26
KX-TG6611RU/KX-TG6611UA/KX-TG6611CA/KX-TG6612CA/KX-TGA661RU
9.1.3.
Check Link
9.1.3.1.
Base Unit
Note:
(*1) Refer to
Troubleshooting by Symptom (Base Unit and Charger Unit)
(P.35)
Cross Reference:
Check Point (Base Unit)
(P.35)
Power Supply Circuit
(P.9)
Check around
Power Supply Circuit
.
Adjust VDD1 voltage to 1.8 V.
Refer to
Check Point...(B)
.
Does Base Unit make link with normal working
Handset?
Check around X1 and adjust clock frequency.
Refer to
Check Point...(G)
.
NO
NO
NO (*1)
NO
YES
YES
YES
YES
YES
NO
NO
NO
Replace with a new Circuit Board.
Is the modulation OK?
Refer to
Check Point...(K)
.
Is the voltage of VDD3 about 2.85 V?
Refer to
Check Point...(A)
.
Is there CMD60 (: DECT Tester)?
Does the RF clock (CLK) oscillate at 10.368 MHz in
Base Unit Test Mode?
Refer to
Check Point...(G)
.
Is the voltage of VDD1 about 1.8 V?
YES
Is the NTP value OK?
Refer to
Check Point...(J)
.
Does Base Unit make link with CMD60 in Base Unit
Test Mode?
Refer to
Check Point...(J)
.
NO
YES
Base Unit is OK. Check Handset.
YES
YES
Is the Frequency Offset OK?
Refer to
Check Point...(L)
.
NO
OK