Check Link - Panasonic KX-TGD320ALB Service Manual

9.1.5.

Check Link

9.1.5.1. Base Unit
Does Base Unit make link with normal working
Handset?
NO
Is the voltage of VBAT about 3.0 V?
YES
Is the voltage of VDDC about 1.2 V?
YES
Is the voltage of +3.0V about 3.0 V?
YES
Does the RF clock (CKM) oscillate at 13.824 MHz in
Base Unit Test Mode?
YES
Check the RF part
Cross Reference:
Power Supply Circuit/Reset Circuit (P.11)
Check the RF part (P.33)
Note:
(*1) Refer to Base Unit (Main) (P.77).
(*2) Refer to Check Point (Base Unit) (B) (P.40).
(*3) Refer to Check Point (Base Unit) (E) (P.40).
YES
NO
(*1)
NO
(*1)
NO
(*1)
NO
31
KX-TGD320ALB/KX-TGD322ALB/KX-TGD323ALB/KX-TGDA30AZB
Base Unit is OK. Check Handset.
Check around Power Supply Circuit.
Adjust +3.0V voltage to 3.0 V.
OK
Check around X501 and RF module and adjust
(*3)
clock frequency.
(*2)