39
KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20
9.1.12. Bell Reception
9.1.12.1. Base Unit
*1 TGC220 only
9.1.12.2. Handset
Cross Reference:
How to Check the Handset Speaker or Receiver
9.1.13. Check TAM Operation (for KX-TGC220 only)
Note:
(*1) When replacing FLASH MEMORY (IC601), TAM data need to be written to it. Refer to
Base Unit
When bell signal is coming, is there bell sound
signal at BBIC (IC501:CIDINp, CIDINn)?
NO
Check around IC501 (VDD_PA), C506, C472, C47
3
,
C477, C478, R477, R478
YES
Check around C10
3
, C104, C105, C106, C107,
C109, C110, C111, C11
3
, R101, R102, R10
3
, R104,
R109, R110, R111, R112, P101
NO
When bell signal is coming, is there bell sound
signal at IC501 (SPP, SPN)?
*1
Does the bell sound from SPEAKER?
Check around SP+, SP- .
When bell signal coming, is there bell sound signal
at BBIC (IC1:
3
5,
3
7)?
NO
NO
YES
When bell signal coming, is there bell sound signal
at SP+, SP- ?
YES
Check BBIC (IC1), C78, C79, R77, R76.
NO
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
Is the voltage of VDD
3
of Base Unit about
3
.0 V
and VDD1 about 1.8 V, VDD4 about
3
.0 V,
VDD5 about
3
.0 V?
YES
Summary of Contents for KX-TGCA20EX
Page 66: ...66 KX TGC210 KX TGC212 KX TGC213 KX TGC220 KX TGC222 KX TGCA20 Memo ...
Page 73: ...73 KX TGC210 KX TGC212 KX TGC213 KX TGC220 KX TGC222 KX TGCA20 Memo ...
Page 76: ...76 KX TGC210 KX TGC212 KX TGC213 KX TGC220 KX TGC222 KX TGCA20 Memo ...
Page 80: ...80 KX TGC210 KX TGC212 KX TGC213 KX TGC220 KX TGC222 KX TGCA20 Memo ...