Read Panasonic KX-TU301RUME Service Manual online
19
KX-TU301RUME
8.1.10. Bell Reception
8.1.10.1. Handset
Cross Reference:
GMS Module (P.9)
How to Check the Handset Speaker or Receiver (P.30)
How to Check the Handset Speaker or Receiver (P.30)
Does the bell sound from SPEAKER?
Check around SP+, SP-
When bell signal coming, is there bell sound signal
at SP+(testpoint), SP-(testpoint)?
at SP+(testpoint), SP-(testpoint)?
NO
YES
Check around MODULE (MOD1)
NO
Check cable of SPEAKER and resistance value
of SPEAKER
of SPEAKER
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