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KX-MB2061CXB/KX-MB2061CX2/KX-MB2062CXB
12.3.16.7. Bell Reception (Cordless Handset)
Cross Reference:
Check Link (Cordless Handset) (P.200)
How to Check the Cordless Handset Speaker or Receiver (P.280)
12.3.17. Troubleshooting by Symptom (Cordless Handset)
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 (Cordless Handset) (P.202)
12.3.17.1. Check Point (Cordless Handset)
Please follow the items below when BBIC or EEPROM is replaced.
Note:
After the measuring, suck up the solder of TP.
*: PC Setting (P.275) is required beforehand.
The connections of simulator equipments are as shown in Adjustment Standard (Cordless Handset) (P.277).
Items
(A)* 1.8 V Supply Adjustment
(B)*
BBIC Confirmation
(C)* EEP-ROM Confirmation
Check
Point
VDD1
1. Confirm that the voltage between test point VDD1 and GND is 1.8 V ± 0.02 V.
2. Execute the command "VDD", then check the current value.
3. Adjust the 1.8V voltage of VDD1 executing command "VDD XX"(XX is the
value).
-
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 "sendchar EPV").
2. Confirm the returned Value (Value for reference is written at "EEPROM C/
SUM" in Software_Version_Table.xls).
Procedure
202
Check or
Replace Parts
IC1, Q2, C48,
D1, C1, C44,
R12, R45,
C40, C45, F1
IC1, X1, RA61,
R64, R66
IC1, IC3,
R40~R42,
C172
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Troubleshooting
