40
KX-TG6561BXT/KX-TGA651BXT
9.1.12. Bell Reception
9.1.12.1. Base Unit
9.1.12.2. Handset
Cross Reference:
How to Check the Handset Speaker or Receiver
9.1.13. Check TAM Operation
Cross Reference:
Power Supply Circuit/Reset Circuit
Note:
(*1) When replacing FLASH MEMORY (IC421), TAM data need to be written to it. Refer to
Base Unit
of
When bell signal is coming, is there bell sound
signal at BBIC (IC501: 59)?
NO
YES
NO
When bell signal is coming, is there bell sound
signal at IC501 (29, 31)?
Check around L474, L475.
Check around R111, R112, R113, R114, Q111,
D113, C111, C112,
Does the bell sound from SPEAKER?
Check around SP+, SP- .
When bell signal coming, is there bell sound signal
at BBIC (IC1: 31, 29)?
NO
NO
YES
When bell signal coming, is there bell sound signal
at SP+, SP- ?
YES
Check cable of SPEAKER and resistance value
of SPEAKER.
Check IC601 and BBIC (IC501) of Base Unit. (*1)
Is there a TAM icon on the Handset display?
Turn on the Answering System.
Check
Power Supply Circuit
.
NO
NO
YES
Содержание KX-TG6561BXT
Страница 73: ...73 KX TG6561BXT KX TGA651BXT Memo ...
Страница 76: ...76 KX TG6561BXT KX TGA651BXT Memo ...
Страница 85: ...85 KX TG6561BXT KX TGA651BXT 15 3 Accessories A1 A2 ...
Страница 90: ...90 KX TG6561BXT KX TGA651BXT RAD KXTG6561BXT KXTGA651BXT ...