Panasonic KX-TGD320ALB Service Manual page 32

KX-TGD320ALB/KX-TGD322ALB/KX-TGD323ALB/KZ-TGDA30AZB
9.1.5.2. Handset
Does Handset make link with Base Unit?
(Correct working unit)
NO
Is the voltage of "1.8V" about 1.8 V?
YES
Is the voltage of CP3V about 3.0 V?
YES
Is the voltage of CP4V about 4.0V?
(When LED is ON)
YES
Does the RF clock (CKM) oscillate : 10.368 MHz
in Handset 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 Handset (Main) (P.81).
(*2) Refer to Check Point (Handset) (H) (P.42).
YES
NO
(*1)
NO
(*1)
NO
(*1)
NO
32
Handset is OK. Check Base Unit.
Adjust 1.8V voltage to 1.8 V.
OK
Check around Power Supply Circuit/Reset Circuit .
Check BBIC (IC1)
Check around X1 and adjust clock frequency.
NO
(*2)