Check Link - Panasonic KX-TG9581B Service Manual

9.1.3.

Check Link

9.1.3.1. Base Unit
Does Base Unit make link with normal working
Portable?
Is the voltage of VBAT about 2.6 V?
Refer to Check Point...(A).
Is the voltage of VDD2 about 3.0 V?
Refer to Check Point...(B).
Is the voltage of VDD1 about 1.8 V?
Refer to Check Point...(C).
Is the voltage of VDD3 about 3.0 V?
Does the RF clock (CLK) oscillate at 10.368 MHz in
Base Unit Test Mode?
Refer to Check Point...(H).
Is there CMD60 (: DECT Tester)?
Does Base Unit make link with CMD60 in
Base Unit Test Mode?
Refer to Check Point...(K).
Is the NTP value OK?
Refer to Check Point...(K).
Is the RSSI level OK?
Refer to Check Point...(L).
Cross Reference:
Power Supply Circuit (P.10)
Check Point (Base Unit) (P.43)
Note:
(*1) Refer to Troubleshooting by Symptom (Base Unit and Charger Unit) (P.43).
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
Base Unit is OK. Check Portable.
Check each check point.
NO
OK
NO
Check check point D.
Check around X601 and RF module and adjust
NO
clock frequency.
Refer to Check Point...(H).
NO (*1)
Replace with a new Circuit Board.
NO
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KX-TG9581B/KX-TG9582B/KX-TGA950B