8 TROUBLESHOOTING BY SYMPTOM (BASE UNIT ANDCHARGER UNIT)If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester(*1) or not.Note:(*1) A general repair is possible even if you don’t have the DECT tester because it is for confirming the levels, such as Acousticlevel in detail.(*2) Refer to Check Point (Base Unit) (P.23)8.1. Check Point (Base Unit)Please follow the items below when BBIC or EEPROM is replaced.Note:After the measuring, suck up the solder of TP.*: PC Setting (P.28) is required beforehand.The connections of simulator equipments are as shown in Adjustment Standard (Base Unit) (P.30).Items AdjustmentPointProcedure Check orReplace Parts(A) 2.65V SupplyConfirmation- 1. Confirm that the voltage between TP187 and GND is 2.65V ± 0.2V. IC2, Q8, C23,C24, C25,C31, C26,C27, C38,R33, R36, D5,C41, R41,R42, Q9, C40,D4, X1, C32,C33, C36, C37(B) 4.0V SupplyConfirmation- 1. Confirm that the voltage between TP91 and GND is 4.0V ± 0.2V. D4, C40, Q9,R41, R42,C41, D5, C75,C78, C69,C66, C67,C76, IC3(C) VBACK StatusConfirmation- 1. Confirm that the voltage between J102 and GND is 0V ± 0.4V. IC2, Q8, C23,C24, C25,C31, C26,C27, C38,R33, R36, D5,C41, R41,R42, Q9, C40,D4, R33, X1,C32, C3323KX-TG1105RUS / KX-TG1105RUT / KX-TG1106RUS / KX-TG1106RUT / KX-TGA110RUS / KX-TGA110RUT