8 TROUBLESHOOTING BY SYMPTOM (BASE UNIT AND
CHARGER 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 Acoustic
level 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
Adjustment
Point
Procedure
Check or
Replace Parts
(
A
)
2.65V Supply
Confirmation
-
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 Supply
Confirmation
-
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 Status
Confirmation
-
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, C33
23
KX-TG1105RUS / KX-TG1105R UT / KX-TG1106R US / KX-TG1106R UT / KX-TGA110RUS / KX-TGA110RUT
