 35)?
NO
NO
YES
When bell signal coming, is there bell sound signal
at SP+, SP- ?
at SP+, SP- ?
YES
Check BBIC (IC1), C78, C79, C73, C72, D13,
D14, R208, R209
D14, R208, R209
NO
Check cable of SPEAKER and resistance value
of SPEAKER.
of SPEAKER.
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