Panasonic KX-TGF350N Service Manual page 38

KX-TGF350N/KX-TGF352N/KX-TGF353N/KX-TG572SK/KX-TGF380M/KX-TGF382M/KX-TGF383M/KX-TGFA30N/KX-TGFA30M
10.1.5.2. Handset
Does Handset link with Base Unit?
(Properly working unit)
NO
Is the voltage of TP VBAT about 2.2~2.8 V?
YES
Is the voltage of TP VDDC about 1.2 V?
YES
Is the voltage of TP 3.0 V about 3.0 V?
YES
Does the RF clock (CLK) oscillate: 13.824 MHz
in Handset Test Mode?
YES
Check the RF part
Cross Reference:
Power Supply Circuit/Reset Circuit (P.22)
Check the RF part (P.39)
Note:
Refer to Things to Do after Replacing X'tal (P.58)(P.67) for Handset.
*1 How to adjust the frequency of X1.
YES
Handset is OK. Check Base Unit.
NO
Check the batteries.
NO
Check around Power Supply Circuit/Reset Circuit.
NO
Check around X1 and RF module and adjust
clock frequency.
38
*1