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KX-TG9581B/KX-TG9582B/KX-TGA950B
9.1.3.
Check Link
9.1.3.1.
Base Unit
Cross Reference:
Power Supply Circuit
Note:
Troubleshooting by Symptom (Base Unit and Charger Unit)
Does Base Unit make link with normal working
Portable?
Check around X601 and RF module and adjust
clock frequency.
Refer to
Check Point...(H)
.
NO
NO
NO (*1)
YES
YES
YES
YES
YES
NO
Replace with a new Circuit Board.
Is the voltage of VDD2 about
3
.0 V?
Refer to
Check Point...(B)
.
Is the voltage of VBAT about 2.6 V?
Refer to
Check Point...(A)
.
Is there CMD60 (: DECT Tester)?
Does the RF clock (CLK) oscillate at 10.
3
68 MHz in
Base Unit Test Mode?
Refer to
Check Point...(H)
.
NO
Is the voltage of VDD1 about 1.8 V?
Refer to
Check Point...(C)
.
Check each check point.
YES
Is the voltage of VDD
3
about
3
.0 V?
YES
Is the NTP value OK?
Refer to
Check Point...(K)
.
Does Base Unit make link with CMD60 in
Base Unit Test Mode?
Refer to
Check Point...(K)
.
YES
Base Unit is OK. Check Portable.
Check check point D.
NO
OK
Is the RSSI level OK?
Refer to
Check Point...(L)
.
YES