Troubleshooting By Symptom (Base Unit And Charger Unit); Check Point (Base Unit) - Panasonic KX-TCA181RUT Service Manual

KX-TCD815RUS / KX-TCD815RUT / KX-TCA181RUS / KX-TCA181RUT
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.26)
8.1.

Check Point (Base Unit)

Please follow the items below when BBIC or EEPROM is replaced.
Note:
After the measuring, sock up the solder of TP.
*: PC Setting (P.39) is required beforehand.
The connections of simulator equipments are as shown in Adjustment Standard (Base Unit) (P.32).
Items
(A) 3.3V Supply
Confirmation
(B) 2.5V Supply
Confirmation
(C)* 1.8V Supply
Confirmation
(D)* BBIC Confirmation
(E)* EEP-ROM Confirmation
Check
Point
VDD3 1. Confirm that the voltage between test point VDD3 and GND is 3.3V ± 0.2V.
VDD2 1. Confirm that the voltage between test point VDD2 and GND is 2.5V ± 0.2V.
VDD1 1. Confirm that the voltage between test point VDD1 and GND is 1.8V ± 0.1V.
- 1. BBIC Confirmation (Execute the command "getchk").
2. Confirm the returned checksum value.
Connection of checksum value and program number is shown below.
- 1. EEP-ROM Confirmation (Execute the command "ChkTCD800XXrevYY.bat").
XX: country code
YY: revision number
2. Confirm the returned checksum value.
3. The checksum is displayed in the last output line.
Note:
"XX", "YY", and "checksum" vary depending on the country version. You can
find them in the batch file, PQZZ- mentioned in JIG and PC (P.30).
Procedure
26
Check or
Replace Parts
D1, IC1, C1,
C9, C114, C3,
C8, C2, R8, R9
Q2, C5, C7
Q3, C11, D20,
R161, L15, C4,
C37, C39, C44,
C45
IC8, X1, C42,
C43, R40, C28,
R84~R88, R64,
R55~R57
IC3, C53, R56,
R57